:root {
            --bg-color: #f8fafc;
            --sidebar-bg: rgba(255, 255, 255, 0.85);
            --card-bg: rgba(255, 255, 255, 0.8);
            --primary-blue: #2d68fe;
            --primary-blue-hover: #1e52ee;
            --primary-blue-light: #eaf1ff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-light: #94a3b8;
            --border-color: rgba(226, 232, 240, 0.8);
            --green: #10b981;
            --yellow: #f59e0b;
            --red: #ef4444;
            --red-light: #fff1f1;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Courier New', monospace;
            --border-radius-lg: 20px;
            --border-radius-md: 14px;
            --border-radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.03);
            --shadow-md: 0 10px 30px rgba(45, 104, 254, 0.05);
            
            --glass-blur: 16px;
            --glass-border: 1px solid rgba(226, 232, 240, 0.6);
            --card-shadow-hover: 0 12px 36px rgba(45, 104, 254, 0.1);
            
            --gradient-body: linear-gradient(135deg, #f8fafc 0%, #eef2f6 100%);
            --header-icon-hover-bg: #f1f5f9;
            
            --code-bg: #f8fafc;
            --code-color: #1e293b;
            --code-cmt: #64748b;
            --code-cmd: #0284c7;
            --code-key: #475569;
            --code-str: #059669;
            --code-num: #2563eb;
        }


        [data-theme="dark"] {
            --bg-color: #080c14;
            --sidebar-bg: rgba(15, 23, 42, 0.65);
            --card-bg: rgba(15, 23, 42, 0.55);
            --primary-blue: #3b82f6;
            --primary-blue-hover: #60a5fa;
            --primary-blue-light: rgba(59, 130, 246, 0.12);
            --text-primary: #f8fafc;
            --text-secondary: #94a3b8;
            --text-light: #475569;
            --border-color: rgba(51, 65, 85, 0.6);
            --green: #10b981;
            --yellow: #fbbf24;
            --red: #f87171;
            --red-light: rgba(248, 113, 113, 0.1);
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 12px 40px rgba(0, 0, 0, 0.5);
            
            --glass-blur: 20px;
            --glass-border: 1px solid rgba(255, 255, 255, 0.06);
            --card-shadow-hover: 0 12px 36px rgba(59, 130, 246, 0.2);
            
            --gradient-body: linear-gradient(135deg, #080c14 0%, #0f172a 100%);
            --header-icon-hover-bg: rgba(255, 255, 255, 0.08);
            
            --code-bg: #0d131f;
            --code-color: #e2e8f0;
            --code-cmt: #4b5563;
            --code-cmd: #38bdf8;
            --code-key: #94a3b8;
            --code-str: #34d399;
            --code-num: #60a5fa;
        }


        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.15s ease;
        }


        body {
            background: var(--gradient-body);
            color: var(--text-primary);
            min-height: 100vh;
            padding: 24px;
            display: flex;
            justify-content: center;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }


        .container-wrapper {
            width: 100%;
            max-width: 1480px;
            display: flex;
            justify-content: center;
        }


        .container {
            display: grid;
            grid-template-columns: 240px minmax(640px, 1fr) 340px;
            gap: 24px;
            width: 100%;
        }


        /* --- Sidebar Navigation --- */
        .sidebar {
            background-color: var(--sidebar-bg);
            border-radius: var(--border-radius-lg);
            padding: 20px 16px;
            height: fit-content;
            border: var(--glass-border);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 32px;
            position: sticky;
            top: 24px;
            backdrop-filter: blur(var(--glass-blur));
        }


        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 4px 6px;
            white-space: nowrap;
        }


        .logo svg { 
            width: 28px; 
            height: 28px; 
            animation: pulse 3s infinite;
            flex-shrink: 0;
        }

        
        .logo-text { 
            font-size: 16.5px; 
            font-weight: 800; 
            letter-spacing: -0.03em;
            color: var(--text-primary);
            flex-shrink: 0;
        }

        
        .logo-divider { 
            color: var(--border-color); 
            font-weight: 300; 
            font-size: 12px;
            opacity: 0.8;
            margin: 0 2px;
            flex-shrink: 0;
        }


        .logo-subtitle {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 550;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }


        .nav-menu {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }


        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--border-radius-md);
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 550;
            font-size: 14px;
            cursor: pointer;
            border: none;
            background: transparent;
            width: 100%;
            text-align: left;
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }


        .nav-link.active, .nav-link:hover {
            background-color: var(--primary-blue-light);
            color: var(--primary-blue);
            padding-left: 18px;
        }


        .nav-link svg {
            width: 18px;
            height: 18px;
            color: var(--text-light);
            transition: transform 0.2s ease;
        }

        
        .nav-link.active svg, .nav-link:hover svg { 
            color: var(--primary-blue); 
            transform: scale(1.15);
        }


        .sidebar-card {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            color: white;
            border-radius: var(--border-radius-md);
            padding: 18px;
            margin-top: 40px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }


        .sidebar-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }


        .sidebar-card-header h3 { 
            font-size: 13px; 
            font-weight: 600; 
            color: #f1f5f9;
        }

        
        .badge {
            font-size: 11px;
            background-color: var(--primary-blue);
            color: white;
            padding: 2px 8px;
            border-radius: 99px;
            font-weight: 600;
        }

        
        .sidebar-card p {
            font-size: 11px;
            color: #cbd5e1;
            margin-bottom: 12px;
            line-height: 1.5;
        }


        .sidebar-card .view-docs-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: #93c5fd;
            text-decoration: none;
            font-size: 12px;
            font-weight: 600;
        }

        
        .sidebar-card .view-docs-link:hover {
            text-decoration: underline;
        }


        /* --- Main Views Area --- */
        .main-content {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }


        .header {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 20px;
            padding-top: 4px;
        }

        
        .header-icons { 
            display: flex; 
            gap: 16px; 
        }

        
        .header-icons a { 
            color: var(--text-secondary); 
            text-decoration: none; 
            padding: 6px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        
        .header-icons a:hover {
            background-color: #f1f5f9;
            color: var(--text-primary);
        }

        
        .header-icons a svg { 
            width: 20px; 
            height: 20px; 
        }


        .user-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--border-radius-md);
        }

