/**
 * Copier Catalog � main stylesheet
 * Bootstrap 5 + custom PDF catalog design
 */

:root {
    --cc-primary: #0573f0;
    --cc-primary-dark: #0769da;
    --cc-nav-bg: #085391;
    --cc-dark: #27323f;
    --cc-text: #48515b;
    --cc-text-muted: #9ca7ab;
    --cc-bg: #f7fbfc;
    --cc-white: #ffffff;
    --cc-border: #e8ecef;
    --cc-shadow: 0 2px 12px rgba(39, 50, 63, 0.08);
    --cc-shadow-hover: 0 8px 24px rgba(39, 50, 63, 0.14);
    --cc-radius: 12px;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Base */
body {
    font-family: var(--font-body);
    color: var(--cc-text);
    background: var(--cc-bg);
    line-height: 1.65;
}

h1, h2, h3, h4, h5, h6,
.page-title, .section-title, .hero-title {
    font-family: var(--font-heading);
    color: var(--cc-dark);
    font-weight: 600;
}

a {
    color: var(--cc-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--cc-primary-dark);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    z-index: 9999;
    background: var(--cc-primary);
    color: var(--cc-white);
    padding: 8px 16px;
    border-radius: 4px;
}

.skip-link:focus {
    top: 16px;
    color: var(--cc-white);
}

/* Header */
.site-header {
    box-shadow: var(--cc-shadow);
    background: var(--cc-white) !important;
}

.site-header .navbar {
    padding: 0.75rem 0;
}

.site-logo img {
    height: 40px;
    width: auto;
}

.site-header .nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--cc-dark);
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
}

.site-header .nav-link:hover,
.site-header .nav-link.active {
    color: var(--cc-primary);
    background: rgba(5, 115, 240, 0.06);
}

.header-search-form {
    min-width: 220px;
    max-width: 280px;
}

.header-search-form .form-control {
    border-color: var(--cc-border);
    font-size: 0.9rem;
}

.header-search-form .form-control:focus {
    border-color: var(--cc-primary);
    box-shadow: 0 0 0 0.2rem rgba(5, 115, 240, 0.15);
}

.header-search-form .btn-primary {
    background: var(--cc-primary);
    border-color: var(--cc-primary);
}

.header-search-form .btn-primary:hover {
    background: var(--cc-primary-dark);
    border-color: var(--cc-primary-dark);
}

/* Hero */
.hero-section {
    background: linear-gradient(135deg, var(--cc-nav-bg) 0%, var(--cc-primary) 100%);
    color: var(--cc-white);
    padding: 4rem 0;
}

.hero-title {
    color: var(--cc-white);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.92;
    max-width: 600px;
    margin-bottom: 2rem;
}

.hero-search .form-control {
    border: none;
    padding: 0.85rem 1.25rem;
}

.hero-search .btn-light {
    font-weight: 600;
    padding: 0 1.5rem;
}

/* Page sections */
.page-section {
    padding: 3rem 0;
}

.page-section:nth-child(even) {
    background: var(--cc-white);
}

.page-hero {
    background: var(--cc-white);
    padding: 2rem 0;
    border-bottom: 1px solid var(--cc-border);
}

.page-hero--compact {
    padding: 1.5rem 0 2rem;
}

.page-title {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    margin-bottom: 0.5rem;
}

.page-description {
    color: var(--cc-text-muted);
    max-width: 700px;
    margin-bottom: 0;
}

.breadcrumb {
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

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

/* Section headers */
.section-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.section-title {
    font-size: 1.5rem;
    margin: 0;
}

.section-badge {
    background: rgba(5, 115, 240, 0.1);
    color: var(--cc-primary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
}

.section-footer {
    margin-top: 2.5rem;
}

.btn-view-more {
    padding: 0.6rem 1.75rem;
    font-weight: 600;
    border-radius: 8px;
}

.btn-primary {
    background: var(--cc-primary);
    border-color: var(--cc-primary);
}

.btn-primary:hover {
    background: var(--cc-primary-dark);
    border-color: var(--cc-primary-dark);
}

.btn-outline-primary {
    color: var(--cc-primary);
    border-color: var(--cc-primary);
}

.btn-outline-primary:hover {
    background: var(--cc-primary);
    border-color: var(--cc-primary);
}

/* PDF Cards */
.pdf-grid > [class*="col-"] {
    display: flex;
}

.pdf-card {
    background: var(--cc-white);
    border-radius: var(--cc-radius);
    box-shadow: var(--cc-shadow);
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    border: 1px solid var(--cc-border);
    display: flex;
    flex-direction: column;
    width: 100%;
}

.pdf-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--cc-shadow-hover);
}

.pdf-card__thumb-link {
    display: block;
    flex-shrink: 0;
    text-decoration: none;
    color: inherit;
    position: relative;
    aspect-ratio: 3 / 4;
    width: 100%;
    overflow: hidden;
    background: linear-gradient(160deg, #f0f4f8 0%, #e2e8f0 100%);
}

.pdf-card__thumb {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.pdf-card__thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
}

