.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.streak-chip{display:inline-flex;align-items:center;gap:4px;min-height:44px;min-width:44px;padding:0 12px;margin-left:auto;border-radius:999px;color:var(--text);font-weight:800;font-size:14px;white-space:nowrap;border:1px solid transparent}.streak-chip:hover{background:var(--panel-2)}.streak-chip b{font-weight:800}.streak-chip.at-risk{color:var(--gold-text);border-color:color-mix(in srgb,var(--gold) 70%,transparent);background:color-mix(in srgb,var(--gold) 14%,var(--panel))}.chip-risk{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.03em}.streak-chip.guarded{border-color:color-mix(in srgb,var(--blue) 55%,transparent)}.chip-freeze{color:var(--blue);font-size:13px}.streak-chip+.feedback-link{margin-left:4px}@media (max-width: 640px){.streak-chip{padding:0 10px}.topbar .streak-chip+.feedback-link{margin-left:0}.topbar:has(.streak-chip) .beta-chip{display:none}}@media (max-width: 360px){.chip-risk{display:none}}.tab-badge{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 6px;margin-left:6px;border-radius:999px;background:var(--accent-2);color:var(--on-accent);font-size:12px;font-weight:800;line-height:1}.ring.gold .ring-fg{stroke:var(--gold)}.goal-ring{flex:none}.goal-ring .ring-label span{font-size:11px;white-space:nowrap}.level-bar{display:flex;flex-direction:column;gap:4px;min-width:0}.level-head{display:flex;justify-content:space-between;gap:8px;font-size:14px}.level-head .muted{font-size:13px;white-space:nowrap}.level-meter{height:8px;margin:0}.level-meter>div{background:var(--gold)}.week-dots{list-style:none;margin:0;padding:0;display:flex;gap:6px}.week-dots li{display:flex;flex-direction:column;align-items:center;gap:2px}.week-dots .dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--border-strong);display:grid;place-items:center;font-size:12px;line-height:1;box-sizing:border-box}.week-dots .wd-active .dot{background:var(--accent);border-color:var(--accent)}.week-dots .wd-freeze .dot,.week-dots .wd-repair .dot{background:var(--blue-soft);border-color:var(--blue);color:var(--blue)}.week-dots .wd-future .dot{opacity:.45;border-style:dashed}.week-dots .wd-today .dot{box-shadow:0 0 0 2px var(--bg),0 0 0 4px var(--gold)}.week-dots .dot-label{font-size:12px;color:var(--muted)}.week-dots .wd-today .dot-label{color:var(--text);font-weight:800}.freezes{font-size:14px;display:flex;gap:8px;align-items:baseline}.freezes>span:first-child{color:var(--blue);font-size:16px;letter-spacing:2px}.notices{position:fixed;z-index:40;top:calc(64px + env(safe-area-inset-top));left:50%;transform:translate(-50%);width:min(520px,calc(100% - 32px));pointer-events:none}@media (max-width: 640px){.notices{top:calc(56px + env(safe-area-inset-top))}}.notice{pointer-events:none;display:flex;align-items:center;gap:8px;padding:6px 6px 6px 14px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border-strong);box-shadow:0 8px 24px var(--shadow);font-size:14px;font-weight:700;animation:pop .25s cubic-bezier(.34,1.56,.64,1)}.notice>span{flex:1}.notice.freeze,.notice.earned{border-color:var(--blue)}.notice.welcome,.notice.repaired,.notice.milestone{border-color:color-mix(in srgb,var(--gold) 70%,var(--border))}.notice-x{pointer-events:auto;background:none;border:none;color:var(--muted);font-size:20px;min-width:44px;min-height:44px;justify-content:center}@media (prefers-reduced-motion: reduce){.notice{animation:none}}.engage-strip{display:flex;flex-direction:row;align-items:center;gap:16px;padding:12px 16px}.engage-strip .ring-wrap{cursor:pointer}.strip-text{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}.plan-hero h2{font-size:20px}.plan-sub{margin:4px 0 0}.plan-sub.risk{color:var(--gold-text);font-weight:700}.plan-sub.freeze{color:var(--text);font-weight:700}.plan-hero.freeze-risk{border-color:color-mix(in srgb,var(--blue) 50%,var(--border))}.plan-hero.at-risk{border-color:color-mix(in srgb,var(--gold) 60%,var(--border));background:linear-gradient(135deg,color-mix(in srgb,var(--gold) 14%,var(--panel)),var(--panel) 65%)}.plan-chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.plan-chips li{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;padding:3px 10px 3px 4px;border-radius:999px;background:var(--panel-2);color:var(--text);border:1px solid transparent}.plan-chips .plan-check{flex:none;width:18px;height:18px;border-radius:50%;border:2px solid var(--border-strong);display:grid;place-items:center;font-size:11px;font-weight:900;color:var(--on-accent);box-sizing:border-box}.plan-chips .ps-cur{border-color:var(--accent);background:var(--accent-soft)}.plan-chips .ps-cur .plan-check{border-color:var(--accent)}.plan-chips .ps-done{color:var(--muted)}.plan-chips .ps-done .plan-check{background:var(--accent);border-color:var(--accent)}.plan-chip{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:800;padding:2px 10px;border-radius:999px;background:var(--panel-2)}.plan-chip.risk{color:var(--gold-text);background:color-mix(in srgb,var(--gold) 18%,var(--panel))}.plan-chip.freeze{color:var(--text);border:1px solid color-mix(in srgb,var(--blue) 55%,transparent)}.plan-hero .row-actions .big-btn{min-width:200px}.mini-board.skeleton{aspect-ratio:1;border-radius:8px;background:var(--panel-2)}@media (max-width: 700px){.plan-hero{grid-template-columns:92px minmax(0,1fr);grid-template-areas:"board head" "steps steps" "actions actions";gap:12px;padding:14px;align-items:center}.plan-hero .hero-board{grid-area:board;width:92px;max-width:none;margin:0}.plan-hero .hero-board .mini-board{border-radius:8px}.plan-hero .hero-text{display:contents}.plan-hero .hero-text>div:first-child{grid-area:head}.plan-hero .plan-chips{grid-area:steps}.plan-hero .row-actions{grid-area:actions}.plan-hero .row-actions .big-btn{flex:1 1 100%}.plan-hero h2{font-size:18px}.engage-strip{gap:12px;padding:10px 12px}.week-dots{gap:4px}}.more-links a{min-height:44px;display:inline-flex;align-items:center}.course-card .course-title{color:var(--text);font-weight:700;min-height:44px;display:inline-flex;align-items:center}.course-card .course-title:hover{text-decoration:underline}.tile-link{display:inline-flex;align-items:center;min-height:44px;min-width:44px}.plan-hero .row-actions .see-all{min-height:44px}.pick-opening p{margin:0 0 6px}.pick-opening a.card{color:var(--text)}.engage-card{display:flex;flex-direction:column;gap:12px;margin-bottom:12px}.engage-top{display:flex;align-items:center;gap:16px}.engage-ring{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:12px;flex:none}.xp-tally>summary{cursor:pointer;font-size:14px;color:var(--muted);min-height:44px;display:flex;align-items:center;gap:4px;list-style:none}.xp-tally>summary::-webkit-details-marker{display:none}.xp-tally>summary:after{content:"▾"}.xp-tally[open]>summary{color:var(--text)}.xp-tally[open]>summary:after{content:"▴"}.engage-week>.freezes{flex-direction:row;flex-wrap:wrap;align-items:center;gap:6px}.engage-week>.freezes .info-d[open]{flex-basis:100%}.engage-week{display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:flex-end}.engage-week>div{display:flex;flex-direction:column;gap:6px}.small-note{font-size:13px;margin:0}.reminder-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}.carry-msg{overflow-wrap:anywhere}.proof-chip{display:inline-block;margin-left:6px;font-size:12px;font-weight:800;color:var(--muted);background:var(--panel-2);padding:1px 8px;border-radius:999px;white-space:nowrap}.course-card .course-trap{display:inline-block;font-size:12px;margin-top:4px;padding:1px 8px;color:var(--accent-2)}.home-more{margin-top:-4px}@media (pointer: coarse){.check-row{min-height:44px}.settings input:not([type=checkbox]),.remind-sheet input:not([type=checkbox]){min-height:44px}}.tp{display:grid;gap:10px;grid-template-columns:minmax(0,1fr);grid-template-areas:"top" "board" "status" "actions" "more" "end" "foot" "space";width:100%}.tp>.action-bar-space{grid-area:space}.tp-end{grid-area:end;min-width:0}.tp-foot{grid-area:foot;min-width:0}.tp-top{grid-area:top;display:flex;flex-direction:column;gap:6px;min-width:0}.tp-board{grid-area:board;min-width:0}.tp-board .board-row{justify-content:center}.tp-status{grid-area:status;display:flex;flex-direction:column;gap:8px;min-width:0}.tp-actions{grid-area:actions;display:flex;gap:8px;flex-wrap:wrap;align-items:center;scroll-margin-bottom:76px}.tp-actions:empty{display:none}.tp-more{grid-area:more;display:flex;gap:4px 16px;flex-wrap:wrap;align-items:center;font-size:14px}.tp-more a{padding:10px 0}.tp-prompt{font-size:18px;font-weight:800;line-height:1.3}.tp-caption,.tp.is-solved .tp-prompt{color:var(--gold)}.tp-status p{margin:0}.tp-blunder{font-size:14px;line-height:1.45}.tp-mark{color:var(--red);white-space:nowrap}.tp-how{display:inline;padding:0 0 0 2px;color:var(--accent-2);font-weight:700;min-height:0}button.link.tp-how{padding:12px 0;margin:-12px 0;min-height:0}.tp-line{font-size:14px}.tp-msg{font-size:14px;font-weight:700;padding:8px 12px;border-radius:var(--radius);animation:fadeIn .15s ease-out}.tp-msg.bad{background:var(--red-soft);color:var(--red)}.tp-msg.good{background:var(--accent-soft);color:var(--accent-2)}.tp-msg.hint{background:var(--panel-2);color:var(--text)}.tp-promo{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-weight:700}.tp-promo button{width:48px;height:48px;padding:4px;justify-content:center}.tp-promo img{width:36px;height:36px}.tp-win{display:flex;flex-direction:column;gap:6px;animation:pop .3s cubic-bezier(.34,1.56,.64,1) both;scroll-margin-bottom:96px}.tp-payoff{font-size:16px;font-weight:700}.tp-xp{align-self:flex-start;font-weight:800;color:var(--on-accent);background:var(--gold);padding:2px 10px;border-radius:999px;font-size:14px;animation:starPop .6s cubic-bezier(.34,1.56,.64,1) .35s both}.tp-xp.quiet{background:var(--panel-2);color:var(--muted);animation:none}.tp-rewards{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.tp-rewards .tp-xp{align-self:center}.tp-chip{font-weight:800;font-size:14px;padding:2px 10px;border-radius:999px;background:var(--panel-2);color:var(--text)}button.link.tp-share{margin-left:auto;font-size:14px;color:var(--muted);padding:12px 0;margin-top:-12px;margin-bottom:-12px;min-height:0}details.tp-note{font-size:13px;color:var(--muted);line-height:1.45}details.tp-note summary{cursor:pointer;padding:6px 0;width:max-content;display:inline-flex;align-items:center;min-height:44px}details.tp-note[open]{color:var(--text);background:var(--panel-2);border-radius:var(--radius);padding:0 12px 8px}@keyframes tpNudge{0%,to{box-shadow:inset 0 0 #e8bd5c00}50%{box-shadow:inset 0 0 0 5px #e8bd5cf2}}@media (prefers-reduced-motion: reduce){.tp-win,.tp-xp{animation:none}}@media (min-width: 900px){.tp{grid-template-columns:auto minmax(300px,460px);grid-template-areas:"board top" "board status" "board actions" "board more" "board end" "board foot" "board .";grid-template-rows:auto auto auto auto auto auto 1fr;column-gap:24px;justify-content:center;align-items:start}.tp.compact{grid-template-columns:minmax(300px,400px) minmax(260px,1fr)}.tp-prompt{font-size:20px}}@media (max-width: 899px){.trap-page{--board-reserve: 300px}.tp-board .board-row{width:100%}}.trap-page{max-width:1100px;margin:0 auto}.trap-head{display:flex;flex-direction:column;gap:2px}.trap-head h2{font-size:20px}.trap-head .muted{font-size:14px}.trap-head a{font-size:14px;color:var(--muted);padding:12px 0;margin:-8px 0 -4px;align-self:flex-start}.traps-page{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.traps-head{display:flex;flex-direction:column;gap:6px}.traps-head .meter{max-width:320px}.trap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.trap-card{display:flex;flex-direction:column;gap:6px;padding:8px;position:relative;color:var(--text)}.trap-card .mini-board{margin:0}.trap-card .title{font-size:14px;line-height:1.3}.trap-card .sub{margin:0;font-size:13px}.trap-card .solved{position:absolute;top:12px;right:12px;z-index:2;background:var(--accent);color:var(--on-accent);font-weight:800;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:14px;box-shadow:0 2px 6px var(--shadow)}.trap-row{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 8px;scrollbar-width:thin}.trap-row .trap-card{flex:0 0 136px;scroll-snap-align:start}@media (max-width: 640px){.trap-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}details.tp-note summary{list-style:none;gap:4px}details.tp-note summary::-webkit-details-marker{display:none}details.tp-note summary:after{content:"▾"}details.tp-note[open] summary:after{content:"▴"}.session-end{display:flex;flex-direction:column;gap:10px}.se-summary{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:4px 0;scroll-margin-top:72px;scroll-margin-bottom:calc(96px + env(safe-area-inset-bottom))}.se-summary .se-chips{justify-content:center}.se-chip{position:relative}.se-chip.reached{color:var(--accent-2)}.se-burst{left:50%;top:50%;width:var(--sq);height:var(--sq);margin:calc(var(--sq) / -2) 0 0 calc(var(--sq) / -2)}.card.ask{display:flex;flex-direction:column;gap:8px;text-align:left}.card.ask h3{font-size:15px}.card.ask p{margin:0}.ask-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}button.link.small-link,.small-link{font-size:14px;color:var(--muted);min-height:44px;padding:8px 10px}.goal-picker{display:flex;flex-direction:column;gap:6px;align-items:flex-start}.goal-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%}.goal-option{flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:56px;padding:8px 4px;text-align:center}.goal-option b{font-size:15px}.goal-option span{font-size:12px;color:var(--muted)}.goal-option.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset}.se-goal-ask{display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;max-width:420px;font-size:15px}.goal-picker.compact{align-items:center;width:100%}.goal-picker.compact .goal-options{display:flex;flex-wrap:wrap;justify-content:center;align-items:center}.goal-picker.compact .goal-option{min-height:44px;min-width:64px;padding:4px 12px;flex-direction:row}.goal-picker.compact .goal-option b{font-size:14px}.goal-picker .goal-later{font-size:14px;color:var(--muted);min-height:44px;padding:8px 10px}.card.tomorrow{display:flex;align-items:center;gap:12px;text-align:left;padding-top:10px;padding-bottom:10px}.tomorrow-board{width:56px;flex:none}.tomorrow-board .mini-board{margin:0;border-radius:6px;filter:saturate(.8)}.tomorrow-line{font-size:14px}.tomorrow-title{font-weight:800;color:var(--gold-text)}.tomorrow-remind{padding:10px 0 0;color:var(--accent-2);font-weight:700;min-height:0}button.link.tomorrow-remind{padding:12px 0;margin:-6px 0 -12px;min-height:44px}.tomorrow-ask{display:flex;align-items:center;gap:4px;margin-top:6px}.tomorrow-ask .small{min-height:44px;padding:6px 14px;font-weight:700}.tomorrow-set{margin-top:2px;font-size:13px}.card.bonus{width:100%;display:flex;align-items:center;gap:10px;text-align:left;justify-content:flex-start;font-size:14px;min-height:52px}.card.bonus{border-color:color-mix(in srgb,var(--gold) 60%,var(--border))}.bonus-tag{flex:none;font-size:12px;font-weight:900;text-transform:uppercase;color:#231d12;background:var(--gold);padding:2px 8px;border-radius:999px}.review-size{font-size:14px;color:var(--muted);font-weight:700}.remind-sheet{text-align:left;display:flex;flex-direction:column;gap:12px;width:min(440px,100%)}.remind-time{display:flex;align-items:center;gap:12px;font-weight:700}.remind-time input{width:auto;min-height:44px}.remind-options{display:flex;flex-wrap:wrap;gap:8px}.remind-options>*{min-height:44px;justify-content:center}.remind-sheet .row-actions{justify-content:flex-end}.remind-sheet .message{background:var(--accent-soft);margin:0}.remind-check p{margin:0 0 8px}.remind-check .row-actions{justify-content:flex-start}.install-steps{margin:4px 0;padding-left:20px;text-align:left;display:flex;flex-direction:column;gap:4px}.install-carry{margin:6px 0 4px;justify-content:flex-start}.carry{text-align:left}.carry .row-actions{justify-content:flex-start}.tp-streak,.tp-level{font-weight:800;color:var(--gold-text);font-size:14px}.tp-goal{font-size:13px}.trap-card .solved.star{background:var(--gold);color:#231d12}.trap-tag{position:absolute;top:12px;left:12px;z-index:2;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.03em;background:var(--panel);color:var(--gold-text);border:1px solid color-mix(in srgb,var(--gold) 60%,transparent);padding:1px 6px;border-radius:999px}@media (max-width: 899px){.layout.lesson-done{--board-reserve: 400px}.side>.session-end{order:-1}}.card.done .se-summary{margin-top:10px}.remind-sheet button,.remind-sheet .button,.card.ask button,.save-prompt button,.install-hint button,.remind-sheet .check-row{min-height:44px}.remind-sheet input[type=checkbox]{width:20px;height:20px}.remind-time input{min-height:44px}@media (prefers-reduced-motion: reduce){.remind-sheet{animation:none}}.install-steps{display:flex;flex-direction:column;gap:8px;font-size:14px}.install-steps ol{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}.share-icon{vertical-align:-2px}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-cyrillic-ext-wght-normal-D4X5GqEv.woff2) format("woff2-variations");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-cyrillic-wght-normal-CY6AOgYE.woff2) format("woff2-variations");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-vietnamese-wght-normal-U01xdrZh.