:root{--accent-primary: #1E40AF;--accent-secondary: #0891B2;--accent-light: #3B82F6;--bg-primary: #FFFFFF;--bg-secondary: #F4F4F5;--bg-tertiary: #E4E4E7;--text-primary: #18181B;--text-secondary: #3F3F46;--text-tertiary: #71717A;--border-primary: #E4E4E7;--border-secondary: #D4D4D8;--success: #10B981;--error: #EF4444;--warning: #F59E0B;--info: #3B82F6;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px 0 rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}[data-theme=dark]{--accent-primary: #3B82F6;--accent-secondary: #06B6D4;--accent-light: #60A5FA;--bg-primary: #18181B;--bg-secondary: #27272A;--bg-tertiary: #3F3F46;--text-primary: #F4F4F5;--text-secondary: #E4E4E7;--text-tertiary: #D4D4D8;--border-primary: #3F3F46;--border-secondary: #52525B;--success: #22C55E;--error: #F87171;--warning: #FBBF24;--info: #60A5FA;--shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, .3), 0 1px 2px 0 rgba(0, 0, 0, .2);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3), 0 2px 4px -1px rgba(0, 0, 0, .2);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .3), 0 4px 6px -2px rgba(0, 0, 0, .2)}*{margin:0;padding:0;box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg-primary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease;font-size:14px}#root{width:100%;min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit}*{scrollbar-width:thin;scrollbar-color:var(--border-secondary) var(--bg-secondary)}*::-webkit-scrollbar{width:8px;height:8px}*::-webkit-scrollbar-track{background:var(--bg-secondary)}*::-webkit-scrollbar-thumb{background-color:var(--border-secondary);border-radius:4px}*::-webkit-scrollbar-thumb:hover{background-color:var(--text-tertiary)}.layout{display:flex;min-height:100vh;background:var(--bg-secondary);transition:background-color .3s ease}.sidebar{width:260px;background:var(--bg-primary);border-right:1px solid var(--border-primary);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:100;transition:background-color .3s ease,border-color .3s ease}.sidebar-header{display:flex;align-items:center;padding:16px;border-bottom:1px solid var(--border-primary)}.sidebar-logo{flex-shrink:0}.sidebar-title{display:flex;flex-direction:column;gap:2px}.brand-name{font-size:22px;font-weight:700;line-height:1;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.brand-subtitle{font-size:14px;font-weight:600;line-height:1;color:var(--text-secondary)}.sidebar-nav{flex:1;padding:16px;display:flex;flex-direction:column;gap:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border:none;background:transparent;color:var(--text-secondary);text-decoration:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease}.nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:var(--accent-primary);color:#fff;font-weight:600}.nav-item svg{width:20px;height:20px;flex-shrink:0}.nav-section-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text-tertiary, #888);padding:12px 16px 4px;margin-top:4px}.sidebar-footer{padding:16px;border-top:1px solid var(--border-primary)}.main-content{flex:1;margin-left:260px;display:flex;flex-direction:column;min-height:100vh}.topbar{background:var(--bg-primary);border-bottom:1px solid var(--border-primary);padding:0 32px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;transition:background-color .3s ease,border-color .3s ease}.topbar-left h2{font-size:18px;font-weight:700;margin:0;color:var(--text-primary)}.topbar-right{display:flex;align-items:center;gap:16px}.user-menu{position:relative}.user-button{display:flex;align-items:center;gap:12px;padding:8px 16px;background:transparent;border:1px solid var(--border-primary);border-radius:8px;color:var(--text-primary);cursor:pointer;transition:all .2s ease}.user-button:hover{background:var(--bg-tertiary);border-color:var(--border-secondary)}.user-avatar{width:32px;height:32px;border-radius:50%;background:var(--accent-primary);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;font-size:14px;overflow:hidden}.user-avatar img{width:100%;height:100%;object-fit:cover}.user-info{display:flex;flex-direction:column;align-items:flex-start;text-align:left}.user-name{font-size:15px;font-weight:700;color:var(--text-primary);line-height:1.2}.user-plan{font-size:12px;color:var(--text-secondary);line-height:1.2;font-weight:500}.chevron{width:16px;height:16px;color:var(--text-tertiary);transition:transform .2s ease}.user-button:hover .chevron{transform:rotate(180deg)}.user-dropdown{position:absolute;top:100%;right:0;margin-top:8px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:8px;box-shadow:var(--shadow-lg);min-width:200px;z-index:1000;overflow:hidden;transition:all .2s ease}.dropdown-header{padding:12px 16px;border-bottom:1px solid var(--border-primary)}.dropdown-email{font-size:13px;color:var(--text-secondary);margin:0;word-break:break-all}.dropdown-divider{height:1px;background:var(--border-primary)}.dropdown-item{display:flex;align-items:center;gap:12px;padding:12px 16px;color:var(--text-primary);text-decoration:none;background:transparent;border:none;width:100%;text-align:left;cursor:pointer;transition:background-color .2s ease;font-size:14px}.dropdown-item:hover{background:var(--bg-tertiary)}.dropdown-item svg{width:16px;height:16px;color:var(--text-secondary)}.page-content{flex:1;padding:32px;background:var(--bg-secondary);transition:background-color .3s ease}.overlay{position:fixed;inset:0;background:#0000001a;z-index:40}@media (max-width: 768px){.sidebar{transform:translate(-100%);transition:transform .3s ease}.sidebar.open{transform:translate(0)}.main-content{margin-left:0}.topbar{padding:0 16px}.page-content{padding:16px}}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:16px;background:var(--bg-secondary);color:var(--text-primary)}.loading-container p{font-size:16px;color:var(--text-secondary);margin:0}.download-link{display:flex;align-items:center;gap:8px;padding:8px 16px;background:#1e40af1a;border:1px solid rgba(30,64,175,.3);border-radius:8px;color:var(--accent-primary);text-decoration:none;font-weight:500;transition:all .3s ease}.download-link:hover{background:#1e40af33;border-color:var(--accent-primary);transform:translateY(-1px)}.download-link svg{width:20px;height:20px}[data-theme=dark] .user-name{color:#fafafa;font-weight:700}[data-theme=dark] .user-plan{color:#d4d4d8}.home-page{min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e293b 40%,#1e40af);color:#f4f4f5;position:relative;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid 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rgba(255,255,255,.25)}.btn-secondary:hover{background:#ffffff1f;border-color:#fff6;transform:translateY(-2px)}.features-section{padding:80px 20px;background:#ffffff08;border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}.section-title{font-size:2.2rem;font-weight:700;text-align:center;margin-bottom:50px;letter-spacing:-.01em;color:#fff}.section-subtitle{font-size:1.15rem;text-align:center;margin-bottom:36px;color:#ffffffa6}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px;max-width:1100px;margin:0 auto}.feature-card{background:#ffffff0d;padding:36px 28px;border-radius:16px;text-align:center;transition:all .3s ease;border:1px solid rgba(255,255,255,.08)}.feature-card:hover{transform:translateY(-4px);background:#3b82f614;border-color:#3b82f640;box-shadow:0 12px 32px #0000004d}.feature-icon{font-size:2.6rem;margin-bottom:18px}.feature-card h3{font-size:1.25rem;margin-bottom:12px;font-weight:600;color:#fff}.feature-card p{color:#fff9;line-height:1.65;font-size:.95rem}.download-section{padding:80px 20px;max-width:1100px;margin:0 auto}.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:36px}.platform-card{background:#ffffff0d;padding:28px;border-radius:16px;border:1px solid rgba(255,255,255,.08);transition:all .3s ease}.platform-card:hover{transform:translateY(-4px);background:#3b82f60f;border-color:#3b82f633;box-shadow:0 12px 32px #0000004d}.platform-header{display:flex;align-items:center;gap:14px;margin-bottom:22px}.platform-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;border-radius:11px;background:#3b82f626;color:#60a5fa}.platform-icon svg{width:26px;height:26px}.platform-header h3{font-size:1.5rem;font-weight:600;color:#fff}.download-btn{width:100%;padding:14px 18px;margin-bottom:10px;border:1.5px solid 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rgba(255,255,255,.06)}.footer-content{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;color:#ffffff73;font-size:.9rem}.footer-links{display:flex;gap:10px;align-items:center}.footer-links a{color:#ffffff8c;text-decoration:none;transition:color .25s ease}.footer-links a:hover{color:#60a5fa}.separator{color:#fff3}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.hero-title{font-size:2.4rem}.hero-subtitle{font-size:1.2rem}.hero-description{font-size:1rem}.section-title{font-size:1.8rem}.download-grid,.features-grid{grid-template-columns:1fr}.footer-content{flex-direction:column;text-align:center}}@media (max-width: 480px){.hero-section{padding:60px 16px 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0}.sso-divider:before{content:"";position:absolute;left:0;top:50%;width:100%;height:1px;background:var(--border-primary)}.sso-divider span{position:relative;display:inline-block;padding:0 16px;background:var(--bg-primary);color:var(--text-tertiary);font-size:14px;font-weight:500}.sso-buttons{display:flex;flex-direction:column;gap:12px}.sso-button{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 24px;border:1px solid var(--border-primary);border-radius:8px;background:var(--bg-primary);color:var(--text-primary);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.sso-button:hover:not(:disabled){border-color:var(--accent-primary);background:var(--bg-secondary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.sso-button:disabled{opacity:.6;cursor:not-allowed}.sso-icon{width:20px;height:20px;flex-shrink:0}.google-button:hover:not(:disabled){border-color:#4285f4}.azure-button:hover:not(:disabled){border-color:#0078d4}.aws-button:hover:not(:disabled){border-color:#f90}.wechatwork-button:hover:not(:disabled){border-color:#1aad19}@media (max-width: 480px){.auth-container{padding:16px}.auth-card{padding:24px}.auth-header h1{font-size:24px}.sso-button{font-size:13px;padding:10px 16px}}.dashboard{padding:20px;max-width:1400px;margin:0 auto;background:var(--bg-secondary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.dashboard-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:16px}.spinner{width:40px;height:40px;border:4px solid var(--border-primary);border-top-color:var(--accent-primary);border-radius:50%;animation:spin 1s linear infinite}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.dashboard-header h1{font-size:28px;font-weight:700;color:var(--text-primary);margin:0 0 8px}.range-selector{display:flex;gap:6px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:10px;padding:4px;transition:background-color .3s ease,border-color .3s ease}.range-selector button{padding:8px 16px;border:none;background:transparent;color:var(--text-secondary);border-radius:8px;cursor:pointer;font-size:13px;font-weight:600;transition:all .2s cubic-bezier(.4,0,.2,1)}.range-selector button:hover{background:var(--bg-tertiary);color:var(--text-primary)}.range-selector button.active{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);color:#fff;box-shadow:0 4px 12px 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svg{width:24px;height:24px}.stat-icon.total-calls{background:linear-gradient(135deg,#1e40af21,#0891b221);color:var(--accent-primary)}.stat-icon.total-tokens{background:linear-gradient(135deg,#3b82f621,#1e40af21);color:var(--accent-primary)}.stat-icon.avg-tokens{background:linear-gradient(135deg,#4facfe22,#00f2fe22);color:#00b4d8}.stat-icon.token-balance{background:linear-gradient(135deg,#10b98122,#05966922);color:#10b981}.stat-icon.plan-info{background:linear-gradient(135deg,#43e97b22,#38f9d722);color:#10b981}.stat-content{flex:1}.stat-content h3{font-size:28px;font-weight:700;color:var(--text-primary);margin:0 0 6px;line-height:1.2}.stat-content p{font-size:13px;font-weight:600;color:var(--text-secondary);margin:0;text-transform:uppercase;letter-spacing:.5px}.refill-link{display:inline-block;margin-top:.5rem;color:var(--accent-primary);font-size:.875rem;font-weight:600;text-decoration:none;transition:all .2s ease}.refill-link:hover{color:var(--accent-secondary);transform:translate(4px)}.stat-change{display:flex;align-items:center;gap:4px;font-size:14px;font-weight:500}.stat-change.positive{color:#10b981}.stat-change.negative{color:#ef4444}.stat-change.neutral{color:var(--text-tertiary)}.charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(500px,1fr));gap:24px;margin-bottom:32px}.chart-card{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:22px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.chart-card:hover{box-shadow:0 10px 25px -5px #0000001a,0 10px 10px -5px #0000000a}.chart-card h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 24px}.usage-card{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:22px;margin-bottom:24px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.usage-card h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 