*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--surface: #1e293b;--surface2: #334155;--border: #475569;--text: #f1f5f9;--text-muted: #94a3b8;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}.header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.header h1{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.header h1 span{color:var(--text-muted);font-weight:400}.stats{display:flex;align-items:center;gap:20px;font-size:.875rem;color:var(--text-muted)}.stats strong{color:var(--text)}.new-game-btn{padding:5px 14px;border-radius:6px;border:1px solid var(--border);background:transparent;color:var(--text-muted);font-size:.8rem;cursor:pointer;transition:background .15s,color .15s}.new-game-btn:hover{background:var(--surface2);color:var(--text)}.layout{display:grid;grid-template-columns:1fr 320px;flex:1;overflow:hidden}@media (max-width: 900px){.layout{grid-template-columns:1fr;grid-template-rows:1fr auto}}.word-grid-wrapper{padding:16px;overflow-y:auto;max-height:calc(100vh - 65px)}.word-grid{display:flex;flex-wrap:wrap;gap:6px;align-content:flex-start}.word-btn{padding:8px 14px;border-radius:var(--radius);border:2px solid var(--border);background:var(--surface);color:var(--text);font-size:.8rem;font-weight:500;cursor:pointer;transition:background .1s,border-color .1s,transform .1s;white-space:nowrap;-webkit-user-select:none;user-select:none}.word-btn:hover{background:var(--surface2);border-color:#94a3b8}.word-btn.selected{background:#1d4ed8;border-color:#3b82f6;color:#fff;transform:translateY(-2px)}.word-btn.found{opacity:.3;pointer-events:none;transform:none}.word-btn.error{animation:shake .35s ease;background:#7f1d1d;border-color:#ef4444}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.sidebar{border-left:1px solid var(--border);overflow-y:auto;max-height:calc(100vh - 65px);padding:12px;display:flex;flex-direction:column;gap:8px}@media (max-width: 900px){.sidebar{border-left:none;border-top:1px solid var(--border);max-height:280px}}.sidebar h2{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);padding-bottom:4px}.group-progress{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:border-color .15s,transform .1s}.group-target{border-color:#475569;cursor:pointer}.group-target:hover{border-color:#94a3b8;transform:translate(-2px)}.group-error{border-color:#ef4444!important;animation:groupShake .35s ease}.group-complete{opacity:.7}@keyframes groupShake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.group-header{display:flex;align-items:center;justify-content:space-between;padding:8px 10px;font-size:.78rem;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none;transition:filter .1s}.group-header-target:hover{filter:brightness(1.4)}.group-header-error{animation:groupShake .35s ease;background:#7f1d1d!important}.group-header .group-name{display:flex;align-items:center;gap:8px}.group-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.group-count{font-size:.7rem;color:var(--text-muted)}.group-words{padding:8px 10px 10px;display:flex;flex-wrap:wrap;gap:5px;background:#0003}.group-word-chip{padding:5px 10px;border-radius:5px;font-size:.78rem;font-weight:500;line-height:1.3;white-space:nowrap}.hint{text-align:center;font-size:.8rem;color:var(--text-muted);padding:12px}.win-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.win-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:40px 48px;text-align:center;max-width:420px;width:90%}.win-card h2{font-size:2rem;margin-bottom:8px}.win-card p{color:var(--text-muted);margin-bottom:24px}.win-card button{padding:10px 28px;border-radius:8px;border:none;background:#2563eb;color:#fff;font-size:1rem;font-weight:600;cursor:pointer}.win-card button:hover{background:#1d4ed8}.selected-hint{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#1e3a5f;border-bottom:1px solid var(--border);font-size:.8rem;color:#93c5fd;min-height:37px}