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-latin-ext-wght-normal-CXYtwYOx.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Nunito Variable;font-style:normal;font-display:swap;font-weight:200 1000;src:url(/assets/nunito-latin-wght-normal-BzFMHfZw.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{color-scheme:dark;--bg: #1e1c19;--panel: #282520;--panel-2: #332f29;--hover: #3b362f;--border: #3d3831;--border-strong: #4c463c;--text: #efe9dd;--muted: #a39a8c;--accent: #8aa874;--accent-2: #a9c393;--accent-soft: #2f3a28;--on-accent: #172012;--orange: #e2a85f;--orange-soft: #3d3020;--red: #e4887f;--red-soft: #402825;--blue: #93b6d6;--blue-soft: #243242;--warn: #e3c76a;--warn-soft: #3b3420;--gold: #e8bd5c;--gold-text: #e8bd5c;--star-off: #3f3a32;--today-border: #3a4632;--shadow: rgba(0, 0, 0, .35);--board-shadow: rgba(0, 0, 0, .45);--seq-1: #55693f;--seq-2: #6f8a57;--seq-3: #8fab76;--seq-4: #b3cc9c;--radius: 12px}:root[data-theme=light]{color-scheme:light;--bg: #f5f1e8;--panel: #fffcf6;--panel-2: #efe9dd;--hover: #e8e1d3;--border: #e3dccd;--border-strong: #d6cebd;--text: #2f2a24;--muted: #6f665a;--accent: #6b8858;--accent-2: #5c784a;--accent-soft: #e3ebd8;--on-accent: #fffdf7;--orange: #b97a30;--orange-soft: #f6e6cc;--red: #c4605a;--red-soft: #f6dcd8;--blue: #5f89b0;--blue-soft: #dde8f2;--warn: #9a7a1e;--warn-soft: #f8efcf;--gold: #e3b04b;--gold-text: #85601a;--star-off: #e6dfd0;--today-border: #d5e0c6;--shadow: rgba(70, 55, 30, .12);--board-shadow: rgba(70, 55, 30, .18);--seq-1: #9db685;--seq-2: #7f9c6b;--seq-3: #637f50;--seq-4: #4a613a}:root{font-family:Nunito Variable,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:var(--bg);font-size:14px;line-height:1.45}a{color:var(--accent-2);text-decoration:none;cursor:pointer}h2{margin:0;font-size:20px;line-height:1.25}h3{margin:0;font-size:14px;color:var(--text);font-weight:700}button,.button{background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:8px 12px;font:inherit;font-size:14px;cursor:pointer;display:inline-flex;align-items:center;gap:4px}button:hover:not(:disabled),.button:hover{border-color:var(--border-strong);background:var(--hover)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:700;box-shadow:0 2px 6px var(--shadow)}button.primary:hover:not(:disabled){background:var(--accent-2)}button.small{padding:4px 8px;font-size:14px}button.link{background:none;border:none;color:var(--muted);padding:0}button.link:hover{color:var(--text);background:none}button.icon{background:none;border:none;color:var(--muted);font-size:20px;padding:0 4px}button.icon:hover{color:var(--red);background:none}input,textarea{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:8px;font:inherit;font-size:14px;width:100%}input:focus,textarea:focus{outline:none;border-color:var(--accent)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 24px;border-bottom:1px solid var(--border);background:var(--panel)}.brand{color:var(--text);font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px}.logo{font-size:22px;color:var(--accent-2)}.topbar nav{display:flex;gap:4px}.topbar nav a{color:var(--muted);padding:4px 12px;border-radius:var(--radius);font-size:14px}.topbar nav a:hover{color:var(--text)}.topbar nav a.active{color:var(--text);background:var(--panel-2)}main{padding:16px 24px}.layout{display:flex;gap:24px;align-items:flex-start;justify-content:center}.board-col{flex:none}.board-controls{display:flex;gap:4px;justify-content:center;margin-top:8px}.board-controls button{min-width:44px;justify-content:center}.side{flex:1;max-width:520px;min-width:300px;display:flex;flex-direction:column;gap:12px}.center-card{margin-top:32px}section{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:12px}.row{display:flex;align-items:center;gap:12px}.clickable{cursor:pointer;transition:background .15s ease-out}.clickable:hover{background:var(--panel-2)}.grow{flex:1;min-width:0}.title{font-weight:600;font-size:14px}.title.small{font-size:14px}.sub{color:var(--muted);font-size:14px;margin-top:4px;display:flex;align-items:center;gap:4px;flex-wrap:wrap}.right{text-align:right;font-size:14px;min-width:110px}.muted{color:var(--muted)}.small{font-size:14px}.warn{color:var(--orange)}.pad{padding:8px 4px}.mono{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:14px}.meter{height:4px;background:var(--panel-2);border-radius:999px;margin-top:4px;overflow:hidden}.meter>div{height:100%;background:var(--accent);transition:width .3s ease-out}.meter.big{height:6px}.badge{background:var(--panel-2);border:1px solid var(--border);border-radius:999px;padding:4px 8px;font-size:14px;white-space:nowrap}.badge.new{border-color:var(--accent);color:var(--accent-2)}.add-form{display:flex;flex-direction:column;gap:8px}.seg,.pills{display:flex;gap:4px;flex-wrap:wrap}.seg button.on,.pills button.on{background:var(--accent);border-color:var(--accent);color:var(--on-accent);font-weight:700}.notice{font-size:14px;line-height:1.5;border-color:var(--accent-soft)}.rep-head{display:flex;flex-direction:column;gap:4px;align-items:flex-start}.rep-head .sub{width:100%}.rep-head .sub .primary{margin-left:auto}.title-input{background:none;border:1px solid transparent;font-size:20px;font-weight:700;padding:4px;margin-left:-4px}.title-input:hover{border-color:var(--border)}.opening-name{font-size:14px;padding:8px 0;border-top:1px solid var(--border)}.eco{background:var(--panel-2);border-radius:var(--radius);padding:4px;font-size:14px;color:var(--muted);margin-right:4px}.movelist{display:flex;flex-wrap:wrap;gap:4px 4px;align-items:center;min-height:28px;line-height:1.6}.mv-wrap{display:inline-flex;align-items:center;gap:4px}.num{color:var(--muted);font-size:14px;margin-left:4px}.mv{background:none;border:none;padding:4px;font-weight:600;font-size:14px}.mv.cur{background:var(--accent);color:var(--on-accent)}.mv.ahead{color:var(--muted);font-weight:400}.prompt{padding:8px 12px;border-radius:var(--radius);font-size:14px;border-left:3px solid;background:var(--panel)}.prompt.mine{border-color:var(--accent)}.prompt.theirs{border-color:var(--orange)}.message{padding:8px 12px;background:var(--red-soft);border-radius:var(--radius);font-size:14px}.chips{display:flex;gap:4px;flex-wrap:wrap}.chip{display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden}.chip button{border:none;border-radius:0;padding:4px 8px;font-weight:600}.chip button.x{color:var(--muted);padding:4px 8px;border-left:1px solid var(--border)}.chip button.x:hover{color:var(--red)}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border)}.tabs button{background:none;border:none;border-bottom:2px solid transparent;border-radius:0;color:var(--muted);padding:8px 12px}.tabs button.on{color:var(--text);border-bottom-color:var(--accent)}.tabs button:hover{background:none!important;color:var(--text)}.explorer table{width:100%;border-collapse:collapse;font-size:14px}.explorer tr{cursor:pointer;border-bottom:1px solid var(--border)}.explorer tr:hover{background:var(--panel-2)}.explorer tr.in-rep{background:var(--accent-soft)}.explorer td{padding:4px}.explorer td.san{font-weight:600;width:70px;white-space:nowrap}.explorer td.num{text-align:right;width:60px}.explorer td.wdl{width:45%}.check{color:var(--accent-2)}.bar{display:flex;height:14px;border-radius:var(--radius);overflow:hidden}.bar .w{background:#fffdf9;box-shadow:inset 0 0 0 1px var(--border)}.bar .d{background:#c9c1b3}.bar .b{background:#4a443c}.note{min-height:70px;resize:vertical;margin-top:8px}.note-view{font-size:14px;white-space:pre-wrap}.gaps,.lines{display:flex;flex-direction:column;gap:4px;max-height:520px;overflow-y:auto}.gaps-head{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:4px 0}.pgn{display:flex;flex-direction:column;gap:8px}.pgn textarea{font-family:ui-monospace,Menlo,monospace;font-size:14px}.pgn-actions,.row-actions,.inline{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.inline input{flex:1}.done{text-align:center;padding:24px}.done .row-actions{justify-content:center;margin-top:16px}.settings{max-width:680px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.settings .card{display:flex;flex-direction:column;gap:8px}.settings p{margin:0;font-size:14px;line-height:1.5}.field{font-size:14px;color:var(--muted);margin-top:4px}.settings details.settings-more>summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px}.settings