        
        .user-menu:hover {
            background-color: #f1f5f9;
        }


        .logout-link {
            border: 0;
            background: transparent;
            color: #64748b;
            font-size: 13px;
            font-weight: 700;
            cursor: pointer;
            padding: 6px 8px;
            border-radius: 9px;
        }


        .logout-link:hover {
            color: #ef4444;
            background: var(--red-light);
        }

        
        .avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--primary-blue);
            color: white;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 700;
            font-size: 13px;
        }


        @keyframes float-icon {
            0% { transform: translateY(-50%) translate(0, 0); }

            50% { transform: translateY(-50%) translate(-6px, -8px); }

            100% { transform: translateY(-50%) translate(0, 0); }
        }

        .recharge-btn {
            background-color: var(--primary-blue-light);
            color: var(--primary-blue);
            border: 1px solid rgba(45, 104, 254, 0.15);
            padding: 6px 18px;
            border-radius: 99px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            backdrop-filter: blur(4px);
            transition: all 0.3s ease;
        }

        
        .recharge-btn:hover { 
            background-color: var(--primary-blue);
            color: white;
            transform: scale(1.02);
            box-shadow: 0 4px 12px rgba(45, 104, 254, 0.15);
        }

        
        .stat-item p {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }

        
        .stat-item .value { 
            font-size: 18px; 
            font-weight: 700; 
            color: var(--text-primary);
            font-family: var(--font-mono);
        }

        
        .base-url {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 24px;
            font-size: 13px;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            background-color: var(--header-icon-hover-bg);
            padding: 8px 12px;
            border-radius: var(--border-radius-sm);
            width: fit-content;
            border: var(--glass-border);
        }

        
        .base-url .copy-btn {
            background: var(--primary-blue-light);
            color: var(--primary-blue);
            border: 1px solid rgba(45, 104, 254, 0.15);
            padding: 4px 10px;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
            font-size: 11px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        
        .base-url .copy-btn:hover {
            background: var(--primary-blue);
            color: white;
        }


        /* --- Tab View Transition --- */
        .view-pane {
            display: none;
            animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        }

        
        .view-pane.active {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }


        .key-card {
            background-color: var(--card-bg);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            display: flex;
            flex-direction: column;
            padding: 0;
            overflow: hidden;
            min-height: 290px;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(var(--glass-blur));
        }

        
        .key-card:hover { 
            transform: translateY(-4px) scale(1.01); 
            box-shadow: var(--card-shadow-hover); 
            border-color: var(--primary-blue);
        }


        .key-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 20px 12px 20px;
        }

        
        .key-card-header h3 { 
            font-size: 15px; 
            font-weight: 700; 
            color: var(--text-primary);
        }

        .key-add-balance-btn {
            border: 1px solid #bfdbfe;
            background: #eff6ff;
            color: var(--primary-blue);
            border-radius: 9px;
            padding: 5px 10px;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
            white-space: nowrap;
        }

        .key-add-balance-btn:hover {
            background: var(--primary-blue);
            border-color: var(--primary-blue);
            color: #fff;
        }


        /* Status Dot Green/Orange Badges */
        .status-dot {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        
        .status-dot.enabled {
            background-color: #e6fdf5;
            color: #10b981;
            border: 1px solid #cbfbe5;
            animation: pulse-glow 2s infinite;
        }

        
        .status-dot.pending {
            background-color: #fef3c7;
            color: #d97706;
            border: 1px solid #fde68a;
            animation: pulse-glow-pending 2s infinite;
        }


        @keyframes pulse-glow {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }

            70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }

            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }

        }
        @keyframes pulse-glow-pending {
            0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }

            70% { box-shadow: 0 0 0 6px rgba(245, 158, 11, 0); }

            100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }

        }

        .key-info-grid {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 12px;
            font-size: 13px;
            padding: 0 20px 16px 20px;
        }

        
        .key-info-grid .label { 
            color: var(--text-secondary); 
        }

        
        .key-info-grid .value { 
            font-weight: 550; 
            text-align: right; 
            color: var(--text-primary);
        }


        /* Small colored dots after lines representation */
        .key-info-grid .value::after {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            margin-left: 6px;
            vertical-align: middle;
        }

        .key-info-grid .value-main::after { background-color: var(--green); }

        .key-info-grid .value-backup::after { background-color: var(--yellow); }


        .key-progress {
            padding: 0 20px 16px 20px;
        }

        
        .key-progress-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 6px;
            font-size: 11px;
            color: var(--text-secondary);
        }

        
        .key-progress-percent {
            font-weight: 750;
            font-family: var(--font-mono);
        }

        
        .key-progress-track {
            width: 100%;
            height: 6px;
            border-radius: 99px;
            background: #f1f5f9;
            overflow: hidden;
        }

        
        .key-progress-fill {
            height: 100%;
            border-radius: inherit;
        }

        
        /* Usage progress indicators dynamically styling */
        .key-progress.safe .key-progress-percent { color: var(--green); }

        .key-progress.safe .key-progress-fill { background: linear-gradient(90deg, #10b981, #34d399); }

        .key-progress.warning .key-progress-percent { color: var(--yellow); }

        .key-progress.warning .key-progress-fill { background: linear-gradient(90deg, #f59e0b, #fbbf24); }

        .key-progress.danger .key-progress-percent { color: var(--red); }

        .key-progress.danger .key-progress-fill { background: linear-gradient(90deg, #ef4444, #fb7185); }


        .key-card-actions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            padding: 0 20px 20px 20px;
            margin-top: auto;
        }

        
        .key-card-actions .btn {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 8px 12px;
            border-radius: 99px;
            border: 1px solid var(--border-color);
            background-color: white;
            font-weight: 600;
            font-size: 13px;
            cursor: pointer;
        }

        
        .key-card-actions .btn-copy {
            border-color: rgba(45, 104, 254, 0.4);
            color: var(--primary-blue);
            background-color: var(--primary-blue-light);
        }

        
        .key-card-actions .btn-copy:hover {
            background-color: #dbeafe;
        }

        
        .key-card-actions .btn-delete {
            background-color: #fff1f1;
            color: var(--red);
            border-color: #fca5a5;
        }


        .key-card-actions .btn-delete:hover {
            background-color: #fee2e2;
        }


        /* --- View: Models Hub (Screenshot 2) --- */
        .filters-row {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 12px;
            margin-bottom: 8px;
        }


