/* Roadmaps Listing Page Styles - Theme-Aware */

/* ============================================
   LOADING & ERROR STATES
   ============================================ */
.loading-container,
.error-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-20);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 2px solid var(--color-primary-subtle);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-text {
    margin-top: var(--spacing-6);
    color: var(--color-text-secondary);
    font-size: var(--font-size-md);
}

.error-container .error-icon {
    font-size: 64px;
    color: var(--color-error);
    margin-bottom: var(--spacing-6);
}

.error-container h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
    color: var(--color-text-primary);
}

.error-container p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-8);
    max-width: 400px;
    text-align: center;
}

/* ============================================
   ROADMAPS PAGE
   ============================================ */
.roadmaps-page {
    padding-top: 120px;
    padding-bottom: var(--spacing-32);
}

/* ============================================
   BREADCRUMB
   ============================================ */
.breadcrumb-container {
    padding: var(--spacing-6) 0;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-8);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.breadcrumb a {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

.breadcrumb-separator {
    color: var(--color-text-muted);
}

.breadcrumb-current {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-medium);
}

/* ============================================
   ROADMAPS HEADER
   ============================================ */
.roadmaps-header {
    padding: var(--spacing-8) 0 var(--spacing-12);
    text-align: center;
}

.roadmaps-header h1 {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-light);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.roadmaps-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   CATEGORY TABS
   ============================================ */
.category-tabs-section {
    padding-bottom: var(--spacing-8);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-4);
    flex-wrap: wrap;
}

.category-tab {
    padding: var(--spacing-3) var(--spacing-6);
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-full);
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.category-tab:hover {
    border-color: var(--glass-border-hover);
    color: var(--color-text-primary);
    background: var(--glass-bg-hover);
}

.category-tab.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.category-tab.active:hover {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-glow-strong);
}

/* ============================================
   ROADMAPS FULL GRID
   ============================================ */
.all-roadmaps-section {
    padding: var(--spacing-8) 0;
}

.roadmaps-full-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-5);
}

/* Roadmap Card - Larger version for listing page */
.roadmap-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    padding: var(--spacing-6);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-xl);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.roadmap-card:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}

.roadmap-card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.roadmap-card-icon {
    width: 56px;
    height: 56px;
    background: var(--color-bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    flex-shrink: 0;
    transition: all var(--transition-base);
    color: var(--color-primary);
}

.roadmap-card:hover .roadmap-card-icon {
    border-color: var(--color-primary-glow);
    background: var(--color-primary-subtle);
    box-shadow: 0 0 20px var(--color-primary-glow);
}

.roadmap-card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-1);
    letter-spacing: -0.01em;
}

.roadmap-card-subtitle {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.roadmap-card-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--glass-border);
}

.roadmap-stat {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.roadmap-stat-value {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.roadmap-stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* Category Badge */
.category-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-primary-subtle);
    border: 1px solid var(--color-primary-glow);
    border-radius: var(--border-radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.category-badge.role {
    background: var(--color-success-subtle);
    border-color: var(--color-success-border);
    color: var(--color-success);
}

/* ============================================
   NO ROADMAPS MESSAGE
   ============================================ */
.no-roadmaps {
    text-align: center;
    padding: var(--spacing-20);
    color: var(--color-text-muted);
}

.no-roadmaps .material-symbols-outlined {
    font-size: 64px;
    margin-bottom: var(--spacing-6);
    color: var(--color-text-muted);
}

.no-roadmaps h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-4);
    color: var(--color-text-primary);
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 1024px) {
    .roadmaps-full-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .roadmaps-page {
        padding-top: 100px;
    }

    .roadmaps-header h1 {
        font-size: var(--font-size-3xl);
    }

    .category-tabs {
        gap: var(--spacing-2);
    }

    .category-tab {
        padding: var(--spacing-2) var(--spacing-4);
        font-size: var(--font-size-xs);
    }

    .roadmaps-full-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }

    .roadmap-card {
        padding: var(--spacing-5);
    }

    .roadmap-card-icon {
        width: 48px;
        height: 48px;
        font-size: 24px;
    }
}

@media (max-width: 480px) {
    .roadmaps-full-grid {
        grid-template-columns: 1fr;
    }

    .roadmap-card-stats {
        grid-template-columns: 1fr;
    }
}