.clockface-container{flex-wrap:wrap;justify-content:center;align-items:flex-start;gap:20px;margin:8px 0 20px;display:flex}.clockface-single{flex-direction:column;align-items:center;gap:6px;display:flex}.clockface-label{font-family:var(--font-display,"Fraunces", serif);color:var(--ink);letter-spacing:.02em;font-size:.95rem;font-weight:600}.clockface-svg{filter:drop-shadow(0 3px 8px #1f243714);display:block}.coin-burst-overlay{z-index:9998;pointer-events:auto;background:radial-gradient(55% 55%,#fde0472e 0%,#fbbf2414 50%,#0000001a 100%);animation:.25s forwards overlayFadeIn;position:fixed;inset:0}@keyframes overlayFadeIn{0%{opacity:0}to{opacity:1}}.coin-burst-glow{pointer-events:none;z-index:9999;background:radial-gradient(circle,#fde047bf 0%,#fbbf2473 35%,#f59e0b2e 65%,#0000 100%);border-radius:50%;width:200px;height:200px;animation:1.6s forwards glowPulse;position:fixed;transform:translate(-50%,-50%)}@keyframes glowPulse{0%{opacity:0;transform:translate(-50%,-50%)scale(.3)}20%{opacity:1;transform:translate(-50%,-50%)scale(1.1)}55%{opacity:.85;transform:translate(-50%,-50%)scale(1.4)}to{opacity:0;transform:translate(-50%,-50%)scale(2)}}.coin-burst-count-flash{font-size:36px;font-weight:900;font-family:var(--font,"Nunito", sans-serif);color:#f59e0b;text-shadow:0 0 16px #fde047f2,0 0 32px #fbbf2499,0 2px 4px #0000004d;pointer-events:none;z-index:calc(var(--z-ceremony) + 1);white-space:nowrap;animation:1.1s cubic-bezier(.175,.885,.32,1.275) forwards countFlash;position:fixed;transform:translate(-50%,-50%)}@keyframes countFlash{0%{opacity:0;transform:translate(-50%,-50%)scale(.4)rotate(-8deg)}18%{opacity:1;transform:translate(-50%,-50%)scale(1.25)rotate(3deg)}40%{opacity:1;transform:translate(-50%,-50%)scale(1.1)rotate(-1deg)}70%{opacity:.9;transform:translate(-50%,-50%)scale(1.05)rotate(0)}to{opacity:0;transform:translate(-50%,-50%)scale(.8)rotate(0)}}.coin-burst-sparkle{pointer-events:none;z-index:var(--z-ceremony);animation:1.5s forwards sparklePop;animation-delay:var(--delay,0s);opacity:0;color:#fbbf24;text-shadow:0 0 6px #fde047e6,0 0 12px #fbbf2499;position:fixed;transform:translate(-50%,-50%)}@keyframes sparklePop{0%{opacity:0;transform:translate(-50%,-50%)scale(.1)rotate(0)}25%{opacity:1;transform:translate(-50%,-50%)scale(1.3)rotate(45deg)}60%{opacity:.8;transform:translate(-50%,-50%)scale(1)rotate(90deg)}to{opacity:0;transform:translate(-50%,-50%)scale(.3)rotate(180deg)}}.coin-burst-particle{pointer-events:none;z-index:var(--z-ceremony);opacity:0;will-change:transform, opacity;animation:.85s cubic-bezier(.34,1.56,.64,1) forwards coinMaterialize;animation-delay:var(--delay,0s);filter:drop-shadow(0 0 6px #fde047d9);font-size:28px;line-height:1;position:fixed;transform:translate(-50%,-50%)}.coin-burst-particle--fly{animation:1.45s cubic-bezier(.55,0,1,.45) forwards coinFlyToPurse!important;animation-delay:var(--delay,0s)!important}@keyframes coinMaterialize{0%{opacity:0;filter:drop-shadow(0 0 20px #fde047)brightness(3);transform:translate(-50%,-50%)scale(.05)rotate(0)}30%{transform:translate(-50%, -50%) scale(1.6) rotate(calc(var(--spin,180deg) * .15));opacity:1;filter:drop-shadow(0 0 10px #fde047e6)brightness(1.9)}60%{transform:translate(calc(-50% + var(--bx)), calc(-50% + var(--by))) scale(1.3) rotate(calc(var(--spin,180deg) * .3));opacity:1;filter:drop-shadow(0 0 7px #fde047b3)brightness(1.4)}to{transform:translate(calc(-50% + var(--bx)), calc(-50% + var(--by))) scale(1.2) rotate(calc(var(--spin,180deg) * .4));opacity:1;filter:drop-shadow(0 0 5px #fde04780)brightness(1.2)}}@keyframes coinFlyToPurse{0%{transform:translate(calc(-50% + var(--bx)), calc(-50% + var(--by))) scale(1.2) rotate(calc(var(--spin,180deg) * .4));opacity:1;filter:drop-shadow(0 0 5px #fde04780)brightness(1.2)}30%{transform:translate(calc(-50% + var(--bx) * .3), calc(-50% + var(--by) * .3)) scale(1.35) rotate(calc(var(--spin,180deg) * .6));opacity:1;filter:drop-shadow(0 0 8px #fde047cc)brightness(1.5)}85%{transform:translate(calc(-50% + var(--ex) * .92), calc(-50% + var(--ey) * .92)) scale(.45) rotate(calc(var(--spin,180deg) * .88));opacity:.85;filter:drop-shadow(0 0 12px #fde047)brightness(2)}to{transform:translate(calc(-50% + var(--ex)), calc(-50% + var(--ey))) scale(.15) rotate(var(--spin,180deg));opacity:0;filter:drop-shadow(0 0 20px #fde047)brightness(3)}}.practice-page{min-height:100vh;color:var(--surface);flex-direction:column;display:flex;position:relative;overflow:hidden}.practice-page:before{content:"";pointer-events:none;background:radial-gradient(circle,#f5b33c14 0%,#0000 70%);border-radius:50%;width:400px;height:400px;position:absolute;top:-100px;right:-100px}.practice-page:after{content:"";pointer-events:none;background:radial-gradient(circle,#fffdf80a 0%,#0000 70%);border-radius:50%;width:350px;height:350px;position:absolute;bottom:-120px;left:-80px}.practice-header{z-index:10;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:14px 18px 6px;display:flex;position:relative}.practice-header-right{flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:8px;display:flex}.practice-back-btn{min-height:var(--tap-min,56px);color:var(--surface);font-size:var(--type-button-secondary);font-weight:700;font-family:var(--font);cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;border:1.5px solid #fff3;border-radius:999px;align-items:center;gap:6px;padding:8px 16px;transition:background .15s;display:flex}.practice-back-btn:hover{background:#ffffff40}.practice-child-badge{color:var(--surface);font-size:var(--type-body);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff26;border:1.5px solid #fff3;border-radius:999px;align-items:center;gap:8px;padding:8px 16px;font-weight:700;display:flex}.practice-child-avatar{font-size:20px;line-height:1}.practice-counter{color:var(--surface);font-size:var(--type-body);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);font-variant-numeric:tabular-nums;background:#ffffff26;border:1.5px solid #fff3;border-radius:999px;align-items:center;gap:4px;padding:8px 16px;font-weight:800;display:flex}.practice-pause-btn{min-height:var(--tap-min,56px);min-width:var(--tap-min,56px);color:var(--surface);font-family:var(--font);font-size:var(--type-body);cursor:pointer;-webkit-backdrop-filter:blur(8px);background:#ffffff26;border:1.5px solid #fff3;border-radius:999px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-weight:800;display:inline-flex}.practice-pause-btn:hover{background:#ffffff3d}.practice-pause-btn:active{transform:scale(.97)}.practice-paused{z-index:10000;-webkit-overflow-scrolling:touch;background:radial-gradient(120% 90% at 50% 55%,#f5b33c1f,#0000 62%),#171325;justify-content:center;align-items:center;padding:24px 16px;animation:.24s fadeIn;display:flex;position:fixed;inset:0;overflow-y:auto}.practice-paused__inner{text-align:center;flex-direction:column;align-items:center;gap:14px;width:100%;max-width:420px;display:flex}.practice-paused .numble__img{filter:none}.practice-paused__title{font-family:var(--font);font-size:var(--type-heading);color:var(--surface);margin:0;font-weight:800}.practice-paused__body{font-family:var(--font);font-size:var(--type-body);color:#ffffffd1;margin:0;line-height:1.5}.practice-paused__clock{background:#ffffff14;border:1.5px solid #ffffff29;border-radius:18px;flex-direction:column;align-items:center;gap:2px;padding:10px 20px;display:flex}.practice-paused__clock-label{font-family:var(--font);font-size:var(--type-eyebrow);color:#ffffffb3;font-weight:700}.practice-paused__clock-time{font-family:var(--font);font-size:var(--type-heading);color:var(--surface);font-variant-numeric:tabular-nums;font-weight:800}.practice-paused__back{min-height:var(--tap-min,56px);background:var(--lantern);min-width:200px;color:var(--violet-deep);font-family:var(--font);font-size:var(--type-body);cursor:pointer;border:none;border-radius:999px;padding:12px 28px;font-weight:800}.practice-paused__back:active{transform:scale(.98)}@media (height<=700px){.practice-paused__inner{gap:10px}}@media (prefers-reduced-motion:reduce){.practice-paused{animation:none}.practice-pause-btn:active,.practice-paused__back:active{transform:none}}.practice-timer-bar{background:#ffffff2e;height:4px;overflow:hidden}.practice-timer-fill{background:linear-gradient(90deg, var(--moss) 0%, var(--lantern) 60%, var(--ember) 100%);height:100%;transition:width .6s linear}.practice-main{z-index:10;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:28px;padding:20px 24px 40px;display:flex;position:relative}.live-score-bar{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff1f;border:1.5px solid #fff3;border-radius:999px;gap:20px;padding:8px 24px;display:flex}.live-score-item{color:var(--surface);font-size:var(--type-body);align-items:center;gap:6px;font-weight:800;display:flex}.live-score-icon{font-size:16px}.problem-card{-webkit-backdrop-filter:blur(22px)saturate(1.7);backdrop-filter:blur(22px)saturate(1.7);width:100%;max-width:520px;color:var(--ink);background:linear-gradient(#ffffffe0,#ffffffa8);border:1px solid #ffffffeb;border-radius:28px;flex-direction:column;gap:24px;padding:32px 28px 28px;animation:.25s scaleIn;display:flex;position:relative;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}.problem-badges-row{justify-content:space-between;align-items:center;gap:10px;display:flex}.problem-stretch-badge{background:linear-gradient(135deg, var(--honey-light) 0%, var(--honey) 100%);border:1.5px solid var(--honey);color:var(--honey-deep);font-family:var(--font-mono);font-size:var(--type-eyebrow);letter-spacing:.1em;text-transform:uppercase;cursor:help;border-radius:999px;flex-shrink:0;align-items:center;gap:6px;padding:4px 12px 4px 4px;font-weight:500;line-height:1;transition:transform .15s,box-shadow .15s;display:inline-flex;position:relative}.problem-stretch-badge:hover{transform:translateY(-1px);box-shadow:0 4px 12px -4px #9c6a1259}.problem-stretch-mole{object-fit:contain;filter:drop-shadow(0 1px 2px #241f3326);width:24px;height:30px;margin-top:-6px;margin-bottom:-6px}.problem-stretch-label{padding-top:1px}.problem-stretch-tooltip{white-space:normal;text-align:left;background:var(--ink);width:220px;color:var(--surface);font-family:var(--font-body);font-size:var(--type-meta);letter-spacing:0;text-transform:none;pointer-events:none;opacity:0;z-index:100;border-radius:8px;padding:10px 12px;font-weight:600;line-height:1.4;transition:opacity .18s,transform .18s;position:absolute;top:calc(100% + 10px);right:0;transform:translateY(-4px);box-shadow:0 4px 16px #0000004d}.problem-stretch-tooltip:after{content:"";border:6px solid #0000;border-bottom-color:var(--ink);position:absolute;bottom:100%;right:14px}.problem-stretch-badge:hover .problem-stretch-tooltip,.problem-stretch-badge:focus-visible .problem-stretch-tooltip{opacity:1;transform:translateY(0)}.problem-library-attribution{background:var(--paper);border:1.5px solid var(--line);cursor:pointer;border-radius:50%;justify-content:center;align-self:center;align-items:center;width:28px;height:28px;margin-top:-8px;padding:0;font-family:inherit;transition:background .15s,transform .12s;display:inline-flex;position:relative}.problem-library-attribution:hover{background:var(--line);transform:scale(1.08)}.problem-library-attribution:active{transform:scale(.95)}.problem-library-link{color:var(--violet);margin-left:4px;font-weight:700}.problem-library-icon{font-size:14px;line-height:1}.problem-library-tooltip{white-space:nowrap;background:var(--ink);color:var(--surface);font-size:var(--type-meta);pointer-events:none;opacity:0;z-index:100;border-radius:8px;padding:6px 10px;font-weight:600;transition:opacity .15s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0000004d}.problem-library-tooltip:after{content:"";border:5px solid #0000;border-top-color:var(--ink);position:absolute;top:100%;left:50%;transform:translate(-50%)}.problem-library-attribution:hover .problem-library-tooltip,.problem-library-attribution:focus-visible .problem-library-tooltip{opacity:1}.lib-source-modal-overlay{-webkit-backdrop-filter:blur(4px);z-index:var(--z-overlay);background:#0f172a8c;justify-content:center;align-items:center;padding:20px;animation:.15s ease-out libSourceFadeIn;display:flex;position:fixed;inset:0}@keyframes libSourceFadeIn{0%{opacity:0}to{opacity:1}}.lib-source-modal{background:var(--surface);border:1px solid #ffffffeb;border-radius:28px;width:100%;max-width:420px;padding:28px 24px 24px;animation:.2s ease-out libSourcePopIn;position:relative;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}@keyframes libSourcePopIn{0%{opacity:0;transform:scale(.94)}to{opacity:1;transform:scale(1)}}.lib-source-close{width:32px;height:32px;color:var(--text-muted);font-size:var(--type-body);cursor:pointer;background:0 0;border:none;border-radius:50%;font-weight:800;transition:background .15s,color .15s;position:absolute;top:12px;right:12px}.lib-source-close:hover{background:var(--surface-2);color:var(--text)}.lib-source-header{align-items:center;gap:12px;margin-bottom:20px;display:flex}.lib-source-emoji{font-size:32px;line-height:1}.lib-source-header h3{font-size:var(--type-body);color:var(--text);margin:0;font-weight:800}.lib-source-loading{justify-content:center;padding:24px 0;display:flex}.lib-source-row{border-top:1px solid var(--border);font-size:var(--type-meta);justify-content:space-between;align-items:baseline;gap:16px;padding:10px 0;display:flex}.lib-source-row:first-of-type{border-top:none;padding-top:0}.lib-source-label{color:var(--text-secondary);font-weight:700;font-size:var(--type-eyebrow);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;flex-shrink:0}.lib-source-value{color:var(--text);text-align:right;word-break:break-word;overflow-wrap:anywhere;font-weight:700}.lib-source-delivered{color:var(--primary);font-weight:700}.lib-source-archived-note{background:var(--honey-light);color:var(--honey-deep);font-size:var(--type-meta);text-align:center;border-radius:16px;margin-top:16px;padding:10px 14px;font-weight:700}.lib-source-missing{color:var(--text-secondary);font-size:var(--type-meta);text-align:center;margin:16px 