/*
 * BJJ Video Analyzer - Browse Pages Styling
 * Common styling for listing/browse pages (Technique Library, Positions, Phases, etc.)
 * Uses semantic color system from colors.css
 */

/* ============================================
   Themed Breadcrumbs
   ============================================ */
.modern-breadcrumb {
    padding: 1rem 0;
}

.modern-breadcrumb .breadcrumb {
    margin-bottom: 0;
    background: none;
    padding: 0;
}

.modern-breadcrumb .breadcrumb-item a {
    text-decoration: none;
    font-weight: 500;
}

.modern-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    font-weight: 600;
}

/* Positions theme (green) */
.modern-breadcrumb.positions-theme {
    background: rgba(25, 135, 84, 0.05);
    border-bottom: 1px solid rgba(25, 135, 84, 0.1);
}

.modern-breadcrumb.positions-theme .breadcrumb-item a {
    color: var(--color-positions);
}

.modern-breadcrumb.positions-theme .breadcrumb-item a:hover {
    color: var(--color-positions-hover);
    text-decoration: underline;
}

.modern-breadcrumb.positions-theme .breadcrumb-item + .breadcrumb-item::before {
    color: var(--color-positions);
}

/* Phases theme (orange) */
.modern-breadcrumb.phases-theme {
    background: rgba(253, 126, 20, 0.05);
    border-bottom: 1px solid rgba(253, 126, 20, 0.1);
}

.modern-breadcrumb.phases-theme .breadcrumb-item a {
    color: var(--color-phases);
}

.modern-breadcrumb.phases-theme .breadcrumb-item a:hover {
    color: var(--color-phases-hover);
    text-decoration: underline;
}

.modern-breadcrumb.phases-theme .breadcrumb-item + .breadcrumb-item::before {
    color: var(--color-phases);
}

/* Techniques theme (purple) */
.modern-breadcrumb.techniques-theme {
    background: rgba(123, 31, 162, 0.05);
    border-bottom: 1px solid rgba(123, 31, 162, 0.1);
}

.modern-breadcrumb.techniques-theme .breadcrumb-item a {
    color: var(--color-techniques);
}

.modern-breadcrumb.techniques-theme .breadcrumb-item a:hover {
    color: var(--color-techniques-hover);
    text-decoration: underline;
}

.modern-breadcrumb.techniques-theme .breadcrumb-item + .breadcrumb-item::before {
    color: var(--color-techniques);
}

/* Videos theme (blue) */
.modern-breadcrumb.videos-theme {
    background: rgba(13, 110, 253, 0.05);
    border-bottom: 1px solid rgba(13, 110, 253, 0.1);
}

.modern-breadcrumb.videos-theme .breadcrumb-item a {
    color: var(--color-videos);
}

.modern-breadcrumb.videos-theme .breadcrumb-item a:hover {
    color: var(--color-videos-hover);
    text-decoration: underline;
}

.modern-breadcrumb.videos-theme .breadcrumb-item + .breadcrumb-item::before {
    color: var(--color-videos);
}

/* ============================================
   Hero Sections (Light Gradient Variants)
   ============================================ */
.browse-hero {
    text-align: center;
    padding: 4rem 0;
    margin-bottom: 3rem;
}

.browse-hero.hero-default {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.browse-hero.hero-positions {
    background: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
}

.browse-hero.hero-phases {
    background: linear-gradient(135deg, #fff3e0 0%, #ffcc80 100%);
}

.browse-hero.hero-dark {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

.browse-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.browse-hero.hero-default .hero-title,
.browse-hero.hero-phases .hero-title { color: #212529; }
.browse-hero.hero-positions .hero-title { color: #1b5e20; }
.browse-hero.hero-dark .hero-title { color: white; }

.browse-hero .hero-subtitle {
    font-size: 1.25rem;
    color: #6c757d;
    max-width: 800px;
    margin: 0 auto 1rem;
    line-height: 1.6;
}

.browse-hero.hero-dark .hero-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.browse-hero .hero-count {
    font-size: 1rem;
    color: #6c757d;
    font-weight: 500;
}

/* ============================================
   Filter Section
   ============================================ */
.filter-section {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
}

/* ============================================
   Navigation Cards (Homepage-style)
   ============================================ */
.nav-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    transition: all 0.3s ease;
}

