:root{--bg-primary: #0a0e17;--bg-secondary: #111827;--bg-card: #1a2332;--bg-input: #1e293b;--bg-hover: #243044;--bg-message-self: #2563eb;--bg-message-other: #1e293b;--bg-message-system: transparent;--bg-online-dot: #22c55e;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--text-accent: #60a5fa;--text-on-primary: #ffffff;--text-system: #64748b;--border-color: #1e293b;--border-light: #334155;--accent: #3b82f6;--accent-hover: #2563eb;--accent-soft: rgba(59, 130, 246, .15);--danger: #ef4444;--success: #22c55e;--warning: #f59e0b;--gold: #fbbf24;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 8px 24px rgba(0,0,0,.5);--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:var(--text-primary);background:var(--bg-primary);-webkit-font-smoothing:antialiased}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;overflow:hidden}a{color:var(--text-accent);text-decoration:none}a:hover{text-decoration:underline}input,textarea,button{font-family:inherit;font-size:inherit}button{cursor:pointer;border:none;outline:none}.page{display:flex;flex-direction:column;height:100%;padding-top:var(--safe-top);padding-bottom:var(--safe-bottom)}.page-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color);min-height:56px;flex-shrink:0}.page-header h1{font-size:18px;font-weight:600}.page-body{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:var(--radius-md);font-size:15px;font-weight:500;transition:all .2s;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--accent) 0%,#6366f1 100%);color:var(--text-on-primary)}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border-light)}.btn-secondary:hover{background:var(--bg-hover)}.btn-danger{background:var(--danger);color:var(--text-on-primary)}.btn-block{width:100%}.btn-sm{padding:6px 12px;font-size:13px;border-radius:var(--radius-sm)}.input-group{margin-bottom:16px}.input-group label{display:block;font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:6px}.input{width:100%;padding:12px 14px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:15px;transition:border-color .2s}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.input::placeholder{color:var(--text-muted)}.avatar{width:40px;height:40px;border-radius:var(--radius-full);background:linear-gradient(135deg,var(--accent) 0%,#8b5cf6 100%);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;color:var(--text-on-primary);flex-shrink:0;overflow:hidden}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-sm{width:32px;height:32px;font-size:13px}.avatar-lg{width:48px;height:48px;font-size:20px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--radius-full);font-size:11px;font-weight:600}.badge-online{background:#22c55e26;color:var(--success)}.badge-game{background:#fbbf2426;color:var(--gold)}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-muted)}.spinner{width:24px;height:24px;border:2px solid var(--border-light);border-top-color:var(--accent);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;top:20px;left:50%;transform:translate(-50%);padding:10px 20px;background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:9999;font-size:14px;animation:fadeInDown .3s ease}.toast-error{border-color:var(--danger);color:var(--danger)}.toast-success{border-color:var(--success);color:var(--success)}@keyframes fadeInDown{0%{opacity:0;transform:translate(-50%,-20px)}to{opacity:1;transform:translate(-50%)}}