0}.problem-label{font-size:var(--type-eyebrow);letter-spacing:1.5px;text-transform:uppercase;color:var(--text-muted);font-weight:800}.problem-label-assessment{color:var(--ink);opacity:.85}.problem-question{text-align:center;flex-direction:column;gap:6px;display:flex}.problem-question-line{color:var(--text);letter-spacing:-1px;font-size:clamp(28px,5vw,40px);font-weight:900;line-height:1.2}.problem-question-prose .problem-question-line,.problem-question-prose .problem-question-line.subline{color:var(--text);letter-spacing:-.3px;font-size:clamp(22px,3.2vw,28px);font-weight:800;line-height:1.4}.problem-question-line.subline{color:var(--text);letter-spacing:-.5px;font-size:clamp(22px,4vw,30px);font-weight:800}.problem-question-line.sub{font-size:var(--type-body);color:var(--text-secondary);letter-spacing:0;font-weight:700}.answer-area{flex-direction:column;align-items:center;gap:16px;display:flex}.answer-input{border:3px solid var(--border);border-radius:var(--radius-lg);width:100%;font-size:var(--type-answer);font-weight:900;font-family:var(--font);color:var(--text);text-align:center;background:var(--bg);-moz-appearance:textfield;outline:none;padding:16px 20px;transition:border-color .15s,box-shadow .15s}.answer-input::-webkit-inner-spin-button{-webkit-appearance:none}.answer-input::-webkit-outer-spin-button{-webkit-appearance:none}.answer-input:focus{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow);background:var(--surface)}.answer-input::placeholder{color:var(--text-muted);font-size:var(--type-heading);font-weight:700}.math-chips{justify-content:center;gap:8px;display:none}@media (pointer:coarse){.math-chips{display:flex}}.math-chip{min-width:var(--tap-min,56px);min-height:var(--tap-min,56px);font-family:var(--font);font-size:var(--type-body);color:var(--ink-soft);-webkit-backdrop-filter:blur(18px)saturate(1.4);backdrop-filter:blur(18px)saturate(1.4);box-shadow:none;border-radius:var(--radius);cursor:pointer;background:linear-gradient(#ffffff94,#ffffff61);border:1px solid #ffffffb8;padding:4px 10px;font-weight:600;line-height:1;transition:border-color .1s,background .1s,transform .1s}.math-chip:hover{background:#ffffffd1;border-color:#fff}.math-chip:active{transform:translateY(1px)}.math-chip:focus-visible{outline:3px solid var(--primary-glow);outline-offset:2px}.submit-btn{width:100%;min-height:var(--tap-min,56px);font-size:var(--type-button);padding:16px}.submit-btn:disabled{opacity:1;-webkit-backdrop-filter:blur(18px)saturate(1.6);backdrop-filter:blur(18px)saturate(1.6);color:var(--muted);box-shadow:none;background:linear-gradient(#ffffffb3,#ffffff75);border:1px solid #ffffffe0}.feedback-area{border-radius:var(--radius-lg);text-align:center;flex-direction:column;align-items:center;gap:12px;width:100%;padding:24px;animation:.2s scaleIn;display:flex}.feedback-area.correct,.feedback-area.wrong,.feedback-area.idk{background:radial-gradient(120% 90% at 50% 0%, rgba(var(--violet-rgb), .26), transparent 62%), linear-gradient(180deg, var(--dusk-mid) 0%, var(--dusk-base) 100%);color:var(--surface);border:1px solid #ffffff1a}.answer-moment{justify-content:center;width:100%;padding:8px 0 4px;display:flex;position:relative}.answer-moment__glow{pointer-events:none;background:radial-gradient(circle,#f5b33c59 0%,#f5b33c1f 42%,#0000 70%);border-radius:50%;width:340px;height:340px;animation:3.2s ease-in-out infinite nwGlow;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@media (prefers-reduced-motion:reduce){.answer-moment__glow{animation:none}}.answer-moment--dark{background:radial-gradient(120% 90% at 50% 60%,#f5b33c1a,#0000 62%);border-radius:18px}.answer-moment--dark .answer-moment__glow{display:none}.answer-moment--dark .numble__img{filter:none}.feedback-area .numble{align-items:center}.feedback-area .numble__bubble{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffff1f;border:1.5px solid #ffffff4d;border-radius:20px}.feedback-area .numble__bubble:before,.feedback-area .numble__bubble:after{content:"";pointer-events:none;border-style:solid;width:0;height:0;position:absolute;top:50%}.feedback-area .numble__bubble:before{border-width:8px 10px 8px 0;border-color:#0000 #ffffff4d #0000 #0000;margin-top:-8px;left:-10px}.feedback-area .numble__bubble:after{border-width:7px 9px 7px 0;border-color:#0000 #ffffff1f #0000 #0000;margin-top:-7px;left:-8px}.feedback-area .numble--bubble-left .numble__bubble:before{border-width:8px 0 8px 10px;border-color:#0000 #0000 #0000 #ffffff4d;left:auto;right:-10px}.feedback-area .numble--bubble-left .numble__bubble:after{border-width:7px 0 7px 9px;border-color:#0000 #0000 #0000 #ffffff1f;left:auto;right:-8px}.feedback-area .numble__bubble-text{color:var(--surface);font-size:var(--type-body)}.feedback-sub{font-size:var(--type-body);color:#fffdf8c7;font-weight:600}.feedback-answer{color:var(--lantern);font-weight:900;font-size:var(--type-heading)}.idk-btn{width:auto;min-height:var(--tap-min,56px);color:#241f338c;font-size:var(--type-button-secondary);font-weight:600;font-family:var(--font);cursor:pointer;letter-spacing:.1px;background:0 0;border:1px solid #241f3329;border-radius:999px;align-self:center;padding:10px 20px;transition:background .15s,border-color .15s,color .15s}.idk-btn:hover{color:var(--ink);background:#241f330f;border-color:#241f3352}.idk-confirm-row{gap:8px;width:100%;display:flex}.idk-confirm-row .idk-btn{width:auto;font-size:var(--type-button-secondary);border-width:1.5px;flex:1;font-weight:700}.idk-btn--cancel{color:var(--moss-deep);background:#22c55e1a;border-color:#16a34a73}.idk-btn--cancel:hover{background:#22c55e33;border-color:#16a34ab3}.idk-btn--confirm{color:var(--ink);background:#241f331f;border-color:#241f3373}.hint-anim-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 8px;display:flex}.hint-anim-op{font-family:var(--font);color:var(--ink-soft,#4a4460);padding:0 2px;font-size:20px;font-weight:800}.hint-anim-value{font-family:var(--font);font-variant-numeric:tabular-nums;color:var(--ink);padding:0 4px;font-size:22px;font-weight:800}.feedback-form-note{background:var(--honey-light);width:100%;color:var(--honey-deep);font-family:var(--font);font-size:var(--type-meta);text-align:left;border-radius:16px;margin-top:4px;padding:12px 14px;font-weight:600;line-height:1.45}.concept-card{background:var(--violet-light);border:1.5px solid var(--violet);text-align:left;border-radius:16px;flex-direction:column;gap:10px;width:100%;padding:14px 16px;display:flex}.concept-cc-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.concept-cc-badge{background:var(--ink);color:var(--surface);font-size:var(--type-eyebrow);letter-spacing:.5px;white-space:nowrap;border-radius:999px;flex-shrink:0;padding:3px 8px;font-weight:800}.concept-cc-name{font-size:var(--type-meta);color:var(--violet-deep);font-weight:700;line-height:1.3}.concept-strategy{font-size:var(--type-body);color:var(--violet-deep);letter-spacing:.2px;font-weight:800}.concept-steps{flex-direction:column;gap:6px;display:flex}.concept-step{align-items:flex-start;gap:8px;display:flex}.concept-step-num{background:var(--ink);width:20px;height:20px;color:var(--surface);font-size:var(--type-eyebrow);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:1px;font-weight:800;display:flex}.concept-step-text{font-size:var(--type-body);color:var(--violet-deep);font-weight:600;line-height:1.5}.concept-card--correct{background:var(--moss-light);border-color:var(--moss-mid)}.concept-card--correct .concept-cc-badge{background:var(--moss)}.concept-card--correct .concept-cc-name,.concept-card--correct .concept-strategy{color:var(--moss-deep)}.concept-correct-summary{font-size:var(--type-body);color:var(--moss-deep);font-weight:600}.concept-card--wrong{background:var(--honey-light);border-color:var(--honey)}.concept-card--wrong .concept-cc-badge{background:var(--ember)}.concept-card--wrong .concept-cc-name,.concept-card--wrong .concept-strategy{color:var(--ember-deep)}.concept-card--wrong .concept-step-num{background:var(--ember)}.concept-card--wrong .concept-step-text{color:var(--ember-deep)}.concept-wrong-label{font-size:var(--type-eyebrow);text-transform:uppercase;letter-spacing:.5px;color:var(--ember);align-self:flex-start;align-items:center;gap:8px;font-weight:800;display:inline-flex}.concept-video-link{background:var(--ink);color:var(--surface);font-size:var(--type-meta);border-radius:999px;align-self:flex-start;align-items:center;gap:6px;padding:8px 14px;font-weight:700;text-decoration:none;transition:background .15s;display:inline-flex}.concept-video-link:hover{background:var(--violet-deep)}.concept-card--deepdive{--favc-primary:var(--ink);--favc-light:var(--paper);--favc-dark:var(--ink);--favc-glow:var(--violet);--favc-gradientA:var(--ink);--favc-gradientB:var(--ink);background:linear-gradient(180deg, var(--favc-light) 0%, var(--surface) 55%, var(--favc-light) 140%);border:1.5px solid var(--favc-primary);box-shadow:0 8px 26px -12px color-mix(in srgb, var(--favc-primary) 55%, transparent), 0 0 0 1px color-mix(in srgb, var(--favc-primary) 15%, transparent) inset;gap:14px;padding:20px 20px 22px;animation:.55s cubic-bezier(.22,1,.36,1) both deepdive-card-in;position:relative;overflow:hidden}.concept-card__glow{background:radial-gradient(60% 100% at 20% 40%, color-mix(in srgb, var(--favc-glow) 55%, transparent) 0%, transparent 70%), radial-gradient(60% 100% at 80% 60%, color-mix(in srgb, var(--favc-gradientA) 45%, transparent) 0%, transparent 70%);filter:blur(24px);opacity:.75;pointer-events:none;z-index:0;height:220px;animation:9s ease-in-out infinite deepdive-glow-drift;position:absolute;inset:-40% -20% auto}.concept-card--deepdive>:not(.concept-card__glow){z-index:1;position:relative}.concept-card--deepdive .concept-cc-badge{background:linear-gradient(135deg, var(--favc-gradientA), var(--favc-gradientB));box-shadow:0 3px 10px -3px color-mix(in srgb, var(--favc-primary) 70%, transparent)}.concept-card--deepdive .concept-cc-name{color:var(--favc-dark)}.concept-card--deepdive .concept-wrong-label{font-size:var(--type-eyebrow);color:var(--favc-primary);background:color-mix(in srgb, var(--favc-primary) 12%, var(--surface));border:1px solid color-mix(in srgb, var(--favc-primary) 30%, transparent);border-radius:999px;padding:6px 12px 6px 10px}.concept-card--deepdive .concept-strategy{font-size:var(--type-body);color:var(--favc-dark);line-height:1.5}.concept-glossary{background:var(--honey-light);border-left:3px solid var(--lantern);border-radius:16px;flex-direction:column;gap:6px;padding:10px 14px 12px;display:flex}.concept-glossary__label{font-size:var(--type-eyebrow);text-transform:uppercase;letter-spacing:.8px;color:var(--ember-deep);font-weight:900}.concept-glossary__list{flex-direction:column;gap:4px;display:flex}.concept-glossary__item{font-size:var(--type-body);color:var(--ember-deep);flex-wrap:wrap;align-items:baseline;gap:6px;line-height:1.35;display:flex}.concept-glossary__emoji{font-size:14px;line-height:1}.concept-glossary__term{color:var(--honey-deep);font-weight:900}.concept-glossary__sep{color:var(--honey-deep);font-weight:700}.concept-glossary__def{color:var(--ember-deep);font-weight:600}.concept-visual{border:1.5px solid color-mix(in srgb, var(--favc-primary) 25%, var(--line));background:#ffffffb3;border-radius:16px;justify-content:center;align-items:center;padding:12px 8px;display:flex}.concept-visual .hint-anim-svg{max-width:100%;height:auto}.concept-card--deepdive .concept-steps{gap:10px}.concept-step--kinetic{animation:.5s cubic-bezier(.34,1.56,.64,1) both deepdive-step-in;animation-delay:var(--step-delay,0s)}.concept-card--deepdive .concept-step-num{width:26px;height:26px;font-size:var(--type-eyebrow);background:linear-gradient(135deg, var(--favc-gradientA), var(--favc-gradientB));color:var(--surface);box-shadow:0 3px 8px -2px color-mix(in srgb, var(--favc-primary) 60%, transparent);animation:.5s cubic-bezier(.34,1.56,.64,1) both deepdive-num-pop;animation-delay:calc(var(--step-delay,0s) + 50ms);margin-top:0}.concept-card--deepdive .concept-step-text{color:var(--favc-dark);font-size:var(--type-body);padding-top:3px;line-height:1.55}.concept-encourage{font-size:var(--type-body);color:var(--favc-primary);text-align:center;background:color-mix(in srgb, var(--favc-glow) 18%, var(--surface));border:1.5px dashed color-mix(in srgb, var(--favc-primary) 40%, transparent);border-radius:16px;padding:8px 12px;font-weight:700}.concept-card--deepdive .concept-video-link{background:linear-gradient(135deg, var(--favc-gradientA), var(--favc-gradientB));box-shadow:0 4px 14px -4px color-mix(in srgb, var(--favc-primary) 60%, transparent)}.concept-card--deepdive .concept-video-link:hover{filter:brightness(1.06)}.concept-anim-in{animation:.5s cubic-bezier(.22,1,.36,1) both deepdive-fade-slide;animation-delay:var(--anim-delay,0s)}.concept-card--pop{animation:.42s cubic-bezier(.34,1.56,.64,1) both correct-pop}.concept-correct-check{background:var(--moss);width:20px;height:20px;color:var(--surface);font-size:var(--type-meta);vertical-align:-3px;border-radius:50%;justify-content:center;align-items:center;margin-right:8px;font-weight:900;animation:.55s cubic-bezier(.34,1.56,.64,1) .15s both check-bounce;display:inline-flex}@keyframes deepdive-card-in{0%{opacity:0;transform:translateY(10px)scale(.985)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes deepdive-fade-slide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes deepdive-step-in{0%{opacity:0;transform:translate(-14px)scale(.96)}60%{opacity:1;transform:translate(2px)scale(1.01)}to{opacity:1;transform:translate(0)scale(1)}}@keyframes deepdive-num-pop{0%{transform:scale(.4)rotate(-15deg)}60%{transform:scale(1.15)rotate(4deg)}to{transform:scale(1)rotate(0)}}@keyframes deepdive-dot-pulse{0%{box-shadow:0 0 0 0 color-mix(in srgb, var(--favc-primary) 65%, transparent)}70%{box-shadow:0 0 0 10px color-mix(in srgb, var(--favc-primary) 0%, transparent)}to{box-shadow:0 0 0 0 color-mix(in srgb, var(--favc-primary) 0%, transparent)}}@keyframes deepdive-glow-drift{0%,to{transform:translate(0,0)scale(1)}50%{transform:translate(4%,-3%)scale(1.05)}}@keyframes