:root{--bg:#f3f5fa;--surface:#fff;--surface-2:#e9eef7;--text:#12203a;--muted:#51607a;--border:#cfd7e6;--letters:#f2b33d;--letters-strong:#8a5600;--numbers:#2bb3a3;--numbers-strong:#0b6b61;--tile-text:#10192b;--primary:#1f4fd1;--primary-text:#fff;--danger:#b3261e;--success:#1a7a3a;--warn:#c2410c;--buzzer:#d7263d;--focus:#1f4fd1;--shadow:0 1px 2px #10192b14, 0 4px 16px #10192b0f;--radius:12px;--font:system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono:ui-monospace, "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0d1628;--surface:#15223a;--surface-2:#1c2d4b;--text:#edf2fa;--muted:#a7b6cd;--border:#2b3e60;--letters-strong:#f7c768;--numbers-strong:#5fd6c7;--primary:#5b8cff;--primary-text:#0b1322;--danger:#ff7b72;--success:#5ad48a;--warn:#ffab70;--buzzer:#ff4d63;--focus:#8fb0ff;--shadow:0 1px 2px #0000004d, 0 6px 20px #00000040;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0d1628;--surface:#15223a;--surface-2:#1c2d4b;--text:#edf2fa;--muted:#a7b6cd;--border:#2b3e60;--letters-strong:#f7c768;--numbers-strong:#5fd6c7;--primary:#5b8cff;--primary-text:#0b1322;--danger:#ff7b72;--success:#5ad48a;--warn:#ffab70;--buzzer:#ff4d63;--focus:#8fb0ff;--shadow:0 1px 2px #0000004d, 0 6px 20px #00000040;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--text);font-family:var(--font);min-height:100vh;margin:0;font-size:16px;line-height:1.5}h1,h2,h3,h4{margin:0 0 .6em;line-height:1.2}h1{font-size:clamp(1.6rem,4vw,2.2rem)}h2{font-size:1.3rem}a{color:var(--primary)}:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 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0;border:0;padding-left:0}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-key{border-color:var(--letters-strong)}.btn-choice{min-width:120px;font-size:1.05rem}.hero{text-align:center;padding:24px 0 8px}.logo{letter-spacing:-.02em;margin:0;font-size:clamp(2.2rem,8vw,3.6rem);font-weight:900}.logo-a{color:var(--numbers-strong)}.logo-b{color:var(--letters-strong)}.logo-y{color:var(--muted);font-style:italic;font-weight:400}.tagline{color:var(--muted);margin:4px 0 0}.home-menu{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.menu-btn{text-align:left;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start;gap:4px;padding:18px;transition:transform .1s,border-color .15s;display:flex}.menu-btn:hover{border-color:var(--primary);transform:translateY(-2px)}.menu-primary{border:2px solid 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10px;display:grid}.sb-role{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-size:.72rem}.sb-name{grid-row:2;font-weight:700}.sb-points{font-variant-numeric:tabular-nums;grid-area:1/2/span 2;font-size:1.8rem;font-weight:900}.sb-you .sb-points{color:var(--letters-strong)}.sb-cpu .sb-points{color:var(--numbers-strong)}.sb-center{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:0 6px;display:flex}.sb-round{font-weight:700}.sb-meta{color:var(--muted);font-size:.82rem}.key-badge{margin-left:4px}.round{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:14px;padding:18px;display:flex}.round-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.round-title{margin:0;font-size:1.4rem}.round-hint{color:var(--muted);margin:0}.duel-value{color:var(--primary);margin:2px 0 0;font-weight:800}.round-error{border:1px solid var(--danger);border-radius:var(--radius);padding:16px}.tiles{grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;margin:0;padding:0;list-style:none;display:grid}.tiles-sm{grid-template-columns:repeat(auto-fill,minmax(38px,48px))}.tile{aspect-ratio:1/1.1;background:linear-gradient(180deg, #ffd27a, var(--letters));width:100%;color:var(--tile-text);font:inherit;cursor:default;-webkit-user-select:none;user-select:none;border:0;border-radius:10px;place-items:center;font-size:clamp(1.1rem,4.2vw,2rem);font-weight:900;animation:.18s ease-out tile-in;display:grid;box-shadow:inset 0 -3px #0000002e,0 2px 4px #00000026}button.tile{cursor:pointer}button.tile:hover:not(:disabled){filter:brightness(1.06)}.tile-used{opacity:.35;filter:grayscale(.6)}.tile-hidden{background:var(--surface-2);box-shadow:inset 0 0 0 2px var(--border);animation:none}.tiles-sm .tile{aspect-ratio:1;font-size:1.2rem}.tiles-sm .tile:empty{background:var(--surface-2);box-shadow:inset 0 0 0 2px var(--border)}@keyframes tile-in{0%{opacity:0;transform:scale(.6)rotate(-6deg)}}.vowel-picker{flex-wrap:wrap;gap:10px;display:flex}.answer-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.answer-input{border:2px