        .search-wrapper {
            position: relative;
        }


        .search-wrapper input {
            width: 100%;
            padding: 10px 12px 10px 36px;
            border: var(--glass-border);
            background-color: var(--card-bg);
            color: var(--text-primary);
            border-radius: var(--border-radius-md);
            font-size: 14px;
        }


        .search-wrapper input:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: var(--shadow-sm);
        }


        .search-icon-inside {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            pointer-events: none;
            width: 16px;
            height: 16px;
        }


        .dropdown-wrapper select {
            width: 100%;
            padding: 10px 12px;
            border-radius: var(--border-radius-md);
            border: var(--glass-border);
            background-color: var(--card-bg);
            color: var(--text-primary);
            font-size: 14px;
            cursor: pointer;
            -webkit-appearance: none;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 16px;
            padding-right: 36px;
            font-weight: 550;
        }


        .dropdown-wrapper select:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: var(--shadow-sm);
        }


        .group-label-sub {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 4px;
        }


        .models-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            min-height: 452px;
            align-content: start;
        }


        .model-card {
            background-color: var(--card-bg);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 18px 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 18px;
            position: relative;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            min-height: 140px;
            backdrop-filter: blur(var(--glass-blur));
        }


        .model-card:hover {
            transform: translateY(-4px) scale(1.01);
            border-color: var(--primary-blue);
            box-shadow: var(--card-shadow-hover);
        }



        .model-card-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }


        .model-icon-bg {
            flex: 0 0 auto;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            background-color: var(--bg-color);
            border: var(--glass-border);
            overflow: hidden;
        }


        .model-icon-bg svg {
            width: 26px;
            height: 26px;
            display: block;
        }


        .model-icon-fallback {
            font-size: 12px;
            font-weight: 800;
            color: #475569;
        }


        .model-meta h4 {
            font-size: 15px;
            font-weight: 750;
            color: var(--text-primary);
            margin: 0 0 4px;
            letter-spacing: -0.02em;
        }


        .model-meta p {
            font-size: 11px;
            color: var(--text-secondary);
            line-height: 1.45;
        }


        .model-card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }


        .model-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 10px;
            border-radius: 999px;
            background: #f8fafc;
            color: var(--text-secondary);
            font-size: 11px;
            font-weight: 700;
            white-space: nowrap;
        }


        .model-badge.billing {
            color: #6d28d9;
            background: #f5f3ff;
        }


        .model-badge.billing.once {
            color: #047857;
            background: #ecfdf5;
        }


        .model-badge.ratio {
            color: #334155;
            background: #f1f5f9;
        }


        .model-badge strong {
            color: var(--text-primary);
            font-family: var(--font-mono);
        }



        .pricing-section {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background-color: var(--bg-color);
            padding: 10px 12px;
            border-radius: var(--border-radius-md);
            font-size: 11px;
            margin-top: 4px;
        }


        .price-row {
            display: flex;
            justify-content: space-between;
            color: var(--text-secondary);
            font-family: var(--font-sans);
        }


        .price-row strong {
            font-family: var(--font-mono);
            color: var(--text-primary);
            font-weight: 600;
        }


        .pagination-row {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
        }


        .page-btn {
            min-width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-color);
            background-color: var(--card-bg);
            color: var(--text-secondary);
            font-size: 13px;
            border-radius: var(--border-radius-md);
            cursor: pointer;
            font-weight: 550;
        }


        .page-btn:hover:not(:disabled) {
            border-color: var(--primary-blue);
            color: var(--primary-blue);
        }


        .page-btn:disabled {
            opacity: 0.45;
            cursor: not-allowed;
        }


        .page-btn.active {
            background-color: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }


        /* --- View: API Docs (Screenshot 3) --- */
        .info-cards-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }


        .info-mini-card {
            background-color: var(--card-bg);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(var(--glass-blur));
        }


        .info-mini-card-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background-color: var(--primary-blue-light);
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            justify-content: center;
        }


        .info-mini-card-text p {
            font-size: 11px;
            color: var(--text-secondary);
        }


        .info-mini-card-text strong {
            font-size: 13px;
            color: var(--primary-blue);
            font-family: var(--font-mono);
            font-weight: 600;
        }

        .quick-setup-card {
            background-color: var(--card-bg);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(var(--glass-blur));
        }

        .quick-setup-header,
        .advanced-code-title {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 16px;
        }

        .quick-setup-header h3,
        .advanced-code-title h3 {
            margin: 0;
            font-size: 17px;
            font-weight: 750;
            color: var(--text-primary);
        }

        .quick-setup-header p,
        .advanced-code-title p {
            margin: 4px 0 0;
            color: var(--text-secondary);
            font-size: 12.5px;
            line-height: 1.5;
        }

        .quick-setup-badge {
            flex: 0 0 auto;
            font-size: 11px;
            font-weight: 700;
            padding: 5px 10px;
            border-radius: 999px;
            background: rgba(45, 104, 254, 0.1);
            color: var(--primary-blue);
            border: 1px solid rgba(45, 104, 254, 0.18);
        }

        .quick-setup-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 12px;
        }

        .quick-setup-field {
            display: flex;
            flex-direction: column;
            gap: 7px;
            font-size: 12px;
            font-weight: 700;
            color: var(--text-secondary);
        }

        .quick-setup-field select {
            width: 100%;
            height: 42px;
            border-radius: var(--border-radius-md);
            border: 1px solid var(--border-color);
            background: var(--bg-main);
            color: var(--text-main);
            padding: 0 12px;
            font-size: 13.5px;
        }

        .quick-setup-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .quick-setup-install-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 32px;
            padding: 0 12px;
            border-radius: 10px;
            background: rgba(45, 104, 254, 0.08);
            color: var(--primary-blue);
            text-decoration: none;
            font-size: 12px;
            font-weight: 800;
        }

        .quick-setup-install-link:hover {
            background: var(--primary-blue-light);
        }

        .quick-setup-note {
            margin: -4px 0 0;
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1.5;
        }


        .code-playground-card {
            background-color: var(--card-bg);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(var(--glass-blur));
        }


        .tabs-left {
            display: flex;
            gap: 16px;
        }


        .tab-btn {
            border: none;
            background: transparent;
            font-size: 14px;
            font-weight: 650;
            color: var(--text-secondary);
            cursor: pointer;
            padding-bottom: 12px;
            margin-bottom: -14px;
            border-bottom: 2px solid transparent;
        }