.pdf-card__thumb-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    gap: 0.5rem;
    color: var(--cc-primary);
}

.pdf-card__thumb-placeholder i {
    font-size: 2.5rem;
    opacity: 0.7;
}

.pdf-card__thumb-placeholder span {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.6;
}

.pdf-card__body {
    padding: 1rem;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
}

.pdf-card__title {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.7em;
}

.pdf-card__meta {
    font-size: 0.75rem;
    color: var(--cc-text-muted);
    margin-bottom: 0.75rem;
    flex-shrink: 0;
}

.pdf-card__meta i {
    margin-right: 0.25rem;
}

.pdf-card__actions {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-top: auto;
}

.pdf-card__actions .btn {
    font-size: 0.75rem;
    padding: 0.35rem 0.5rem;
    border-radius: 6px;
    font-weight: 600;
}

.pdf-card__actions .btn i {
    margin-right: 0.25rem;
}

/* Category cards */
.category-card {
    display: flex;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--cc-white);
    border-radius: var(--cc-radius);
    box-shadow: var(--cc-shadow);
    border: 1px solid var(--cc-border);
    color: inherit;
    transition: transform 0.25s, box-shadow 0.25s;
    height: 100%;
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--cc-shadow-hover);
    color: inherit;
}

.category-card__icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: rgba(5, 115, 240, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--cc-primary);
    font-size: 1.5rem;
}

.category-card__title {
    font-size: 1.125rem;
    margin-bottom: 0.35rem;
}

.category-card__desc {
    font-size: 0.875rem;
    color: var(--cc-text-muted);
    margin-bottom: 0.5rem;
}

.category-card__count {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cc-primary);
}

/* Category chip (search) */
.category-chip {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: var(--cc-white);
    border-radius: var(--cc-radius);
    border: 1px solid var(--cc-border);
    color: var(--cc-dark);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.category-chip:hover {
    border-color: var(--cc-primary);
    box-shadow: var(--cc-shadow);
    color: var(--cc-dark);
}

.category-chip i {
    color: var(--cc-primary);
    font-size: 1.25rem;
}

.category-chip small {
    margin-left: auto;
    color: var(--cc-text-muted);
}

/* Toolbar */
.category-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.category-search {
    flex: 1;
    max-width: 400px;
}

/* Search */
.search-section-title {
    font-size: 1.25rem;
    margin-bottom: 1.25rem;
}

.search-page-form .form-control:focus {
    border-color: var(--cc-primary);
    box-shadow: 0 0 0 0.2rem rgba(5, 115, 240, 0.15);
}

/* Empty state */
.catalog-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--cc-text-muted);
}

.catalog-empty i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.catalog-empty--sm {
    padding: 2rem;
}

.catalog-empty--sm i {
    font-size: 2rem;
}

/* Content card */
.content-card {
    background: var(--cc-white);
    border-radius: var(--cc-radius);
    padding: 2rem;
    box-shadow: var(--cc-shadow);
    border: 1px solid var(--cc-border);
}

.content-card h2 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.content-card h2:first-child {
    margin-top: 0;
}

/* Pagination */
.catalog-pagination {
    margin-top: 2.5rem;
}

.catalog-pagination .page-link {
    color: var(--cc-primary);
    border-color: var(--cc-border);
    padding: 0.5rem 0.85rem;
}

.catalog-pagination .page-item.active .page-link {
    background: var(--cc-primary);
    border-color: var(--cc-primary);
}

.catalog-pagination .page-link:hover {
    background: rgba(5, 115, 240, 0.08);
    color: var(--cc-primary-dark);
}

/* Footer */
.site-footer {
    background: var(--cc-dark);
    color: var(--cc-text-muted);
    margin-top: auto;
}

.footer-main {
    padding: 3.5rem 0 2.5rem;
}

.footer-heading {
    color: var(--cc-white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.footer-brand__icon {
    margin-bottom: 1rem;
    border-radius: 8px;
}

.footer-brand__desc {
    font-size: 0.9rem;
    line-height: 1.6;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--cc-text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--cc-white);
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.footer-contact i {
    color: var(--cc-primary);
    margin-top: 0.2rem;
    width: 16px;
    text-align: center;
}

.footer-contact a {
    color: var(--cc-text-muted);
}

.footer-contact a:hover {
    color: var(--cc-white);
}

.footer-contact--page li {
    color: var(--cc-text);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.25rem 0;
}

.footer-copyright {
    font-size: 0.8125rem;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--cc-text-muted);
    transition: background 0.2s, color 0.2s;
}

.footer-social a:hover {
    background: var(--cc-primary);
    color: var(--cc-white);
}

/* Back to top */
.scroll-to-top {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    background: var(--cc-primary);
    color: var(--cc-white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s, background 0.2s, transform 0.2s;
    z-index: 999;
    box-shadow: 0 4px 12px rgba(5, 115, 240, 0.35);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--cc-primary-dark);
    transform: translateY(-2px);
}

/* Layout */
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#content {
    flex: 1;
}