details.settings-more>summary::-webkit-details-marker{display:none}.settings details.settings-more>summary:after{content:"▾";color:var(--muted)}.settings details.settings-more[open]>summary:after{content:"▴"}.settings details.settings-more>summary .muted{margin-left:auto;font-size:13px}.settings h3 .info-d{font-weight:400}.carry-chips{margin:2px 0}.check-row{display:flex;gap:8px;align-items:center;font-size:14px}.check-row input{width:auto}.empty{text-align:center;padding:32px;color:var(--muted)}@media (max-width: 900px){main{padding:16px}.layout{flex-direction:column;align-items:center}.side{max-width:100%;width:100%;min-width:0}.topbar{padding:8px 16px}}.board-row{display:flex;gap:8px;align-items:stretch}.evalbar{width:22px;flex:none;background:var(--panel-2);border-radius:14px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}.evalbar.flipped{flex-direction:column-reverse}.evalbar-white{background:#fffdf9;transition:height .3s ease-out}.evalbar-label{position:absolute;left:0;right:0;text-align:center;font-size:10px;font-weight:700}.evalbar-label.on-white{bottom:4px;color:var(--text)}.evalbar-label.on-black{top:4px;color:#f5f1e8}.evalbar.flipped .evalbar-label.on-white{bottom:auto;top:4px}.evalbar.flipped .evalbar-label.on-black{top:auto;bottom:4px}.engine{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:8px;display:flex;flex-direction:column;gap:4px}.engine-head{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}.engine-score{font-size:20px;font-weight:700}.engine-line{display:flex;gap:8px;padding:4px;border-radius:var(--radius);cursor:pointer;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.engine-line:hover{background:var(--panel-2)}.engine-cp{width:48px;flex:none;font-weight:600;font-size:14px;color:var(--text)}.explorer-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin:8px 0 4px}h4{margin:0;font-size:14px;font-weight:600}.explorer th{text-align:left;font-size:14px;color:var(--muted);font-weight:500;padding:4px}.explorer th.num{text-align:right}.explorer tr.static{cursor:default}.bar span{font-size:14px;line-height:14px;text-align:center;overflow:hidden;font-weight:600}.bar .w,.bar .d{color:var(--text)}.bar .b{color:#f5f1e8}.token-prompt{display:flex;flex-direction:column;gap:4px;padding:8px;border:1px dashed var(--accent);border-radius:var(--radius);margin:4px 0 8px;line-height:1.45}.library{max-width:1100px;margin:0 auto;display:flex;flex-direction:column;gap:12px}.library-head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;align-items:flex-end}.library-head p{margin:0;font-size:14px}.library-filters{display:flex;flex-direction:column;gap:8px;min-width:300px}.filter-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.family-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(250px,100%),1fr));gap:8px;margin-bottom:8px}.family{display:flex;flex-direction:column;gap:4px}.family-top{display:flex;align-items:center;gap:8px}.family-top .title{flex:1;font-size:14px}.card.family{position:relative}.card.family:hover{transform:translateY(-4px) scale(1.015);box-shadow:0 14px 30px var(--shadow);background-color:color-mix(in srgb,var(--accent) 22%,var(--panel))}.card.family:active{transform:translateY(-1px) scale(.99)}.family .board-wrap{position:relative}.family .board-wrap .mini-board{margin-bottom:0}.family-count{color:var(--muted);font-size:14px;white-space:nowrap;transition:color .15s ease-out}.family-go{display:inline-block;color:var(--accent-2);opacity:0;transform:translate(-6px);transition:opacity .15s ease-out,transform .3s cubic-bezier(.34,1.56,.64,1)}.card.family:hover .family-go{opacity:1;transform:none}.family .moves span{transition:color .15s ease-out,background-color .15s ease-out;border-radius:4px;padding:0 1px}.family .moves span.played{color:var(--text)}.family .moves span.now{background:var(--accent);color:var(--bg)}@media (prefers-reduced-motion: reduce){.card.family:hover{transform:none}}.course-box{display:flex;flex-direction:column;gap:8px}.current-line{display:flex;flex-direction:column;gap:4px}.variations{display:flex;flex-direction:column;gap:8px;max-height:560px;overflow-y:auto;padding-right:4px}.var-group{display:flex;flex-direction:column;gap:4px}.var-group-head{display:flex;align-items:center;gap:8px;padding:4px 0;position:sticky;top:0;background:var(--bg);z-index:1}.var-group-head input,.var-row input{width:auto}.var-row{display:flex;align-items:center;gap:8px;padding:4px 8px;border-radius:var(--radius);cursor:pointer;border:1px solid transparent}.var-row:hover{background:var(--panel)}.var-row.sel{background:var(--panel);border-color:var(--accent)}.var-row .meter{max-width:160px}.rank-note{color:var(--muted);line-height:1.45}.rank{width:22px;text-align:right;flex:none}.odds{font-weight:600;font-size:14px;text-align:right;color:var(--muted);white-space:nowrap}.odds.est{color:var(--muted);font-weight:600}.home{max-width:1040px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.home section{margin:0}.today{display:flex;flex-direction:row;align-items:center;gap:16px;padding:16px;background:linear-gradient(135deg,var(--accent-soft),var(--panel) 70%);border-color:var(--today-border)}.today-title{font-size:20px;font-weight:700}.today .sub{font-size:14px;margin-top:4px}.today-actions{display:flex;flex-direction:column;gap:8px;align-items:stretch}.streak{color:var(--muted);font-weight:600}.big-btn{font-size:14px;padding:12px 16px;justify-content:center}.ring{position:relative;flex:none}.ring svg{transform:rotate(-90deg)}.ring circle{fill:none;stroke-width:7}.ring-bg{stroke:var(--bg)}.ring-fg{stroke:var(--accent);stroke-linecap:round;transition:stroke-dashoffset .3s ease-out}.ring-label{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1}.ring-label b{font-size:14px}.ring-label span{font-size:14px;color:var(--muted)}.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(320px,100%),1fr));gap:8px}.course-card{display:flex;flex-direction:column;gap:12px}.clickable-text{cursor:pointer}.clickable-text:hover{text-decoration:underline}.starter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(230px,100%),1fr));gap:8px}.starter{display:flex;flex-direction:column;gap:4px}.starter .sub{line-height:1.4}.home .section-head a{font-size:14px}.steps{display:flex;gap:4px;flex-wrap:wrap;margin-top:4px}.step{background:none;border:1px solid var(--border);border-radius:999px;font-size:14px;padding:4px 12px 4px 4px;color:var(--muted)}.step-n{display:inline-flex;width:20px;height:20px;border-radius:50%;background:var(--panel-2);align-items:center;justify-content:center;font-size:14px;font-weight:700}.step.on{border-color:var(--accent);color:var(--text)}.step.on .step-n{background:var(--accent);color:var(--on-accent)}.step.complete{color:var(--accent-2)}.step.complete .step-n{background:var(--accent-soft)}.narration{display:flex;flex-direction:column;gap:4px;max-height:420px;overflow-y:auto}.narr-row{display:flex;gap:8px;align-items:baseline;padding:4px 8px;border-radius:var(--radius);cursor:pointer;transition:opacity .3s ease-out}.narr-row.ahead{opacity:.3}.narr-row.cur{background:var(--panel)}.narr-row:hover{background:var(--panel-2)}.narr-num{color:var(--muted);font-size:14px;width:26px;flex:none;text-align:right}.narr-san{font-weight:700;width:52px;flex:none}.narr-san.you{color:var(--accent-2)}.narr-text{font-size:14px;color:var(--muted)}.name-chip{margin-left:8px;font-size:14px;background:var(--accent-soft);color:var(--accent-2);border-radius:999px;padding:4px 8px;animation:pop .15s ease-out}.you-tag{color:var(--accent-2);font-weight:600}.board-controls .wide{min-width:110px}.trainer-progress{display:flex;align-items:center;gap:8px}.trainer-progress .meter{flex:1;margin:0}.prompt.big{font-size:14px;font-weight:600;padding:12px}.last-move{font-size:14px;display:flex;align-items:baseline;gap:4px;flex-wrap:wrap}.who{font-size:14px;padding:4px 8px;border-radius:999px}.who.you{background:var(--accent-soft);color:var(--accent-2)}.who.them{background:var(--orange-soft);color:var(--orange)}kbd{font-family:ui-monospace,Menlo,monospace;font-size:14px;border:1px solid var(--border);border-bottom-width:2px;border-radius:var(--radius);padding:0 4px;color:var(--muted);margin-left:4px}button.primary kbd{color:#1d2b14;border-color:#00000040}.mistake{display:flex;flex-direction:column;gap:8px;animation:fadeIn .15s ease-out .3s both}.mistake-head{display:flex;gap:8px;font-size:14px;line-height:1.4}.x-icon{color:var(--red);font-weight:800}.verdict{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.verdict-tag{font-size:14px;font-weight:700;padding:4px 