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768px){.chat-input-wrapper{padding:12px;background:var(--bg-primary)}.input-container{border-radius:12px;box-shadow:var(--shadow-sm)}.resize-textarea{padding:12px 40px 12px 12px;font-size:16px;min-height:48px}.model-pill-text{max-width:100px}.toolbar-left .toolbar-btn{width:36px;height:36px}.send-btn-wrapper{right:8px;bottom:50px}.attachments-preview{gap:8px;padding:8px}.attachment-preview-img{height:48px}}.language-switcher-icon{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:var(--bg-tertiary);border-radius:var(--radius-md);cursor:pointer;color:var(--text-secondary);transition:all .2s ease}.language-switcher-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.language-switcher-text{display:flex;align-items:center;justify-content:center;padding:6px 12px;border:1px solid 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.15s}.date-nav-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--accent-color)}.date-display{display:flex;align-items:center;gap:8px;padding:8px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-primary);font-size:14px;font-weight:500;color:var(--text-primary);min-width:160px;justify-content:center}.date-display svg{color:var(--text-muted)}.cost-summary-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}.cost-summary-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;display:flex;flex-direction:column;gap:8px}.cost-summary-card .card-label{font-size:13px;color:var(--text-muted);font-weight:500}.cost-summary-card .card-value{font-size:28px;font-weight:700;color:var(--text-primary);font-feature-settings:"tnum"}.cost-summary-card .card-value.cost{color:#10b981}.cost-chart-card{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;min-height:360px}.chart-loading,.chart-empty{display:flex;align-items:center;justify-content:center;height:320px;color:var(--text-muted);font-size:14px}.request-logs-tab{background:var(--card-bg);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.logs-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border-color)}.logs-title{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;color:var(--text-primary)}.logs-title svg{color:var(--primary-color)}.logs-header .refresh-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:var(--bg-tertiary);border-radius:var(--radius-md);cursor:pointer;color:var(--text-secondary);transition:all .2s}.logs-header .refresh-btn:hover{background:var(--primary-color);color:#fff}.logs-header .refresh-btn:disabled{opacity:.5;cursor:not-allowed}.logs-filters{display:flex;align-items:center;gap:24px;padding:16px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border-color)}.filter-group{display:flex;flex-direction:column;gap:6px}.filter-group label{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.filter-group select{padding:10px 36px 10px 14px;border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--card-bg);color:var(--text-primary);font-size:14px;cursor:pointer;min-width:180px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 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.model-cell{font-family:SF Mono,Menlo,monospace;font-size:12px;color:var(--text-secondary);max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.status-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:600}.status-badge.success{background:#10b9811a;color:#10b981}.status-badge.error{background:#ef44441a;color:#ef4444}.logs-table .duration-cell{font-family:SF Mono,Menlo,monospace;font-size:12px;color:var(--text-secondary)}.logs-table .tokens-cell{font-family:SF Mono,Menlo,monospace;font-size:12px}.logs-table .cost-cell{font-family:SF Mono,Menlo,monospace;font-size:12px;color:#10b981;font-weight:500}.loading-cell,.empty-cell{text-align:center;padding:60px 16px!important;color:var(--text-muted)}.loading-cell{display:flex;align-items:center;justify-content:center;gap:10px}.logs-pagination{display:flex;align-items:center;justify-content:center;gap:16px;padding:16px 24px;border-top:1px solid var(--border-color)}.logs-pagination