        .tab-btn.active {
            color: var(--primary-blue);
            border-color: var(--primary-blue);
        }


        .copy-code-btn {
            background-color: var(--border-color);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-sm);
            padding: 6px 12px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 6px;
        }


        .copy-code-btn:hover {
            background-color: var(--primary-blue-light);
            color: var(--primary-blue);
        }


        .code-editor-container {
            font-family: var(--font-mono);
            background-color: var(--code-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            padding: 20px;
            font-size: 13.5px;
            line-height: 1.6;
            color: var(--code-color);
            white-space: pre-wrap;
            overflow-x: auto;
        }


        /* cURL/JSON syntax elements */
        .code-editor-container .cmt { color: var(--code-cmt); font-style: italic; }

        .code-editor-container .cmd { color: var(--code-cmd); font-weight: 600; }

        .code-editor-container .key { color: var(--code-key); }

        .code-editor-container .str { color: var(--code-str); }

        .code-editor-container .num { color: var(--code-num); }


        .api-details-split {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }


        .details-box {
            background-color: var(--card-bg);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 16px;
            backdrop-filter: blur(var(--glass-blur));
        }


        .details-box h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }


        /* Elegant tables for API params */
        .api-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
        }


        .api-table th {
            text-align: left;
            padding: 10px 8px;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 2px solid var(--border-color);
        }


        .api-table td {
            padding: 10px 8px;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-color);
        }


        .param-name {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--primary-blue);
        }


        .param-type {
            font-family: var(--font-mono);
            font-size: 11px;
            background-color: var(--border-color);
            padding: 2px 6px;
            border-radius: 4px;
            color: var(--text-secondary);
        }


        .error-codes-section {
            background-color: var(--card-bg);
            border: var(--glass-border);
            border-radius: var(--border-radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 16px;
            backdrop-filter: blur(var(--glass-blur));
        }


        .error-codes-section h3 {
            font-size: 15px;
            font-weight: 700;
        }


        .errors-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }


        .error-card {
            border-radius: var(--border-radius-md);
            padding: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid transparent;
        }


        .error-card.err-401 {
            background-color: #fff1f1;
            border-color: #fca5a5;
        }

        .error-card.err-401 .badge-circle {
            background: #ef4444;
        }


        .error-card.err-429 {
            background-color: #fef3c7;
            border-color: #fcd34d;
        }

        .error-card.err-429 .badge-circle {
            background: #f59e0b;
        }


        .error-card.err-500 {
            background-color: #f5f3ff;
            border-color: #ddd6fe;
        }

        .error-card.err-500 .badge-circle {
            background: #8b5cf6;
        }


        .badge-circle {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 13px;
            font-family: var(--font-mono);
            shrink: 0;
        }


        .error-desc h4 {
            font-size: 13.5px;
            font-weight: 700;
            color: var(--text-primary);
        }


        .error-desc p {
            font-size: 11px;
            color: var(--text-secondary);
        }


        /* --- Right Panel --- */
        .right-panel { 
            display: none; 
            flex-direction: column; 
            gap: 24px; 
            position: sticky;
            top: 24px;
            height: fit-content;
        }


        .right-panel.visible {
            display: flex;
        }

        
        .panel-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        
        .panel-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        
        .panel-card-header h2 {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 16px;
            font-weight: 750;
        }

        
        .panel-card-header h2 .icon-bg {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--text-primary);
            color: white;
        }

        
        .panel-card-header .header-link {
            font-size: 12.5px;
            color: var(--primary-blue);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
        }


        .panel-card-header .header-link:hover {
            color: var(--primary-blue-hover);
        }


        .overview-side-card {
            padding: 22px;
        }


        .overview-side-card .panel-card-header {
            margin-bottom: 18px;
        }


        .overview-side-card .panel-card-header h2 .icon-bg {
            background-color: var(--primary-blue-light);
            color: var(--primary-blue);
        }


        .overview-side-card .panel-card-header h2 .icon-bg svg {
            color: var(--primary-blue) !important;
        }


        .quick-actions-list,
        .check-list,
        .hint-list,
        .side-info-list,
        .toc-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }


        .quick-action-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px;
            border: 1px solid transparent;
            border-radius: var(--border-radius-md);
            color: var(--text-primary);
            text-decoration: none;
            cursor: pointer;
        }


        .quick-action-item:hover {
            background-color: #f7faff;
            border-color: #dbe7ff;
            transform: translateY(-1px);
        }


        .quick-action-icon,
        .check-icon,
        .hint-dot {
            flex: 0 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
        }


        .quick-action-icon {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--primary-blue-light);
            color: var(--primary-blue);
        }


        .quick-action-text strong,
        .check-text strong,
        .hint-text strong {
            display: block;
            font-size: 13.5px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 3px;
        }


        .quick-action-text span,
        .check-text span,
        .hint-text span {
            display: block;
            font-size: 12px;
            line-height: 1.45;
            color: var(--text-secondary);
        }

        .usage-log-compact {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 10px;
            min-width: 0;
            width: 100%;
        }

        .usage-log-compact strong,
        .usage-log-compact span {
            margin: 0;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .usage-log-compact strong {
            flex: 1 1 auto;
        }

        .usage-log-compact span {
            flex: 0 0 auto;
            color: var(--text-secondary);
        }

        .usage-log-compact span:last-child {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--text-secondary);
        }


        .check-item,
        .hint-item {
            display: flex;
            align-items: flex-start;
            gap: 11px;
            padding: 8px 2px;
        }


        .check-icon {
            width: 22px;
            height: 22px;
            margin-top: 1px;
            border-radius: 50%;
            background-color: #dcfce7;
            color: #16a34a;
        }


        .check-icon.pending {
            background-color: #f1f5f9;
            color: #94a3b8;
            border: 1px solid #e2e8f0;
        }


        .overview-card-note {
            margin-top: 14px;
            padding: 12px 14px;
            border-radius: var(--border-radius-md);
            background: #f8fafc;
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1.6;
        }


        .hint-dot {
            width: 9px;
            height: 9px;
            margin-top: 7px;
            border-radius: 50%;
            background-color: var(--green);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
        }


        .side-info-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding: 11px 0;
            border-bottom: 1px solid #eef2f7;
            font-size: 13px;
            color: var(--text-secondary);
        }


