@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}:root{--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s ease}:root[data-theme=light],:root{--bg-body: #f8fafc;--bg-primary: #ffffff;--bg-secondary: #f1f5f9;--bg-tertiary: #e2e8f0;--bg-elevated: #ffffff;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--text-inverse: #ffffff;--brand-500: #3b82f6;--brand-600: #2563eb;--brand-700: #1d4ed8;--accent-gradient: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);--accent-glow: rgba(59, 130, 246, .3);--border-light: #e2e8f0;--border-medium: #cbd5e1;--status-online: #10b981;--status-online-bg: rgba(16, 185, 129, .1);--status-offline: #ef4444;--status-offline-bg: rgba(239, 68, 68, .1);--message-sent: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);--message-received: #f1f5f9;--message-received-border: #e2e8f0}:root[data-theme=dark]{--bg-body: #020617;--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-elevated: #1e293b;--text-primary: #f8fafc;--text-secondary: #cbd5e1;--text-muted: #64748b;--text-inverse: #0f172a;--brand-500: #3b82f6;--brand-600: #60a5fa;--brand-700: #93c5fd;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .3);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .4);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .5);--border-light: rgba(255, 255, 255, .1);--border-medium: rgba(255, 255, 255, .15);--message-received: #1e293b;--message-received-border: rgba(255, 255, 255, .1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%;min-width:100%;overflow:hidden;position:relative}body{font-family:var(--font-family);background-color:var(--bg-body);color:var(--text-primary);display:flex;flex-direction:column}.app-container{display:flex;flex-direction:column;width:100vw;height:100vh;min-width:100%;margin:0;padding:0;background-color:var(--bg-primary);overflow:hidden}.navbar{width:100%;display:flex;align-items:center;justify-content:space-between;padding:var(--space-4) clamp(var(--space-4),5vw,80px);background-color:var(--bg-elevated);border-bottom:1px solid var(--border-light);flex-shrink:0}.nav-brand{display:flex;align-items:center;gap:var(--space-3)}.logo-container{width:40px;height:40px;background:var(--accent-gradient);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 4px 12px var(--accent-glow);animation:pulse-subtle 3s infinite}@keyframes 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var(--transition-fast);position:relative;overflow:hidden;isolation:isolate}.theme-toggle:hover{background-color:var(--bg-tertiary);color:var(--text-primary);transform:rotate(15deg)}.theme-toggle svg{width:22px;height:22px;opacity:0}.theme-toggle:before{content:"";position:absolute;top:8px;right:8px;bottom:8px;left:8px;border-radius:50%;transition:transform var(--transition-base),background var(--transition-base),box-shadow var(--transition-base)}.theme-toggle:after{content:"";position:absolute;transition:opacity var(--transition-base),transform var(--transition-base)}:root[data-theme=light] .theme-toggle:before{background:radial-gradient(circle at 35% 35%,#fff7c2 0,#fff7c2 35%,#f59e0b 60%,#f59e0b);box-shadow:0 0 12px #f59e0b8c,inset 0 0 6px #fff9}:root[data-theme=light] .theme-toggle:after{top:4px;right:4px;bottom:4px;left:4px;border-radius:50%;background:repeating-conic-gradient(#f59e0b 0 10deg,transparent 10deg 20deg);mask:radial-gradient(circle,transparent 58%,#000 60%);opacity:.9}:root[data-theme=dark] .theme-toggle:before{background:radial-gradient(circle at 35% 35%,#f8fafc 0 55%,transparent 56%),radial-gradient(circle at 65% 45%,#0f172a 0 55%,transparent 56%),radial-gradient(circle at 50% 50%,#e2e8f0 0,#e2e8f0 62%,#cbd5e1 64%);box-shadow:0 0 10px #94a3b880;transform:translate(1px)}:root[data-theme=dark] .theme-toggle:after{width:2px;height:2px;top:9px;left:12px;background:#e2e8f0;border-radius:50%;opacity:.8;box-shadow:8px 4px #e2e8f0,-6px 9px #e2e8f0,10px 14px #e2e8f0}.nav-status{display:flex;gap:var(--space-3)}.status-badge{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);font-size:.875rem;font-weight:600}.status-badge.online{background-color:var(--status-online-bg);color:var(--status-online);border:1px solid rgba(16,185,129,.2)}.status-badge.offline{background-color:var(--status-offline-bg);color:var(--status-offline);border:1px solid 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clamp(var(--space-4),5vw,80px)}#chat-log::-webkit-scrollbar{width:8px}#chat-log::-webkit-scrollbar-track{background:transparent}#chat-log::-webkit-scrollbar-thumb{background-color:var(--bg-tertiary);border-radius:var(--radius-full)}.empty-state{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);text-align:center;gap:var(--space-4);animation:fade-in .5s ease-out}@keyframes fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.empty-illustration{width:80px;height:80px;border-radius:var(--radius-xl);background:var(--bg-secondary);display:flex;align-items:center;justify-content:center}.empty-illustration svg{width:40px;height:40px;stroke:var(--text-muted)}.empty-title{font-size:1.125rem;font-weight:600;color:var(--text-primary)}.empty-subtitle{font-size:.875rem;color:var(--text-secondary)}.messages-list{display:flex;flex-direction:column;gap:var(--space-4);width:100%}.message-group{display:flex;gap:var(--space-3);max-width:min(70%,800px);animation:message-enter .3s ease-out}@keyframes 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svg{width:18px;height:18px}.upload-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.upload-btn.loading{opacity:.7;cursor:progress}.upload-status{margin-top:var(--space-3);background:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:var(--space-3);display:flex;flex-direction:column;gap:var(--space-2)}.upload-info{display:flex;align-items:center;gap:var(--space-2);font-size:.75rem;color:var(--text-muted)}.upload-name{font-weight:600;color:var(--text-primary);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-state.error{color:#ef4444}.upload-percent{font-weight:700}.upload-progress{height:8px;background:var(--bg-tertiary);border-radius:999px;overflow:hidden}.upload-progress-fill{height:100%;background:var(--brand-500);width:0%}.media-card{display:grid;gap:var(--space-3);padding:var(--space-3);border-radius:var(--radius-lg);background:var(--bg-elevated);color:var(--text-primary);border:1px solid 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