.references-page {
    min-height: 100vh;
}

.references-page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 40px 0 60px;
}

[data-theme="dark"] .references-page-header {
    background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%);
}

.breadcrumb-nav {
    margin-bottom: 20px;
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

    .breadcrumb-item a {
        color: white;
        text-decoration: none;
        transition: opacity 0.3s;
    }

        .breadcrumb-item a:hover {
            opacity: 0.7;
        }

    .breadcrumb-item.active {
        color: rgba(255, 255, 255, 0.6);
    }

    .breadcrumb-item + .breadcrumb-item::before {
        color: rgba(255, 255, 255, 0.5);
    }

.page-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 12px;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.references-page-content {
    padding: 60px 0 80px;
    background: var(--bg-color);
}

.references-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.filter-btn {
    padding: 12px 24px;
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

    .filter-btn.active {
        background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
        border-color: var(--primary-color);
        color: white;
        box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    }

.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    opacity: 1;
    transition: opacity 0.3s ease;
}

    .references-grid.filtering {
        opacity: 0.5;
    }

.reference-card {
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    opacity: 1;
    transform: scale(1);
}

    .reference-card.hidden {
        display: none;
    }

    .reference-card:hover {
        transform: translateY(-8px) scale(1.02);
        box-shadow: var(--shadow-lg);
    }

.reference-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.reference-image-placeholder {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 3rem;
}

.reference-content {
    padding: 24px;
}

.reference-company {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.reference-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-color);
    line-height: 1.3;
}

.reference-description {
    color: var(--text-muted);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.reference-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.reference-tag {
    padding: 4px 12px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
    border-radius: 12px;
    font-size: 0.85rem;
    font-weight: 500;
}

.reference-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.reference-type {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.reference-link {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
}

    .reference-link:hover {
        gap: 10px;
    }

.empty-state {
    text-align: center;
    padding: 100px 20px;
    color: var(--text-muted);
}

    .empty-state i {
        font-size: 5rem;
        opacity: 0.3;
        margin-bottom: 24px;
        display: block;
    }

    .empty-state h3 {
        font-size: 1.5rem;
        color: var(--text-color);
        margin-bottom: 12px;
    }

    .empty-state p {
        font-size: 1.1rem;
        margin: 0;
    }

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }

    .page-subtitle {
        font-size: 1rem;
    }

    .references-filter {
        padding: 16px;
    }

    .filter-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
    }

    .references-grid {
        grid-template-columns: 1fr;
    }
}