        .side-info-item:last-child { border-bottom: none; }


        .side-info-item strong {
            color: var(--text-primary);
            font-weight: 700;
            text-align: right;
        }


        .toc-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 12px;
            border-radius: var(--border-radius-md);
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 13px;
            font-weight: 650;
        }


        .toc-link:hover {
            background-color: #f7faff;
            color: var(--primary-blue);
        }


        .toc-link span:first-child {
            color: var(--text-light);
            font-family: var(--font-mono);
            font-size: 11px;
            margin-right: 8px;
        }


        #docs-toc-card .panel-card-header {
            justify-content: center;
        }


        #docs-toc-card .panel-card-header h2 {
            justify-content: center;
            width: 100%;
        }


        #docs-toc-card .toc-list {
            align-items: stretch;
        }


        #docs-toc-card .toc-link {
            position: relative;
            justify-content: center;
            text-align: center;
        }


        #docs-toc-card .toc-link span:first-child {
            position: absolute;
            left: 12px;
            margin-right: 0;
        }


        .form-group { margin-bottom: 16px; }

        
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-secondary);
        }

        
        .form-group select, .form-group input {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-md);
            font-size: 14px;
            background-color: var(--bg-color);
            font-weight: 550;
        }


        .form-group select:focus, .form-group input:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(45, 104, 254, 0.1);
            background-color: white;
        }

        
        .form-group select {
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 16px;
        }

        
        .select-wrapper { position: relative; }

        
        .select-wrapper .tag {
             position: absolute;
             right: 40px;
             top: 50%;
             transform: translateY(-50%);
             font-size: 10.5px;
             padding: 2px 8px;
             border-radius: 99px;
             background-color: #e6f7f2;
             color: #10b981;
             font-weight: 700;
        }

        
        .form-footer {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: -8px;
            margin-bottom: 24px;
            font-family: var(--font-mono);
        }


        .btn-primary {
            width: 100%;
            padding: 12px;
            border-radius: var(--border-radius-md);
            background-color: var(--primary-blue);
            color: white;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(45, 104, 254, 0.15);
        }


        .btn-primary:hover {
            background-color: var(--primary-blue-hover);
        }


        .btn-primary:disabled,
        .btn-primary.disabled {
            background-color: #cbd5e1;
            color: #f8fafc;
            cursor: not-allowed;
            box-shadow: none;
            opacity: 0.85;
        }

        
        .key-success-card {
            background-color: #f6fdf9;
            border-color: #cbfbe5;
            display: none;
            text-align: center;
            padding: 36px 24px;
        }


        .key-success-card.show {
            display: flex !important;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }


        .key-success-card .success-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: #e6f7f2;
            color: #10b981;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 0 auto 16px;
        }

        
        .key-success-card h2 {
            text-align: center;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 0;
            color: #065f46;
        }


        .key-display {
            background-color: white;
            padding: 16px;
            border-radius: var(--border-radius-md);
            border: 1px solid #d1fae5;
        }

        
        .key-display .label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-weight: 600;
        }

        
        .key-placeholder {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: #f1f5f9;
            padding: 12px 14px;
            border-radius: var(--border-radius-sm);
            border: 1px solid var(--border-color);
        }

        
        .key-placeholder-text {
            font-family: var(--font-mono);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 13px;
        }


        .key-placeholder-btn {
            background: transparent;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
        }


        .key-placeholder-btn:hover {
            color: var(--primary-blue);
        }


        .confirm-mask {
            position: fixed;
            inset: 0;
            z-index: 2200;
            display: none;
            align-items: center;
            justify-content: center;
            background: rgba(15, 23, 42, 0.42);
            backdrop-filter: blur(6px);
            padding: 20px;
        }


        .confirm-mask.show { display: flex; }


        .confirm-panel {
            width: min(420px, 100%);
            background: var(--card-bg);
            border: var(--glass-border);
            border-radius: 22px;
            padding: 26px;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(var(--glass-blur));
        }


        .confirm-icon {
            width: 46px;
            height: 46px;
            border-radius: 999px;
            background: var(--red-light);
            color: var(--red);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }


        .confirm-panel h3 {
            margin: 0 0 8px;
            font-size: 18px;
            letter-spacing: -0.02em;
        }


        .confirm-panel p {
            margin: 0;
            color: var(--text-secondary);
            line-height: 1.7;
            font-size: 14px;
        }


        .confirm-actions {
            display: flex;
            justify-content: flex-end;
            gap: 12px;
            margin-top: 24px;
        }


        .confirm-actions button {
            border: none;
            border-radius: 12px;
            padding: 10px 18px;
            font-weight: 700;
            cursor: pointer;
        }


        .confirm-cancel { background: var(--border-color); color: var(--text-secondary); }

        .confirm-danger { background: var(--red); color: #fff; }

        .recharge-primary { background: var(--primary-blue); color: #fff; }

        .allocate-key-panel {
            width: min(460px, 100%);
        }

        .allocate-key-summary {
            display: grid;
            gap: 10px;
            margin: 18px 0;
            padding: 14px;
            border: 1px solid var(--border-color);
            border-radius: 14px;
            background: rgba(248, 250, 252, 0.75);
        }

        .allocate-key-summary div {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .allocate-key-summary strong {
            color: var(--text-primary);
            font-family: var(--font-mono);
            text-align: right;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .allocate-key-field {
            display: grid;
            gap: 8px;
            margin-top: 12px;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .allocate-key-field input {
            width: 100%;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 12px 14px;
            background: var(--card-bg);
            color: var(--text-primary);
            font-size: 14px;
        }

        .allocate-key-error {
            min-height: 18px;
            margin-top: 10px;
            color: var(--red);
            font-size: 12px;
            font-weight: 600;
        }

        .recharge-close {
            position: absolute;
            top: 14px;
            right: 16px;
            border: none;
            background: transparent;
            color: var(--text-secondary);
            font-size: 24px;
            line-height: 1;
            cursor: pointer;
        }

        .recharge-panel { position: relative; }

        .recharge-online-panel {
            width: min(700px, 100%);
            padding: 0;
            overflow: hidden;
            text-align: left;
            border-radius: 26px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
        }

        [data-theme="dark"] .recharge-online-panel {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(17, 24, 39, 0.96));
        }