20px}.usage-progress{display:flex;flex-direction:column;gap:12px}.usage-bar{height:12px;background:var(--bg-tertiary);border-radius:99px;overflow:hidden}.usage-bar-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);border-radius:99px;transition:width .6s cubic-bezier(.4,0,.2,1)}.usage-text{display:flex;justify-content:space-between;font-size:14px;font-weight:600;color:var(--text-primary)}.table-card{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:22px;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 3px #0000001a,0 1px 2px #0000000f}.table-card h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 24px}.stats-table{width:100%;border-collapse:separate;border-spacing:0}.stats-table th,.stats-table td{padding:14px 16px;text-align:left}.stats-table th{background:var(--bg-tertiary);font-weight:600;color:var(--text-primary);font-size:13px;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border-primary)}.stats-table th:first-child{border-top-left-radius:8px}.stats-table th:last-child{border-top-right-radius:8px}.stats-table td{color:var(--text-primary);font-size:14px;font-weight:500;border-bottom:1px solid var(--border-primary)}.stats-table tbody tr:last-child td{border-bottom:none}.stats-table tbody tr:last-child td:first-child{border-bottom-left-radius:8px}.stats-table tbody tr:last-child td:last-child{border-bottom-right-radius:8px}.stats-table .model-name{font-weight:600;color:var(--accent-primary)}.stats-table tbody tr{transition:all .2s ease}.stats-table tbody tr:hover{background:var(--bg-tertiary)}.error-message{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:16px;border-radius:8px;margin:16px 0}.error-message h3{font-size:16px;font-weight:600;margin:0 0 8px}.error-message p{font-size:14px;margin:0}[data-theme=dark] .stat-card{background:#1e293b;border-color:#334155;box-shadow:0 2px 8px #0000004d}[data-theme=dark] .stat-card:hover{border-color:var(--accent-primary);box-shadow:0 10px 25px -5px #3b82f666}[data-theme=dark] .stat-content h3{color:#fafafa}[data-theme=dark] .stat-content p{color:#d4d4d8}[data-theme=dark] .chart-card{background:#1e293b;border-color:#334155;box-shadow:0 2px 8px #0000004d}[data-theme=dark] .chart-card:hover{box-shadow:0 10px 25px -5px #3b82f64d}[data-theme=dark] .usage-card{background:#1e293b;border-color:#334155;box-shadow:0 2px 8px #0000004d}[data-theme=dark] .usage-text{color:#fafafa}[data-theme=dark] .table-card{background:#1e293b;border-color:#334155;box-shadow:0 2px 8px #0000004d}[data-theme=dark] .stats-table td{color:#e4e4e7}[data-theme=dark] .stats-table th,[data-theme=dark] .dashboard-header h1{color:#fafafa}[data-theme=dark] .subtitle{color:#d4d4d8}[data-theme=dark] 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a{color:var(--accent-primary);font-weight:600;text-decoration:none}.tool-quota-upgrade a:hover{text-decoration:underline}.settings{padding:20px;max-width:1200px;margin:0 auto;background:var(--bg-secondary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.settings-header{margin-bottom:24px}.settings-header h1{font-size:26px;font-weight:700;color:var(--text-primary);margin:0 0 8px}.subtitle{font-size:16px;color:var(--text-secondary);margin:0}.settings-container{display:grid;grid-template-columns:250px 1fr;gap:32px;align-items:start}.settings-tabs{display:flex;flex-direction:column;gap:8px;position:sticky;top:24px}.settings-tabs button{display:flex;align-items:center;gap:12px;padding:12px 16px;border:none;background:var(--bg-primary);color:var(--text-secondary);font-size:15px;font-weight:500;border-radius:8px;cursor:pointer;transition:all .2s;text-align:left;border:1px solid var(--border-primary)}.settings-tabs button svg{width:20px;height:20px;color:var(--text-tertiary)}.settings-tabs button:hover{background:var(--bg-tertiary);color:var(--text-primary)}.settings-tabs button.active{background:var(--accent-primary);color:#fff;border-color:var(--accent-primary)}.settings-tabs button.active svg{color:#fff}.settings-content{background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:12px;padding:32px;transition:all .3s ease;box-shadow:var(--shadow-sm)}.settings-form h2{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 20px}.form-group{margin-bottom:18px}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text-primary);margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:10px 14px;border:1px solid var(--border-primary);border-radius:6px;font-size:13px;background:var(--bg-primary);color:var(--text-primary);transition:all .2s ease}.form-group input:focus,.form-group