8px;border-radius:999px}.verdict.fine .verdict-tag{background:var(--accent-soft);color:var(--accent-2)}.verdict.inaccuracy .verdict-tag{background:var(--warn-soft);color:var(--warn)}.verdict.mistake .verdict-tag{background:var(--orange-soft);color:var(--orange)}.verdict.blunder .verdict-tag{background:var(--red-soft);color:var(--red)}.message.neutral{background:var(--panel-2)}.combo{display:inline-block;background:var(--panel-2);color:var(--text);font-weight:700;font-size:14px;padding:4px 8px;border-radius:999px;animation:pop .15s ease-out;white-space:nowrap}.stars{display:flex;justify-content:center;gap:4px;font-size:40px;color:var(--star-off)}.stars .on{color:var(--gold);display:inline-block;animation:starPop .6s cubic-bezier(.34,1.56,.64,1) both;text-shadow:0 0 14px color-mix(in srgb,var(--gold) 55%,transparent)}@keyframes starPop{0%{transform:scale(0) rotate(-90deg);opacity:0}55%{transform:scale(1.45) rotate(14deg);opacity:1}75%{transform:scale(.88) rotate(-5deg)}to{transform:scale(1) rotate(0)}}.done h2{margin-top:4px}.done-mastery{display:flex;gap:8px;align-items:center;justify-content:center;font-size:14px;margin:8px 0}.mastery{font-size:14px;font-weight:700;padding:4px 8px;border-radius:999px;white-space:nowrap}.mastery.new{background:var(--panel-2);color:var(--muted)}.mastery.learning{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1px var(--border)}.mastery.familiar{background:var(--blue-soft);color:var(--blue)}.mastery.mastered{background:var(--accent-soft);color:var(--accent-2)}.confetti{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:50}@keyframes pop{0%{transform:scale(.8);opacity:0}60%{transform:scale(1.08);opacity:1}to{transform:scale(1)}}@keyframes starIn{0%{transform:scale(.5);opacity:0}60%{transform:scale(1.15);opacity:1}to{transform:none}}@media (max-width: 700px){.today{flex-wrap:wrap}.today-actions{width:100%}}.brand{white-space:nowrap}.topbar nav{overflow-x:auto;scrollbar-width:none}.topbar nav a{white-space:nowrap}@media (max-width: 640px){.topbar{gap:8px}.topbar nav a{padding:4px 8px}}.board{position:relative;border-radius:14px;box-shadow:0 10px 30px var(--board-shadow);touch-action:pan-y;user-select:none;-webkit-user-select:none;flex:none}.board.interactive{cursor:pointer;touch-action:none}.sq{position:absolute}.sq>div{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.sq-last{background:#ffe2786b}.sq>.sq-selected{top:4px;right:4px;bottom:4px;left:4px;border-radius:12px;background:#ffffff6b;box-shadow:0 2px 8px #0000001f}.sq>.sq-cursor{position:absolute;top:2px;right:2px;bottom:2px;left:2px;border-radius:8px;box-shadow:inset 0 0 0 3px var(--gold),inset 0 0 0 5px #00000073;pointer-events:none;z-index:1}.board:focus{outline:none}.board:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.sq>.sq-hover{top:4px;right:4px;bottom:4px;left:4px;border-radius:12px;background:#ffffff4d}.sq-dot{background:radial-gradient(circle,rgba(40,50,35,.2) 0 19%,transparent 20%)}.sq>.sq-capture{top:6px;right:6px;bottom:6px;left:6px;border-radius:50%;box-shadow:inset 0 0 0 5px #28322333}.coord{position:absolute;z-index:2;font-size:11px;font-weight:700;pointer-events:none;line-height:1}.coord.rank{top:3px;left:3px}.coord.file{bottom:3px;right:4px}.piece{position:absolute;z-index:1;left:0;top:0;pointer-events:none;will-change:transform}.board.interactive .piece{cursor:grab}.piece img{width:100%;height:100%;display:block;pointer-events:none;transform-origin:50% 88%;transition:transform .18s cubic-bezier(.34,1.56,.64,1),filter .18s ease-out}.piece.pressed img{transform:scale(1.07)}.piece.lifted img{transform:scale(1.14);filter:drop-shadow(0 8px 10px rgba(0,0,0,.3))}.piece.land img{animation:squish .32s ease-out .1s both}@keyframes squish{0%{transform:scale(1)}30%{transform:scale(1.12,.86)}60%{transform:scale(.95,1.06)}to{transform:scale(1)}}.arrows{position:absolute;z-index:3;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.9}.sq-flash.good{animation:flashGood .3s ease-out forwards}.sq-flash.bad{animation:flashBad .3s ease-out forwards}.board-good{animation:glowGood .3s ease-out}.board-bad{animation:nudge .3s cubic-bezier(.3,.7,.4,1)}@keyframes flashGood{0%{background:#78af5fb3}to{background:#78af5f00}}@keyframes flashBad{0%{background:#d66056b3}to{background:#d6605600}}@keyframes glowGood{0%{box-shadow:0 0 #6b8858b3,0 10px 30px var(--board-shadow)}to{box-shadow:0 0 0 14px #6b885800,0 10px 30px var(--board-shadow)}}@keyframes nudge{0%{transform:translate(0)}25%{transform:translate(-7px)}55%{transform:translate(5px)}80%{transform:translate(-2px)}to{transform:translate(0)}}.sq-mark{position:absolute;top:0;right:0;bottom:0;left:0;animation:markIn .35s ease-out both}.sq-mark.brilliant{background:color-mix(in srgb,var(--brilliant) 55%,transparent)}.sq-mark.great{background:color-mix(in srgb,var(--great) 50%,transparent)}@keyframes markIn{0%{opacity:0}30%{opacity:1;filter:brightness(1.5)}to{opacity:1}}.piece.shine img{animation:shine 1.1s ease-out .12s both}.piece.shine.great img{animation-duration:.8s}@keyframes shine{0%{filter:none;transform:scale(1)}20%{filter:drop-shadow(0 0 10px #fff) brightness(1.25);transform:scale(1.18,.9)}45%{transform:scale(.94,1.08)}70%{filter:drop-shadow(0 0 4px rgba(255,255,255,.6));transform:scale(1.02)}to{filter:none;transform:scale(1)}}.celebrate{position:absolute;z-index:4;pointer-events:none;--c: var(--brilliant)}.celebrate.great{--c: var(--great)}.celebrate.sage{--c: var(--accent)}.celebrate.gold{--c: var(--gold)}.cel-ring{position:absolute;top:0;right:0;bottom:0;left:0;border-radius:50%;border:calc(var(--sq) * .08) solid var(--c);opacity:0;animation:ring .7s cubic-bezier(.2,.8,.2,1) .1s}.cel-ring.late{border-color:#fff;border-width:calc(var(--sq) * .04);animation-delay:.22s}@keyframes ring{0%{opacity:.95;transform:scale(.35)}to{opacity:0;transform:scale(2.6)}}.cel-spark{position:absolute;left:50%;top:50%;width:calc(var(--sq) * .13);height:calc(var(--sq) * .13);margin:calc(var(--sq) * -.065);border-radius:2px;background:var(--c);box-shadow:0 0 6px var(--c);opacity:0;animation:spark .75s cubic-bezier(.15,.7,.3,1) .12s}.cel-spark:nth-child(3n){background:#fff;border-radius:50%}.cel-spark:nth-child(4n){background:#ffd66b;box-shadow:0 0 6px #ffd66b}@keyframes spark{0%{opacity:1;transform:rotate(var(--a)) translate(calc(var(--sq) * .2)) rotate(45deg) scale(1.2)}to{opacity:0;transform:rotate(var(--a)) translate(var(--d)) rotate(225deg) scale(.2)}}.cel-badge{position:absolute;right:calc(var(--sq) * -.18);top:calc(var(--sq) * -.18);width:calc(var(--sq) * .5);height:calc(var(--sq) * .5);border-radius:50%;background:var(--c);color:#fff;border:2px solid #fff;box-shadow:0 3px 10px #00000059;display:grid;place-items:center;font-weight:900;font-size:calc(var(--sq) * .38);letter-spacing:.04em;text-indent:.04em;line-height:1;animation:badgeIn .6s cubic-bezier(.34,1.56,.64,1) .1s both}@keyframes badgeIn{0%{transform:scale(0) rotate(-90deg)}55%{transform:scale(1.35) rotate(12deg)}75%{transform:scale(.9) rotate(-5deg)}to{transform:scale(1) rotate(0)}}.cel-label{--lx: -50%;position:absolute;left:50%;bottom:105%;transform:translate(var(--lx));white-space:nowrap;background:var(--c);color:#fff;font-weight:800;font-size:14px;padding:3px 10px;border-radius:999px;box-shadow:0 4px 14px #0000004d;opacity:0;animation:labelUp 1.6s ease-out .15s both}.cel-label.below{bottom:auto;top:105%;animation-name:labelDown}.cel-label.align-left{left:0;--lx: 0%}.cel-label.align-right{left:auto;right:0;--lx: 0%}@keyframes labelUp{0%{opacity:0;transform:translate(var(--lx),8px) scale(.7)}15%{opacity:1;transform:translate(var(--lx)) scale(1.08)}25%{transform:translate(var(--lx)) scale(1)}75%{opacity:1;transform:translate(var(--lx),-4px)}to{opacity:0;transform:translate(var(--lx),-14px)}}@keyframes labelDown{0%{opacity:0;transform:translate(var(--lx),-8px) scale(.7)}15%{opacity:1;transform:translate(var(--lx)) scale(1.08)}25%{transform:translate(var(--lx)) scale(1)}75%{opacity:1;transform:translate(var(--lx),4px)}to{opacity:0;transform:translate(var(--lx),14px)}}.ripple{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;pointer-events:none;border-radius:14px;overflow:hidden;display:grid;grid-template:repeat(8,1fr) / repeat(8,1fr);animation:fadeIn .15s ease-out both}.ripple{--rc: var(--brilliant);--rc-hi: #9ff5e6}.ripple.sage{--rc: var(--accent);--rc-hi: #e3f1d6}.ripple.gold{--rc: var(--gold);--rc-hi: #fff1c9}.ripple.great{--rc: var(--great);--rc-hi: #d6e6ff}.ripple i{animation:rippleDark .7s ease-out var(--dl) both}.ripple i.lit{animation-name:rippleTeal}.ripple.soft{z-index:-1;border-radius:inherit;animation:none}.ripple.soft