solid var(--border);background:var(--bg);min-width:0;min-height:48px;color:var(--text);font:inherit;letter-spacing:.06em;text-transform:uppercase;border-radius:10px;flex:200px;padding:8px 12px;font-size:1.3rem;font-weight:700}.answer-input::placeholder{text-transform:none;letter-spacing:0;font-size:1rem;font-weight:400}.answer-input:focus{border-color:var(--primary);outline:none}.input-bad{border-color:var(--danger)}.consigned{min-height:1.5em;margin:0}.target{font-family:var(--mono);letter-spacing:.08em;background:var(--tile-text);color:#ffd27a;box-shadow:inset 0 0 0 3px var(--numbers);font-variant-numeric:tabular-nums;border-radius:14px;align-self:center;padding:4px 24px;font-size:clamp(2.6rem,10vw,4rem);font-weight:900}.num-row{flex-wrap:wrap;justify-content:center;gap:8px;margin:0;padding:0;list-style:none;display:flex}.num-chip{text-align:center;background:var(--numbers);min-width:56px;color:var(--tile-text);border-radius:10px;padding:8px 12px;font-size:1.3rem;font-weight:900}.tablet{flex-direction:column;gap:12px;display:flex}.num-tiles{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.num-tile{background:linear-gradient(180deg, #62d5c7, var(--numbers));min-width:72px;min-height:58px;color:var(--tile-text);font:inherit;cursor:pointer;font-variant-numeric:tabular-nums;border:0;border-radius:12px;padding:6px 12px;font-size:1.5rem;font-weight:900;box-shadow:inset 0 -3px #0000002e,0 2px 4px #00000026}.num-derived{background:linear-gradient(#b8c7ff,#8ea6ff)}.num-selected{outline:4px solid var(--primary);outline-offset:2px;transform:translateY(-2px)}.ops{justify-content:center;gap:8px;display:flex}.btn-op{min-width:56px;font-size:1.5rem;font-weight:900}.op-active{background:var(--primary);color:var(--primary-text);border-color:var(--primary)}.tablet-msg{text-align:center;color:var(--muted);min-height:1.5em;margin:0}.tablet-actions{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.steps{font-family:var(--mono);margin:0;padding-left:1.4em}.prompt{flex-direction:column;gap:10px;display:flex}.prompt-line{margin:0;font-size:1.2rem;font-weight:600}.calc-expr{font-family:var(--mono);text-align:center;background:var(--surface-2);overflow-wrap:anywhere;border-radius:12px;margin:0;padding:12px;font-size:clamp(1.2rem,4.4vw,2rem);font-weight:800}.buzzer-zone{flex-direction:column;align-items:center;gap:10px;display:flex}.buzzer{aspect-ratio:1;background:radial-gradient(circle at 35% 30%, #ff8a97, var(--buzzer) 60%);color:#fff;width:min(200px,60vw);font:inherit;text-shadow:0 1px 2px #0006;cursor:pointer;border:6px solid #00000026;border-radius:50%;font-size:1.6rem;font-weight:900;transition:transform 60ms;box-shadow:0 8px #00000040,0 12px 24px #00000040}.buzzer:active{transform:translateY(6px);box-shadow:0 2px #00000040}.cpu-buzz{color:var(--warn);text-align:center;font-weight:700}.clock{flex:none;place-items:center;display:grid;position:relative}.clock-lg{width:96px;height:96px}.clock-sm{width:52px;height:52px}.clock svg{width:100%;height:100%;position:absolute;inset:0}.clock-track{fill:var(--surface-2);stroke:var(--border);stroke-width:8px}.clock-bar{fill:none;stroke:var(--numbers);stroke-width:8px;stroke-linecap:round;transition:stroke-dashoffset .1s linear}.clock-value{font-variant-numeric:tabular-nums;font-size:2rem;font-weight:900;position:relative}.clock-sm .clock-value{font-size:1.1rem}.clock-warn .clock-bar{stroke:var(--buzzer)}.clock-warn .clock-value{color:var(--buzzer);animation:1s infinite pulse}.clock-paused .clock-bar{stroke:var(--muted)}@keyframes pulse{50%{transform:scale(1.12)}}.summary{flex-direction:column;gap:12px;display:flex}.summary-table{border-collapse:collapse;width:100%}.summary-table th,.summary-table td{border-bottom:1px solid var(--border);text-align:left;vertical-align:top;padding:8px 10px}.summary-table thead th{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-size:.8rem}.summary-table td.num{text-align:right}.row-win td,.row-win th{background:color-mix(in srgb, var(--success) 12%, transparent)}.summary-note{margin:0;font-weight:700}.expert{background:var(--surface-2);border-radius:10px;padding:12px 14px}.expert h3{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:4px;font-size:.85rem}.expert-main{overflow-wrap:anywhere;margin:0 0 6px;font-size:1.2rem;font-weight:800}.more-words summary{cursor:pointer;color:var(--primary)}.claim{border-top:1px solid var(--border);margin-top:8px;padding-top:8px}.claim