correct-pop{0%{opacity:0;transform:scale(.94)}60%{opacity:1;transform:scale(1.02)}to{opacity:1;transform:scale(1)}}@keyframes check-bounce{0%{transform:scale(0)rotate(-40deg)}60%{transform:scale(1.2)rotate(8deg)}to{transform:scale(1)rotate(0)}}.animal-guide{pointer-events:none;align-items:center;gap:10px;display:inline-flex}.animal-guide--bubble-left{flex-direction:row-reverse}.animal-guide__body{transform-origin:50% 85%;flex-shrink:0;justify-content:center;align-items:flex-end;display:inline-flex;position:relative}.animal-guide__emoji{filter:drop-shadow(0 3px 4px #0000002e);transform-origin:50% 85%;line-height:1;display:inline-block}.animal-guide__shadow{filter:blur(3px);background:#0000002e;border-radius:50%;width:60%;height:6px;animation:1.8s ease-in-out infinite animal-shadow-pulse;position:absolute;bottom:-4px;left:50%;transform:translate(-50%)}.animal-guide--sm .animal-guide__emoji{font-size:28px}.animal-guide--md .animal-guide__emoji{font-size:44px}.animal-guide--lg .animal-guide__emoji{font-size:60px}.animal-guide__bubble{max-width:220px;color:var(--ink);font-size:var(--type-body);background:#ffffff1f;border:1.5px solid #ffffff4d;border-radius:20px;padding:10px 14px;font-weight:700;line-height:1.35;animation:.4s cubic-bezier(.34,1.56,.64,1) .35s both bubble-pop;position:relative}.animal-guide__bubble:after,.animal-guide__bubble:before{content:"";border-top:8px solid #0000;border-bottom:8px solid #0000;width:0;height:0;position:absolute;top:50%;transform:translateY(-50%)}.animal-guide__bubble:before{border-right:10px solid #0f172a14;left:-10px}.animal-guide__bubble:after{border-right:10px solid var(--surface);left:-8px}.animal-guide--bubble-left .animal-guide__bubble:before{border-left:10px solid #0f172a14;border-right:none;left:auto;right:-10px}.animal-guide--bubble-left .animal-guide__bubble:after{border-right:none;border-left:10px solid var(--surface);left:auto;right:-8px}.animal-guide--idle .animal-guide__emoji{animation:2.4s ease-in-out infinite animal-idle-bob}.animal-guide--explaining .animal-guide__emoji{animation:1.6s cubic-bezier(.34,1.56,.64,1) infinite animal-explain-hop}.animal-guide--pointing .animal-guide__emoji{animation:2s ease-in-out infinite animal-point-lean}.animal-guide--cheering .animal-guide__emoji{animation:.6s cubic-bezier(.34,1.56,.64,1) infinite animal-cheer-bounce}.animal-guide--waving .animal-guide__emoji{animation:1.4s ease-in-out infinite animal-wave-sway}.animal-guide--thinking .animal-guide__emoji{animation:3s ease-in-out infinite animal-think-tilt}.concept-guide-row{align-items:flex-end;min-height:72px;padding:4px 0 6px;display:flex}.concept-card--deepdive .concept-encourage{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.concept-correct-guide{justify-content:flex-end;padding-top:2px;display:flex}.hint-concept{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.hint-animal-slot{margin-left:auto}@keyframes animal-idle-bob{0%,to{transform:translateY(0)scale(1)}50%{transform:translateY(-4px)scale(1.02)}}@keyframes animal-explain-hop{0%,to{transform:translateY(0)rotate(0)}20%{transform:translateY(-10px)rotate(-6deg)}40%{transform:translateY(0)rotate(0)}60%{transform:translateY(-6px)rotate(4deg)}80%{transform:translateY(0)rotate(0)}}@keyframes animal-point-lean{0%,to{transform:translate(0)rotate(0)}50%{transform:translate(3px)rotate(6deg)}}@keyframes animal-cheer-bounce{0%,to{transform:translateY(0)scale(1)rotate(0)}30%{transform:translateY(-14px)scale(1.08)rotate(-8deg)}60%{transform:translateY(-2px)scale(.98)rotate(6deg)}}@keyframes animal-wave-sway{0%,to{transform:rotate(-8deg)translateY(0)}50%{transform:rotate(10deg)translateY(-3px)}}@keyframes animal-think-tilt{0%,to{transform:rotate(0)}25%{transform:rotate(-8deg)}75%{transform:rotate(8deg)}}@keyframes animal-shadow-pulse{0%,to{opacity:.5;transform:translate(-50%)scaleX(1)}50%{opacity:.3;transform:translate(-50%)scaleX(.7)}}@keyframes bubble-pop{0%{opacity:0;transform:scale(.6)translateY(4px)}to{opacity:1;transform:scale(1)translateY(0)}}@media (prefers-reduced-motion:reduce){.concept-card--deepdive,.concept-card--pop,.concept-anim-in,.concept-step--kinetic,.concept-card--deepdive .concept-step-num,.concept-correct-check,.concept-card__glow,.animal-guide__emoji,.animal-guide__shadow,.animal-guide__bubble{animation:none!important}}.next-problem-btn{width:100%;margin-top:4px}.retry-choice-row{flex-wrap:wrap;gap:10px;margin-top:4px;display:flex}@media (width<=599px){.retry-choice-row>*{flex:100%}}.retry-again-btn{border:2px solid var(--ink);background:var(--surface);color:var(--ink);cursor:pointer;border-radius:12px;flex:none;padding:14px 22px;font-size:1rem;font-weight:700;transition:background .15s,color .15s}.retry-again-btn:hover{background:var(--ink);color:var(--surface)}.retry-choice-row .next-problem-btn{flex:auto;width:auto;margin-top:0}.choices-area{grid-template-columns:1fr 1fr;gap:12px;width:100%;display:grid}.choice-btn{border:3px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);font-size:22px;font-weight:900;font-family:var(--font);color:var(--text);cursor:pointer;text-align:center;letter-spacing:-.5px;padding:18px 12px;transition:border-color .12s,background .12s,transform .1s}.choice-btn:hover{border-color:var(--primary);background:var(--paper);color:var(--primary);transform:translateY(-2px)}.choice-btn:active{transform:translateY(0)}@media (width<=480px){.choice-btn{font-size:var(--type-button);padding:14px 8px}}.session-progress{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.session-lanterns{align-items:center;gap:8px;display:flex}.session-lantern{background:0 0;border:2px solid #ffffff57;border-radius:50%;width:13px;height:13px;transition:background .3s,box-shadow .3s,transform .2s}.session-lantern.is-lit{background:var(--lantern);border-color:var(--lantern);box-shadow:0 0 10px rgba(var(--lantern-rgb), .75)}.session-lantern.is-active{border-color:var(--lantern);box-shadow:0 0 0 3px rgba(var(--lantern-rgb), .28);transform:scale(1.15)}@media (prefers-reduced-motion:reduce){.session-lantern{transition:none}}.session-progress-count{font-size:var(--type-meta);letter-spacing:.3px;color:#fffdf8c7;font-weight:700}.practice-loading{background:radial-gradient(ellipse 60% 45% at 50% 15%, #f5b33c24, transparent 60%), var(--ink);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.practice-loading-card{background:var(--surface);border:1px solid #ffffffeb;border-radius:28px;flex-direction:column;align-items:center;gap:12px;max-width:360px;padding:24px 28px 26px;animation:.28s cubic-bezier(.34,1.56,.64,1) scaleIn;display:flex;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}.practice-loading-video{object-fit:contain;width:200px;height:200px;display:block}.practice-loading-copy{text-align:center;flex-direction:column;gap:6px;display:flex}.practice-loading-copy .eyebrow{color:var(--honey-deep)}.practice-loading-text{font-family:var(--font-display);font-size:var(--type-body);color:var(--ink);font-weight:700;line-height:1.35}.end-screen-wrap{z-index:10;flex:1;justify-content:center;align-items:center;padding:40px 24px;display:flex;position:relative}.end-card{-webkit-backdrop-filter:blur(22px)saturate(1.5);backdrop-filter:blur(22px)saturate(1.5);text-align:center;width:100%;max-width:560px;color:var(--surface);background:linear-gradient(#ffffff21,#ffffff12);border:1px solid #ffffffeb;border-radius:28px;flex-direction:column;align-items:center;gap:20px;padding:40px 32px;animation:.3s scaleIn;display:flex;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}.end-emoji{font-size:64px;line-height:1}.end-title{color:var(--surface);letter-spacing:-1px;font-size:30px;font-weight:900}.end-score{align-items:baseline;gap:4px;display:flex}.end-score-big{color:var(--lantern);letter-spacing:-2px;font-size:56px;font-weight:900;line-height:1}.end-score-sep{color:#fffdf89e;font-size:28px;font-weight:700}.end-score-total{color:#fffdf8d1;font-size:28px;font-weight:700}.stars{gap:8px;display:flex}.star{color:#ffffff42;font-size:40px;transition:color .15s}.star.filled{color:var(--accent);filter:drop-shadow(0 2px 6px #f59e0b80)}.end-message{font-size:var(--type-body);color:#fffdf8db;font-weight:600;line-height:1.5}.badge-unlocked-section{background:linear-gradient(135deg, var(--honey-light), var(--honey));border:1.5px solid var(--honey);border-radius:16px;flex-direction:column;gap:10px;width:100%;padding:16px 18px;animation:.35s scaleIn;display:flex}.badge-unlocked-header{font-size:var(--type-heading);color:var(--honey-deep);text-align:center;font-weight:900}.badge-unlocked-list{flex-direction:column;gap:10px;display:flex}.badge-unlocked-item{background:#fff9;border-radius:16px;align-items:center;gap:12px;padding:10px 14px;display:flex}.badge-unlocked-emoji{flex-shrink:0;font-size:32px}.badge-unlocked-name{font-size:var(--type-body);color:var(--ember-deep);font-weight:900}.badge-unlocked-desc{font-size:var(--type-meta);color:var(--honey-deep);margin-top:2px;font-weight:600}.end-row{gap:10px;width:100%;display:grid}.end-row--rewards,.end-row--exits{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}.end-btn{min-height:var(--tap-min,56px);height:100%;font-family:var(--font);font-size:var(--type-button-secondary);cursor:pointer;text-align:center;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:12px 16px;font-weight:800;line-height:1.25;transition:transform .1s,box-shadow .15s,border-color .15s;display:flex}.end-btn--glass{-webkit-backdrop-filter:blur(18px)saturate(1.5);backdrop-filter:blur(18px)saturate(1.5);color:var(--surface);background:linear-gradient(#ffffff29,#ffffff17);border:1px solid #ffffff57;box-shadow:0 8px 22px -10px #00000080}.end-btn--glass:hover{border-color:#fff9}.end-btn--reward{position:relative;overflow:hidden}.end-btn--reward:before{content:"";pointer-events:none;background:linear-gradient(#f5b33c38,#0000 78%);position:absolute;inset:0}.end-btn--reward>*{position:relative}.end-btn--primary{background:var(--lantern);color:var(--ink);box-shadow:0 5px 0 var(--lantern-shadow);border:none}.end-btn--primary:active{box-shadow:none;transform:translateY(5px)}.end-btn:active{transform:translateY(2px)}.end-btn:focus-visible{outline-offset:3px;outline:3px solid #fffc}.end-btn-art{line-height:0;display:block}.answer-review{border-top:1px solid var(--border);flex-direction:column;gap:6px;width:100%;max-height:240px;padding-top:16px;display:flex;overflow-y:auto}.review-item{border-radius:var(--radius);font-size:var(--type-body);align-items:center;gap:10px;padding:8px 12px;font-weight:600;display:flex}.review-item.correct{background:var(--success-light);color:var(--moss-deep)}.review-item.wrong{background:var(--error-light);color:var(--ember-deep)}.review-question{text-align:left;flex:1}.review-correct-answer{font-weight:800}.checkin-page{min-height:100vh}.checkin-top-bar{z-index:10;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px 6px;display:flex;position:relative}.checkin-top-bar-right,.checkin-top-bar-left{align-items:center;gap:10px;display:flex}.checkin-home-btn{width:var(--tap-min,56px);height:var(--tap-min,56px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--surface);font-family:var(--font);font-size:var(--type-button);cursor:pointer;background:#ffffff24;border:1.5px solid #ffffff59;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-weight:700;line-height:1;transition:background .15s,border-color .15s,transform .1s;display:inline-flex}.checkin-home-btn:hover{background:#ffffff3d;border-color:#ffffff8c}.checkin-home-btn:active{transform:scale(.96)}.checkin-wrap{z-index:10;flex:1;justify-content:center;align-items:flex-start;padding:8px 20px 32px;display:flex;position:relative}.checkin-card{-webkit-backdrop-filter:blur(22px)saturate(1.7);backdrop-filter:blur(22px)saturate(1.7);background:linear-gradient(#ffffffe0,#ffffffa8);border:1px solid #ffffffeb;border-radius:28px;flex-direction:column;gap:26px;width:100%;max-width:540px;padding:32px 28px 28px;animation:.3s scaleIn;display:flex;position:relative;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}.checkin-profile-btn{width:var(--tap-min,56px);height:var(--tap-min,56px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;background:#ffffff2e;border:2px solid #ffffff80;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:22px;line-height:1;transition:background .15s,transform .1s;display:flex}.checkin-profile-btn:hover{background:#ffffff4d}.checkin-profile-btn:active{transform:scale(.94)}.checkin-profile-avatar{font-size:22px;line-height:1}.checkin-logout-btn{width:var(--tap-min,56px);height:var(--tap-min,56px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:var(--type-button);color:var(--surface);cursor:pointer;font-weight:800;font-family:var(--font);background:#ffffff24;border:1.5px solid #ffffff59;border-radius:50%;justify-content:center;align-items:center;padding:0;line-height:1;transition:background .15s,border-color .15s,transform .1s;display:flex}.checkin-logout-btn:hover{background:#ffffff3d;border-color:#ffffff8c}.checkin-logout-btn:active{transform:scale(.94)}.checkin-logout-icon{font-size:18px;line-height:1}.checkin-offline-btn{width:var(--tap-min,56px);height:var(--tap-min,56px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:var(--type-button-secondary);color:var(--surface);cursor:pointer;font-family:var(--font);width:auto;min-width:var(--tap-min,56px);font-size:var(--type-button-secondary);background:#ffffff24;border:1.5px solid #ffffff59;border-radius:999px;justify-content:center;align-items:center;padding:0 14px;transition:background .15s,border-color .15s,transform .1s;display:flex;position:relative}.checkin-offline-btn:hover{background:#ffffff3d;border-color:#ffffff8c}.checkin-offline-btn:active{transform:scale(.94)}.checkin-offline-icon{font-size:16px;line-height:1}.checkin-offline-tip{white-space:normal;background:var(--ink);width:220px;color:var(--surface);font-size:var(--type-meta);opacity:0;pointer-events:none;z-index:100;text-align:left;border-radius:8px;padding:8px 12px;font-weight:600;line-height:1.4;transition:opacity .15s;position:absolute;top:calc(100% + 8px);right:0;box-shadow:0 4px 16px #0000004d}.checkin-offline-btn:hover .checkin-offline-tip,.checkin-offline-btn:focus-visible .checkin-offline-tip{opacity:1}.checkin-greeting{text-align:center}.checkin-emoji{margin-bottom:8px;font-size:52px;line-height:1;display:block}.checkin-title{color:var(--text);letter-spacing:-.5px;margin-bottom:6px;font-size:28px;font-weight:900}.checkin-sub{font-size:var(--type-meta);color:var(--text-secondary);font-weight:600}.checkin-section{flex-direction:column;gap:12px;display:flex}.checkin-label{font-size:var(--type-eyebrow);color:var(--text);letter-spacing:.2px;font-weight:800}.checkin-optional{color:var(--text-muted);font-weight:600}.checkin-time-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.checkin-time-btn{border:2.5px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);min-width:72px;font-size:var(--type-button-secondary);font-weight:800;font-family:var(--font);color:var(--text-secondary);cursor:pointer;text-align:center;min-height:var(--tap-min,56px);padding:14px 12px;transition:border-color .15s,background .15s,color .15s}.checkin-time-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light,var(--paper))}.checkin-time-btn.selected{border-color:var(--primary);background:var(--primary);color:var(--surface)}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.checkin-card{background:var(--surface);border:1px solid var(--line)}}@media (prefers-reduced-transparency:reduce){.checkin-card{background:var(--surface);border:1px solid var(--line);-webkit-backdrop-filter:none;backdrop-filter:none}}.checkin-mood-meter{touch-action:pan-y;-webkit-user-select:none;user-select:none;background:#ffffff80;border:2px solid #241f331f;border-radius:22px;gap:3px;padding:5px;display:flex}.checkin-mood-seg:focus-visible{outline:3px solid var(--primary-glow);outline-offset:2px;z-index:1}.checkin-mood-seg{min-height:var(--tap-min,56px);cursor:pointer;color:var(--muted);background:#ffffff70;border:2px solid #0000;border-radius:6px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:8px 4px;transition:background .15s,color .15s,flex .15s,box-shadow .15s;display:flex}.checkin-mood-seg:first-child{border-top-left-radius:18px;border-bottom-left-radius:18px}.checkin-mood-seg:last-child{border-top-right-radius:18px;border-bottom-right-radius:18px}.checkin-mood-seg.filled{background:rgba(var(--lantern-rgb), calc(.2 + var(--seg) * .11));color:var(--ink)}.checkin-mood-seg.selected{background:var(--lantern);border-color:var(--lantern-shadow);box-shadow:0 0 0 3px rgba(var(--lantern-rgb), .32);color:var(--ink);flex:1.15}.checkin-mood-emoji{font-size:22px;line-height:1}.checkin-mood-seg:not(.filled) .checkin-mood-emoji{opacity:.55}.checkin-mood-meter:not(:has(.selected)) .checkin-mood-seg .checkin-mood-emoji{opacity:1}.checkin-mood-label{font-size:var(--type-eyebrow);font-weight:700}.checkin-time-row{align-items:stretch;gap:8px;display:flex}@media (width<=599px){.checkin-time-row{grid-template-columns:1fr 1fr;align-items:start;gap:8px;display:grid}.checkin-time-btn:first-child{min-height:56px}.checkin-time-btn:nth-child(2){min-height:64px}.checkin-time-btn:nth-child(3){min-height:76px}.checkin-time-btn:nth-child(4){min-height:88px}}.checkin-mood-grid{grid-template-columns:repeat(5,1fr);gap:6px;display:grid}.checkin-mood-btn{min-height:var(--tap-min,56px);border:2.5px solid var(--border);border-radius:var(--radius);background:var(--surface);min-width:0;font-family:var(--font);cursor:pointer;flex-direction:column;align-items:center;gap:4px;padding:10px 4px;transition:border-color .15s,background .15s;display:flex}.checkin-mood-btn:hover{border-color:var(--primary);background:var(--primary-light,var(--paper))}.checkin-mood-btn.selected{border-color:var(--primary);background:var(--primary)}.checkin-mood-label{font-size:var(--type-eyebrow);color:var(--text-secondary);letter-spacing:.1px;white-space:nowrap;text-overflow:ellipsis;max-width:100%;font-weight:800;overflow:hidden}.checkin-mood-btn.selected .checkin-mood-label{color:var(--surface)}.checkin-surprise-btn{border-radius:var(--radius-lg);background:linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(135deg, var(--ember), var(--district-fraction), var(--ink), var(--ink)) border-box;cursor:pointer;width:100%;font-family:var(--font);text-align:left;border:2.5px solid #0000;align-items:center;gap:14px;padding:16px 20px;transition:all .2s;display:flex;position:relative}.checkin-surprise-btn:hover{background:linear-gradient(135deg, var(--honey-light), var(--violet-light), var(--violet), var(--district-fraction)) padding-box, linear-gradient(135deg, var(--ember), var(--district-fraction), var(--ink), var(--ink)) border-box;transform:translateY(-1px);box-shadow:0 4px 16px #8b5cf62e}.checkin-surprise-btn.active{background:linear-gradient(135deg, var(--honey-light), var(--violet-light), var(--violet), var(--district-fraction)) padding-box, linear-gradient(135deg, var(--ember), var(--district-fraction), var(--ink), var(--ink)) border-box;box-shadow:0 6px 20px #8b5cf638}.checkin-surprise-icon{flex-shrink:0;font-size:28px;line-height:1}.checkin-surprise-text{flex-direction:column;flex:1;gap:2px;display:flex}.checkin-surprise-title{font-size:var(--type-body);background:linear-gradient(135deg, var(--ember), var(--district-fraction), var(--ink));-webkit-text-fill-color:transparent;letter-spacing:-.3px;-webkit-background-clip:text;background-clip:text;font-weight:900}.checkin-surprise-sub{font-size:var(--type-meta);color:var(--text-secondary);font-weight:600}.checkin-surprise-check{font-size:var(--type-body);background:linear-gradient(135deg, var(--ink), var(--ink));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;flex-shrink:0;font-weight:900}.checkin-or-divider{font-size:var(--type-meta);color:var(--text-muted);text-align:center;justify-content:center;align-items:center;gap:8px;font-weight:700;display:flex}.checkin-topics-grid{flex-wrap:wrap;gap:8px;transition:opacity .2s;display:flex}.checkin-topics-grid.dimmed{opacity:.35;pointer-events:none}.checkin-topic-btn{border:2px solid var(--ink-soft);font-size:var(--type-button-secondary);font-weight:700;font-family:var(--font);color:var(--ink);cursor:pointer;white-space:nowrap;min-height:var(--tap-min,56px);background:0 0;border-radius:999px;align-items:center;gap:6px;padding:8px 14px;transition:border-color .15s,background .15s,color .15s;display:inline-flex}.checkin-topic-btn:hover{border-color:var(--ink);color:var(--ink);background:var(--paper)}.checkin-topic-btn.selected{border-color:var(--ink);background:var(--ink);color:var(--surface)}.checkin-topic-check{font-weight:900;line-height:1}.checkin-eyebrow{font-size:var(--type-eyebrow);color:var(--text-muted);letter-spacing:.4px;text-transform:uppercase;margin:4px 0 -4px;font-weight:800}.checkin-topic-btn--personal{border-color:var(--honey);color:var(--ember-deep);background:var(--honey-light)}.checkin-topic-btn--personal:hover{border-color:var(--lantern);color:var(--ink);background:var(--honey-light)}.checkin-topic-btn--personal.selected{border-color:var(--ink);background:var(--ink);color:var(--surface)}.checkin-topic-asterisk{color:var(--lantern);cursor:pointer;border-radius:4px;margin-right:4px;padding:0 2px;font-weight:900;display:inline-block;position:relative}.checkin-topic-asterisk:hover,.checkin-topic-asterisk:focus-visible{background:#f59e0b33;outline:none}.checkin-topic-btn--personal.selected .checkin-topic-asterisk{color:var(--surface)}.checkin-topic-asterisk-tip{white-space:nowrap;background:var(--ink);color:var(--surface);font-size:var(--type-meta);opacity:0;pointer-events:none;z-index:100;border-radius:8px;padding:6px 10px;font-weight:700;transition:opacity .15s;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0000004d}.checkin-topic-asterisk-tip:after{content:"";border:5px solid #0000;border-top-color:var(--ink);position:absolute;top:100%;left:50%;transform:translate(-50%)}.checkin-topic-asterisk:hover .checkin-topic-asterisk-tip,.checkin-topic-asterisk:focus-visible .checkin-topic-asterisk-tip{opacity:1}.checkin-topic-asterisk-remove{color:var(--ember);font-weight:700}.checkin-note-input{border:2px solid var(--border);border-radius:var(--radius-lg);width:100%;font-size:var(--type-body);font-weight:600;font-family:var(--font);color:var(--text);background:var(--bg);box-sizing:border-box;min-height:var(--tap-min,56px);outline:none;padding:12px 16px;transition:border-color .15s,box-shadow .15s}.checkin-note-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-glow)}.checkin-note-input::placeholder{color:var(--text-muted)}.checkin-start-btn{border-radius:var(--radius-lg);width:100%;font-size:var(--type-button);font-weight:800;font-family:var(--font);cursor:pointer;letter-spacing:.2px;border:none;padding:16px;transition:opacity .15s,transform .1s}.checkin-start-btn:hover:not(:disabled){opacity:.92;transform:translateY(-1px)}.checkin-start-btn:disabled,.checkin-start-btn.is-waiting{opacity:1;background:var(--paper);color:var(--muted);border-color:var(--line);background-image:none}.checkin-start-btn:disabled{cursor:not-allowed}.checkin-start-btn.is-waiting{cursor:pointer}.checkin-start-hint{text-align:center;font-size:var(--type-meta);color:var(--ink-soft,var(--text-secondary));margin:10px 0 0;font-weight:700}.checkin-section.is-nudged{border-radius:var(--radius-lg);box-shadow:0 0 0 3px var(--primary-glow);transition:box-shadow .2s}.feedback-area .concept-card--onstage{--favc-dark:var(--surface);box-shadow:none;background:0 0;border:none;padding:4px 0 0;animation:none}.feedback-area .concept-card--onstage .concept-card__glow{display:none}.feedback-area .concept-card--onstage .concept-strategy,.feedback-area .concept-card--onstage .concept-step-text{color:var(--surface)}.feedback-area .concept-card--onstage .concept-encourage{color:var(--surface);background:#ffffff0f;border-color:#ffffff47}.feedback-area .concept-card--onstage .concept-video-link{color:var(--surface);background:#ffffff24}.feedback-area .concept-card--onstage .concept-video-link:hover{background:#ffffff38}.feedback-area .concept-card--onstage .concept-visual{background:var(--surface);border-radius:12px;padding:10px}.end-save-slow{font-size:var(--type-meta);color:var(--muted);text-align:center;margin:8px 0 0}.hint-wrap{flex-direction:column;align-items:center;gap:8px;margin-top:4px;margin-bottom:4px;display:flex}.lifeline-btn{cursor:pointer;font-family:var(--font);min-height:var(--tap-min,56px);-webkit-backdrop-filter:blur(18px)saturate(1.6);backdrop-filter:blur(18px)saturate(1.6);background:linear-gradient(#ffffffbd,#ffffff80);border:1px solid #ffffffeb;border-radius:24px;flex-direction:column;align-self:center;align-items:center;gap:6px;padding:12px 24px 14px;transition:transform .1s,box-shadow .15s,border-color .15s;display:flex;position:relative;overflow:hidden;box-shadow:0 8px 22px -8px #241f3357}.lifeline-btn:before{content:"";pointer-events:none;background:linear-gradient(#f5b33c33,#0000 78%);position:absolute;inset:0}.lifeline-btn>*{position:relative}.lifeline-art{line-height:0;display:block}.lifeline-label{font-size:var(--type-button-secondary);letter-spacing:.2px;color:var(--ember-deep);font-weight:800}.lifeline-btn--steps .lifeline-label{color:var(--violet-deep)}.lifeline-btn:hover{border-color:#fff;box-shadow:0 12px 28px -8px #241f336b}.lifeline-btn:active{transform:translateY(2px)scale(.985)}.lifeline-btn:focus-visible{outline:3px solid var(--primary-glow);outline-offset:3px}.steps-overlay{-webkit-backdrop-filter:blur(6px);z-index:9999;background:#0f0c23b8;justify-content:center;align-items:center;padding:16px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.steps-modal{background:var(--paper-warm,#fbf6ec);-webkit-overflow-scrolling:touch;border:1px solid #ffffffeb;border-radius:28px;width:100%;max-width:600px;max-height:92vh;padding:8px 8px 16px;overflow-y:auto;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}.steps-modal-head{justify-content:space-between;align-items:center;gap:12px;padding:8px 8px 0 16px;display:flex}.steps-modal-title{font-family:var(--font);font-size:var(--type-body);color:var(--violet-deep);letter-spacing:.2px;font-weight:800}.steps-close-btn{color:#241f3399;min-height:44px;font-family:var(--font);font-size:var(--type-button-secondary);cursor:pointer;background:0 0;border:1px solid #241f3329;border-radius:999px;padding:10px 16px;font-weight:600}.steps-close-btn:hover{color:var(--ink);background:#241f330f}.lifeline-btn.used:hover{background:#9ca3af33;border-color:#9ca3af80}.hint-panel{-webkit-backdrop-filter:blur(18px)saturate(1.6);backdrop-filter:blur(18px)saturate(1.6);background:linear-gradient(#ffffffbd,#ffffff80);border:1.5px solid #ffffffeb;border-radius:16px;flex-direction:column;gap:12px;padding:16px;animation:.18s fadeIn;display:flex}.hint-concept{flex-wrap:wrap;align-items:center;gap:8px;min-height:84px;display:flex}.hint-concept .hint-animal-slot{flex-shrink:0;align-self:flex-start;margin-left:auto}.hint-concept .hint-animal-slot img.numble__img{width:auto;height:84px}.hint-emoji{font-size:22px;line-height:1}.hint-concept-name{font-size:var(--type-body);color:var(--honey-deep);flex:220px;font-weight:900}.hint-nudge{font-size:var(--type-body);color:var(--ember-deep);margin:0;font-weight:600;line-height:1.5}.hint-step-label{font-size:var(--type-eyebrow);color:var(--ember-deep);text-transform:uppercase;letter-spacing:.6px;font-weight:800}.hint-step{font-size:var(--type-body);color:var(--ink);border:1.5px solid var(--honey);word-break:break-word;background:#ffffffeb;border-radius:16px;padding:12px 14px;font-family:SF Mono,ui-monospace,Menlo,Monaco,Consolas,monospace;font-weight:700;line-height:1.5}@keyframes haSliceIn{0%{opacity:0;transform-origin:55px 55px;transform:scale(.4)}to{opacity:1;transform-origin:55px 55px;transform:scale(1)}}@keyframes haDotPop{0%{opacity:0;transform:scale(0)}60%{opacity:1;transform:scale(1.35)}to{opacity:1;transform:scale(1)}}@keyframes haPopIn{0%{opacity:0;transform:scale(.5)}70%{transform:scale(1.18)}to{opacity:1;transform:scale(1)}}@keyframes haArcIn{0%{opacity:0;stroke-dashoffset:40px}to{opacity:1;stroke-dashoffset:0}}@keyframes