:root{--bg-base: #0a0c10;--bg-surface: #12151d;--bg-surface-elevated: #181d28;--bg-surface-hover: #1e2433;--bg-glass: rgba(18, 21, 29, .85);--primary: #f59e0b;--primary-hover: #fbbf24;--primary-glow: rgba(245, 158, 11, .2);--e2e-cyan: #06b6d4;--e2e-cyan-glow: rgba(6, 182, 212, .15);--e2e-badge-bg: rgba(6, 182, 212, .12);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .15);--success: #10b981;--warning: #f59e0b;--text-main: #f9fafb;--text-muted: #9ca3af;--text-dim: #6b7280;--border: rgba(255, 255, 255, .08);--border-focus: rgba(245, 158, 11, .5);--font-display: "Outfit", -apple-system, BlinkMacSystemFont, sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", monospace;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px var(--primary-glow)}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg-base: #f3f4f6;--bg-surface: #ffffff;--bg-surface-elevated: #f9fafb;--bg-surface-hover: #e5e7eb;--bg-glass: rgba(255, 255, 255, .85);--primary: #f59e0b;--primary-hover: #d97706;--primary-glow: rgba(245, 158, 11, .15);--e2e-cyan: #0891b2;--e2e-cyan-glow: rgba(8, 145, 178, .15);--e2e-badge-bg: rgba(8, 145, 178, .1);--danger: #dc2626;--danger-bg: rgba(220, 38, 38, .1);--success: #059669;--warning: #d97706;--text-main: #111827;--text-muted: #4b5563;--text-dim: #6b7280;--border: rgba(0, 0, 0, .12);--border-focus: rgba(245, 158, 11, .4);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--shadow-glow: 0 0 15px var(--primary-glow)}}:root[data-theme=light]{--bg-base: #f3f4f6;--bg-surface: #ffffff;--bg-surface-elevated: #f9fafb;--bg-surface-hover: #e5e7eb;--bg-glass: rgba(255, 255, 255, .85);--primary: #f59e0b;--primary-hover: #d97706;--primary-glow: rgba(245, 158, 11, .15);--e2e-cyan: #0891b2;--e2e-cyan-glow: rgba(8, 145, 178, .15);--e2e-badge-bg: rgba(8, 145, 178, .1);--danger: #dc2626;--danger-bg: rgba(220, 38, 38, .1);--success: #059669;--warning: #d97706;--text-main: #111827;--text-muted: #4b5563;--text-dim: #6b7280;--border: rgba(0, 0, 0, .12);--border-focus: rgba(245, 158, 11, .4);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 8px 24px rgba(0, 0, 0, .08);--shadow-glow: 0 0 15px var(--primary-glow)}:root[data-theme=dark]{--bg-base: #0a0c10;--bg-surface: #12151d;--bg-surface-elevated: #181d28;--bg-surface-hover: #1e2433;--bg-glass: rgba(18, 21, 29, .85);--primary: #f59e0b;--primary-hover: #fbbf24;--primary-glow: rgba(245, 158, 11, .2);--e2e-cyan: #06b6d4;--e2e-cyan-glow: rgba(6, 182, 212, .15);--e2e-badge-bg: rgba(6, 182, 212, .12);--danger: #ef4444;--danger-bg: rgba(239, 68, 68, .15);--success: #10b981;--warning: #f59e0b;--text-main: #f9fafb;--text-muted: #9ca3af;--text-dim: #6b7280;--border: rgba(255, 255, 255, .08);--border-focus: rgba(245, 158, 11, .5);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .4);--shadow-glow: 0 0 20px var(--primary-glow)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-base);color:var(--text-main);font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden;height:100vh;width:100vw}#root{height:100%;width:100%;display:flex;flex-direction:column}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1f;border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:#ffffff40}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;font-size:.875rem;font-weight:600;font-family:var(--font-body);border-radius:var(--radius-md);cursor:pointer;transition:all .18s ease;border:1px solid transparent;outline:none}.btn-primary{background:linear-gradient(135deg,#f59e0b,#d97706);color:#000;box-shadow:var(--shadow-glow)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,#fbbf24,#f59e0b);transform:translateY(-1px);box-shadow:0 0 25px #f59e0b66}.btn-secondary{background:var(--bg-surface-elevated);color:var(--text-main);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-surface-hover);border-color:#ffffff2e;color:#fff}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--bg-surface-hover);color:var(--text-main)}.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(239,68,68,.3)}.btn-danger:hover:not(:disabled){background:var(--danger);color:#fff}.btn-icon{padding:8px;border-radius:var(--radius-md)}.btn:disabled{opacity:.5;cursor:not-allowed}.input-field{width:100%;padding:10px 14px;background:var(--bg-base);border:1px solid var(--border);border-radius:var(--radius-md);color:var(--text-main);font-family:var(--font-body);font-size:.9rem;transition:all .2s ease;outline:none}.input-field:focus{border-color:var(--border-focus);box-shadow:0 0 0 2px var(--primary-glow)}.input-field::placeholder{color:var(--text-dim)}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:var(--radius-full);font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.badge-e2e{background:var(--e2e-badge-bg);color:var(--e2e-cyan);border:1px solid rgba(6,182,212,.3)}.badge-guest{background:#9ca3af26;color:#d1d5db;border:1px solid rgba(156,163,175,.25)}.badge-admin{background:#f59e0b26;color:var(--primary);border:1px solid rgba(245,158,11,.3)}.badge-unread{background:var(--primary);color:#000;font-size:.7rem;font-weight:700;min-width:18px;height:18px;border-radius:9px;padding:0 5px;display:flex;align-items:center;justify-content:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100;padding:16px;animation:fadeIn .2s ease-out}.modal-content{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:480px;overflow:hidden;animation:scaleUp .2s ease-out}.modal-header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.modal-title{font-family:var(--font-display);font-size:1.2rem;font-weight:700;display:flex;align-items:center;gap:10px}.modal-body{padding:24px;display:flex;flex-direction:column;gap:16px}.modal-footer{padding:16px 24px;border-top:1px solid var(--border);background:var(--bg-surface-elevated);display:flex;justify-content:flex-end;gap:12px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}.app-container{display:flex;height:100vh;width:100vw;background:var(--bg-base);overflow:hidden}.main-chat-area{flex:1;display:flex;flex-direction:column;background:var(--bg-surface);position:relative;overflow:hidden}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-online{background-color:var(--success);box-shadow:0 0 8px var(--success)}.status-connecting{background-color:var(--warning);animation:pulse 1.5s infinite}.status-offline{background-color:var(--danger)}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}