*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #07090f;--bg2: #0d1017;--surface: #111620;--surface2: #17202e;--surface3: #1e2a3c;--border: #1e2d42;--border2: #28405a;--text: #c4d8ec;--text-muted: #4e6478;--text-dim: #7a9ab8;--accent: #00c8ff;--accent-glow:#00c8ff33;--accent2: #ff6b35;--green: #00e676;--red: #ff4d6a;--yellow: #ffc107;--font-ui: "Outfit", sans-serif;--font-mono: "JetBrains Mono", monospace;--r-sm: 6px;--r-md: 10px;--r-lg: 16px;--r-xl: 24px;--shadow-sm: 0 2px 8px #0006;--shadow-md: 0 4px 24px #0009;--shadow-glow: 0 0 24px var(--accent-glow)}[data-theme=light]{--bg: #f0f2f5;--bg2: #ffffff;--surface: #ffffff;--surface2: #f5f6f8;--surface3: #e4e6eb;--border: #d0d7de;--border2: #c4cdd5;--text: #1f2328;--text-muted: #656d76;--text-dim: #57606a;--accent: #0969da;--accent-glow: #0969da22;--green: #1a7f37;--red: #cf222e;--yellow: #9a6700;--shadow-sm: 0 2px 8px #0001;--shadow-md: 0 4px 24px #0002;--shadow-glow: 0 0 24px 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var(--accent-glow)}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-primary:disabled{opacity:.4;cursor:not-allowed}.connecting-status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-top:16px;justify-content:center}.dot-pulse{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.2s ease infinite}.app{display:flex;height:100%;background:var(--bg)}.sidebar{width:260px;min-width:260px;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;overflow:hidden;position:relative;z-index:50}.sidebar-overlay{display:none}.sidebar-header{padding:20px 16px 12px;border-bottom:1px solid var(--border)}.sidebar-brand{display:flex;align-items:center;gap:10px;margin-bottom:4px}.sidebar-brand-icon{width:28px;height:28px;background:linear-gradient(135deg,#00c8ff22,#00c8ff44);border:1px solid 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.1s;line-height:1;display:flex;align-items:center;justify-content:center}.emoji-btn:hover{background:var(--surface2);transform:scale(1.2)}.no-chat{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;color:var(--text-muted)}.no-chat-icon{font-size:64px;opacity:.15}.no-chat-title{font-size:22px;font-weight:700;color:var(--text-dim)}.no-chat-sub{font-size:14px;color:var(--text-muted)}.toast-container{position:fixed;top:16px;right:16px;z-index:1000;display:flex;flex-direction:column;gap:8px}.toast{background:var(--surface2);border:1px solid var(--border2);border-left:3px solid var(--accent);border-radius:var(--r-md);padding:12px 16px;min-width:240px;max-width:320px;box-shadow:var(--shadow-md);animation:fadeUp .3s ease}.toast-title{font-size:13px;font-weight:700;color:var(--text);margin-bottom:2px}.toast-msg{font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.status-bar{position:fixed;bottom:0;left:0;right:0;height:24px;background:var(--surface);border-top:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:16px;font-size:11px;color:var(--text-muted);font-family:var(--font-mono);z-index:100}.status-dot{width:7px;height:7px;border-radius:50%}.status-dot.connected{background:var(--green)}.status-dot.disconnected{background:var(--red);animation:pulse 1s infinite}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000aa;display:flex;align-items:center;justify-content:center;z-index:500;animation:fadeIn .2s ease}.modal-card{background:var(--surface);border:1px solid var(--border2);border-radius:var(--r-xl);padding:32px;width:360px;max-width:90vw;position:relative;box-shadow:var(--shadow-md);animation:fadeUp .3s ease}.modal-close{position:absolute;top:12px;right:12px;background:transparent;border:none;color:var(--text-muted);font-size:18px;cursor:pointer;padding:4px;border-radius:4px;transition:color .15s}.modal-close:hover{color:var(--text)}.profile-header{display:flex;flex-direction:column;align-items:center;gap:10px;margin-bottom:24px}.profile-avatar{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700}.profile-name{font-size:20px;font-weight:700;color:var(--text)}.profile-status{font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:6px}.profile-stats{display:flex;gap:16px;justify-content:center;margin-bottom:24px}.profile-stat{text-align:center;padding:10px 20px;background:var(--bg2);border-radius:var(--r-md);border:1px solid var(--border)}.profile-stat-value{font-size:18px;font-weight:700;color:var(--text)}.profile-stat-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-top:2px}.profile-actions{display:flex;flex-direction:column;gap:12px}.profile-section-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted)}.status-options{display:flex;gap:8px;flex-wrap:wrap}.status-option{display:flex;align-items:center;gap:6px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-md);padding:8px 14px;font-size:13px;color:var(--text);font-family:var(--font-ui);cursor:pointer;transition:background .15s,border-color .15s}.status-option:hover{background:var(--surface2)}.status-option.active{border-color:var(--accent);background:var(--accent-glow)}@media (max-width: 768px){.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translate(-100%);transition:transform .25s ease;z-index:200;box-shadow:var(--shadow-md)}.sidebar.mobile-open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#00000088;z-index:150;animation:fadeIn .2s ease}.mobile-menu-btn{display:block}.chat-header{padding:0 12px}.messages-container{padding:12px 16px}.msg-content{max-width:80%}.chat-image{max-width:220px;max-height:180px}.search-bar{min-width:100px}.search-input{width:80px}.input-area{padding:12px 16px}.login-card{padding:32px 24px;width:100%;max-width:360px}}@media (max-width: 480px){.chat-header-right{gap:4px}.search-bar{padding:4px 8px;min-width:80px}.search-input{width:60px;font-size:12px}.theme-toggle{padding:4px 8px;font-size:14px}.msg-content{max-width:85%}}