.nav-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Semantic color variants for nav cards */
.nav-card.phases-card::before { background: linear-gradient(90deg, #fd7e14, #ff922b); }
.nav-card.positions-card::before { background: linear-gradient(90deg, #198754, #20c997); }
.nav-card.mechanics-card::before { background: linear-gradient(90deg, #6c757d, #868e96); }
.nav-card.techniques-card::before { background: linear-gradient(90deg, #6f42c1, #7c3aed); }
.nav-card.videos-card::before { background: linear-gradient(90deg, #0d6efd, #3b82f6); }

.nav-card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.phases-card .nav-card-icon { color: #fd7e14; }
.positions-card .nav-card-icon { color: #198754; }
.mechanics-card .nav-card-icon { color: #6c757d; }
.techniques-card .nav-card-icon { color: #6f42c1; }
.videos-card .nav-card-icon { color: #0d6efd; }

.nav-card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #212529;
}

.nav-card-count {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.phases-card .nav-card-count { color: #fd7e14; }
.positions-card .nav-card-count { color: #198754; }
.mechanics-card .nav-card-count { color: #6c757d; }
.techniques-card .nav-card-count { color: #6f42c1; }
.videos-card .nav-card-count { color: #0d6efd; }

.nav-card-description {
    color: #6c757d;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.nav-card-button {
    border-radius: 0.5rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    color: white;
    border: 2px solid;
}

.phases-card .nav-card-button {
    background-color: #fd7e14;
    border-color: #fd7e14;
}
.phases-card .nav-card-button:hover {
    background-color: #e8690b;
    border-color: #e8690b;
    color: white;
}

.positions-card .nav-card-button {
    background-color: #198754;
    border-color: #198754;
}
.positions-card .nav-card-button:hover {
    background-color: #146c43;
    border-color: #146c43;
    color: white;
}

.mechanics-card .nav-card-button {
    background-color: #6c757d;
    border-color: #6c757d;
}
.mechanics-card .nav-card-button:hover {
    background-color: #5c636a;
    border-color: #5c636a;
    color: white;
}

/* ============================================
   Content Cards (Items in grids)
   ============================================ */
.browse-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    height: 100%;
}

.browse-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    transition: all 0.3s ease;
}

.browse-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Semantic color variants for browse cards */
.browse-card.position-card::before { background: linear-gradient(90deg, #198754, #20c997); }
.browse-card.phase-card::before { background: linear-gradient(90deg, #fd7e14, #ff922b); }
.browse-card.mechanic-card::before { background: linear-gradient(90deg, #6c757d, #868e96); }
.browse-card.technique-card::before { background: linear-gradient(90deg, #6f42c1, #7c3aed); }

.browse-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.5rem;
}

.browse-card-description {
    color: #6c757d;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.browse-card-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

/* ============================================
   Section Headers (Phase groupings, etc.)
   ============================================ */
.section-header {
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.section-header.positions-section {
    background: var(--color-positions-light);
    border-left-color: var(--color-positions);
}

.section-header.phases-section {
    background: var(--color-phases-light);
    border-left-color: var(--color-phases);
}

.section-header .section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0;
}

.section-header.positions-section .section-title { color: var(--color-positions); }
.section-header.phases-section .section-title { color: var(--color-phases); }

.section-header .section-title a {
    text-decoration: none;
}
.section-header .section-title a:hover {
    text-decoration: underline;
}

.section-header.positions-section .section-title a { color: var(--color-positions); }
.section-header.phases-section .section-title a { color: var(--color-phases); }

.section-count {
    font-size: 0.875rem;
    color: #6c757d;
    font-weight: 500;
    margin-left: 0.5rem;
}

/* ============================================
   Semantic Button Variants
   ============================================ */
.btn-positions {
    background-color: var(--color-positions);
    border-color: var(--color-positions);
    color: white;
}
.btn-positions:hover {
    background-color: var(--color-positions-hover);
    border-color: var(--color-positions-hover);
    color: white;
}

.btn-positions-outline {
    border: 1px solid var(--color-positions);
    color: var(--color-positions);
    background: transparent;
}
.btn-positions-outline:hover {
    background-color: var(--color-positions);
    color: white;
}

