/* roulang page: index */
:root {
            --primary: #6366F1;
            --primary-purple: #8B5CF6;
            --primary-pink: #EC4899;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --bg-base: #F8FAFC;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-light: rgba(99, 102, 241, 0.12);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-base);
            color: #334155;
            overflow-x: hidden;
        }
        .text-gradient {
            background: linear-gradient(135deg, #6366F1 0%, #8B5CF6 50%, #EC4899 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.6);
        }
        .glow-button {
            box-shadow: 0 4px 20px -2px rgba(99, 102, 241, 0.4);
            transition: all 0.3s ease;
        }
        .glow-button:hover {
            box-shadow: 0 8px 25px 0 rgba(236, 72, 153, 0.45);
            transform: translateY(-2px);
        }
        details summary::-webkit-details-marker {
            display: none;
        }