select:focus,.form-group 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#bbf7d0}.message.error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.profile-picture{width:80px;height:80px;border-radius:50%;object-fit:cover;border:3px solid var(--border-primary)}.profile-picture-placeholder{width:80px;height:80px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:600;color:var(--text-primary);border:3px solid var(--border-primary)}.profile-info{display:flex;align-items:center;gap:16px;margin-bottom:24px}.profile-details h3{font-size:18px;font-weight:600;color:var(--text-primary);margin:0 0 4px}.profile-details p{font-size:14px;color:var(--text-secondary);margin:0}.settings-message{padding:12px 16px;border-radius:8px;margin-bottom:24px;font-size:14px;font-weight:500}.settings-message.success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.settings-message.error{background:#fef2f2;color:#dc2626;border:1px solid #fecaca}.form-group input.disabled{background:var(--bg-tertiary);cursor:not-allowed;opacity:.7}.info-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;padding:24px;margin-bottom:32px}.info-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border-primary)}.info-label{font-size:14px;font-weight:500;color:var(--text-secondary)}.info-value{font-size:14px;font-weight:600;color:var(--text-primary)}.plan-badge{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:4px 12px;border-radius:12px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.status-active{color:#10b981}.danger-zone{background:#fef2f2;border:1px solid #fecaca;border-radius:8px;padding:24px;margin-top:32px}.danger-zone h3{color:#dc2626;font-size:18px;font-weight:600;margin:0 0 8px}.danger-zone p{color:#991b1b;font-size:14px;margin:0 0 16px}.danger-button{background:#dc2626;color:#fff;border:none;padding:10px 20px;border-radius:6px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.danger-button:hover{background:#b91c1c;transform:translateY(-1px);box-shadow:0 4px 12px #dc26264d}@media (max-width: 768px){.settings{padding:16px}.settings-container{grid-template-columns:1fr;gap:24px}.settings-tabs{position:static;flex-direction:row;overflow-x:auto;padding-bottom:8px}.settings-tabs button{white-space:nowrap;flex-shrink:0}.settings-content{padding:24px}.profile-info{flex-direction:column;text-align:center}}.billing-page{max-width:1200px;margin:0 auto;padding:1.25rem}.billing-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px;gap:1rem}.billing-header{margin-bottom:2rem}.billing-header h1{font-size:1.625rem;font-weight:700;margin-bottom:.5rem;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 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h2{font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.packages-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-top:1.5rem}.package-card{position:relative;padding:1.5rem;background:#fff;border:2px solid #e2e8f0;border-radius:12px;transition:all .3s ease;text-align:center}.package-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a;border-color:var(--accent-primary)}.package-card.popular{border-color:var(--accent-primary);box-shadow:0 8px 20px #1e40af33}.popular-badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);padding:.25rem 1rem;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);color:#fff;border-radius:20px;font-size:.75rem;font-weight:600}.package-card h3{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:#1a202c}.package-tokens{font-size:1.625rem;font-weight:700;color:var(--accent-primary);margin-bottom:.5rem}.package-tokens span{font-size:1rem;font-weight:400;color:#718096;margin-left:.5rem}.package-price{display:flex;align-items:flex-start;justify-content:center;margin-bottom:.5rem}.package-price .currency{font-size:1.5rem;font-weight:600;color:#1a202c;margin-top:.25rem}.package-price .amount{font-size:3rem;font-weight:700;color:#1a202c;line-height:1}.package-rate{color:#718096;font-size:.9rem;margin-bottom:1rem}.package-description{color:#4a5568;font-size:.95rem;margin-bottom:1.5rem;min-height:3rem}.custom-amount-input{display:flex;align-items:center;justify-content:center;margin-bottom:.75rem}.custom-amount-input .currency-prefix{font-size:2rem;font-weight:700;color:#1a202c;margin-right:.25rem}.custom-amount-input input{width:120px;font-size:2.5rem;font-weight:700;color:#1a202c;border:none;border-bottom:2px solid #e2e8f0;text-align:center;outline:none;padding:.25rem 