        .recharge-header {
            padding: 28px 30px 20px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.16);
            background:
                radial-gradient(circle at 14% 0%, rgba(45, 104, 254, 0.11), transparent 36%),
                radial-gradient(circle at 96% 14%, rgba(109, 93, 252, 0.1), transparent 34%);
        }

        .recharge-online-panel h3 {
            margin: 0;
            color: var(--text-primary);
            font-size: 21px;
            font-weight: 800;
            letter-spacing: -0.03em;
        }

        .recharge-header p {
            margin-top: 7px;
            max-width: 430px;
            font-size: 13px;
            line-height: 1.6;
            color: var(--text-secondary);
        }

        .recharge-modal-body {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 232px;
            gap: 22px;
            align-items: start;
            padding: 24px 30px 0;
        }

        .recharge-left-pane,
        .recharge-order-side {
            min-width: 0;
        }

        .recharge-section-label {
            margin-bottom: 10px;
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.04em;
        }

        .recharge-package-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
        }

        .recharge-package-card {
            min-height: 82px;
            border: 1px solid rgba(148, 163, 184, 0.28);
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.74);
            color: var(--text-primary);
            font-size: 22px;
            font-weight: 850;
            letter-spacing: -0.03em;
            cursor: pointer;
            box-shadow: 0 8px 22px rgba(15, 23, 42, 0.035), inset 0 1px 1px rgba(255, 255, 255, 0.8);
            transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
        }

        [data-theme="dark"] .recharge-package-card {
            background: rgba(15, 23, 42, 0.46);
            box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.04);
        }

        .recharge-package-card:hover {
            border-color: rgba(45, 104, 254, 0.42);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(45, 104, 254, 0.08), inset 0 1px 1px rgba(255, 255, 255, 0.9);
        }

        .recharge-package-card.active {
            border-color: rgba(109, 93, 252, 0.82);
            background: linear-gradient(180deg, rgba(237, 242, 255, 0.96), rgba(238, 242, 255, 0.82));
            color: #27368f;
            box-shadow: 0 16px 34px rgba(109, 93, 252, 0.14), inset 0 0 0 1px rgba(109, 93, 252, 0.16);
        }

        [data-theme="dark"] .recharge-package-card.active {
            color: #dbeafe;
            background: linear-gradient(180deg, rgba(67, 56, 202, 0.32), rgba(30, 41, 59, 0.58));
        }

        .recharge-order-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .recharge-pay-box {
            height: 232px;
            border: 1px dashed rgba(148, 163, 184, 0.46);
            border-radius: 20px;
            background:
                linear-gradient(135deg, rgba(248, 250, 252, 0.92), rgba(255, 255, 255, 0.88)),
                repeating-linear-gradient(45deg, rgba(148, 163, 184, 0.06) 0, rgba(148, 163, 184, 0.06) 8px, transparent 8px, transparent 16px);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 16px;
            overflow: hidden;
            font-size: 13px;
            font-weight: 650;
            line-height: 1.6;
        }

        [data-theme="dark"] .recharge-pay-box {
            background: rgba(15, 23, 42, 0.42);
        }

        .recharge-pay-box img,
        .recharge-pay-box iframe {
            width: 100%;
            height: 100%;
            border: none;
            border-radius: 14px;
            background: #fff;
            box-shadow: 0 10px 28px rgba(15, 23, 42, 0.1);
        }

        .recharge-pay-box img {
            object-fit: contain;
        }

        .recharge-pay-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 156px;
            height: 44px;
            padding: 0 18px;
            border-radius: 999px;
            background: linear-gradient(135deg, #2563eb, #4f46e5);
            color: #fff;
            font-weight: 800;
            text-decoration: none;
            box-shadow: 0 14px 30px rgba(37, 99, 235, 0.25);
        }

        .recharge-pay-link:hover {
            transform: translateY(-1px);
            box-shadow: 0 16px 34px rgba(37, 99, 235, 0.32);
        }

        .recharge-success-state {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 18px;
        }

        .recharge-success-icon {
            width: 92px;
            height: 92px;
            border-radius: 999px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, #2f6df6, #4f8cff);
            color: #fff;
            font-size: 52px;
            font-weight: 900;
            line-height: 1;
            box-shadow: 0 18px 40px rgba(47, 109, 246, 0.28);
        }

        .recharge-success-title {
            color: var(--text-primary);
            font-size: 18px;
            font-weight: 900;
            letter-spacing: 0.02em;
        }

        .recharge-order-btn {
            width: 100%;
            border: none;
            border-radius: 15px;
            padding: 13px 18px;
            font-weight: 800;
            cursor: pointer;
            box-shadow: 0 12px 22px rgba(45, 104, 254, 0.18);
            transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.18s ease;
        }

        .recharge-order-btn:not(:disabled):hover {
            transform: translateY(-1px);
            box-shadow: 0 16px 28px rgba(45, 104, 254, 0.24);
        }

        .recharge-order-btn:disabled {
            opacity: 0.48;
            cursor: not-allowed;
            box-shadow: none;
        }

        .recharge-status-text {
            margin: 20px 30px 28px !important;
            min-height: 22px;
            padding: 12px 14px;
            border-radius: 14px;
            background: rgba(45, 104, 254, 0.06);
            color: var(--text-secondary);
            text-align: center;
            font-size: 13px !important;
        }

        .invite-panel {
            position: relative;
            width: min(560px, calc(100vw - 32px));
            padding: 28px;
            text-align: left;
        }

        .invite-balance-btn {
            position: absolute;
            right: 36px;
            bottom: 26px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 1px solid rgba(124, 58, 237, 0.18);
            border-radius: 999px;
            background: rgba(124, 58, 237, 0.08);
            color: #7c3aed;
            padding: 8px 12px;
            font-size: 12px;
            font-weight: 850;
            cursor: pointer;
            box-shadow: 0 10px 22px rgba(124, 58, 237, 0.08);
        }

        .invite-balance-btn em {
            font-style: normal;
            color: var(--text-secondary);
            font-size: 11px;
            font-weight: 750;
        }

        .invite-balance-btn:hover {
            background: #7c3aed;
            color: white;
            transform: translateY(-1px);
        }

        .invite-balance-btn:hover em {
            color: rgba(255, 255, 255, 0.82);
        }

        .invite-header {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            margin-bottom: 18px;
        }

        .invite-header .confirm-icon {
            margin: 0;
            flex: 0 0 auto;
        }