haBoxIn{0%{opacity:0;transform-origin:bottom;transform:scaleY(.2)}to{opacity:1;transform:scaleY(1)}}@keyframes haCellIn{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes haStageSlide{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes twBlink{50%{opacity:0}}.hint-visual-wrap{justify-content:center;padding:4px 0 10px;display:flex}.hint-anim-svg{display:block;overflow:visible}.ha-slice{animation:.28s ease-out both haSliceIn}.ha-dot-pop{animation:.28s ease-out both haDotPop}.ha-pop{animation:.35s ease-out both haPopIn}.ha-ring{animation:.4s ease-out both haPopIn}.ha-arc{stroke-dasharray:40;animation:.22s ease-out both haArcIn}.ha-box{animation:.22s ease-out both haBoxIn}.ha-cell{animation:.18s ease-out both haCellIn}.ha-label{animation:.28s ease-out both haPopIn}@keyframes haLineIn{0%{stroke-dashoffset:400px}to{stroke-dashoffset:0}}.ha-draw-line{stroke-dasharray:400;stroke-dashoffset:400px;animation:.38s ease-out both haLineIn}@keyframes haBarRise{0%{transform:scaleY(0)}to{transform:scaleY(1)}}@keyframes haBlinkVal{0%,45%,to{opacity:1}55%{opacity:0}}.ha-bar-rise{transform-box:fill-box;transform-origin:bottom;animation:.35s ease-out both haBarRise}.ha-blink-val{animation:1.1s ease-in-out infinite haBlinkVal}.tw-cursor{color:var(--ember);margin-left:1px;font-weight:400;animation:.75s step-end infinite twBlink;display:inline-block}.hint-stage-reveal{flex-direction:column;gap:6px;animation:.28s ease-out both haStageSlide;display:flex}.hint-step-2{border-color:var(--honey);background:#fef3c7e6}.hint-another-btn{color:var(--ember-deep);font-size:var(--type-button-secondary);font-weight:800;font-family:var(--font);cursor:pointer;letter-spacing:.2px;background:#f973161c;border:1.5px solid #f9731661;border-radius:999px;align-self:flex-start;margin-top:2px;padding:7px 16px;transition:background .15s,border-color .15s}.hint-another-btn:hover{background:#f9731633;border-color:#f97316a6}@media (width<=480px){.problem-card{border-radius:22px;gap:20px;padding:24px 18px 22px}.practice-header{padding:10px 14px 4px}.practice-main{gap:16px;padding:12px 14px 28px}.live-score-bar{font-size:var(--type-meta);gap:14px;padding:8px 14px}.problem-question-line{font-size:28px}.problem-question-prose .problem-question-line,.problem-question-prose .problem-question-line.subline,.problem-question-line.subline{font-size:var(--type-heading)}.answer-input{font-size:var(--type-answer);padding:14px 16px}.hint-panel{gap:10px;padding:14px}.hint-step{font-size:var(--type-body);padding:10px 12px}.end-card{padding:32px 20px}.end-score-big{font-size:44px}.checkin-card{border-radius:24px;gap:22px;padding:26px 18px 22px}.checkin-top-bar{padding:10px 14px 4px}.checkin-wrap{padding:6px 14px 28px}.checkin-mood-grid{gap:5px}.checkin-mood-btn{padding:9px 2px}.checkin-mood-label{font-size:var(--type-eyebrow)}.checkin-title{font-size:26px}}@media (width<=380px){.checkin-mood-label{font-size:var(--type-eyebrow);letter-spacing:0}.checkin-title{font-size:var(--type-heading)}}.ci-screen{--ci-pepperoni:#dc2626;--ci-pepperoni-edge:#991b1b;--ci-pie-slice:#a855f7;--ci-unit-ten-edge:#3730a3;--ci-unit-one-edge:#5b21b6;flex-direction:column;min-height:100vh;display:flex}.ci-header-badge{color:var(--surface);font-size:var(--type-eyebrow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);letter-spacing:.3px;background:#fff3;border:1.5px solid #ffffff4d;border-radius:999px;padding:6px 14px;font-weight:700}.ci-main{z-index:1;flex:1;justify-content:center;align-items:flex-start;padding:12px 16px 32px;display:flex;position:relative}.ci-card{-webkit-backdrop-filter:blur(22px)saturate(1.7);backdrop-filter:blur(22px)saturate(1.7);background:linear-gradient(#ffffffe0,#ffffffa8);border:1px solid #ffffffeb;border-radius:28px;flex-direction:column;gap:20px;width:100%;max-width:520px;padding:28px 24px;animation:.4s cubic-bezier(.34,1.4,.64,1) both ciCardIn;display:flex;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}@keyframes ciCardIn{0%{opacity:0;transform:translateY(24px)scale(.97)}to{opacity:1;transform:translateY(0)scale(1)}}.gr-card{gap:18px;max-width:480px}.gr-tip-list{flex-direction:column;gap:12px;padding:4px 0;display:flex}.gr-tip{background:var(--surface-2,var(--paper));border-left:4px solid var(--primary);border-radius:16px;align-items:flex-start;gap:14px;padding:14px 16px;display:flex}.gr-tip-icon{flex-shrink:0;font-size:26px;line-height:1}.gr-tip-title{font-size:var(--type-body);color:var(--text);margin-bottom:3px;font-weight:800}.gr-tip-text{font-size:var(--type-body);color:var(--text-secondary);line-height:1.4}.ci-card-top{text-align:center}.ci-emoji{margin-bottom:8px;font-size:44px;animation:.6s cubic-bezier(.34,1.7,.64,1) .2s both ciEmojiBounce;display:block}@keyframes ciEmojiBounce{0%{opacity:0;transform:scale(.4)}to{opacity:1;transform:scale(1)}}.ci-title{font-size:var(--type-heading);color:var(--ink);margin:0 0 4px;font-weight:900}.ci-tagline{font-size:var(--type-body);color:var(--muted);margin:0;font-weight:500}.ci-visual-area{justify-content:center;align-items:center;min-height:160px;display:flex}.ci-visual-pizza{flex-direction:column;align-items:center;gap:10px;width:100%;display:flex}.ci-pizza-halves{justify-content:center;align-items:center;display:flex}.ci-pizza-gap{width:10px}.ci-pizza-half{width:72px;height:144px;position:relative}.ci-pizza-left{animation:.7s cubic-bezier(.34,1.4,.64,1) .5s both pizzaSlideLeft}.ci-pizza-right{animation:.7s cubic-bezier(.34,1.4,.64,1) .5s both pizzaSlideRight}@keyframes pizzaSlideLeft{0%{transform:translate(36px)}to{transform:translate(0)}}@keyframes pizzaSlideRight{0%{transform:translate(-36px)}to{transform:translate(0)}}.ci-pizza-inner{background:radial-gradient(ellipse at 30% 40%, var(--honey) 0%, var(--lantern) 50%, var(--honey-deep) 80%, var(--honey-deep) 100%);width:100%;height:100%;position:relative;overflow:hidden}.ci-pizza-inner:before{content:"";background:radial-gradient(ellipse at 35% 35%, var(--honey) 0%, var(--honey) 50%, var(--lantern) 100%);opacity:.7;position:absolute;inset:6px}.ci-pizza-inner-left{border-radius:144px 0 0 144px}.ci-pizza-inner-right{border-left:2px dashed #92400e66;border-radius:0 144px 144px 0}.ci-pepperoni{background:radial-gradient(circle, var(--ci-pepperoni) 60%, var(--ci-pepperoni-edge) 100%);z-index:1;border-radius:50%;width:16px;height:16px;position:absolute}.ci-pizza-labels{justify-content:center;gap:62px;animation:.4s 1s both fadeInUp;display:flex}.ci-frac-label{color:var(--ink);font-size:26px;font-weight:900}.ci-visual-generic{flex-direction:column;align-items:center;gap:10px;display:flex}.ci-pie-wrap{width:120px;height:120px;position:relative}.ci-pie-quarter{width:60px;height:60px;color:var(--surface);animation:ciPieIn .4s ease calc(var(--q) * .15s + .3s) both;justify-content:center;align-items:center;font-size:13px;font-weight:800;display:flex;position:absolute}.ci-pie-quarter:first-child{background:var(--ink);border-radius:60px 0 0;top:0;left:0}.ci-pie-quarter:nth-child(2){background:var(--ink);border-radius:0 60px 0 0;top:0;right:0}.ci-pie-quarter:nth-child(3){background:var(--ci-pie-slice);border-radius:0 0 0 60px;bottom:0;left:0}.ci-pie-quarter:nth-child(4){background:var(--ink);border-radius:0 0 60px;bottom:0;right:0}@keyframes ciPieIn{0%{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}.ci-visual-groups{flex-direction:column;align-items:flex-start;gap:10px;padding:4px 0;display:flex}.ci-group-row{align-items:center;gap:6px;animation:.4s both fadeInLeft;display:flex}@keyframes fadeInLeft{0%{opacity:0;transform:translate(-12px)}to{opacity:1;transform:translate(0)}}.ci-group-dot{font-size:22px;animation:.3s cubic-bezier(.34,1.7,.64,1) both ciBounceIn}@keyframes ciBounceIn{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}.ci-group-count{font-size:var(--type-eyebrow);color:var(--muted);margin-left:4px;font-weight:700}.ci-visual-share{flex-direction:column;align-items:center;gap:12px;display:flex}.ci-share-groups{justify-content:center;gap:16px;display:flex}.ci-share-group{flex-direction:column;align-items:center;gap:6px;animation:.4s both fadeInUp;display:flex}.ci-share-bucket{border:2.5px solid;border-radius:10px;flex-wrap:wrap;place-content:flex-start center;gap:4px;width:52px;min-height:52px;padding:6px;display:flex}.ci-share-dot{border-radius:50%;width:10px;height:10px;animation:.25s cubic-bezier(.34,1.7,.64,1) both ciBounceIn}.ci-share-label{font-size:18px;font-weight:900}.ci-visual-blocks{flex-direction:column;align-items:center;gap:8px;display:flex}.ci-blocks-row{align-items:center;gap:12px;display:flex}.ci-blocks-group{flex-direction:column;align-items:center;gap:6px;display:flex}.ci-ten-block{flex-direction:column;gap:2px;animation:.3s both fadeInUp;display:flex}.ci-ones-wrap{flex-wrap:wrap;gap:3px;max-width:60px;display:flex}.ci-unit-cube{border-radius:2px;animation:.25s cubic-bezier(.34,1.7,.64,1) both ciBounceIn;display:inline-block}.ci-unit-ten{background:var(--ink);border:1px solid var(--ci-unit-ten-edge);width:16px;height:16px}.ci-unit-one{background:var(--ink);border:1px solid var(--ci-unit-one-edge);width:16px;height:16px}.ci-blocks-plus{color:var(--muted);font-size:22px;font-weight:900}.ci-blocks-label{font-size:var(--type-eyebrow);color:var(--muted);font-weight:600}.ci-visual-numberline{flex-direction:column;align-items:center;gap:12px;width:100%;padding:0 8px;display:flex}.ci-numline-track{width:100%;height:48px;position:relative}.ci-numline-bar{background:var(--line-strong);border-radius:2px;height:3px;position:absolute;top:50%;left:0;right:0;transform:translateY(-50%)}.ci-numline-tick{flex-direction:column;align-items:center;gap:2px;animation:.3s both fadeInUp;display:flex;position:absolute;top:4px;transform:translate(-50%)}.ci-numline-mark{border-radius:2px;width:3px;height:18px}.ci-numline-num{font-size:var(--type-eyebrow);margin-top:2px;font-weight:600}.ci-visual-percent{flex-direction:column;align-items:center;gap:10px;display:flex}.ci-percent-grid{grid-template-columns:repeat(10,1fr);gap:2px;width:180px;display:grid}.ci-pct-cell{aspect-ratio:1;border-radius:2px;animation:.2s both ciBounceIn}.ci-visual-rectangle{flex-direction:column;align-items:center;gap:10px;display:flex}.ci-rect-outer{position:relative}.ci-rect-grid{border:2.5px solid var(--ink);background:var(--ink);border-radius:4px;gap:2px;padding:2px;display:grid}.ci-rect-cell{background:var(--paper);border-radius:2px;width:28px;height:28px;animation:.2s both ciBounceIn}.ci-rect-dim{color:var(--ink);font-size:13px;font-weight:800;position:absolute}.ci-rect-w{bottom:-22px;left:50%;transform:translate(-50%)}.ci-rect-h{top:50%;right:-20px;transform:translateY(-50%)rotate(90deg)}.ci-generic-emoji{font-size:80px;animation:.6s cubic-bezier(.34,1.7,.64,1) .3s both ciEmojiBounce}.ci-visual-caption{font-size:var(--type-meta);color:var(--muted);text-align:center;margin:0;line-height:1.5;animation:.4s 1.2s both fadeInUp}.ci-step-area{background:#ffffff94;border:1.5px solid #fffc;border-radius:16px;flex-direction:column;gap:12px;padding:16px 18px;display:flex}.ci-step-text{font-size:var(--type-body);color:var(--ink-soft);margin:0;line-height:1.65;animation:.35s both ciStepIn}@keyframes ciStepIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.ci-step-dots{justify-content:center;gap:6px;display:flex}.ci-step-dot{background:var(--violet);border-radius:50%;width:7px;height:7px;transition:background .2s,transform .2s}.ci-step-dot.active{background:var(--lantern);transform:scale(1.3)}.ci-actions{justify-content:center;display:flex}.ci-btn-next{background:var(--ink);color:var(--surface);font-size:var(--type-button-secondary);font-weight:700;font-family:var(--font-display);min-height:var(--tap-min,56px);cursor:pointer;box-shadow:0 5px 0 var(--ink-shadow);border:none;border-radius:999px;padding:14px 32px;transition:transform 80ms ease-out,box-shadow 80ms ease-out,background .15s}.ci-btn-next:active{box-shadow:none;transform:translateY(5px)}.ci-btn-go{background:var(--ink);color:var(--surface);font-size:var(--type-button);font-weight:800;font-family:var(--font-display);min-height:var(--tap-min,56px);cursor:pointer;box-shadow:0 5px 0 var(--ink-shadow);border:none;border-radius:999px;padding:16px 40px;transition:transform 80ms ease-out,box-shadow 80ms ease-out,background .15s;animation:.5s cubic-bezier(.34,1.56,.64,1) .1s both ciBounceIn}.ci-btn-go:active{box-shadow:none;transform:translateY(5px)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.badge-strip{-webkit-backdrop-filter:blur(12px);z-index:30;background:#ffffff1a;border-top:1px solid #ffffff2e;align-items:center;gap:10px;height:68px;padding:0 16px;display:flex;position:fixed;bottom:0;left:0;right:0}.badge-strip-label{opacity:.8;flex-shrink:0;font-size:18px}.badge-strip-scroll{scrollbar-width:none;-ms-overflow-style:none;flex:1;align-items:center;gap:8px;padding:4px 0;display:flex;overflow-x:auto}.badge-strip-scroll::-webkit-scrollbar{display:none}.practice-main{padding-bottom:80px}.badge-tile{cursor:default;background:#ffffff26;border:1.5px solid #ffffff4d;border-radius:16px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;transition:transform .15s,border-color .15s;display:flex;position:relative}.badge-tile:hover{transform:translateY(-2px)}.badge-tile.tier-junior{border-color:var(--tier-bronze);background:rgba(var(--tier-bronze-rgb),.15);box-shadow:0 0 6px rgba(var(--tier-bronze-rgb),.35)}.badge-tile.tier-star{border-color:var(--tier-silver);background:rgba(var(--tier-silver-rgb),.18);box-shadow:0 0 8px rgba(var(--tier-silver-rgb),.5)}.badge-tile.tier-wizard{border-color:var(--tier-gold);background:rgba(var(--tier-gold-rgb),.18);box-shadow:0 0 10px rgba(var(--tier-gold-rgb),.55)}.badge-tile-new{animation:.5s cubic-bezier(.34,1.56,.64,1) both badgeNewPop}@keyframes badgeNewPop{0%{opacity:0;transform:scale(.4)rotate(-15deg)}70%{transform:scale(1.15)rotate(5deg)}to{opacity:1;transform:scale(1)rotate(0)}}.badge-emoji{font-size:22px;line-height:1;display:block}.badge-anim-pulse{animation:2.2s ease-in-out infinite badgePulse}@keyframes badgePulse{0%,to{transform:scale(1)}50%{transform:scale(1.14)}}.badge-anim-glow{animation:1.9s