h4{margin-bottom:6px;font-size:.95rem}.claim-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:6px;display:flex}.table-scroll{overflow-x:auto}.final-theme{margin:4px 0 0;font-size:1.1rem}.rules-list{margin:0;padding-left:1.3em}.final-progress{grid-template-columns:repeat(12,minmax(0,1fr));gap:4px;margin:0;padding:0;list-style:none;display:grid}.fp{background:var(--surface-2);border:2px solid #0000;border-radius:8px;place-items:center;height:34px;font-size:.9rem;font-weight:800;display:grid}.fp-solved{background:var(--success);color:#fff}.fp-key{background:var(--letters);color:var(--tile-text)}.fp-current{border-color:var(--primary)}.final-current{flex-direction:column;gap:8px;display:flex}.final-feedback{min-height:1.5em;margin:0;font-weight:700}.final-result{text-align:center}.prize{color:var(--letters-strong);margin:0;font-size:2rem;font-weight:900}.final-words{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:6px;margin:0;padding-left:1.6em;display:grid}.fw{grid-template-columns:1fr auto;column-gap:8px;display:grid}.fw-word{font-weight:800}.fw-group{font-family:var(--mono);color:var(--muted);letter-spacing:.1em;grid-column:1/-1;font-size:.8rem}.fw-solved .fw-status,.fw-key .fw-status{color:var(--success)}.fw-pending .fw-status{color:var(--danger)}.practice-form{flex-direction:column;gap:16px;display:flex}fieldset{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);margin:0;padding:12px 16px 16px}legend{padding:0 6px;font-weight:800}.kind-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;display:grid}.kind-group{flex-direction:column;gap:8px;display:flex}.kind-group-title{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:4px 0 0;font-size:.8rem}.kind-card{border:1px solid var(--border);cursor:pointer;background:var(--bg);border-radius:10px;grid-template-columns:auto 1fr;column-gap:10px;padding:10px 12px;display:grid}.kind-card input{width:18px;height:18px;accent-color:var(--primary);grid-row:1/span 2;align-self:center}.kind-selected{border-color:var(--primary);box-shadow:0 0 0 1px var(--primary)}.kind-name{font-weight:700}.kind-desc{color:var(--muted);font-size:.85rem}.options{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;display:grid}.field{flex-direction:column;gap:4px;font-weight:600;display:flex}.field select,.field input:not([type=checkbox]){border:1px solid var(--border);background:var(--bg);min-height:44px;color:var(--text);font:inherit;border-radius:10px;padding:6px 10px;font-weight:400}.field-check{flex-direction:row;align-items:center;gap:10px;min-height:44px}.field-check input{width:20px;height:20px;accent-color:var(--primary)}.practice-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;display:flex}.practice-title{font-weight:800}.seed-badge{border:1px solid var(--border);background:var(--surface);color:var(--text);font:inherit;cursor:pointer;border-radius:999px;align-items:center;gap:6px;padding:4px 10px;font-size:.85rem;display:inline-flex}.seed-label{color:var(--muted)}.program-foot{justify-content:flex-end;display:flex}.kv{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:0;display:grid}.kv>div{background:var(--surface-2);border-radius:10px;padding:10px 12px}.kv dt{color:var(--muted);font-size:.8rem}.kv dd{margin:0;font-size:1.2rem;font-weight:800}.lists{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:12px;display:grid}.word-list{flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex}.word-list li{background:var(--surface-2);border-radius:999px;align-items:center;gap:4px;padding:2px 4px 2px 10px;display:inline-flex}@media (max-width:640px){.topbar{flex-wrap:wrap;padding:8px 12px}.brand-text{clip:rect(0, 0, 0, 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.topnav{order:3;width:100%;margin-left:0}.icon-btn{margin-left:auto}main{padding:14px 12px 40px}.round{padding:14px 12px}.tiles{grid-template-columns:repeat(5,minmax(0,1fr))}.tiles .tile{font-size:1.6rem}.scoreboard{grid-template-columns:1fr 1fr;top:104px}.sb-center{grid-area:1/1/auto/-1}.sb-points{font-size:1.4rem}.clock-lg{width:76px;height:76px}.clock-lg .clock-value{font-size:1.6rem}.final-progress{grid-template-columns:repeat(6,minmax(0,1fr))}.summary-table th,.summary-table td{padding:6px;font-size:.9rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}:root[data-reduce-motion] *,:root[data-reduce-motion] :before,:root[data-reduce-motion] :after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}