        .invite-header h3 {
            margin: 0;
            color: var(--text-primary);
            font-size: 20px;
            font-weight: 850;
        }

        .invite-header p,
        .invite-rule {
            margin: 7px 0 0;
            color: var(--text-secondary);
            font-size: 13px;
            line-height: 1.6;
        }

        .invite-link-box {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            background: rgba(248, 250, 252, 0.72);
        }

        [data-theme="dark"] .invite-link-box {
            background: rgba(15, 23, 42, 0.42);
        }

        .invite-link-box span {
            min-width: 0;
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: var(--text-primary);
            font-family: var(--font-mono);
            font-size: 12px;
        }

        .invite-stats {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 12px;
            margin-top: 14px;
        }

        .invite-stats div {
            padding: 14px;
            border-radius: 16px;
            background: var(--primary-blue-light);
        }

        .invite-stats span {
            display: block;
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: 700;
        }

        .invite-stats strong {
            display: block;
            margin-top: 5px;
            color: var(--text-primary);
            font-size: 18px;
            font-weight: 850;
        }

        .invite-register-hint {
            color: var(--primary-blue) !important;
        }

        .usage-logs-modal-panel {
            position: relative;
            width: min(760px, calc(100vw - 32px));
            max-height: min(760px, calc(100vh - 48px));
            padding: 0;
            overflow: hidden;
            text-align: left;
            border-radius: 26px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.96));
        }

        [data-theme="dark"] .usage-logs-modal-panel {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.98), rgba(17, 24, 39, 0.96));
        }

        .usage-logs-modal-header {
            padding: 26px 30px 18px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.16);
        }

        .usage-logs-modal-header h3 {
            margin: 0;
            color: var(--text-primary);
            font-size: 21px;
            font-weight: 850;
            letter-spacing: -0.03em;
        }

        .usage-logs-modal-header p {
            margin-top: 6px;
            color: var(--text-secondary);
            font-size: 13px;
        }

        .usage-logs-modal-list {
            max-height: min(540px, calc(100vh - 230px));
            overflow-y: auto;
            padding: 18px 30px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .usage-logs-table-head,
        .usage-log-modal-item {
            display: grid;
            grid-template-columns: 1.35fr 1fr 1.1fr 1fr 1fr 0.8fr 0.9fr;
            gap: 12px;
            align-items: center;
        }

        .usage-log-modal-item {
            padding: 12px 14px;
            border: 1px solid rgba(148, 163, 184, 0.18);
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.62);
        }

        [data-theme="dark"] .usage-log-modal-item {
            background: rgba(15, 23, 42, 0.38);
        }

        .usage-logs-table-head {
            position: sticky;
            top: 0;
            z-index: 1;
            padding: 8px 14px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.2);
            background: rgba(248, 250, 252, 0.94);
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: 850;
            backdrop-filter: blur(10px);
        }

        [data-theme="dark"] .usage-logs-table-head {
            background: rgba(15, 23, 42, 0.94);
        }

        .usage-log-modal-item span,
        .usage-log-modal-item strong {
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: var(--text-primary);
            font-size: 12.5px;
        }

        .usage-log-modal-item strong {
            font-family: var(--font-mono);
            font-weight: 850;
        }

        .usage-log-modal-item small {
            display: block;
            margin-top: 2px;
            color: var(--text-secondary);
            font-size: 11px;
            line-height: 1.25;
        }

        .usage-log-stream-tag {
            display: inline-flex !important;
            margin-left: 5px;
            padding: 2px 6px;
            border-radius: 999px;
            background: rgba(45, 104, 254, 0.1);
            color: var(--primary-blue) !important;
            font-weight: 850;
        }

        .usage-log-group-pill {
            display: inline-flex;
            max-width: 100%;
            padding: 3px 8px;
            border-radius: 999px;
            background: #ffedd5;
            color: #9a3412;
            font-style: normal;
            font-size: 11px;
            font-weight: 850;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        [data-theme="dark"] .usage-log-group-pill {
            background: rgba(251, 146, 60, 0.16);
            color: #fdba74;
        }

        .usage-log-modal-top {
            display: none;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
        }

        .usage-log-modal-dot {
            width: 8px;
            height: 8px;
            flex: 0 0 auto;
            border-radius: 999px;
            background: var(--primary-blue);
        }

        .usage-log-modal-top strong {
            min-width: 0;
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            font-size: 14px;
            font-weight: 850;
        }

        .usage-log-modal-top em {
            flex: 0 0 auto;
            font-style: normal;
            color: var(--text-secondary);
            font-size: 12px;
            font-weight: 800;
        }

        .usage-log-modal-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 7px 18px;
            margin-top: 10px;
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1.45;
        }

        .usage-log-modal-grid span {
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .usage-logs-modal-footer {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 12px;
            padding: 16px 30px 24px;
            border-top: 1px solid rgba(148, 163, 184, 0.16);
            color: var(--text-secondary);
            font-size: 13px;
            font-weight: 700;
        }

        .usage-logs-modal-footer button {
            border: none;
            border-radius: 12px;
            padding: 10px 16px;
            font-weight: 800;
            cursor: pointer;
        }

        .usage-logs-modal-footer button:disabled {
            opacity: 0.45;
            cursor: not-allowed;
        }

        .usage-logs-loading,
        .usage-logs-empty {
            padding: 34px 16px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 13px;
        }

        @media (max-width: 720px) {
            .recharge-header {
                padding: 24px 22px 18px;
            }

            .recharge-modal-body {
                grid-template-columns: 1fr;
                padding: 20px 22px 0;
            }

            .recharge-package-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .usage-logs-table-head {
                display: none;
            }

            .usage-log-modal-item {
                grid-template-columns: 1fr 1fr;
            }

            .recharge-pay-box {
                height: 210px;
            }

            .recharge-status-text {
                margin: 18px 22px 24px !important;
            }
        }


        .operation-mask {
            position: fixed;
            inset: 0;
            z-index: 2300;
            display: none;
            align-items: center;
            justify-content: center;
            background: rgba(15, 23, 42, 0.38);
            backdrop-filter: blur(6px);
            padding: 20px;
        }

        .operation-mask.show { display: flex; }

        .operation-panel {
            width: min(360px, 100%);
            background: var(--card-bg);
            border: var(--glass-border);
            border-radius: 22px;
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(var(--glass-blur));
            text-align: center;
        }