ease-in-out infinite badgeGlow}@keyframes badgeGlow{0%,to{filter:drop-shadow(0 0 2px #fac8004d)}50%{filter:drop-shadow(0 0 8px #fac800e6)}}.badge-anim-spin{animation:4s linear infinite badgeSpin}@keyframes badgeSpin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.badge-anim-bounce{animation:2.6s ease-in-out infinite badgeBounce}@keyframes badgeBounce{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.badge-tooltip{background:var(--ink);color:var(--surface);white-space:nowrap;pointer-events:none;z-index:50;white-space:normal;border-radius:8px;min-width:140px;max-width:220px;padding:8px 10px;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);box-shadow:0 4px 16px #0000004d}.badge-tooltip:after{content:"";border:5px solid #0000;border-top-color:#0f0f1ef2;position:absolute;top:100%;left:50%;transform:translate(-50%)}.badge-tooltip-name{font-size:var(--type-body);color:var(--tier-gold);margin-bottom:3px;font-weight:800}.badge-tooltip-desc{font-size:var(--type-meta);opacity:.85;line-height:1.4}.badge-unlocked-item{align-items:center;gap:12px;display:flex}.badge-unlocked-item .badge-tile{background:#fff3;border-color:#fff6;flex-shrink:0}.familiarity-card{text-align:center;background:#fffffff7;border:1px solid #ffffffeb;border-radius:28px;width:100%;max-width:440px;padding:40px 32px;box-shadow:0 30px 80px -30px #00000080,0 8px 20px -6px #f5b33c26,0 0 0 1px #fffdf80f}.familiarity-icon{margin-bottom:12px;font-size:52px}.familiarity-title{font-size:var(--type-heading);color:var(--ink);margin:0 0 12px;font-weight:800}.familiarity-body{font-size:var(--type-body);color:var(--ink-soft);margin:0 0 28px;line-height:1.6}.familiarity-body strong{color:var(--ink)}.familiarity-btns{flex-direction:column;gap:12px;display:flex}.fam-btn{font-size:var(--type-button-secondary);cursor:pointer;border:none;border-radius:14px;padding:14px 20px;font-weight:700;transition:transform .12s,box-shadow .12s}.fam-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000026}.fam-btn:active{transform:translateY(0)}.fam-btn-yes{background:linear-gradient(135deg, var(--ink), var(--ink));color:var(--surface)}.fam-btn-no{background:var(--paper);color:var(--ink-soft)}.checkin-revision-btn{background:linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(135deg, var(--lantern), var(--ember)) border-box;cursor:pointer;text-align:left;width:100%;min-height:var(--tap-min,56px);border:2.5px solid #0000;border-radius:16px;align-items:center;gap:14px;margin-bottom:10px;padding:16px 20px;font-family:inherit;transition:all .2s;display:flex}.checkin-revision-btn:hover:not(:disabled){background:linear-gradient(135deg, var(--honey-light), var(--ember-light)) padding-box, linear-gradient(135deg, var(--lantern), var(--ember)) border-box;transform:translateY(-1px);box-shadow:0 4px 16px #f9731633}.checkin-revision-btn.active{background:linear-gradient(135deg, var(--honey-light), var(--ember-light)) padding-box, linear-gradient(135deg, var(--lantern), var(--ember)) border-box;box-shadow:0 6px 20px #f9731640}.checkin-revision-icon{flex-shrink:0;font-size:26px;line-height:1}.checkin-revision-text{flex-direction:column;flex:1;gap:2px;display:flex}.checkin-revision-title{font-size:var(--type-body);background:linear-gradient(135deg, var(--lantern), var(--ember));-webkit-text-fill-color:transparent;letter-spacing:-.3px;-webkit-background-clip:text;background-clip:text;font-weight:900}.checkin-revision-sub{font-size:var(--type-meta);color:var(--muted);font-weight:600}.checkin-revision-btn:disabled,.checkin-assessment-btn:disabled{opacity:1;cursor:default;box-shadow:none;background:#fff6;border-color:#241f3324;transform:none}.checkin-revision-btn:disabled .checkin-revision-title,.checkin-revision-btn:disabled .checkin-revision-sub,.checkin-assessment-btn:disabled .checkin-assessment-title,.checkin-assessment-btn:disabled .checkin-assessment-sub{color:var(--muted)}.checkin-revision-check{font-size:var(--type-body);background:linear-gradient(135deg, var(--lantern), var(--ember));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;flex-shrink:0;font-weight:900}.checkin-compact-row{gap:10px;margin-bottom:10px;display:flex}.checkin-compact-row .checkin-revision-btn,.checkin-compact-row .checkin-assessment-btn{flex:1;gap:8px;width:auto;margin-bottom:0;padding:12px}.checkin-compact-row .checkin-revision-icon,.checkin-compact-row .checkin-assessment-icon{font-size:20px}.checkin-compact-row .checkin-revision-sub,.checkin-compact-row .checkin-assessment-sub{line-height:1.3;display:block}.checkin-assessment-btn{background:linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(135deg, var(--ink), var(--ink)) border-box;cursor:pointer;text-align:left;width:100%;min-height:var(--tap-min,56px);border:2.5px solid #0000;border-radius:16px;align-items:center;gap:14px;margin-bottom:10px;padding:16px 20px;font-family:inherit;transition:all .2s;display:flex}.checkin-assessment-btn:hover{background:linear-gradient(135deg, var(--violet-light), var(--violet)) padding-box, linear-gradient(135deg, var(--violet-deep), var(--ink)) border-box;transform:translateY(-1px);box-shadow:0 4px 16px #8b5cf633}.checkin-assessment-btn.active{background:linear-gradient(135deg, var(--violet-light), var(--violet)) padding-box, linear-gradient(135deg, var(--violet-deep), var(--ink)) border-box;box-shadow:0 6px 20px #8b5cf647}.checkin-assessment-icon{flex-shrink:0;font-size:26px;line-height:1}.checkin-assessment-text{flex-direction:column;flex:1;gap:2px;display:flex}.checkin-assessment-title{font-size:var(--type-body);background:linear-gradient(135deg, var(--ink), var(--ink));-webkit-text-fill-color:transparent;letter-spacing:-.3px;-webkit-background-clip:text;background-clip:text;font-weight:900}.checkin-assessment-sub{font-size:var(--type-meta);color:var(--muted);font-weight:600}.checkin-assessment-check{font-size:var(--type-body);background:linear-gradient(135deg, var(--ink), var(--ink));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;flex-shrink:0;font-weight:900}.badge-reveal-section{text-align:center;margin:20px 0 8px}.badge-reveal-sparkle{margin-bottom:4px;font-size:28px;animation:1.4s ease-in-out infinite badgeSparkle;display:inline-block}@keyframes badgeSparkle{0%,to{opacity:.85;transform:scale(1)rotate(-8deg)}50%{opacity:1;transform:scale(1.25)rotate(8deg)}}.badge-reveal-headline{color:var(--surface);letter-spacing:-.3px;text-shadow:0 2px 12px #0000004d;margin:0 0 16px;font-size:19px;font-weight:900}.badge-reveal-list{flex-direction:column;gap:14px;display:flex}.badge-reveal-card{background:#ffffff1f;border:1.5px solid #ffffff4d;border-radius:20px;flex-direction:column;align-items:center;gap:10px;padding:20px 16px 16px;animation:.55s cubic-bezier(.34,1.56,.64,1) both badgeRevealPop;display:flex}@keyframes badgeRevealPop{0%{opacity:0;transform:scale(.3)rotate(-18deg)}65%{opacity:1;transform:scale(1.12)rotate(4deg)}82%{transform:scale(.96)rotate(-1deg)}to{opacity:1;transform:scale(1)rotate(0)}}.badge-reveal-tier-junior{border-color:var(--tier-bronze);box-shadow:0 4px 24px rgba(var(--tier-bronze-rgb),.35), inset 0 1px 0 #fff3;background:linear-gradient(135deg, rgba(var(--tier-bronze-rgb),.25), rgba(var(--tier-bronze-rgb),.08))}.badge-reveal-tier-star{border-color:var(--tier-silver);box-shadow:0 4px 24px rgba(var(--tier-silver-rgb),.4), inset 0 1px 0 #ffffff40;background:linear-gradient(135deg, rgba(var(--tier-silver-rgb),.25), rgba(var(--tier-silver-rgb),.08))}.badge-reveal-tier-wizard{border-color:var(--tier-gold);box-shadow:0 6px 28px rgba(var(--tier-gold-rgb),.5), 0 0 0 1px rgba(var(--tier-gold-rgb),.2), inset 0 1px 0 #ffffff4d;background:linear-gradient(135deg, rgba(var(--tier-gold-rgb),.28), #ffa5001a)}.badge-reveal-emoji-wrap{background:#ffffff26;border:2px solid #ffffff40;border-radius:50%;justify-content:center;align-items:center;width:88px;height:88px;display:flex;box-shadow:0 2px 16px #00000026}.badge-reveal-emoji{font-size:52px;line-height:1;display:block}.badge-reveal-name{font-size:var(--type-body);color:var(--surface);letter-spacing:-.2px;font-weight:900}.badge-reveal-desc{font-size:var(--type-meta);color:#ffffffc7;text-align:center;max-width:260px;font-weight:500;line-height:1.45}.badge-celeb-page{background:radial-gradient(ellipse at 50% 38%, var(--ink) 0%, var(--ink) 42%, var(--ink) 100%);z-index:9000;flex-direction:column;justify-content:center;align-items:center;padding:32px 24px;display:flex;position:fixed;inset:0;overflow:hidden}.badge-celeb-page:before{content:"";pointer-events:none;background:radial-gradient(circle,#8b5cf647 0%,#633ac824 45%,#0000 72%);border-radius:50%;width:520px;height:520px;animation:3.2s ease-in-out infinite celebBgPulse;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes celebBgPulse{0%,to{opacity:.65;transform:translate(-50%,-50%)scale(1)}50%{opacity:1;transform:translate(-50%,-50%)scale(1.25)}}.badge-celeb-burst{pointer-events:none;z-index:0;background:repeating-conic-gradient(#ffffff0e 0deg 10deg,#0000 10deg 20deg);border-radius:50%;width:420px;height:420px;animation:18s linear infinite celebBurstSpin;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes celebBurstSpin{to{transform:translate(-50%,-50%)rotate(360deg)}}.badge-celeb-body{text-align:center;z-index:1;flex-direction:column;align-items:center;gap:14px;width:100%;max-width:400px;animation:.5s ease-out both celebBodyIn;display:flex;position:relative}@keyframes celebBodyIn{0%{opacity:0;transform:translateY(32px)}to{opacity:1;transform:translateY(0)}}.badge-celeb-eyebrow{font-size:var(--type-eyebrow);letter-spacing:2px;text-transform:uppercase;color:#ffffff73;margin:0;font-weight:800}.badge-celeb-headline{color:var(--surface);letter-spacing:-.5px;text-shadow:0 0 40px #a78bfacc,0 2px 16px #0006;margin:0;font-size:clamp(26px,6vw,34px);font-weight:900;line-height:1.15;animation:3s ease-in-out .4s infinite celebHeadlineShine}@keyframes celebHeadlineShine{0%,to{text-shadow:0 0 40px #a78bfacc,0 2px 16px #0006}50%{text-shadow:0 0 70px #c8aaff,0 0 30px #ffffff80,0 2px 16px #0006}}.badge-celeb-emblem{background:radial-gradient(circle at 40% 38%,#ffffff2e 0%,#ffffff0f 100%);border:4px solid #ffffff59;border-radius:50%;justify-content:center;align-items:center;width:192px;height:192px;animation:.7s cubic-bezier(.34,1.56,.64,1) .1s both celebEmblemIn,2.6s ease-in-out .9s infinite celebEmblemGlow;display:flex;position:relative;box-shadow:0 0 60px #a78bfa8c,0 0 120px #8b5cf640,0 16px 48px #00000073,inset 0 2px #ffffff40}.nw-badge-art{position:relative}.nw-badge-art:after,.badge-celeb-emblem:after{content:"";pointer-events:none;z-index:-1;background:radial-gradient(circle,#f5b33c57 0%,#f5b33c1f 46%,#0000 72%);border-radius:50%;position:absolute;inset:-10%}.badge-celeb-emblem:before{content:"";pointer-events:none;z-index:2;background:conic-gradient(#0000 0% 50%,#ffffff26 62%,#fff9 72%,#fffffffa 80%,#fff9 88%,#ffffff26 95%,#0000 100%);border-radius:50%;animation:2s linear infinite celebShimmerArc;position:absolute;inset:-6px;-webkit-mask:radial-gradient(circle,#0000 84%,#000000b3 87%,#000 91%,#000000b3 95%,#0000 99%);mask:radial-gradient(circle,#0000 84%,#000000b3 87%,#000 91%,#000000b3 95%,#0000 99%)}@keyframes celebShimmerArc{to{transform:rotate(360deg)}}@keyframes celebEmblemIn{0%{opacity:0;transform:scale(.15)rotate(-25deg)}60%{transform:scale(1.14)rotate(7deg)}80%{transform:scale(.94)rotate(-2deg)}to{opacity:1;transform:scale(1)rotate(0)}}@keyframes celebEmblemGlow{0%,to{box-shadow:0 0 60px #a78bfa8c,0 0 120px #8b5cf640,0 16px 48px #00000073,inset 0 2px #ffffff40}50%{box-shadow:0 0 100px #a78bfae6,0 0 180px #8b5cf680,0 16px 48px #00000073,inset 0 2px #ffffff59}}.badge-celeb-tier-junior{border-color:var(--tier-bronze);box-shadow:0 0 60px rgba(var(--tier-bronze-rgb),.55), 0 0 120px rgba(var(--tier-bronze-rgb),.25), 0 16px 48px #00000073, inset 0 2px 0 #fff3;animation:.7s cubic-bezier(.34,1.56,.64,1) .1s both celebEmblemIn,2.6s ease-in-out .9s infinite celebEmblemGlowJr}@keyframes celebEmblemGlowJr{0%,to{box-shadow:0 0 60px rgba(var(--tier-bronze-rgb),.55), 0 0 120px rgba(var(--tier-bronze-rgb),.25), 0 16px 48px #00000073, inset 0 2px 0 #fff3}50%{box-shadow:0 0 110px rgba(var(--tier-bronze-rgb),1), 0 0 200px rgba(var(--tier-bronze-rgb),.5), 0 16px 48px #00000073, inset 0 2px 0 #ffffff4d}}.badge-celeb-tier-star{border-color:var(--tier-silver);box-shadow:0 0 60px rgba(var(--tier-silver-rgb),.65), 0 0 120px #dcdcff40, 0 16px 48px #00000073, inset 0 2px 0 #ffffff47;animation:.7s cubic-bezier(.34,1.56,.64,1) .1s both celebEmblemIn,2.4s ease-in-out .9s infinite celebEmblemGlowStar}@keyframes celebEmblemGlowStar{0%,to{box-shadow:0 0 60px rgba(var(--tier-silver-rgb),.65), 0 0 120px #dcdcff40, 0 16px 48px #00000073, inset 0 2px 0 #ffffff47}50%{box-shadow:0 0 120px #f0f0ff,0 0 200px #ffffff80,0 16px 48px #00000073,inset 0 2px #ffffff73}}.badge-celeb-tier-wizard{border-color:var(--tier-gold);box-shadow:0 0 72px rgba(var(--tier-gold-rgb),.75), 0 0 140px rgba(var(--tier-gold-rgb),.35), 0 16px 48px #00000073, inset 0 2px 0 #ffffff47;animation:.7s cubic-bezier(.34,1.56,.64,1) .1s both celebEmblemIn,2s ease-in-out .9s infinite celebEmblemGlowWizard}@keyframes celebEmblemGlowWizard{0%,to{box-shadow:0 0 72px rgba(var(--tier-gold-rgb),.75), 0 0 140px rgba(var(--tier-gold-rgb),.35), 0 16px 48px #00000073, inset 0 2px 0 #ffffff47}50%{box-shadow:0 0 130px rgba(var(--tier-gold-rgb),1), 0 0 240px rgba(var(--tier-gold-rgb),.7), 0 16px 48px #00000073, inset 0 2px 0 #ffffff73}}.badge-celeb-emoji{z-index:1;font-size:88px;line-height:1;display:block;position:relative}.badge-celeb-video{object-fit:cover;z-index:1;filter:drop-shadow(0 8px 24px #f5b33c66);border-radius:50%;width:190px;height:190px;display:block;position:relative}.badge-celeb-rotate{animation:2.8s ease-in-out infinite celebRotateIdle}@keyframes celebRotateIdle{0%{transform:rotate(-16deg)scale(1)}25%{transform:rotate(0)scale(1.1)}50%{transform:rotate(16deg)scale(1)}75%{transform:rotate(0)scale(1.1)}to{transform:rotate(-16deg)scale(1)}}.badge-celeb-emblem .badge-anim-glow{animation:1.7s ease-in-out infinite celebEmojiGlow}@keyframes