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var(--bg-tertiary);margin-bottom:15px;padding-bottom:10px;font-size:20px}.stat-column p{margin:8px 0;font-size:16px}.restart-btn{background:var(--accent-primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:14px 28px;font-size:18px;font-weight:700;transition:background .2s}.restart-btn:hover{background:var(--accent-primary-hover)}.difficulty-selector{background:var(--bg-secondary);text-align:left;border-radius:8px;margin-top:20px;padding:15px}.difficulty-selector h4{color:var(--text-muted);text-transform:uppercase;margin:0 0 10px;font-size:14px}.difficulty-selector select{background-color:var(--bg-primary);background-image:var(--bg-image,none);width:100%;color:var(--text-primary);border:1px solid var(--bg-tertiary);cursor:pointer;background-position:50%;background-size:cover;background-attachment:fixed;border-radius:6px;padding:10px;font-size:16px}.difficulty-selector select:focus{border-color:var(--accent-secondary);outline:none}.win-reason{color:var(--text-secondary);margin-top:-20px;margin-bottom:25px;font-size:16px;font-weight:500}.piece-container{pointer-events:none;z-index:10;justify-content:center;align-items:center;width:12.5%;height:12.5%;transition:top .5s cubic-bezier(.4,0,.2,1),left .5s cubic-bezier(.4,0,.2,1);display:flex;position:absolute}.profile-modal{max-width:450px}.profile-stats{box-sizing:border-box;grid-template-columns:repeat(2,1fr);gap:15px;margin-bottom:25px;display:grid}.stat-card{background:var(--bg-tertiary);border-radius:8px;flex-direction:column;justify-content:center;align-items:center;padding:15px;display:flex;box-shadow:0 4px 6px #0003}.stat-card.full-width{background:var(--bg-quaternary);grid-column:span 2}.stat-value{color:var(--accent-secondary);font-size:28px;font-weight:700}.stat-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;margin-top:5px;font-size:14px}.profile-button{background:var(--bg-tertiary);color:#fff;border:1px solid var(--bg-quaternary);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:20px;padding:8px 16px;font-weight:500;transition:all .2s;display:flex}.profile-button:hover{background:var(--bg-quaternary);border-color:var(--accent-secondary)}:root.theme-classic{--bg-primary:#a4a7ab;--bg-secondary:#252b36;--bg-tertiary:#313947;--bg-quaternary:#424c5e;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--accent-primary:#d5b895;--accent-primary-hover:#c4a17a;--accent-secondary:#d5b895;--accent-danger:#ef4444;--accent-success:#4ade80;--accent-success-text:#064e3b;--board-light:#d5b895;--board-dark:#293855;--board-border:#a38c71;--piece-white-bg:#d5b895;--piece-white-text:#293855;--piece-black-bg:#1f1f1f;--piece-black-text:#d5b895;--shadow-color:#0009;--bg-image:url(/bg-classic.jpg);--text-on-bg:#1e293b;--text-on-bg-muted:#334155}:root.theme-ruins{--bg-primary:#4b5563;--bg-image:url(/bg-ruins.jpg);--bg-secondary:#1c241fd9;--bg-tertiary:#2d3731e6;--bg-quaternary:#3f4a43;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#9ca3af;--text-on-bg:#fff;--text-on-bg-muted:#e2e8f0;--accent-primary:#5c7055;--accent-primary-hover:#4a5c44;--accent-secondary:#b59a45;--accent-danger:#991b1b;--accent-success:#166534;--accent-success-text:#86efac;--board-light:transparent;--board-dark:transparent;--board-border:transparent;--board-border-width:0px;--board-padding:3.5%;--board-bg-image:url(/board-ruins.jpg);--piece-white-bg:url(/piece-white-texture.png);--piece-white-text:#1e293b;--piece-black-bg:url(/piece-black-texture.jpg);--piece-black-text:#cbd5e1;--shadow-color:#000c}.fixed-chat-widget{-webkit-backdrop-filter:blur(10px);z-index:1100;background:#111827f5;border:1px solid #374151;border-radius:12px;flex-direction:column;width:320px;max-width:calc(100vw - 32px);transition:all .25s;display:flex;position:fixed;bottom:16px;right:16px;overflow:hidden;box-shadow:0 10px 30px #00000080}.fixed-chat-widget.minimized{height:auto}.fixed-chat-header{cursor:pointer;-webkit-user-select:none;user-select:none;background:linear-gradient(135deg,#1e293b,#0f172a);border-bottom:1px solid #334155;justify-content:space-between;align-items:center;padding:8px 12px;display:flex}.fixed-chat-header h3{color:#f8fafc;align-items:center;gap:6px;margin:0;font-size:13px;font-weight:700;display:flex}.fixed-chat-unread-badge{color:#fff;background:#ef4444;border-radius:999px;margin-left:4px;padding:1px 6px;font-size:10px;font-weight:900}.fixed-chat-header-actions{align-items:center;gap:6px;display:flex}.chat-mic-btn{color:#cbd5e1;cursor:pointer;background:#334155;border:1px solid #475569;border-radius:6px;align-items:center;gap:5px;padding:4px 8px;font-size:11px;font-weight:700;transition:all .2s;display:inline-flex}.chat-mic-btn:hover{color:#fff;background:#475569;border-color:#38bdf8}.chat-mic-btn.active{color:#fca5a5;background:linear-gradient(135deg,#ef444440,#b91c1c66);border:1px solid #ef4444;box-shadow:0 0 10px #ef444466}.chat-mic-btn.active.speaking{color:#6ee7b7;background:linear-gradient(135deg,#10b98140,#05966966);border-color:#10b981;box-shadow:0 0 12px #10b98199}.chat-mic-pulse{background:#ef4444;border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite mic-pulse-anim;display:inline-block}.chat-mic-btn.active.speaking .chat-mic-pulse{background:#10b981}@keyframes mic-pulse-anim{0%{opacity:.6;transform:scale(.85)}50%{opacity:1;transform:scale(1.3)}to{opacity:.6;transform:scale(.85)}}.fixed-chat-toggle-btn{color:#94a3b8;cursor:pointer;background:0 0;border:none;padding:2px 4px;font-size:11px}.fixed-chat-body{background:#111827;flex-direction:column;gap:8px;height:260px;padding:8px;display:flex}.fixed-chat-messages{flex-direction:column;flex:1;gap:6px;padding-right:4px;display:flex;overflow-y:auto}.fixed-chat-input-area{align-items:center;gap:6px;display:flex}.user-voice-badge{color:#fca5a5;background:#ef44442e;border:1px solid #ef444466;border-radius:4px;align-items:center;gap:3px;padding:1px 5px;font-size:9px;font-weight:800;transition:all .2s;display:inline-flex}.user-voice-badge.speaking{color:#34d399;background:#10b98140;border-color:#10b981;animation:.8s ease-in-out infinite alternate voice-wave-anim;box-shadow:0 0 8px #10b98180}@keyframes voice-wave-anim{0%{transform:scale(.96)}to{transform:scale(1.05)}}