i{animation:none}.ripple.soft i.lit{animation:rippleSoft .8s ease-out var(--dl) both}@keyframes rippleSoft{0%{background:transparent}15%{background:color-mix(in srgb,var(--rc-hi) 70%,transparent)}35%{background:color-mix(in srgb,var(--rc) 45%,transparent)}to{background:transparent}}@keyframes rippleDark{0%{background:#0a0c169e}20%{background:#1c183a66}to{background:#1c183a00}}@keyframes rippleTeal{0%{background:#0a0c169e}12%{background:color-mix(in srgb,var(--rc-hi) 90%,transparent)}30%{background:color-mix(in srgb,var(--rc) 65%,transparent)}to{background:color-mix(in srgb,var(--rc) 0%,transparent)}}.piece.shine.brilliant{z-index:3}@media (prefers-reduced-motion: reduce){.ripple,.cel-ring,.cel-spark{display:none}.piece.shine img{animation:none}.cel-badge,.sq-mark{animation-duration:1ms}}@media (prefers-reduced-motion: reduce){.board-bad,.board-good{animation:none}.piece{transition:none!important}}.title-row{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;flex-wrap:wrap}.title-row h2{margin:0}.variations .inline input{flex:1 1 140px;min-width:120px}.var-row{flex-wrap:wrap;row-gap:4px}.var-name{flex:1;min-width:0}.evalbar-spacer{width:22px;flex:none}.verdict-slot{min-height:28px}.verdict-slot .verdict{animation:fadeIn .15s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}main>*{animation:screenIn .15s ease-out}@keyframes screenIn{0%{opacity:.6}to{opacity:1}}.board-enter{animation:fadeIn .15s ease-out}button,.button{transition:background-color .15s ease-out,border-color .15s ease-out,transform .18s cubic-bezier(.34,1.56,.64,1)}button:active:not(:disabled),.button:active{transform:scale(.96)}@media (prefers-reduced-motion: reduce){main>*,.board-enter{animation:none}button:active:not(:disabled),.button:active{transform:none}}.feedback-narrow{display:none;margin-top:12px}.narration{position:relative}@media (max-width: 899px){.board-col,.board-row{width:100%}.board-controls{flex-wrap:wrap}.feedback-narrow{display:block}.feedback-wide{display:none}}.side-icon{width:22px;height:22px;padding:2px;flex:none;vertical-align:-6px;border-radius:50%;background:#edf0e1}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-delay:0s!important;transition-duration:.01ms!important}}input[type=checkbox]{accent-color:var(--accent)}:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}[role=button]{cursor:pointer}.deep-panel{flex-basis:100%;padding-left:24px;display:flex;flex-direction:column;gap:8px;align-items:flex-start;cursor:default}.deep-panel>.muted,.deep-panel .meter{width:100%}.deep-row{display:flex;align-items:center;gap:8px;width:100%;padding:8px 0;border-top:1px solid var(--border)}.card.clickable,.card[role=button]{transition:transform .18s cubic-bezier(.34,1.56,.64,1),box-shadow .18s ease-out,background-color .15s ease-out}.card.clickable:hover,.card[role=button]:hover{transform:translateY(-2px);box-shadow:0 8px 20px var(--shadow)}.card.clickable:active,.card[role=button]:active{transform:scale(.98)}.mini-board{position:relative;width:100%;aspect-ratio:1;border-radius:10px;overflow:hidden;margin-bottom:4px;background:repeating-conic-gradient(var(--mb-dark) 0 25%,var(--mb-light) 0 50%) 0 0 / 25% 25%}.mini-board img,.mini-last{position:absolute;width:12.5%;height:12.5%}.mini-board img{display:block;pointer-events:none}.mini-board img{left:0;top:0}.mini-board.animated img{transition:transform .26s cubic-bezier(.34,1.3,.64,1)}.mini-board.animated .mini-last{animation:fadeIn .2s ease-out}.mini-last{background:#ffe2786b}.hero{display:grid;grid-template-columns:minmax(200px,300px) 1fr;gap:24px;align-items:center;padding:24px;background:linear-gradient(135deg,var(--accent-soft),var(--panel) 65%);border-color:var(--today-border)}.hero-board{border-radius:14px;box-shadow:0 10px 30px var(--board-shadow);cursor:pointer;transition:transform .18s cubic-bezier(.34,1.56,.64,1)}.hero-board:hover{transform:translateY(-2px)}.hero-board:active{transform:scale(.98)}.hero-board .mini-board{margin:0;border-radius:14px}.hero-text{display:flex;flex-direction:column;gap:12px;min-width:0}.hero-text p{margin:0}.hero-next{display:flex;flex-direction:column;gap:4px}.hero-today{display:flex;align-items:center;gap:12px;padding-top:12px;border-top:1px solid var(--border)}.thumb{width:88px;flex:none;cursor:pointer}.thumb .mini-board{margin:0;border-radius:8px}.starter{flex-direction:row;align-items:center;gap:12px}@media (max-width: 700px){.hero{grid-template-columns:1fr;padding:16px}.hero-board{width:100%;max-width:320px;margin:0 auto}}.course-card .grow{min-width:0}.course-card .title{overflow-wrap:anywhere}@media (min-width: 421px){.course-card .pct-text{display:none}}@media (max-width: 420px){.course-card .ring{display:none}}.games{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.games section{gap:8px}.games-form{display:flex;flex-direction:column;gap:12px}.form-error{color:var(--red)}.games-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(150px,100%),1fr));gap:8px}.game-chip b{font-weight:900}.game-chip.red b{color:var(--red)}.game-chip.orange b{color:var(--gold-text)}.game-chip.accent b{color:var(--accent-2)}.stat{display:flex;flex-direction:column;gap:4px}.stat b{font-size:20px}.stat.red b{color:var(--red)}.stat.orange b{color:var(--orange)}.stat.accent b{color:var(--accent-2)}.game-row{display:flex;gap:12px;align-items:flex-start}.game-row .title{font-weight:400}.game-row .row-actions{margin-top:8px}.progress-page{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.progress-page section{margin:0;gap:12px}.stat-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(160px,100%),1fr));gap:8px}.stat-tiles .stat b{font-size:20px}.chart{position:relative}.chart-tip{position:absolute;transform:translate(-50%,calc(-100% - 10px));pointer-events:none;white-space:nowrap;background:var(--panel-2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:4px 8px;box-shadow:0 4px 12px var(--shadow);z-index:5}.upcoming{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;height:160px;align-items:end}.bar-col{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px;cursor:default}.bar-col .bar{width:min(28px,70%);min-height:2px;background:var(--seq-3);border-radius:4px 4px 0 0}.bar-val{min-height:1.45em}.legend{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.legend span{display:inline-flex;align-items:center;gap:4px}.legend i{display:inline-block;width:12px;height:12px;border-radius:4px}.course-bar{display:flex;flex-direction:column;gap:4px}.course-bar-head{display:flex;justify-content:space-between;gap:8px}.stack{display:flex;gap:2px;height:12px}.seg-fill{flex-basis:0;min-width:4px;border-radius:4px}.calendar-wrap{display:flex;flex-direction:column;gap:8px;overflow-x:auto}.calendar{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,12px);grid-auto-columns:12px;gap:3px}.cal-cell{width:12px;height:12px;border-radius:3px;background:var(--panel-2)}.cal-cell.future{background:transparent}.hard-row{display:flex;gap:12px;align-items:center}.hard-row .thumb{width:72px}.drill-clock{height:8px;border-radius:999px;background:var(--panel-2);overflow:hidden}.drill-clock>div{height:100%;background:var(--accent);border-radius:999px}.drill-clock>div.low{background:var(--orange)}.drill-meta{display:flex;gap:12px;align-items:center}.drill-done,.drill-empty{max-width:480px;margin:40px auto}.drill-score{display:flex;align-items:baseline;justify-content:center;gap:8px}.drill-score b{font-size:20px}.drill-cta{flex-direction:row!important;align-items:center}:root{--brilliant: #1fbfa4;--great: #5d95e6;--gold: #f0b443}.sac{display:inline-grid;place-items:center;min-width:20px;height:20px;padding:0 4px;border-radius:999px;background:var(--brilliant);color:#fff;font-weight:900;font-size:14px;line-height:1;letter-spacing:.04em;vertical-align:middle;position:relative;top:-2px;box-shadow:0 1px 3px #00000040}.sac.great{background:var(--great)}.var-row:hover .sac,.card.family:hover .sac{animation:sacWiggle .5s cubic-bezier(.34,1.56,.64,1)}@keyframes sacWiggle{0%{transform:none}30%{transform:scale(1.25) rotate(-12deg)}60%{transform:scale(.95) rotate(6deg)}to{transform:none}}.sac-counts{display:inline-flex;gap:8px;color:var(--muted);font-size:14px;white-space:nowrap;flex:none}.sac-counts>span{display:inline-flex;align-items:center;gap:4px}.family-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px}.family-bottom .moves{min-width:0}.family .moves-sr{display:none}@media (max-width: 640px){.family .moves{display:none}.family .moves-sr{display:block}}.sac-filter{display:inline-flex;align-items:center;gap:8px}.sac-filter.on{background:color-mix(in