button{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:1px solid var(--border-color);background:var(--card-bg);border-radius:var(--radius-md);cursor:pointer;color:var(--text-primary);transition:all .2s}.logs-pagination button:hover:not(:disabled){border-color:var(--primary-color);color:var(--primary-color)}.logs-pagination button:disabled{opacity:.4;cursor:not-allowed}.page-info{font-size:13px;color:var(--text-muted)}@media (max-width: 768px){.admin-page{flex-direction:column}.admin-sidebar{width:100%;height:auto;border-right:none;border-bottom:1px solid var(--border-color)}.admin-sidebar-menu{display:flex;padding:8px 12px;overflow-x:auto}.admin-menu-item{flex-shrink:0;margin-bottom:0;margin-right:4px}.admin-sidebar-footer{display:none}.settings-content{padding:16px}.provider-list-horizontal{flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px}.provider-chip{flex-shrink:0}.provider-form-header{flex-direction:column;gap:12px;align-items:flex-start}.provider-form-actions{width:100%;justify-content:flex-end}}@media (max-width: 768px){.chart-card-header{flex-direction:column;align-items:flex-start;gap:12px}}@media (max-width: 768px){.users-table-card{overflow-x:auto}.users-table{min-width:600px}.create-user-fields{gap:12px}}@media (max-width: 768px){.cost-stats-container{padding:16px}.cost-stats-header{flex-direction:column;align-items:flex-start;gap:12px}.cost-stats-controls{flex-direction:column;align-items:stretch}.period-tabs,.date-navigation{justify-content:center}.cost-summary-cards{grid-template-columns:1fr}.cost-summary-card .card-value{font-size:24px}}@media (max-width: 1024px){.logs-filters{flex-wrap:wrap}.filter-info{width:100%;margin-left:0;margin-top:8px}}@media (max-width: 768px){.logs-header{padding:16px}.logs-filters{padding:12px 16px;gap:12px}.filter-group select{min-width:140px}.logs-table th,.logs-table td{padding:10px 12px}.logs-table .model-cell{max-width:120px}}.user-login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--bg-secondary) 0%,var(--bg-primary) 100%);padding:20px;position:relative}.user-login-page .language-switcher-wrapper{position:absolute;top:20px;right:20px}.user-login-container{width:100%;max-width:420px;background:var(--bg-primary);border-radius:24px;box-shadow:0 4px 6px -1px #0000001a,0 20px 25px -5px #00000026,0 0 0 1px var(--border-color);overflow:hidden}.user-login-header{text-align:center;padding:40px 32px 32px;background:linear-gradient(180deg,var(--accent-light) 0%,transparent 100%)}.user-login-icon{width:72px;height:72px;margin:0 auto 20px;background:linear-gradient(135deg,var(--accent-color) 0%,#6366f1 100%);border-radius:20px;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 8px 16px #2563eb4d}.user-login-header h1{margin:0 0 8px;font-size:28px;font-weight:700;color:var(--text-primary);letter-spacing:-.5px}.user-login-subtitle{margin:0;font-size:15px;color:var(--text-muted)}.user-login-form{padding:0 32px 32px}.user-login-field{margin-bottom:20px}.user-login-field label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.user-login-input-wrapper{position:relative}.user-login-input-wrapper .input-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}.user-login-input-wrapper input{width:100%;padding:16px 16px 16px 48px;font-size:15px;border:2px solid var(--border-color);border-radius:12px;background:var(--input-bg);color:var(--text-primary);outline:none;transition:all .2s ease}.user-login-input-wrapper input:focus{border-color:var(--accent-color);box-shadow:0 0 0 4px var(--accent-light)}.user-login-input-wrapper input::placeholder{color:var(--text-muted)}.user-login-input-wrapper input:disabled{opacity:.6;cursor:not-allowed}.user-login-error{background:#ef44441a;border:1px solid rgba(239,68,68,.2);color:var(--error-color);padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:20px;text-align:center}.user-login-btn{width:100%;padding:16px;font-size:16px;font-weight:600;color:#fff;background:linear-gradient(135deg,var(--accent-color) 0%,#6366f1 