0;background:transparent;transition:border-color .2s}.custom-amount-input input:focus{border-bottom-color:var(--accent-primary)}.custom-amount-input input::placeholder{color:#cbd5e0}[data-theme=dark] .custom-amount-input .currency-prefix{color:#f1f5f9}[data-theme=dark] .custom-amount-input input{color:#f1f5f9;border-bottom-color:#475569}[data-theme=dark] .custom-amount-input input:focus{border-bottom-color:var(--accent-primary)}[data-theme=dark] .custom-amount-input input::placeholder{color:#64748b}.tool-tier-badge-sm{display:inline-block;padding:2px 10px;border-radius:99px;color:#fff;font-size:11px;font-weight:700;letter-spacing:.05em}.buy-button{width:100%;padding:.875rem;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);color:#fff;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease}.buy-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #1e40af66}.buy-button:disabled{opacity:.6;cursor:not-allowed}.spinner-small{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .6s linear infinite}.subscription-upgrade{margin-bottom:3rem}.subscription-upgrade h2{font-size:1.5rem;font-weight:600;margin-bottom:.5rem}.subscription-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;margin-top:1.5rem}.subscription-card{position:relative;padding:1.5rem;background:#fff;border:2px solid #e2e8f0;border-radius:12px;transition:all .3s ease}.subscription-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a}.subscription-card.enterprise{border-color:var(--accent-light);background:linear-gradient(135deg,#3b82f60d,#1e40af0d)}.enterprise-badge{position:absolute;top:1rem;right:1rem;padding:.25rem .75rem;background:linear-gradient(135deg,var(--accent-light) 0%,var(--accent-primary) 100%);color:#fff;border-radius:12px;font-size:.75rem;font-weight:600}.subscription-card h3{font-size:1.5rem;font-weight:700;margin-bottom:1rem;color:#1a202c}.subscription-price{display:flex;align-items:flex-start;margin-bottom:1.5rem}.subscription-price .currency{font-size:1.5rem;font-weight:600;color:#1a202c;margin-top:.25rem}.subscription-price .amount{font-size:3rem;font-weight:700;color:#1a202c;line-height:1}.subscription-price .period{color:#718096;font-size:1rem;margin-left:.25rem;align-self:flex-end;margin-bottom:.5rem}.subscription-features{list-style:none;padding:0;margin:0 0 1.5rem}.subscription-features li{padding:.5rem 0;color:#4a5568;font-size:.95rem}[data-theme=dark] .subscription-card{background:#1e293b;border-color:#334155}[data-theme=dark] .subscription-card h3,[data-theme=dark] .subscription-price .currency,[data-theme=dark] .subscription-price .amount{color:#f1f5f9}[data-theme=dark] .subscription-price .period{color:#94a3b8}[data-theme=dark] .subscription-features li{color:#e2e8f0}[data-theme=dark] .subscription-card.enterprise{background:linear-gradient(135deg,#3b82f61a,#1e40af1a);border-color:var(--accent-light)}[data-theme=dark] .subscription-card.enterprise h3,[data-theme=dark] .subscription-card.enterprise .subscription-price .currency,[data-theme=dark] .subscription-card.enterprise .subscription-price .amount,[data-theme=dark] .subscription-card.enterprise .subscription-features li{color:#fef3c7}[data-theme=dark] .package-card{background:#1e293b;border-color:#334155;box-shadow:0 2px 8px #0000004d}[data-theme=dark] .package-card:hover{border-color:var(--accent-primary);box-shadow:0 12px 24px #3b82f666}[data-theme=dark] .package-card.popular{border-color:var(--accent-primary);box-shadow:0 8px 20px #3b82f666}[data-theme=dark] .package-card h3{color:#fafafa}[data-theme=dark] .package-price .currency,[data-theme=dark] .package-price .amount{color:#f1f5f9}[data-theme=dark] .package-rate{color:#94a3b8}[data-theme=dark] .package-description{color:#cbd5e1}[data-theme=dark] .package-tokens span,[data-theme=dark] .billing-header .subtitle,[data-theme=dark] .section-subtitle{color:#d4d4d8}[data-theme=dark] .token-packages h2,[data-theme=dark] .subscription-upgrade h2,[data-theme=dark] .payment-history h2{color:#fafafa}[data-theme=dark] .subscribe-button.secondary{background:#1e293b;color:var(--accent-light);border-color:var(--accent-primary)}[data-theme=dark] .subscribe-button.secondary:hover:not(:disabled){background:#334155;box-shadow:0 6px 16px #1e40af66}[data-theme=dark] .history-table-container{background:#1e293b;border-color:#334155}[data-theme=dark] .history-table thead{background:#0f172a}[data-theme=dark] .history-table th{color:#fafafa;font-weight:600}[data-theme=dark] .history-table