        .operation-spinner {
            width: 38px;
            height: 38px;
            border-radius: 999px;
            border: 4px solid #dbeafe;
            border-top-color: var(--primary-blue);
            animation: spin .85s linear infinite;
            margin: 0 auto 16px;
        }

        .operation-title { font-size: 17px; font-weight: 800; margin-bottom: 8px; }

        .operation-subtitle { color: var(--text-secondary); font-size: 13px; line-height: 1.6; }

        @keyframes spin { to { transform: rotate(360deg); }
 }

        /* --- Floating Alerts Toast --- */
        .toast {
            position: fixed;
            top: 24px;
            left: 50%;
            transform: translate(-50%, -80px);
            z-index: 2600;
            background-color: #0c111d;
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: white;
            padding: 10px 18px;
            border-radius: var(--border-radius-md);
            font-size: 13px;
            font-weight: 550;
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }


        /* --- Keyframes & Utilities --- */
        @keyframes pulse {
            0%, 100% { transform: scale(1); }

            50% { transform: scale(1.05); }

        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(6px); }

            to { opacity: 1; transform: translateY(0); }

        }

        @keyframes modalIn {
            from { opacity: 0; transform: scale(0.95) translateY(12px); }

            to { opacity: 1; transform: scale(1) translateY(0); }

        }

        @keyframes slideUpIn {
            to { transform: translateY(0); opacity: 1; }

        }

        /* Responsive */
        @media (max-width: 1380px) {
            body { padding: 20px; }

            .container {
                grid-template-columns: 220px minmax(560px, 1fr) 320px;
                gap: 20px;
            }

            .panel-card,
            .overview-side-card {
                padding: 20px;
            }

        }

        @media (max-width: 1180px) {
            .container {
                grid-template-columns: 200px minmax(0, 1fr);
            }

            .right-panel {
                grid-column: 2;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                position: static;
            }

            .right-panel.visible {
                display: grid;
            }

            .info-cards-row {
                grid-template-columns: 1fr;
            }

        }

        @media (max-width: 900px) {
            body { padding: 14px; }

            .container {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .sidebar {
                position: static;
            }

            .right-panel {
                grid-column: span 1;
                grid-template-columns: 1fr;
            }

            .api-details-split {
                grid-template-columns: 1fr;
            }

            .base-url {
                max-width: 100%;
                overflow: hidden;
            }

            .base-url span {
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

        }

        /* API Playground 样式 */
        .api-playground-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius-lg);
            margin-top: 24px;
            padding: 20px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.04);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        
        .api-playground-card:hover {
            border-color: var(--primary-color-alpha);
            box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.08);
            transform: translateY(-2px);
        }


        .config-item {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }


        .config-item label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }


        .chat-input-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }


        .chat-input-col label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }


        .chat-input-col textarea {
            flex-grow: 1;
            min-height: 220px;
            padding: 14px;
            border-radius: var(--border-radius-md);
            border: 1px solid rgba(148, 163, 184, 0.2);
            background: rgba(255, 255, 255, 0.72);
            color: var(--text-primary);
            font-family: inherit;
            font-size: 13.5px;
            line-height: 1.6;
            resize: vertical;
            transition: all 0.2s ease;
        }


        .chat-input-col textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px var(--primary-color-alpha);
        }


        .chat-actions {
            display: flex;
            gap: 10px;
            margin-top: 14px;
            align-items: center;
        }


        #playground-send-btn,
        #playground-stop-btn {
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 18px;
            border-radius: 14px;
            border: none;
            color: #ffffff;
            font-size: 13.5px;
            font-weight: 600;
            line-height: 1;
            cursor: pointer;
            box-shadow: 0 8px 18px rgba(15, 23, 42, 0.14);
            transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease, opacity 0.2s ease;
        }


        #playground-send-btn {
            background: linear-gradient(135deg, var(--primary-blue, #2d68fe), #4f8cff);
        }


        #playground-send-btn:hover:not(:disabled) {
            background: var(--primary-blue-hover, #1e52ee);
            box-shadow: 0 10px 22px rgba(45, 104, 254, 0.24);
            transform: translateY(-1px);
        }


        #playground-stop-btn {
            background: rgba(239, 68, 68, 0.1);
            color: var(--red, #ef4444);
            border: 1px solid rgba(239, 68, 68, 0.18);
            box-shadow: none;
        }


        #playground-stop-btn:hover:not(:disabled) {
            background: #dc2626;
            box-shadow: 0 10px 22px rgba(239, 68, 68, 0.24);
            transform: translateY(-1px);
        }


        #playground-send-btn svg,
        #playground-stop-btn svg {
            width: 14px;
            height: 14px;
            margin-right: 6px;
            stroke: currentColor;
        }


        #playground-send-btn:disabled,
        #playground-stop-btn:disabled {
            opacity: 0.72;
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
        }


        .chat-output-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }


        .output-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }


        .output-header label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
        }


        .copy-output-btn {
            background: none;
            border: none;
            font-size: 12px;
            color: var(--text-light);
            cursor: pointer;
            display: flex;
            align-items: center;
            padding: 4px 8px;
            border-radius: 4px;
            transition: all 0.2s ease;
        }


        .copy-output-btn:hover {
            color: var(--primary-color);
            background: var(--border-color);
        }


        .response-placeholder {
            color: var(--text-light);
            font-style: italic;
        }


        .response-error {
            color: var(--red);
        }


        .response-cursor {
            display: inline-block;
            width: 6px;
            height: 14px;
            background: var(--primary-color);
            margin-left: 2px;
            vertical-align: middle;
            animation: cursor-blink 1s infinite steps(2, start);
        }


        @keyframes cursor-blink {
            to { visibility: hidden; }

        }

        @media (max-width: 768px) {
            .quick-setup-grid {
                grid-template-columns: 1fr;
            }

            .quick-setup-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .playground-config-row {
                grid-template-columns: 1fr;
            }

        }

        /* ================= 选项 1: 全局自适应滚动条 ================= */
        ::-webkit-scrollbar {
            width: 7px;
            height: 7px;
        }


        ::-webkit-scrollbar-track {
            background: transparent;
        }


        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
            border: 2px solid transparent;
            background-clip: padding-box;
            transition: background 0.3s;
        }


        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-light);
            border-radius: 10px;
            border: 2px solid transparent;
            background-clip: padding-box;
        }