srgb,var(--brilliant) 22%,var(--panel));border-color:var(--brilliant)}.sac-stats{display:flex;align-items:center;gap:4px;margin-right:auto}.sac-stat{padding:4px 8px}.sac-stat{display:inline-flex;align-items:center;gap:8px}.sac-stat.brilliant.on{background:color-mix(in srgb,var(--brilliant) 22%,var(--panel));border-color:var(--brilliant)}.sac-stat.great.on{background:color-mix(in srgb,var(--great) 22%,var(--panel));border-color:var(--great)}@media (prefers-reduced-motion: reduce){.var-row:hover .sac,.card.family:hover .sac{animation:none}}.board-pulse{animation:edgePulse .9s ease-out}@keyframes edgePulse{0%{box-shadow:0 0 color-mix(in srgb,var(--gold) 90%,transparent),0 10px 30px var(--board-shadow)}40%{box-shadow:0 0 0 10px color-mix(in srgb,var(--gold) 45%,transparent),0 10px 30px var(--board-shadow)}to{box-shadow:0 0 0 22px color-mix(in srgb,var(--gold) 0%,transparent),0 10px 30px var(--board-shadow)}}@media (prefers-reduced-motion: reduce){.board-pulse{animation:none}}.card.record{position:relative;isolation:isolate;overflow:hidden}.drill-score{position:relative}.score-burst{left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px}.hero-board{position:relative}.mini-board .ripple{z-index:0;border-radius:inherit}.hero-burst{left:50%;top:50%;width:64px;height:64px;margin:-32px 0 0 -32px}.hero-burst .cel-badge{font-size:22px;letter-spacing:0;text-indent:0}.ring-wrap{position:relative;flex:none}.ring-burst{top:0;right:0;bottom:0;left:0}.ring-wrap.party .ring-label b{display:inline-block;animation:starPop .6s cubic-bezier(.34,1.56,.64,1) .1s both}.ring-wrap.party .ring-fg{stroke:var(--gold);transition:stroke .4s ease-out}.var-row.fresh{position:relative;isolation:isolate;overflow:hidden}.var-row.fresh .mastery{animation:starPop .6s cubic-bezier(.34,1.56,.64,1) .35s both}.game-row.followed .ripple i{animation-delay:calc(var(--dl) + var(--i) * .25s)}.game-row.followed .sac{animation:starPop .6s cubic-bezier(.34,1.56,.64,1) calc(.5s + var(--i) * .25s) both}.move-search{font-size:14px}.look-back{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap;animation:fadeIn .15s ease-out}.fix-card{display:flex;flex-direction:column;gap:8px}.fix-card h3,.fix-card p{margin:0}.fix-list{display:flex;flex-wrap:wrap;gap:8px}.fix-item{display:inline-flex;align-items:center;gap:8px;padding:4px 10px;border-radius:999px;background:var(--panel-2);border:1px solid var(--border);font-size:14px;font-weight:700;transition:background-color .2s ease-out,border-color .2s ease-out}.fix-item.cur{border-color:var(--accent)}.fix-item.ok{background:color-mix(in srgb,var(--accent) 25%,var(--panel));border-color:var(--accent);animation:starPop .5s cubic-bezier(.34,1.56,.64,1)}.fix-item i{display:inline-flex;gap:3px}.fix-item b{width:8px;height:8px;border-radius:50%;background:var(--border);transition:background-color .2s ease-out,transform .3s cubic-bezier(.34,1.56,.64,1)}.fix-item b.on{background:var(--accent);transform:scale(1.2)}.explore{display:flex;flex-direction:column;gap:8px;margin:8px 0;animation:fadeIn .15s ease-out}.explore-head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.next-moves{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.next-move{font-weight:700}.next-move .muted{font-weight:400}.nowrap{white-space:nowrap}@media (hover: hover){.var-row .row-learn{opacity:0;transition:opacity .15s ease-out}.var-row:hover .row-learn,.var-row.sel .row-learn,.var-row:focus-within .row-learn{opacity:1}}.board-stats{width:0;min-width:100%;display:flex;flex-direction:column;gap:8px;margin-top:12px}.stats-d>summary{list-style:none;cursor:pointer;color:var(--muted);font-size:14px;min-height:44px;display:flex;align-items:center;gap:4px}.stats-d>summary::-webkit-details-marker{display:none}.stats-d>summary:after{content:"▾"}.stats-d[open]>summary:after{content:"▴"}.more-menu{position:relative}.more-menu summary{list-style:none;cursor:pointer;padding:6px 12px;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel-2);font-weight:800;line-height:1.2}.more-menu summary::-webkit-details-marker{display:none}.more-menu[open] summary{border-color:var(--accent)}.more-pop{position:absolute;z-index:5;top:calc(100% + 4px);left:0;display:flex;flex-direction:column;gap:2px;min-width:180px;padding:4px;white-space:nowrap;background:var(--panel);box-shadow:0 8px 20px var(--shadow);animation:fadeIn .15s ease-out}.more-pop button{width:100%;justify-content:flex-start;background:none;border:none;box-shadow:none;padding:8px 12px;font-size:14px}.more-pop button:hover:not(:disabled){background:var(--panel-2)}.turn{font-size:14px;font-weight:700;color:var(--muted)}.turn.mine{color:var(--accent-2)}.review-turn{text-align:center;margin-top:6px;overflow-wrap:anywhere}.celebrate.quiet .cel-badge{animation:pop .2s cubic-bezier(.34,1.56,.64,1) both}.settings-link{color:var(--muted);font-size:20px;line-height:1;padding:8px;border-radius:var(--radius);margin-left:4px}.settings-link:hover,.settings-link.active{color:var(--text);background:var(--panel-2)}.narrow-only{display:none}@media (max-width: 899px){.wide-only{display:none}.narrow-only{display:flex}.variations,.gaps,.lines{max-height:none;overflow:visible}.narration{max-height:34vh;overflow-y:auto;overscroll-behavior:contain;border-radius:var(--radius);background:var(--panel);padding:4px}}@media (max-width: 640px){.topbar nav{position:fixed;z-index:20;left:0;right:0;bottom:0;display:flex;justify-content:space-around;gap:0;background:var(--bg);border-top:1px solid var(--border);padding:4px 4px calc(4px + env(safe-area-inset-bottom));overflow:visible}.topbar nav a{flex:1;text-align:center;padding:12px 4px;min-height:48px;display:flex;align-items:center;justify-content:center}.topbar{justify-content:space-between}main{padding-bottom:calc(72px + env(safe-area-inset-bottom))}.family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.family-bottom{flex-wrap:wrap}.family-count{display:none}}@media (pointer: coarse){input,textarea,select{font-size:16px}button,.button{min-height:44px}button.small{min-height:40px}button.link{padding:10px 0}.var-row{min-height:48px}.more-menu summary{min-width:44px;min-height:44px;display:grid;place-items:center}}.touch-only{display:none}@media (hover: none){.touch-only{display:flex}}@media (hover: none){.opening-page .board.interactive{touch-action:pan-y}}.practice-empty{max-width:420px;margin:40px auto;text-align:center}.practice-empty .row-actions{justify-content:center}.show-all{align-self:flex-start;margin:4px 0 0 8px}.why{font-size:14px;color:var(--text);line-height:1.45;padding:8px 12px;border-radius:var(--radius);background:color-mix(in srgb,var(--great) 10%,var(--panel));border-left:0;animation:fadeIn .15s ease-out}.why b{color:color-mix(in srgb,var(--great) 70%,var(--text));margin-right:2px}.board-col>.why{margin-top:8px;width:0;min-width:100%;box-sizing:border-box}.narr-why{display:block;color:var(--muted)}.narr-row.cur .narr-why{color:var(--text)}.more-links{display:flex;flex-wrap:wrap;gap:4px 16px;justify-content:center;font-size:14px;margin:8px 0}.more-links a{color:var(--muted);padding:8px 4px}.more-links a:hover{color:var(--text)}.card.done .more-links{flex-basis:100%}.gap-card{display:flex;flex-direction:column;gap:8px}.gap-head{font-size:20px}.account-row{display:flex;align-items:center;gap:12px}.avatar{width:40px;height:40px;border-radius:50%}.google-button{min-height:44px}.pro-chip{display:inline-block;padding:2px 10px;border-radius:999px;font-size:14px;font-weight:800;background:color-mix(in srgb,var(--gold) 25%,var(--panel));color:var(--gold);border:1px solid color-mix(in srgb,var(--gold) 60%,transparent)}.pro-gate .pro-chip,.modal .pro-chip{margin-bottom:8px}.modal-back{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;background:#0000008c;display:grid;place-items:center;padding:16px;animation:fadeIn .15s ease-out}.modal{max-width:420px;text-align:center;animation:pop .25s cubic-bezier(.34,1.56,.64,1)}.modal .row-actions{justify-content:center}.pro-page{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:16px}.