[data-word-ladder-root]{color-scheme:light;--wl-bg:#f6f7fb;--wl-panel:#ffffff;--wl-panel-alt:#eef1f7;--wl-border:rgba(15,23,42,0.12);--wl-text:#101320;--wl-text-muted:rgba(16,19,32,0.6);--wl-accent:#0066ff;--wl-accent-dark:#0052cc;--wl-accent-soft:rgba(0,102,255,0.12);--wl-accent-hover:rgba(0,102,255,0.16);--wl-error:#d7354a;--wl-success:#0b9b6b;--wl-pill-active-text:#ffffff;--wl-button-text:#ffffff;--wl-step-bg:rgba(255,255,255,0.02);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;display:block;min-height:100%;padding:24px;background:var(--wl-bg);color:var(--wl-text)}.wl-app{max-width:960px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.wl-header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.wl-title{margin:0;font-size:28px;font-weight:700}.wl-subtitle{margin:4px 0 0;color:var(--wl-text-muted);font-size:15px;line-height:1.4}.wl-controls{flex-wrap:wrap;gap:16px;justify-content:space-between;padding:16px;background:var(--wl-panel);border-radius:16px;border:1px solid var(--wl-border)}.wl-controls,.wl-mode-group{display:flex;align-items:center}.wl-mode-group{gap:12px}.wl-pill{border:none;border-radius:999px;padding:8px 14px;background:var(--wl-accent-soft);color:var(--wl-accent-dark);font-weight:600;cursor:pointer;transition:background .15s ease}.wl-pill.is-active{background:var(--wl-accent);color:var(--wl-pill-active-text)}.wl-pill:hover{background:var(--wl-accent-hover)}.wl-practice{display:flex;gap:8px;align-items:center}.wl-practice select{background:var(--wl-panel-alt);border:1px solid var(--wl-border);color:var(--wl-text);border-radius:12px;padding:6px 12px}.wl-practice-label{font-size:14px;color:var(--wl-text-muted)}.wl-meta{display:flex;gap:16px;align-items:center;flex-wrap:wrap;font-size:14px}.wl-label{margin-right:6px;font-size:13px;text-transform:uppercase;letter-spacing:.04em}.wl-label,.wl-separator{color:var(--wl-text-muted)}.wl-separator{padding:0 4px}.wl-board{grid-gap:16px}.wl-board,.wl-words{display:grid;gap:16px}.wl-words{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px}.wl-word-card{padding:16px;border-radius:16px;border:1px solid var(--wl-border);background:var(--wl-panel);display:flex;flex-direction:column;gap:8px}.wl-word-card h2{margin:0;font-size:14px;letter-spacing:.05em;text-transform:uppercase;color:var(--wl-text-muted)}.wl-word{font-size:32px;font-weight:700;letter-spacing:.18em}.wl-step-list{list-style:none;margin:0;padding:16px;display:grid;grid-gap:8px;gap:8px;border-radius:16px;border:1px solid var(--wl-border);background:var(--wl-panel-alt);max-height:260px;overflow-y:auto}.wl-step{display:grid;grid-template-columns:40px 1fr auto;align-items:center;grid-gap:12px;gap:12px;background:var(--wl-step-bg);border-radius:12px;padding:10px 12px}.wl-step-index{font-weight:600;color:var(--wl-text-muted)}.wl-step-word{font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;letter-spacing:.14em;text-transform:uppercase}.wl-step-note{font-size:12px;color:var(--wl-accent)}.wl-action{padding:16px;border-radius:16px;border:1px solid var(--wl-border);background:var(--wl-panel);display:grid;grid-gap:12px;gap:12px}.wl-input-row{display:flex;gap:8px;align-items:center}.wl-input-row input{flex:1 1;padding:12px 14px;border-radius:14px;border:1px solid var(--wl-border);background:var(--wl-panel-alt);color:var(--wl-text);font-size:16px;text-transform:uppercase;letter-spacing:.08em}.wl-input-row button{padding:12px 