td{border-top-color:#334155;color:#e4e4e7}[data-theme=dark] .no-history{background:#1e293b;color:#94a3b8}[data-theme=dark] .type-badge{background:#334155;color:#e2e8f0}.subscription-actions{display:flex;gap:.75rem}.subscribe-button{flex:1;padding:.875rem;background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 100%);color:#fff;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease}.subscribe-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 16px #1e40af66}.subscribe-button:disabled{opacity:.5;cursor:not-allowed;position:relative}.subscribe-button:disabled[title]:hover:after{content:attr(title);position:absolute;bottom:100%;left:50%;transform:translate(-50%);margin-bottom:8px;padding:8px 12px;background:#000000e6;color:#fff;font-size:.85rem;font-weight:400;border-radius:6px;white-space:nowrap;z-index:1000;pointer-events:none;box-shadow:0 4px 12px #0000004d}.subscribe-button:disabled[title]:hover:before{content:"";position:absolute;bottom:100%;left:50%;transform:translate(-50%);margin-bottom:2px;border:6px solid transparent;border-top-color:#000000e6;z-index:1000;pointer-events:none}.subscribe-button.secondary{background:#fff;color:var(--accent-primary);border:2px solid var(--accent-primary)}.subscribe-button.secondary:hover:not(:disabled){background:#f7fafc;box-shadow:0 6px 16px #1e40af33}.modal-overlay{position:fixed;inset:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:2000;animation:fadeIn .2s ease}.modal-content{background:#fff;border-radius:10px;box-shadow:0 20px 60px #0000004d;max-width:500px;width:90%;animation:slideUp .3s ease}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;border-bottom:1px solid #e2e8f0}.modal-header h3{font-size:1.25rem;font-weight:600;margin:0;color:#2d3748}.modal-close{background:none;border:none;font-size:1.5rem;color:#a0aec0;cursor:pointer;padding:0;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s ease}.modal-close:hover{background:#f7fafc;color:#4a5568}.modal-body{padding:1.5rem}.modal-body p{color:#4a5568;line-height:1.6;margin:0 0 1.5rem}.extend-details{background:#f7fafc;border-radius:8px;padding:1rem;border:1px solid #e2e8f0}.detail-row{display:flex;justify-content:space-between;padding:.5rem 0}.detail-row:not(:last-child){border-bottom:1px solid #e2e8f0}.detail-row .label{color:#718096;font-weight:500}.detail-row .value{color:#2d3748;font-weight:600}.modal-footer{display:flex;gap:.75rem;padding:1.5rem;border-top:1px solid #e2e8f0}.modal-button{flex:1;padding:.875rem;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .3s ease}.modal-button.cancel{background:#f7fafc;color:#4a5568;border:1px solid #e2e8f0}.modal-button.cancel:hover{background:#edf2f7;border-color:#cbd5e0}.modal-button.confirm{background:linear-gradient(135deg,var(--accent-primary) 0%,var(--accent-secondary) 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640px){.auto-topup-edit-panel{flex-direction:column;align-items:stretch}.auto-topup-edit-fields{flex-direction:column}}.monthly-spend-section{margin-bottom:2rem}.spend-bar-container{margin-top:.75rem}.spend-bar-labels{display:flex;justify-content:space-between;font-size:.85rem;color:var(--text-secondary, #6b7280);margin-bottom:.25rem}.spend-bar-track{width:100%;height:8px;background:var(--bg-secondary, #e5e7eb);border-radius:4px;overflow:hidden}.spend-bar-fill{height:100%;background:var(--accent-primary, #6366f1);border-radius:4px;transition:width .4s ease}.spend-bar-fill.warn{background:#f59e0b}.spend-bar-fill.danger{background:#ef4444}.receipt-link{color:var(--accent-primary, 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h2{font-size:1.25rem}.modal-body{padding:1rem}.user-details-grid,.modal-stats-grid{grid-template-columns:1fr}.search-box{min-width:100%}.table-card-header{flex-direction:column;align-items:stretch}}.amodels-page{padding:0;max-width:1100px}.amodels-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px;gap:16px;color:var(--text-secondary)}.amodels-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}.amodels-header h1{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin:0 0 6px}.amodels-subtitle{color:var(--text-secondary);font-size:.9rem;margin:0}.amodels-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;border:none;transition:all .15s;white-space:nowrap}.amodels-btn:disabled{opacity:.5;cursor:not-allowed}.amodels-btn-primary{background:var(--accent, 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