celebEmojiGlow{0%,to{filter:drop-shadow(0 0 6px #fac80080)}50%{filter:drop-shadow(0 0 32px #fac800)drop-shadow(0 0 60px #ffdc32cc)}}.badge-celeb-emblem .badge-anim-spin{animation:2.8s linear infinite badgeSpin}.badge-celeb-emblem .badge-anim-bounce{animation:1.6s ease-in-out infinite celebEmojiBounce}@keyframes celebEmojiBounce{0%,to{transform:translateY(0)scale(1)}45%{transform:translateY(-22px)scale(1.08)}}.badge-celeb-emblem .badge-anim-pulse{animation:1.8s ease-in-out infinite celebEmojiPulse}@keyframes celebEmojiPulse{0%,to{transform:scale(1)}50%{transform:scale(1.28)}}.badge-celeb-name{font-size:var(--type-heading);color:var(--surface);letter-spacing:-.2px;text-shadow:0 1px 12px #0000004d;margin:0;font-weight:900}.badge-celeb-desc{font-size:var(--type-meta);color:#ffffffc7;max-width:290px;margin:0;font-weight:500;line-height:1.5}.badge-celeb-continue{color:var(--ink);font-size:var(--type-body);letter-spacing:-.2px;cursor:pointer;background:#fffffff7;border:none;border-radius:18px;margin-top:10px;padding:18px 48px;font-weight:900;transition:transform .15s,box-shadow .15s;animation:.5s ease-out .7s both celebBtnIn;box-shadow:0 4px 24px #00000047,0 0 #fff0}@keyframes celebBtnIn{0%{opacity:0;transform:translateY(16px)scale(.92)}to{opacity:1;transform:translateY(0)scale(1)}}.badge-celeb-continue:hover{transform:translateY(-3px)scale(1.03);box-shadow:0 8px 28px #00000052}.badge-celeb-continue:active{transform:translateY(0)scale(.98)}.badge-celeb-continue--quiet{min-height:var(--tap-min,56px);color:var(--surface);box-shadow:none;background:0 0;border:1.5px solid #ffffff61;margin-top:0;padding:10px 32px;font-weight:800}.badge-celeb-continue--quiet:hover{box-shadow:none;background:#ffffff14;transform:none}.badge-celeb-tappable{cursor:pointer;animation:1.4s ease-in-out infinite badgeTapPulse}@keyframes badgeTapPulse{0%,to{box-shadow:0 0 #ffc10000}50%{box-shadow:0 0 0 10px #ffc10059}}.badge-celeb-coin-prompt{background:var(--lantern);color:var(--ink);font-family:var(--font);font-size:var(--type-body);min-height:var(--tap-min,56px);box-shadow:0 5px 0 var(--lantern-shadow), 0 0 32px rgba(var(--lantern-rgb), .35);cursor:pointer;border:none;border-radius:18px;margin-top:10px;padding:14px 32px;font-weight:900;animation:.3s scaleIn}.badge-celeb-coin-prompt:hover{background:var(--lantern-hover)}.badge-celeb-coin-prompt:active{box-shadow:none;transform:translateY(5px)}.badge-celeb-coin-reveal{color:var(--honey-light);font-size:20px;font-weight:900;animation:.35s cubic-bezier(.175,.885,.32,1.275) scaleIn}.badge-celeb-coin-count{color:var(--lantern);font-size:24px;font-weight:900}.end-coins-row{font-size:var(--type-body);color:var(--honey-deep);opacity:0;background:#ffd2001a;border:1.5px solid #ffc1004d;border-radius:16px;align-items:center;gap:6px;padding:8px 18px;font-weight:800;transition:opacity .4s;display:flex}.end-coins-row.end-coins-revealed{opacity:1;animation:.45s cubic-bezier(.175,.885,.32,1.275) coinRowPop}@keyframes coinRowPop{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.end-coins-count{color:var(--ember-deep);font-size:20px;font-weight:900}.end-coins-label{font-size:var(--type-eyebrow);color:var(--honey-deep)}.coin-purse-fixed-corner{z-index:200;position:fixed;top:12px;right:12px}.assess-gate-page{justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.assess-gate-card{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);text-align:center;width:100%;max-width:500px;color:var(--surface);background:#ffffff1f;border:1.5px solid #ffffff4d;border-radius:20px;padding:40px 36px}.assess-gate-icon{margin-bottom:12px;font-size:56px}.assess-gate-title{letter-spacing:-.3px;margin-bottom:12px;font-size:26px;font-weight:900}.assess-gate-sub{font-size:var(--type-meta);color:#fffc;margin-bottom:24px;line-height:1.5}.assess-gate-info-list{flex-direction:column;gap:8px;margin:0 0 24px;padding:0;list-style:none;display:flex}.assess-gate-info-list li{font-size:var(--type-body);text-align:left;background:#ffffff1a;border-radius:10px;padding:10px 16px;font-weight:600}.assess-gate-mandatory{font-size:var(--type-meta);color:var(--ember);background:#ef444440;border:1px solid #ef444480;border-radius:12px;margin-bottom:20px;padding:12px 16px;font-weight:600}.assess-gate-actions{flex-direction:column;gap:10px;margin-bottom:16px;display:flex}.assess-gate-start-btn{width:100%;font-size:var(--type-button);padding:14px 24px}.assess-gate-postpone-btn{color:#ffffffbf;font-size:var(--type-button-secondary);cursor:pointer;background:0 0;border:1px solid #ffffff59;border-radius:12px;padding:11px 20px;font-weight:600;transition:background .15s,color .15s}.assess-gate-postpone-btn:hover{color:var(--surface);background:#ffffff1a}.assess-gate-back-btn{color:#ffffff80;font-size:var(--type-button-secondary);cursor:pointer;background:0 0;border:none;padding:6px 0;transition:color .15s}.assess-gate-back-btn:hover{color:#ffffffd9}.assess-nohint-notice{text-align:center;font-size:var(--type-meta);color:var(--ink);opacity:.75;letter-spacing:.1px;padding:10px 0 4px;font-weight:600}.assess-result-page{background:linear-gradient(160deg, var(--ink) 0%, var(--ink) 50%, #0e7490 100%);min-height:100vh;color:var(--surface);flex-direction:column;align-items:center;gap:28px;padding:36px 20px 60px;display:flex}.assess-result-hero{text-align:center;flex-direction:column;align-items:center;gap:6px;display:flex}.assess-result-emoji{font-size:72px;animation:.6s ease-out both heroEmojiPop}@keyframes heroEmojiPop{0%{opacity:0;transform:scale(0)rotate(-15deg)}70%{opacity:1;transform:scale(1.15)rotate(3deg)}to{opacity:1;transform:scale(1)rotate(0)}}.assess-result-score{letter-spacing:-2px;font-size:64px;font-weight:900;line-height:1;animation:.5s ease-out .3s both fadeSlideUp}.assess-result-score--partial{letter-spacing:-1px;text-align:center;text-wrap:balance;font-size:40px;line-height:1.1}.assess-result-level{font-size:var(--type-heading);opacity:.9;font-weight:700;animation:.5s ease-out .35s both fadeSlideUp}.assess-result-header{font-size:var(--type-meta);letter-spacing:.3px;opacity:.75;text-align:center;font-weight:700;animation:.5s ease-out .15s both fadeSlideUp}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.assess-result-scope{text-align:center;width:100%;max-width:480px;font-size:var(--type-meta);opacity:.75;padding:0 4px;line-height:1.5;animation:.5s ease-out .5s both fadeSlideUp}.assess-result-msg{font-size:var(--type-body);text-align:center;background:#ffffff14;border-radius:14px;width:100%;max-width:480px;padding:16px 20px;font-weight:600;line-height:1.5;animation:.5s ease-out .55s both fadeSlideUp}.assess-result-topics-wrap{width:100%;max-width:600px;animation:.5s ease-out .65s both fadeSlideUp}.assess-result-topics-title{font-size:var(--type-body);text-align:center;opacity:.85;margin-bottom:14px;font-weight:700}.assess-topic-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;display:grid}.assess-topic-card{border-radius:12px;flex-direction:column;gap:6px;padding:12px 14px;display:flex}.assess-topic-strong{background:rgba(var(--moss-rgb),.25);border:1px solid rgba(var(--moss-rgb),.4)}.assess-topic-ok{background:#eab30833;border:1px solid #eab30859}.assess-topic-needs-work{background:#ef444433;border:1px solid #ef444459}.assess-topic-name{font-size:var(--type-body);opacity:.9;font-weight:700;line-height:1.3}.assess-topic-pct{letter-spacing:-.5px;font-size:22px;font-weight:900}.assess-topic-bar{background:#ffffff26;border-radius:2px;height:4px;overflow:hidden}.assess-topic-fill{background:#ffffffb3;border-radius:2px;height:100%;transition:width .6s}.assess-topic-detail{font-size:var(--type-meta);opacity:.6}.assess-topic-untaught{background:#ffffff0f;border:1px dashed #ffffff40}.assess-topic-untaught-label{font-size:var(--type-meta);opacity:.6;font-weight:600;line-height:1.3}.assess-result-actions{flex-direction:column;align-items:center;gap:10px;width:100%;max-width:320px;animation:.5s ease-out .75s both fadeSlideUp;display:flex}.assess-result-actions .btn{width:100%;font-size:var(--type-button)}.assess-result-back-btn{color:#fff9!important;border-color:#ffffff40!important}.assess-result-back-btn:hover{color:var(--surface)!important;border-color:#ffffff8c!important}.assess-idk-btn{width:100%;color:var(--ink);font-size:var(--type-button-secondary);font-weight:700;font-family:var(--font);cursor:pointer;letter-spacing:.1px;background:#241f3314;border:1.5px solid #241f3366;border-radius:999px;padding:11px 20px;transition:background .15s,border-color .15s}.assess-idk-btn:hover{background:#241f3326;border-color:#241f33a6}.assess-idk-overlay{-webkit-backdrop-filter:blur(6px);z-index:9999;background:#0f0c23bf;justify-content:center;align-items:center;padding:16px;animation:.2s fadeIn;display:flex;position:fixed;inset:0}.assess-idk-modal{background:var(--ink);border:1px solid #8b5cf659;border-radius:20px;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:380px;padding:32px 28px 28px;animation:.25s slideUp;display:flex;box-shadow:0 20px 60px #00000080}.assess-idk-icon{font-size:48px;line-height:1}.assess-idk-heading{font-size:var(--type-heading);color:var(--surface);text-align:center;margin:0;font-weight:800}.assess-idk-subtext{font-size:var(--type-body);color:#ffffffa6;text-align:center;margin:0;line-height:1.5}.assess-idk-subtext strong{color:var(--ink);font-weight:700}.assess-idk-choices{flex-direction:column;gap:10px;width:100%;margin-top:6px;display:flex}.assess-idk-choice{cursor:pointer;font-family:var(--font);font-size:var(--type-body);text-align:left;border:1.5px solid #0000;border-radius:12px;align-items:center;gap:12px;padding:14px 16px;font-weight:700;transition:background .15s,border-color .15s,transform .1s;display:flex}.assess-idk-choice:active{transform:scale(.98)}.assess-idk-choice--hard{background:rgba(var(--moss-rgb), .12);border-color:rgba(var(--moss-rgb), .35);color:var(--moss-mid)}.assess-idk-choice--hard:hover{background:rgba(var(--moss-rgb), .22);border-color:rgba(var(--moss-rgb), .6)}.assess-idk-choice--gap{color:var(--honey);background:#f59e0b1a;border-color:#f59e0b59}.assess-idk-choice--gap:hover{background:#f59e0b33;border-color:#f59e0b99}.assess-idk-choice-icon{flex-shrink:0;font-size:24px}.assess-idk-choice-label{line-height:1.35;display:block}.assess-idk-choice-sub{font-size:var(--type-meta);opacity:.85;margin-top:3px;font-weight:500;line-height:1.35;display:block}.problem-series-badge{background:linear-gradient(135deg, var(--moss-light) 0%, var(--moss-mid) 100%);border:1.5px solid var(--district-multiplication,var(--moss));color:var(--moss-deep);font-family:var(--font-mono);font-size:var(--type-eyebrow);letter-spacing:.08em;text-transform:uppercase;border-radius:999px;flex-shrink:0;align-items:center;padding:4px 12px;font-weight:600;line-height:1;display:inline-flex}.problem-series-label{white-space:nowrap}.problem-scenario-part{background:linear-gradient(135deg, var(--moss-light) 0%, var(--moss-mid) 100%);border:1.5px solid var(--district-multiplication,var(--moss));color:var(--moss-deep);font-family:var(--font-mono);font-size:var(--type-eyebrow);letter-spacing:.08em;text-transform:uppercase;white-space:nowrap;border-radius:999px;flex-shrink:0;align-items:center;padding:4px 12px;font-weight:600;line-height:1;display:inline-flex}.scenario-pin{border-left:3px solid var(--district-multiplication,var(--moss));background:var(--moss-light);border-radius:0 12px 12px 0;margin:4px 0 14px;padding:10px 14px}.scenario-story{font-size:var(--type-body);color:var(--ink);margin:0;line-height:1.5}.scenario-done{flex-direction:column;gap:4px;margin:8px 0 0;padding:0;list-style:none;display:flex}.scenario-done-part{font-size:var(--type-eyebrow);font-family:var(--font-mono);color:var(--ink-soft);align-items:baseline;gap:8px;display:flex}.scenario-done-label{font-weight:700}.scenario-done-part.is-right .scenario-done-mark{color:var(--moss-deep);font-weight:700}.scenario-done-part.is-wrong .scenario-done-given{opacity:.7;text-decoration:line-through}.scenario-done-part.is-wrong .scenario-done-mark{color:var(--ember);font-weight:700}.scenario-done-correct{opacity:.85}.checkin-offline-label{letter-spacing:.01em;font-weight:700}.checkin-time-btn.selected,.checkin-mood-seg.selected{box-shadow:0 5px 0 var(--lantern-shadow), 0 0 0 3px rgba(var(--lantern-rgb), .32)}.checkin-time-btn.selected:active,.checkin-mood-seg.selected:active,.checkin-mood-seg:active,.checkin-time-btn:active{box-shadow:none;transform:translateY(5px)}.checkin-time-btn,.checkin-mood-seg,.checkin-start-btn{transition:transform 80ms ease-out,box-shadow 80ms ease-out,background .15s,color .15s,border-color .15s,flex .15s}.checkin-start-btn{background:var(--lantern);color:var(--ink);font-family:var(--font-display);font-size:var(--type-heading);min-height:66px;box-shadow:0 5px 0 var(--lantern-shadow);border-radius:22px;font-weight:800}.checkin-start-btn:active:not(:disabled){box-shadow:none;transform:translateY(5px)}.checkin-start-btn:hover:not(:disabled){background:var(--lantern-hover);opacity:1;transform:none}@media (width<=400px){.checkin-time-btn{font-size:var(--type-meta);padding:12px 6px}}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.ci-card{background:var(--surface);border:1px solid var(--line)}.ci-step-area{background:var(--paper);border-color:var(--line)}}@media (prefers-reduced-transparency:reduce){.ci-card{background:var(--surface);border:1px solid var(--line);-webkit-backdrop-filter:none;backdrop-filter:none}.ci-step-area{background:var(--paper);border-color:var(--line)}}.ci-visual-coins{flex-direction:column;align-items:center;gap:10px;display:flex}.ci-coins-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:12px;display:flex}.ci-note{width:74px;height:44px;font-family:var(--font-mono);color:var(--moss-deep);border:2px solid var(--moss);background:#d7f0e2;border-radius:6px;justify-content:center;align-items:center;font-weight:700;display:flex}.ci-coins-eq{color:var(--ink-soft);font-size:20px;font-weight:800}.ci-dimes{grid-template-columns:repeat(5,1fr);gap:5px;display:grid}.ci-dime{width:38px;height:38px;color:var(--ink-soft);background:#e9e7e2;border:2px