/* Extracted inline styles from /board-mode.html (H5) */
.gradient-text {
            background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .glass-card {
            background: rgba(255,255,255,0.03);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 1rem;
        }
        .input-field {
            width: 100%;
            padding: 0.75rem 1rem;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 0.5rem;
            color: #fff;
            font-size: 0.875rem;
        }
        .input-field:focus {
            outline: none;
            border-color: #3b82f6;
            box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.875rem 2rem;
            background: linear-gradient(135deg, #3b82f6, #1d4ed8);
            border-radius: 0.5rem;
            font-weight: 600;
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
        }
        .metric-card {
            background: rgba(59, 130, 246, 0.1);
            border: 1px solid rgba(59, 130, 246, 0.2);
            border-radius: 0.75rem;
            padding: 1.5rem;
            text-align: center;
        }
        .metric-value {
            font-size: 2rem;
            font-weight: 700;
            color: #3b82f6;
        }
        .section-divider {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            margin-top: 1.5rem;
        }