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:16px}.plan{display:flex;flex-direction:column;gap:12px}.plan h3{margin:0;display:flex;align-items:center;gap:8px}.plan.pro{border-color:color-mix(in srgb,var(--gold) 55%,var(--border))}.plan .price{font-size:20px;font-weight:800}.plan ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:4px}.pro-signin{display:flex;flex-direction:column;gap:8px}.fine-print{font-size:14px}.legal{max-width:720px;margin:0 auto;line-height:1.6}.legal h3{margin:16px 0 4px}.legal ul{padding-left:20px}.beta-chip{margin-left:8px;padding:1px 8px;border-radius:999px;font-size:14px;font-weight:800;color:var(--accent-2);border:1px solid color-mix(in srgb,var(--accent) 60%,transparent);vertical-align:2px}.feedback-link{background:none;border:1px solid var(--border);color:var(--muted);font-size:14px;padding:4px 12px;margin-left:auto}.feedback-link:hover:not(:disabled){color:var(--text);background:var(--panel-2)}.topbar nav+.feedback-link{margin-left:8px}.feedback-modal{text-align:left;display:flex;flex-direction:column;gap:12px;width:min(460px,100%)}.feedback-modal h2{margin:0}.feedback-modal textarea{width:100%;box-sizing:border-box;resize:vertical}.feedback-modal .row-actions{justify-content:flex-start}.beta-note{color:var(--accent-2);font-weight:700}.hero-pitch{margin:0 0 8px}.misclick{margin-top:4px;font-size:14px}.watch-narrow{flex-direction:column;gap:8px;margin-top:8px}.watch-narrow .narration{max-height:26vh}.next-why .why{background:color-mix(in srgb,var(--accent) 16%,var(--panel))}.next-why .why b{color:var(--accent-2)}.explain{flex-direction:column;gap:8px}.wide-only.explain{display:flex}.board-col>.narrow-only.explain{margin-top:8px;width:0;min-width:100%}@media (max-width: 899px){.wide-only.explain{display:none}}.celebrate.blunder{--c: var(--red)}.sq-mark.blunder{background:color-mix(in srgb,var(--red) 45%,transparent)}.sac.blunder{background:var(--red)}:root{--mark-attack: rgba(228, 116, 104, .95);--mark-defend: rgba(120, 175, 95, .95)}.marks-key{display:flex;gap:12px;font-size:14px;color:var(--muted)}.marks-key span{display:inline-flex;align-items:center;gap:6px}.marks-key i{width:12px;height:12px;border-radius:3px;box-shadow:inset 0 0 0 3px var(--mark-attack)}.marks-key i.defend{box-shadow:inset 0 0 0 3px var(--mark-defend)}.board-col>.marks-key{margin-top:6px}.look-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px}.look{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 6px;font-size:13px;border-radius:14px}.look.on{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent) inset;font-weight:700}.look-pieces{display:flex;border-radius:8px;overflow:hidden}.look-pieces img{width:34px;height:34px;background:var(--l)}.look-pieces img+img{background:var(--d)}.look-swatch{width:68px;height:34px;border-radius:8px;background:conic-gradient(var(--d) 0 25%,var(--l) 0 50%,var(--d) 0 75%,var(--l) 0) 0 0 / 34px 34px}.brand{min-height:44px}.feedback-link{display:inline-flex;align-items:center;gap:6px;min-height:44px}.feedback-icon{display:none;flex:none}.settings-link{min-width:44px;min-height:44px;display:inline-grid;place-items:center;padding:0}@media (max-width: 640px){.topbar .feedback-link{width:44px;justify-content:center;padding:0;margin-left:auto;border-color:transparent}.feedback-icon{display:block}.feedback-text{display:none}.settings-link{margin-left:0}.beta-chip{margin-left:6px}}@media (max-width: 640px){.app[data-focus] .topbar nav{display:none}.app[data-focus] main{padding-bottom:16px}}.action-bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.action-bar-space{display:none}@media (max-width: 899px){.action-bar{position:fixed;z-index:15;left:0;right:0;bottom:0;margin:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--bg) 94%,transparent);border-top:1px solid var(--border);justify-content:center;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:barIn .2s ease-out both}.action-bar>button{flex:1 1 0;justify-content:center;min-height:48px;max-width:420px}.action-bar>button.primary{flex-grow:2}.action-bar-space{display:block;height:calc(76px + env(safe-area-inset-bottom))}.app[data-focus] main{--board-reserve: 250px}.board-row{justify-content:center}.side>.card.done,.side>.fix-card{order:-1}}@media (max-width: 640px){.app:not([data-focus]) .action-bar{bottom:calc(57px + env(safe-area-inset-bottom))}}@keyframes barIn{0%{transform:translateY(100%)}to{transform:none}}.big-btn{min-height:48px}.lesson-sub{font-size:14px;margin-top:-4px}.done-more{margin-top:6px}.done-back{font-size:14px}.done-back .link{min-height:44px}.steps .part-label{align-self:center;font-size:14px;margin-right:6px}.first-home{max-width:1100px;margin:0 auto}.first-hero{display:flex;flex-direction:column;gap:10px}.first-intro h1{margin:0;font-size:22px;line-height:1.25;font-weight:800}.first-pitch{margin:4px 0 0;color:var(--muted)}.first-pitch b{color:var(--accent-2)}.first-home .tp-prompt{font-size:16px}.first-home .tp-caption{color:var(--gold-text)}.first-lesson-btn{align-self:stretch;justify-content:center;min-height:44px}.first-foot{display:flex;flex-direction:column;gap:4px}.first-foot .see-all{align-self:flex-start}.first-how{display:none;margin:8px 0 0;padding-left:20px;color:var(--muted);font-size:14px;line-height:1.5}@media (min-width: 900px){.first-how{display:block}.first-home .tp-top{gap:14px}}.see-all{padding:12px 4px;font-size:14px;min-height:44px;display:inline-flex;align-items:center}.library-filters input[type=search]{min-height:44px}.browse-btn{align-self:flex-start;margin-top:8px;min-height:44px;display:inline-flex;align-items:center;justify-content:center}@media (max-width: 899px){.first-home{--board-reserve: 368px;gap:20px}.first-home .tp-prompt{font-size:15px}.first-hero{gap:8px}.first-intro h1{font-size:20px}.first-pitch{margin-top:2px}}@media (min-width: 900px){.first-hero{padding:24px;border-radius:var(--radius);border:1px solid var(--today-border);background:linear-gradient(135deg,var(--accent-soft),var(--panel) 65%)}.first-intro h1{font-size:28px}.first-lesson-btn{align-self:flex-start}}.search-box{display:flex;gap:8px;margin:4px 0 12px}.search-box input{flex:1;min-height:44px}.search-box button{min-height:44px}.tp.is-solved .tp-prompt,.tp-caption{color:var(--gold-text)}.tp-xp{color:#231d12}.tp-msg.bad{background:var(--red-soft);color:var(--text);box-shadow:inset 3px 0 0 var(--red)}.tp-msg.good{background:var(--accent-soft);color:var(--text)}.library-title{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.library-title h2{margin:0}.build-one{min-height:44px}.build-form{flex-basis:100%;display:flex;flex-direction:column;gap:8px}.family-match{color:var(--accent-2);margin-top:2px}.library-traps{margin:8px 0 12px}.library-loading{text-align:center;padding:8px}.card.family.skeleton{min-height:220px;background:linear-gradient(100deg,var(--panel) 30%,var(--panel-2) 50%,var(--panel) 70%) 0 0 / 300% 100%;animation:shimmer 1.4s ease-in-out infinite}@keyframes shimmer{0%{background-position:100% 0}to{background-position:0 0}}@media (prefers-reduced-motion: reduce){.card.family.skeleton,.action-bar{animation:none}}.notfound{max-width:520px;margin:24px auto;display:flex;flex-direction:column;gap:12px}.notfound p{margin:0}.notfound-trap{max-width:220px}.marks-legend{font-size:14px;color:var(--muted)}.marks-legend summary{cursor:pointer;padding:12px 0;list-style:none;color:var(--accent-2)}.marks-legend summary::-webkit-details-marker{display:none}.marks-legend ul{margin:0 0 8px;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;color:var(--text)}.marks-legend li{display:flex;gap:8px;align-items:center}.more-d{align-self:center;text-align:center;font-size:14px}.more-d>summary{list-style:none;cursor:pointer;color:var(--muted);display:inline-flex;align-items:center;gap:4px;min-height:44px;padding:0 12px}.more-d>summary::-webkit-details-marker{display:none}.more-d>summary:hover{color:var(--text)}.more-d[open]>summary{color:var(--text)}.more-d-items{display:flex;flex-wrap:wrap;justify-content:center;gap:0 16px}.more-d-items a,.more-d-items button.link{color:var(--muted);min-height:44px;display:inline-flex;align-items:center;padding:0 4px;font-size:14px}.more-d-items a:hover,.more-d-items button.link:hover{color:var(--text)}.info-d{display:inline-block;vertical-align:middle}.info-d[open]{display:block}.info-d>summary{list-style:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin:-12px -10px -12px -6px;color:var(--muted);font-size:14px}.info-d>summary::-webkit-details-marker{display:none}.info-d-text{display:block;font-size:13px;color:var(--muted);line-height:1.45;padding:8px 12px;margin-top:6px;border-radius:var(--radius);background:var(--panel-2)}.verdict-word.fine{color:var(--accent-2)}.verdict-word.inaccuracy{color:var(--warn)}.verdict-word.mistake{color:var(--orange)}.verdict-word.blunder{color:var(--red)}.var-row .row-learn,.deep-row button.small,button.small.deep-more{min-height:44px}.course-box.bare{padding:0;background:none;border:0;box-shadow:none}.course-box.bare .row-actions{justify-content:flex-end}