solid #b9b5ad;border-radius:50%;justify-content:center;align-items:center;font-size:13px;font-weight:700;animation:.3s both ciPieIn;display:flex}.ci-visual-grid{flex-direction:column;align-items:center;gap:10px;display:flex}.ci-grid{gap:2px;display:grid}.ci-grid-cell{border:1px solid var(--line);background:#ffffff8c;border-radius:3px;width:26px;height:26px;animation:.28s both ciPieIn}.ci-grid-cell.path{background:var(--honey-light);border-color:var(--honey)}.ci-grid-cell.point{background:var(--lantern);border-color:var(--lantern-shadow)}.ci-visual-balance{flex-direction:column;align-items:center;gap:8px;display:flex}.ci-balance{width:120px;height:auto;transform:none}.ci-motif{object-fit:contain;border-radius:14px;align-self:center;width:84px;height:84px}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.problem-card,.math-chip,.submit-btn:disabled,.lifeline-btn{background:var(--surface);border:1px solid var(--line)}.lifeline-btn:before{background:linear-gradient(#f5b33c33,#0000 78%)}}@media (prefers-reduced-transparency:reduce){.problem-card,.math-chip,.lifeline-btn,.submit-btn:disabled{background:var(--surface);border:1px solid var(--line);-webkit-backdrop-filter:none;backdrop-filter:none}.lifeline-btn:before{background:linear-gradient(#f5b33c33,#0000 78%)}}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.end-card{background:var(--dusk-mid);border:1px solid #ffffff38}.end-btn--glass{background:#ffffff24}}@media (prefers-reduced-transparency:reduce){.end-card,.end-btn--glass{-webkit-backdrop-filter:none;backdrop-filter:none}.end-card{background:var(--dusk-mid);border:1px solid #ffffff38}.end-btn--glass{background:#ffffff24}}.concept-card--deepdive{border:1px solid color-mix(in srgb, var(--favc-primary) 42%, transparent);-webkit-backdrop-filter:blur(18px)saturate(1.4);backdrop-filter:blur(18px)saturate(1.4);color:var(--surface);background:linear-gradient(#ffffff1a,#ffffff0d)}.concept-card--deepdive .concept-strategy,.concept-card--deepdive .concept-step-text{color:var(--favc-light)}.concept-card--deepdive .concept-wrong-label,.concept-card--deepdive .concept-encourage{color:var(--favc-glow)}.concept-card--deepdive .concept-encourage{border-color:color-mix(in srgb, var(--favc-glow) 34%, transparent);background:#ffffff14}.concept-card--deepdive .concept-wrong-label{background:color-mix(in srgb, var(--favc-primary) 26%, transparent);border:1px solid color-mix(in srgb, var(--favc-glow) 40%, transparent)}.concept-card--deepdive .concept-glossary{background:#ffffff14;border:1px solid #ffffff2e}.concept-card--deepdive .concept-glossary__label,.concept-card--deepdive .concept-glossary__term,.concept-card--deepdive .concept-glossary__sep{color:var(--honey-light)}.concept-card--deepdive .concept-glossary__item,.concept-card--deepdive .concept-glossary__def{color:#fffdf8db}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.concept-card--deepdive{background:var(--dusk-mid)}}@media (prefers-reduced-transparency:reduce){.concept-card--deepdive{background:var(--dusk-mid);-webkit-backdrop-filter:none;backdrop-filter:none}}.end-coins-row{color:var(--honey-light);background:#ffffff1a;border:1.5px solid #ffffff42}.end-coins-count{color:var(--lantern)}.end-coins-label{color:#fffdf8d1}.star{color:#ffffff75}.badge-reveal-desc{color:var(--surface)}.badge-reveal-card{background:linear-gradient(135deg,#ffffff1a,#ffffff0d)}@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.hint-panel{background:var(--surface);border:1px solid var(--line)}}@media (prefers-reduced-transparency:reduce){.hint-panel{background:var(--surface);border:1px solid var(--line);-webkit-backdrop-filter:none;backdrop-filter:none}}.hint-anim-decomp{flex-direction:column;align-items:center;gap:6px;display:flex}.hint-anim-label{font-size:var(--type-meta);color:var(--ink-soft);text-align:center;font-weight:600}.hint-anim-step{font-size:var(--type-body);color:var(--ink);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;font-weight:700;display:flex}.hint-anim-step-eq strong{color:var(--ember-deep);font-weight:900}.hint-anim-step-arrow{color:var(--muted);font-weight:900}.end-save-error{background:rgba(var(--ember-rgb), .18);border:1px solid rgba(var(--ember-rgb), .55);border-radius:16px;flex-direction:column;align-items:center;gap:12px;width:100%;padding:14px 16px;display:flex}.end-save-error__text{font-size:var(--type-body);color:var(--honey-light);text-align:center;margin:0;font-weight:700;line-height:1.45}.end-save-error__retry{width:auto;min-width:200px}.feedback-label{font-size:var(--type-heading);letter-spacing:-.3px;text-align:center;font-weight:900}.feedback-label--correct{color:var(--moss-light)}.feedback-label--wrong{color:var(--honey-light)}.feedback-label--idk{color:#fffdf8e0}@media (prefers-reduced-motion:reduce){.hint-anim-svg circle{transition:none!important}}.resume-offer{background:var(--honey-light);border:1px solid var(--honey);border-radius:18px;flex-direction:column;gap:14px;max-width:560px;margin:0 auto 18px;padding:18px 20px;display:flex}.resume-offer__text{color:var(--ink);margin:0;font-size:18px;line-height:1.5}.resume-offer__actions{flex-wrap:wrap;gap:12px;display:flex}.resume-offer__btn{flex:auto;min-height:56px}.end-enjoy{text-align:center;background:#ffffff1a;border:1.5px solid #ffffff38;border-radius:18px;max-width:420px;margin:4px auto 18px;padding:18px 16px 16px;position:relative}.end-enjoy__q{font-size:var(--type-button-secondary,18px);color:var(--surface);margin:0 0 12px;font-weight:700}.end-enjoy__row{justify-content:center;gap:12px;display:flex}.end-enjoy__btn{max-width:160px;min-height:var(--tap-min,56px);color:var(--surface);cursor:pointer;background:#ffffff1f;border:1.5px solid #ffffff47;border-radius:14px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;padding:8px 12px;display:flex}.end-enjoy__btn:active{transform:translateY(1px)}.end-enjoy__thumb{font-size:24px;line-height:1.1}.end-enjoy__label{font-size:var(--type-button-secondary,18px);font-weight:700}.end-enjoy__close{min-width:var(--tap-min,56px);min-height:var(--tap-min,56px);cursor:pointer;color:#ffffffb3;background:0 0;border:0;justify-content:center;align-items:center;font-size:15px;display:inline-flex;position:absolute;top:2px;right:2px}.end-review{max-width:420px;margin:10px auto 4px}.end-review__all{text-align:center;font-size:var(--type-button-secondary,18px);color:#ffffff9e;margin:0}.end-review__toggle{width:100%;min-height:var(--tap-min,56px);color:#ffffffbf;font-size:var(--type-button-secondary,18px);cursor:pointer;background:0 0;border:0;border-top:1px solid #ffffff29;justify-content:center;align-items:center;gap:8px;font-weight:600;display:flex}.end-review__toggle:hover{color:var(--surface)}.end-review__chev{opacity:.7}.end-feedback{opacity:.75;justify-content:center;margin-top:10px;display:flex}.feedback-why{text-align:left;background:#ffffff14;border:1.5px solid #fff3;border-radius:14px;max-width:460px;margin:10px auto 6px;padding:12px 16px;display:block}.feedback-why__title{font-size:var(--type-button-secondary,18px);color:var(--surface);margin-bottom:4px;font-weight:700;display:block}.feedback-why__text{font-size:var(--type-body,18px);color:#ffffffdb;line-height:1.5;display:block}@media (width<=599px){.practice-page .answer-area{z-index:3;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:linear-gradient(180deg, #19152400 0%, var(--dusk-base) 26%);position:fixed;bottom:0;left:0;right:0}.practice-page{padding-bottom:280px}.practice-page .problem-card{-webkit-backdrop-filter:none;backdrop-filter:none;animation:.25s libSourceFadeIn}}.fam-btn{min-height:var(--tap-min,56px)}.bt{flex-direction:column;align-items:stretch;gap:6px;display:flex}.bt__row{align-items:center;gap:8px;min-height:30px;display:flex}.bt__row-label{text-align:right;font-family:var(--font-display);font-weight:800;font-size:var(--type-meta);color:var(--ink);flex:0 0 3.4em}.bt__blocks{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.bt__rods,.bt__ones{flex-wrap:wrap;gap:3px;display:flex}.bt__ones{max-width:52px}.bt__rod{border:1.5px solid var(--ink);border-radius:3px;flex-direction:column;gap:1px;padding:1px;display:flex}.bt__rod-seg{background:var(--lantern);width:8px;height:2px}.bt__one{border:1.5px solid var(--ink);background:var(--lantern);border-radius:2px;width:8px;height:8px}.bt__one--becomes{box-shadow:0 0 0 2px var(--ink)}.bt__one--leaves{animation:.5s ease-in-out .1s both bt-leaves}@keyframes bt-leaves{0%{transform:none}55%{transform:translateY(-9px)scale(1.15)}to{opacity:.75;transform:translateY(-3px)}}.bt__rod--gone,.bt__one--gone{opacity:.5;background-image:linear-gradient(to top right, transparent 42%, var(--ink) 42%, var(--ink) 58%, transparent 58%)}.bt__rod--gone{background-image:none;border-style:dashed;position:relative}.bt__rod--gone .bt__rod-seg{background:var(--muted);opacity:.45}.bt__rod--gone:after{content:"";background:linear-gradient(to top right, transparent 44%, var(--ink) 44%, var(--ink) 56%, transparent 56%);opacity:.55;position:absolute;inset:-1px}.bt__stage-label{font-size:var(--type-meta);color:var(--muted);padding-left:calc(3.4em + 8px);font-weight:700}.bt__rod--settles,.bt__one--settles{animation:.34s ease-out both bt-settle}.bt__one--opened{animation:.42s cubic-bezier(.2,.7,.3,1) both bt-open}@keyframes bt-settle{0%{opacity:0;transform:translateY(-8px)scale(.9)}to{opacity:1;transform:none}}@keyframes bt-open{0%{opacity:.2;transform:translate(-14px)scaleY(3.2)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.bt__rod--settles,.bt__one--settles,.bt__one--opened,.bt__one--leaves{animation:none}}.feedback-nudge{background:var(--paper);border:1px solid var(--line);text-align:left;border-radius:16px;align-items:flex-start;gap:10px;margin:10px 0 2px;padding:12px 14px;display:flex}.feedback-nudge__icon{flex:none;font-size:20px;line-height:1.2}.feedback-nudge__text{font-size:var(--type-body);color:var(--ink-soft);line-height:1.45}.feedback-nudge--break{background:var(--violet-light)}.feedback-reveal-btn{color:#fffdf8c7;min-height:44px;font-family:inherit;font-size:var(--type-meta);cursor:pointer;background:0 0;border:1px solid #ffffff4d;border-radius:999px;padding:8px 18px;font-weight:600}.feedback-reveal-btn:hover{color:var(--surface);border-color:#ffffff8c}.concept-answer-reveal{font-size:var(--type-body);color:#fffdf8d1;margin-top:4px;font-weight:600}@media (width<=599px){.practice-page{--type-eyebrow:14px;--type-meta:16px;--type-body:17px;--type-button-secondary:17px;--type-button:18px;--type-heading:20px;--type-answer:30px;--tap-min:44px;padding-bottom:16px}.practice-page:has(.answer-area){padding-bottom:134px}.practice-page:has(.answer-area .idk-confirm-row){padding-bottom:192px}.practice-page .practice-header{grid-template-columns:auto 1fr auto auto;grid-template-rows:var(--tap-min,56px) var(--tap-min,56px) auto;align-items:center;gap:6px 8px;padding:8px 12px 0;display:grid}.practice-page .practice-header-right{display:contents}.practice-page .practice-child-badge{display:none}.practice-page .practice-back-btn{white-space:nowrap;grid-area:1/1;padding:0 10px}.practice-page .practice-header .fb-trigger{grid-area:1/2;justify-self:end}.practice-page .practice-header .lang-toggle{grid-area:1/3}.practice-page .practice-header .coin-pouch{grid-area:1/4}.practice-page .practice-counter{grid-area:2/1/auto/3;justify-self:end;padding:6px 12px}.practice-page .practice-pause-btn{white-space:nowrap;grid-area:2/3/auto/5;justify-self:end;padding:0 14px}.practice-page .practice-timer-bar{grid-area:3/1/auto/-1}.practice-page .practice-header .lang-toggle-btn{min-width:var(--tap-min,56px);justify-content:center;padding:0 8px}.practice-page .practice-header .lang-toggle-btn>span:not(.lang-toggle-flag){clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.practice-page .practice-main{justify-content:flex-start;gap:4px;padding:6px 12px 0}.practice-page .live-score-bar{gap:14px;padding:2px 14px}.practice-page .problem-card{border-radius:20px;gap:8px;padding:10px 16px}.practice-page .problem-question-line{letter-spacing:-.5px;font-size:24px;font-weight:800;line-height:1.25}.practice-page .problem-question-prose .problem-question-line,.practice-page .problem-question-prose .problem-question-line.subline,.practice-page .problem-question-line.subline{font-size:var(--type-body);letter-spacing:0;font-weight:700;line-height:1.35}.practice-page .scenario-pin{margin:0;padding:6px 12px}.practice-page .scenario-story{line-height:1.4}.practice-page .session-progress-count{line-height:1.2}.practice-page .problem-card .tape{padding:4px 14px}.practice-page .hint-wrap{margin:0}.practice-page .lifeline-btn{border-radius:999px;flex-direction:row;gap:8px;padding:4px 16px}.practice-page .lifeline-btn .numble__img{width:32px;height:32px}.practice-page .answer-area{padding:8px 16px calc(8px + env(safe-area-inset-bottom));grid-template-columns:1fr auto;gap:8px;display:grid}.practice-page .answer-area>*{grid-column:1/-1}.practice-page .answer-area:has(>.idk-btn,>.assess-idk-btn)>.submit-btn{grid-column:1}.practice-page .answer-area>.idk-btn,.practice-page .answer-area>.assess-idk-btn{grid-column:2;align-self:stretch;min-height:48px}.practice-page .answer-input{min-height:48px;font-size:var(--type-answer);border-width:2px;padding:4px 12px}.practice-page .answer-area .btn{min-height:48px;font-size:var(--type-button);padding:8px 20px}.practice-page .idk-btn{white-space:nowrap;padding:0 14px}.practice-page .answer-area>.idk-btn{color:#fffaf0d1;border-color:#fffaf052}.practice-page .answer-area .idk-confirm-row .idk-btn{white-space:normal;flex:1 1 0;min-width:0;min-height:48px;padding:4px 10px;line-height:1.15}.practice-page .answer-area .idk-btn--cancel{background:rgba(var(--moss-rgb), .22);border-color:var(--moss-mid);color:var(--moss-mid)}.practice-page .answer-area .idk-btn--confirm{color:#fffaf0e6;background:#fffaf014;border-color:#fffaf066}.practice-page .choice-btn{font-size:var(--type-button);min-height:var(--tap-min,56px);padding:8px}}@media (width<=599px) and (pointer:coarse){.practice-page:has(.answer-area .math-chip){padding-bottom:180px}}