18px;border-radius:14px;border:none;background:var(--wl-accent);color:var(--wl-button-text);font-weight:600;cursor:pointer}.wl-error{color:var(--wl-error);font-weight:600;margin:0}.wl-actions{display:flex;gap:8px;flex-wrap:wrap}.wl-secondary{border:1px solid var(--wl-border);background:var(--wl-panel-alt);color:var(--wl-text);border-radius:12px;padding:10px 14px;cursor:pointer}.wl-hint{border-radius:12px;padding:12px 14px;background:var(--wl-accent-soft);color:var(--wl-accent);font-weight:600}.wl-loading{color:var(--wl-text-muted);font-size:13px;margin:4px 0 0}.wl-failed,.wl-success{border-radius:14px;padding:16px;background:var(--wl-panel-alt);border:1px solid var(--wl-border);display:grid;grid-gap:8px;gap:8px}.wl-success h3{margin:0;color:var(--wl-success)}.wl-failed h3{margin:0;color:var(--wl-error)}.wl-dictionary{padding:16px;border-radius:16px;border:1px solid var(--wl-border);background:var(--wl-panel)}.wl-dictionary details{cursor:pointer;font-size:14px;color:var(--wl-text-muted)}.wl-dictionary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));grid-gap:8px;gap:8px;margin-top:12px;font-family:JetBrains Mono,ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;text-transform:uppercase;letter-spacing:.08em}.wl-dictionary-grid,.wl-empty{color:var(--wl-text-muted)}.wl-start-screen{padding:32px;border-radius:16px;border:1px solid var(--wl-border);background:var(--wl-panel);text-align:center}.wl-start-content{max-width:400px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.wl-start-intro{color:var(--wl-text-muted);font-size:16px;line-height:1.5;margin:0}.wl-start-actions{display:flex;flex-direction:column;gap:16px;align-items:center}.wl-start-btn{padding:16px 32px;border-radius:14px;border:none;background:var(--wl-accent);color:var(--wl-button-text);font-size:18px;font-weight:600;cursor:pointer;transition:transform .15s ease;min-width:240px}.wl-start-btn:hover{transform:translateY(-2px)}.wl-start-btn--secondary{background:var(--wl-panel-alt);color:var(--wl-text);border:1px solid var(--wl-border);font-size:16px;padding:12px 24px}.wl-start-btn--secondary:hover{transform:translateY(-2px)}.wl-start-practice{display:flex;flex-direction:column;gap:8px;align-items:center}.wl-start-or{color:var(--wl-text-muted);font-size:14px}@media (max-width:720px){[data-word-ladder-root]{padding:16px}.wl-app{gap:20px}.wl-header{flex-direction:column}.wl-mode-group{flex-wrap:wrap}.wl-step-list{max-height:200px}}:root{color-scheme:dark;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}[data-theme=light]{color-scheme:light}.rr-app{max-width:960px;margin:0 auto;padding:24px 16px 48px;color:var(--rr-text,#f5f6f9);background:var(--rr-bg,#0b0d15);min-height:100vh;display:flex;flex-direction:column;gap:24px}.rr-app[data-theme=light]{--rr-bg:#f7f8fb;--rr-surface:#ffffff;--rr-text:#111827;--rr-muted:#4b5563;--rr-border:rgba(15,23,42,0.12);--rr-accent:#2563eb;--rr-danger:#dc2626}.rr-app:not([data-theme=light]){--rr-bg:#05060a;--rr-surface:#11131c;--rr-text:#f8fafc;--rr-muted:#9ca3af;--rr-border:rgba(148,163,184,0.18);--rr-accent:#60a5fa;--rr-danger:#f87171}.rr-header{display:flex;flex-direction:column;gap:16px;background:var(--rr-surface);padding:24px;border-radius:16px;box-shadow:0 10px 40px rgba(15,23,42,.18);border:1px solid var(--rr-border)}.rr-header-top{display:flex;justify-content:space-between;align-items:center;gap:12px}.rr-title{margin:0;font-size:clamp(1.8rem,2vw + 1.4rem,2.4rem)}.rr-subtitle{margin:0;color:var(--rr-muted);font-size:.95rem}.rr-pill-group{display:inline-flex;background:rgba(148,163,184,.08);border-radius:999px;padding:4px;gap:4px;width:-moz-fit-content;width:fit-content}.rr-pill{border:0;background:transparent;color:var(--rr-muted);padding:8px 