/* === NAVIGATION BREADCRUMB === */
.breadcrumb {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 8px 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    transform: translateY(0);
    transition: transform 0.3s ease-in-out;
}

.breadcrumb.hidden {
    transform: translateY(-100%);
}

.breadcrumb.visible {
    transform: translateY(0);
}

.breadcrumb-item {
    background: transparent;
    border: 2px solid transparent;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.breadcrumb-item:hover {
    background: var(--background-color);
    color: var(--text-primary);
}

.breadcrumb-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.breadcrumb-item:not(:last-child)::after {
    content: '›';
    position: absolute;
    right: -15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-weight: 600;
    pointer-events: none;
}

/* === ANIMATIONS DE TRANSITION === */
.page-transition-enter {
    opacity: 0;
    transform: translateX(30px);
}

.page-transition-enter-active {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.3s ease-out;
}

.page-transition-exit {
    opacity: 1;
    transform: translateX(0);
}

.page-transition-exit-active {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.3s ease-in;
}

/* === BODY PADDING FOR FIXED BREADCRUMB === */
body {
    padding-top: 50px;
}

/* === NAVIGATION RESPONSIVE === */
@media (max-width: 768px) {
    .breadcrumb {
        padding: 6px 15px;
        margin-bottom: 10px;
    }

    .breadcrumb-item {
        padding: 4px 10px;
        font-size: 0.8rem;
    }

    .breadcrumb-item:not(:last-child)::after {
        right: -10px;
        font-size: 0.75rem;
    }

    body {
        padding-top: 40px;
    }
}

/* === CONTENT SCANNING STYLES === */
.loading-content, .no-content, .error-content {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
    background: #f8f9fa;
    border-radius: 12px;
    border: 2px dashed #e5e7eb;
}

.error-content {
    color: var(--error-color);
    border-color: var(--error-color);
    background: #fef2f2;
}

.content-info {
    background: #f0f9ff;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin-top: 20px;
    border-left: 4px solid var(--primary-color);
}

.show-all-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    margin-top: 10px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.show-all-btn:hover {
    background: #2563EB;
    transform: translateY(-1px);
}

/* === ENHANCED LEVEL CARDS === */
.level-card {
    position: relative;
    overflow: visible;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
}

.card-header .icon {
    font-size: 2.5rem;
}

.compatibility {
    font-size: 1.2rem;
    padding: 2px;
    border-radius: 4px;
}

.compatibility.high-compat {
    background: rgba(16, 185, 129, 0.1);
}

.compatibility.medium-compat {
    background: rgba(245, 158, 11, 0.1);
}

.compatibility.low-compat {
    background: rgba(239, 68, 68, 0.1);
}

.content-stats {
    display: flex;
    gap: 8px;
    margin: 10px 0;
    flex-wrap: wrap;
}

.difficulty-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
}

.difficulty-easy {
    background: #10B981;
    color: white;
}

.difficulty-medium {
    background: #F59E0B;
    color: white;
}

.difficulty-hard {
    background: #EF4444;
    color: white;
}

.difficulty-intermediate {
    background: #6366F1;
    color: white;
}

.items-count, .time-estimate {
    background: #f3f4f6;
    color: var(--text-secondary);
    padding: 2px 6px;
    border-radius: 8px;
    font-size: 0.75rem;
}

.detailed-stats {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 8px;
    border-top: 1px solid #f3f4f6;
    padding-top: 8px;
}

@media (max-width: 768px) {
    .card-header {
        flex-direction: column;
        align-items: center;
        gap: 5px;
    }
    
    .content-stats {
        justify-content: center;
    }
    
    .detailed-stats {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .breadcrumb {
        padding: 5px 12px;
        gap: 6px;
    }

    .breadcrumb-item {
        padding: 4px 8px;
        font-size: 0.75rem;
    }

    .breadcrumb-item:not(:last-child)::after {
        right: -8px;
    }

    body {
        padding-top: 35px;
    }

    .content-stats {
        flex-direction: column;
        gap: 5px;
    }

    .loading-content, .no-content, .error-content {
        padding: 30px 15px;
    }
}