100%);border:none;border-radius:12px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #2563eb4d}.user-login-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #2563eb66}.user-login-btn:active:not(:disabled){transform:translateY(0)}.user-login-btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.user-login-footer{padding:20px 32px;background:var(--bg-tertiary);border-top:1px solid var(--border-color);text-align:center}.user-login-footer p{margin:0;font-size:13px;color:var(--text-muted)}@media (prefers-color-scheme: dark){.user-login-page{background:linear-gradient(135deg,#0a0a0a,#1a1a1a)}}@media (max-width: 480px){.user-login-container{max-width:100%;border-radius:20px}.user-login-header{padding:32px 24px 24px}.user-login-form{padding:0 24px 24px}.user-login-footer{padding:16px 24px}}:root{--bg-primary: #ffffff;--bg-secondary: #f3f5f8;--bg-tertiary: #eef1f5;--bg-hover: #e2e8f0;--text-primary: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--border-color: #e2e8f0;--border-highlight: #cbd5e1;--accent-color: #2563eb;--accent-hover: #1d4ed8;--accent-light: #eff6ff;--error-color: #ef4444;--success-color: #10b981;--user-msg-bg: #eff6ff;--user-msg-text: #1e3a8a;--assistant-msg-bg: transparent;--input-bg: #ffffff;--input-border: #e2e8f0;--sidebar-bg: #f8fafc;--header-bg: rgba(255, 255, 255, .8);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .05), 0 2px 4px -1px rgba(0, 0, 0, .03);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .05), 0 4px 6px -2px rgba(0, 0, 0, .025);--shadow-color: rgba(0, 0, 0, .05);--glass-bg: rgba(255, 255, 255, .7);--glass-border: rgba(255, 255, 255, .5);--glass-blur: blur(12px);--code-bg: #f8fafc;--code-header-bg: #f1f5f9;--code-text: #334155;--inline-code-bg: #f1f5f9;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--sidebar-width: 280px;--header-height: 64px;--input-max-width: 800px;--message-max-width: 800px;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.68, -.55, .265, 1.55)}[data-theme=dark]{--bg-primary: #0f1117;--bg-secondary: #1e212b;--bg-tertiary: #2a2d3d;--bg-hover: #33384c;--text-primary: #f8fafc;--text-secondary: #94a3b8;--text-muted: #64748b;--border-color: #2e3545;--border-highlight: #3f4759;--accent-color: #3b82f6;--accent-hover: #60a5fa;--accent-light: rgba(59, 130, 246, .1);--user-msg-bg: rgba(59, 130, 246, .1);--user-msg-text: #e0e7ff;--assistant-msg-bg: transparent;--input-bg: #1e212b;--input-border: #2e3545;--sidebar-bg: #151720;--header-bg: rgba(15, 17, 23, .8);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .4);--shadow-color: rgba(0, 0, 0, .2);--glass-bg: rgba(30, 33, 43, .7);--glass-border: rgba(255, 255, 255, .08);--code-bg: #1e212b;--code-header-bg: #262936;--code-text: #e2e8f0;--inline-code-bg: #2a2d3d}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{height:100%;width:100%;overflow:hidden}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;overflow:hidden;margin:0;height:100dvh;width:100%;transition:background-color var(--transition-normal),color var(--transition-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{height:100%;width:100%;overflow:hidden}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--scrollbar-bg)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;transition:all var(--transition-fast)}button:disabled{opacity:.5;cursor:not-allowed}input,textarea{font-family:inherit;font-size:inherit;color:inherit;background:transparent;border:none;outline:none}a{color:var(--accent-color);text-decoration:none}a:hover{text-decoration:underline}pre{background:var(--bg-secondary);padding:16px;border-radius:8px;overflow-x:auto;margin:12px 0}code{font-family:SF Mono,Consolas,Liberation Mono,monospace;font-size:14px}.markdown-content{line-height:1.7}.markdown-content p{margin-bottom:12px}.markdown-content ul,.markdown-content ol{margin-left:24px;margin-bottom:12px}.markdown-content li{margin-bottom:4px}.markdown-content h1,.markdown-content h2,.markdown-content h3{margin:16px 0 8px;font-weight:600}.markdown-content blockquote{border-left:3px solid var(--accent-color);padding-left:16px;margin:12px 0;color:var(--text-secondary)}