18px;font-size:.9rem;border-radius:999px;cursor:pointer;transition:background .2s ease,color .2s ease}.rr-pill.is-active{background:rgba(96,165,250,.18);color:var(--rr-text);font-weight:600}.rr-main{display:flex;flex-direction:column;gap:20px}.rr-status{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));grid-gap:12px;gap:12px}.rr-stat{background:var(--rr-surface);border:1px solid var(--rr-border);border-radius:12px;padding:12px}.rr-stat-label{display:block;color:var(--rr-muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}.rr-stat-value{font-size:1.1rem;font-weight:600}.rr-timer{height:8px;background:rgba(96,165,250,.15);border-radius:999px;overflow:hidden}.rr-timer-bar{height:100%;background:var(--rr-accent);transition:width .1s linear}.rr-intro{background:var(--rr-surface);border-radius:16px;border:1px solid var(--rr-border);padding:20px;color:var(--rr-muted);line-height:1.6}.rr-intro em{font-style:normal;color:var(--rr-text);font-weight:600}.rr-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.rr-button{border:0;border-radius:12px;padding:10px 18px;font-weight:600;font-size:.95rem;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,opacity .2s ease;background:var(--rr-accent);color:#050505;box-shadow:0 10px 32px rgba(37,99,235,.28)}.rr-button:hover:not(:disabled){transform:translateY(-1px)}.rr-button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}.rr-button.ghost{background:transparent;color:var(--rr-text);box-shadow:none;border:1px solid rgba(96,165,250,.32)}.rr-button.danger{background:var(--rr-danger);color:#1a0505;box-shadow:0 10px 32px rgba(220,38,38,.28)}.rr-app[data-theme=light] .rr-button,.rr-app[data-theme=light] .rr-button.danger{color:#ffffff}.rr-app[data-theme=light] .rr-button.ghost{color:var(--rr-text)}.rr-board{display:grid;grid-gap:10px;gap:10px;padding:18px;border-radius:20px;background:var(--rr-surface);border:1px solid var(--rr-border);box-shadow:inset 0 0 0 1px rgba(96,165,250,.04);transition:transform .2s ease}.rr-board--shake{animation:rr-shake .22s ease}@keyframes rr-shake{0%{transform:translateX(0)}25%{transform:translateX(-6px)}50%{transform:translateX(5px)}75%{transform:translateX(-4px)}to{transform:translateX(0)}}.rr-tile{background:rgba(96,165,250,.12);border:1px solid rgba(96,165,250,.25);border-radius:14px;display:flex;align-items:center;justify-content:center;padding:12px;cursor:pointer;transition:transform .1s ease,background .15s ease,border .15s ease}.rr-tile:hover{transform:translateY(-2px);background:rgba(96,165,250,.24)}.rr-glyph{font-size:clamp(1.9rem,2vw + 1.3rem,3rem);font-weight:700;display:block;transform-origin:50% 50%}.rr-hint{background:rgba(96,165,250,.12);border-left:4px solid var(--rr-accent);padding:12px 16px;border-radius:10px;color:var(--rr-text);font-size:.9rem}.rr-summary{background:var(--rr-surface);border-radius:16px;border:1px solid var(--rr-border);padding:20px;box-shadow:0 12px 32px rgba(15,23,42,.22)}.rr-summary h2{margin-top:0}.rr-summary-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:12px}.rr-note{margin-top:16px;font-size:.85rem}.rr-footer,.rr-note{color:var(--rr-muted)}.rr-footer{margin-top:auto;font-size:.8rem;text-align:center;padding-bottom:12px}@media (max-width:640px){.rr-app{padding:16px 12px 32px}.rr-header{padding:20px}.rr-board{padding:14px;gap:8px}.rr-glyph{font-size:clamp(1.6rem,5vw,2.6rem)}}