/* Season 4 specific styles */
    .guide-intro {
        background: linear-gradient(135deg, #1a1a2e, #16213e);
        color: white;
        padding: 2rem;
        border-radius: 12px;
        margin-bottom: 2rem;
    }

    .key-changes {
        margin-top: 1.5rem;
        padding: 1.5rem;
        background: rgba(184, 18, 18, 0.1);
        border-radius: 8px;
        border-left: 4px solid var(--primary);
    }

    .tier-section {
        margin-bottom: 2rem;
    }

    .hero-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
        margin: 1rem 0;
    }

    .hero-card {
        background: var(--card-bg);
        padding: 1.5rem;
        border-radius: 8px;
        border: 1px solid var(--border);
        transition: var(--transition);
    }

    .hero-card:hover {
        border-color: var(--primary);
        transform: translateY(-2px);
    }

    .hero-card h4 {
        margin-top: 0;
        color: var(--primary);
        font-size: 1.2rem;
    }

    .formation-layout {
        background: var(--card-bg);
        padding: 1.5rem;
        border-radius: 8px;
        margin: 1rem 0;
        border: 1px solid var(--border);
    }

    .formation-row {
        display: flex;
        justify-content: center;
        gap: 1rem;
        margin-bottom: 1rem;
    }

    .hero-slot {
        padding: 0.75rem 1rem;
        border-radius: 6px;
        font-size: 0.9rem;
        font-weight: 600;
        min-width: 80px;
        text-align: center;
    }

    .hero-slot.tank {
        background: #4a90e2;
        color: white;
    }

    .hero-slot.dps {
        background: #e24a4a;
        color: white;
    }

    .hero-slot.support {
        background: #50c878;
        color: white;
    }

    .checklist {
        margin: 1rem 0;
    }

    .checklist-item {
        display: flex;
        align-items: center;
        margin-bottom: 0.75rem;
        padding: 0.75rem;
        background: var(--card-bg);
        border-radius: 6px;
        border: 1px solid var(--border);
    }

    .checklist-item input[type="checkbox"] {
        margin-right: 1rem;
        transform: scale(1.2);
    }

    .allocation-bar {
        display: flex;
        height: 30px;
        border-radius: 6px;
        overflow: hidden;
        border: 1px solid var(--border);
        margin-top: 0.5rem;
    }

    .allocation-segment {
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.8rem;
        font-weight: 600;
        color: white;
    }

    .allocation-segment.hero {
        background: #e24a4a;
    }

    .allocation-segment.tower {
        background: #4a90e2;
    }

    .allocation-segment.buff {
        background: #50c878;
    }

    .timeline {
        position: relative;
        margin: 2rem 0;
    }

    .timeline::before {
        content: '';
        position: absolute;
        top: 0;
        left: 2rem;
        width: 2px;
        height: 100%;
        background: var(--primary);
    }

    .timeline-item {
        position: relative;
        margin-bottom: 2rem;
        padding-left: 5rem;
    }

    .timeline-item::before {
        content: '';
        position: absolute;
        top: 0.5rem;
        left: 1.5rem;
        width: 1rem;
        height: 1rem;
        border-radius: 50%;
        background: var(--primary);
    }

    .timeline-date {
        font-weight: 600;
        color: var(--primary);
        margin-bottom: 0.5rem;
    }

    .tips-sidebar {
        background: var(--card-bg);
        padding: 1.5rem;
        border-radius: 8px;
        border: 1px solid var(--border);
        margin-top: 2rem;
    }

    .tip-item {
        margin-bottom: 1.5rem;
        padding-bottom: 1rem;
        border-bottom: 1px solid var(--border);
    }

    .tip-item:last-child {
        border-bottom: none;
        margin-bottom: 0;
    }

    .tip-item h4 {
        margin: 0 0 0.5rem 0;
        color: var(--primary);
        font-size: 1rem;
    }

    .tip-item p {
        margin: 0;
        font-size: 0.9rem;
        color: var(--text-light);
    }

    @media (max-width: 768px) {
        .formation-row {
            flex-direction: column;
            align-items: center;
        }

        .hero-slot {
            min-width: 120px;
        }

        .timeline::before {
            left: 1rem;
        }

        .timeline-item {
            padding-left: 3rem;
        }

        .timeline-item::before {
            left: 0.5rem;
        }
    }