.btn-phases {
    background-color: var(--color-phases);
    border-color: var(--color-phases);
    color: white;
}
.btn-phases:hover {
    background-color: var(--color-phases-hover);
    border-color: var(--color-phases-hover);
    color: white;
}

.btn-phases-outline {
    border: 1px solid var(--color-phases);
    color: var(--color-phases);
    background: transparent;
}
.btn-phases-outline:hover {
    background-color: var(--color-phases);
    color: white;
}

.btn-mechanics {
    background-color: var(--color-mechanics);
    border-color: var(--color-mechanics);
    color: white;
}
.btn-mechanics:hover {
    background-color: var(--color-mechanics-hover);
    border-color: var(--color-mechanics-hover);
    color: white;
}

/* ============================================
   Stats Badges
   ============================================ */
.stats-badge {
    border-radius: 12px;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.stats-badge.positions-badge {
    background: var(--color-positions-light);
    color: var(--color-positions);
}

.stats-badge.phases-badge {
    background: var(--color-phases-light);
    color: var(--color-phases);
}

/* ============================================
   Statistics Section
   ============================================ */
.stats-section {
    background: white;
    padding: 3rem 0;
    margin-top: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
}

.stat-number {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    color: #6c757d;
    font-weight: 500;
}

.stat-phases .stat-number { color: #fd7e14; }
.stat-positions .stat-number { color: #198754; }
.stat-mechanics .stat-number { color: #6c757d; }
.stat-techniques .stat-number { color: #6f42c1; }

/* ============================================
   Info Section
   ============================================ */
.info-section {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border: 1px solid #e9ecef;
}

.info-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid;
    display: inline-block;
}

.info-section.positions-info .info-title { border-bottom-color: #198754; }
.info-section.phases-info .info-title { border-bottom-color: #fd7e14; }

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.info-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.info-section.positions-info .info-list li::before { background: #198754; }
.info-section.phases-info .info-list li::before { background: #fd7e14; }

.info-list strong {
    color: inherit;
}

.info-section.positions-info .info-list strong { color: #198754; }
.info-section.phases-info .info-list strong { color: #fd7e14; }

/* ============================================
   Phase Cards (phases_overview.html)
   ============================================ */
.phase-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.phase-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-phases), #ff922b);
}

.phase-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.phase-header-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.phase-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.5rem;
}

.japanese-name {
    font-size: 1rem;
    color: var(--color-phases);
    font-style: italic;
    font-weight: 500;
}

.phase-description {
    color: #6c757d;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.phase-stats {
    display: flex;
    gap: 1rem;
}

.phase-stats .stat-item {
    background: rgba(253, 126, 20, 0.1);
    border-radius: 0.5rem;
    padding: 1rem;
    text-align: center;
    min-width: 80px;
}

.phase-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-phases);
    display: block;
}

.phase-stats .stat-label {
    font-size: 0.875rem;
    color: #6c757d;
    font-weight: 500;
}

.phase-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ============================================
   Position Card Extras
   ============================================ */
.position-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #212529;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
}

.has-variations-icon {
    color: var(--color-positions);
    margin-left: 0.5rem;
    font-size: 0.875rem;
}

.position-description {
    color: #6c757d;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.position-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

/* Phase section wrapper */
.phase-section {
    margin-bottom: 3rem;
}

/* Filter select theming */
.filter-section.positions-theme .form-select {
    border-color: var(--color-positions);
}

.filter-section.positions-theme .form-select:focus {
    border-color: var(--color-positions);
    box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.25);
}

.filter-section.phases-theme .form-select {
    border-color: var(--color-phases);
}

.filter-section.phases-theme .form-select:focus {
    border-color: var(--color-phases);
    box-shadow: 0 0 0 0.2rem rgba(253, 126, 20, 0.25);
}

/* ============================================
   Responsive Adjustments
   ============================================ */
@media (max-width: 768px) {
    .browse-hero .hero-title {
        font-size: 2.5rem;
    }

    .nav-card {
        padding: 1.5rem;
    }

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

    .stat-number {
        font-size: 3rem;
    }

    .phase-header-content {
        flex-direction: column;
        gap: 1rem;
    }

    .phase-stats {
        justify-content: center;
    }

    .phase-actions {
        justify-content: center;
    }

    .position-actions {
        justify-content: center;
    }
}