/* ==========================================================
   Component styles: inner-page hero, filters, pagination,
   modal, accordion, forms, membership cards, error pages.
   ========================================================== */

/* -------------------- Page hero (inner pages) -------------------- */
.page-hero {
    position: relative; padding: 70px 0 60px; color: #fff;
    background: var(--gradient-accent); overflow: hidden;
}
.page-hero::before {
    content: ''; position: absolute; inset: 0;
    background: radial-gradient(circle at 85% 20%, rgba(255,255,255,0.18), transparent 45%);
}
.page-hero-content { position: relative; max-width: 720px; }
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 4vw, 2.6rem); margin-bottom: 12px; }
.page-hero p { color: rgba(255,255,255,0.88); font-size: 1.02rem; }
.page-search-wrap { margin-top: 30px; max-width: 620px; }

/* -------------------- Filters bar -------------------- */
.filters-bar {
    display: flex; flex-wrap: wrap; gap: 14px; align-items: center; justify-content: space-between;
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    padding: 20px 24px; margin: -40px 0 40px; position: relative; z-index: 5; box-shadow: var(--shadow-md);
}
.filters-group { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; flex: 1; }
.filter-select {
    padding: 10px 16px; border-radius: var(--radius-full); border: 1px solid var(--color-border);
    background: var(--color-bg-alt); font-size: 0.85rem; color: var(--color-text); min-width: 150px;
}
.results-count { font-size: 0.88rem; color: var(--color-text-muted); white-space: nowrap; }
.results-count strong { color: var(--color-ink); }

/* -------------------- Pagination -------------------- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 50px; flex-wrap: wrap; }
.pagination a, .pagination span {
    min-width: 42px; height: 42px; display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm); border: 1px solid var(--color-border); font-size: 0.9rem; font-weight: 600;
    color: var(--color-text); transition: all var(--transition-fast);
}
.pagination a:hover { background: var(--color-bg-alt); }
.pagination .active { background: var(--gradient-accent); color: #fff; border-color: transparent; }
.pagination .disabled { opacity: 0.4; pointer-events: none; }

/* -------------------- No results -------------------- */
.no-results { text-align: center; padding: 70px 20px; color: var(--color-text-muted); }
.no-results i { font-size: 3rem; color: var(--color-border); margin-bottom: 20px; }
.no-results h3 { color: var(--color-ink); margin-bottom: 10px; }

/* -------------------- Book Detail Modal -------------------- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(16,36,31,0.6); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center; z-index: 2000; opacity: 0; visibility: hidden;
    transition: all var(--transition-medium); padding: 20px;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal-box {
    background: var(--color-surface); border-radius: var(--radius-lg); max-width: 640px; width: 100%;
    max-height: 88vh; overflow-y: auto; padding: 36px; position: relative;
    transform: translateY(20px) scale(0.98); transition: transform var(--transition-medium);
}
.modal-overlay.open .modal-box { transform: translateY(0) scale(1); }
.modal-close { position: absolute; top: 20px; right: 20px; width: 36px; height: 36px; border-radius: 50%; background: var(--color-bg-alt); display: flex; align-items: center; justify-content: center; }
.modal-close:hover { background: var(--color-primary); color: #fff; }
.modal-box h2 { font-size: 1.35rem; margin: 0 0 6px; padding-right: 40px; }
.modal-author { color: var(--color-text-muted); margin-bottom: 20px; }
.modal-meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.modal-meta-grid div { font-size: 0.85rem; }
.modal-meta-grid span { display: block; color: var(--color-text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: 4px; }
.modal-desc { font-size: 0.95rem; color: var(--color-text); line-height: 1.7; }

/* -------------------- Accordion (Rules page) -------------------- */
.accordion { display: flex; flex-direction: column; gap: 14px; }
.accordion-item { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.accordion-header {
    display: flex; justify-content: space-between; align-items: center; width: 100%;
    padding: 20px 24px; font-family: var(--font-display); font-weight: 600; font-size: 1rem; text-align: left;
    color: var(--color-ink);
}
.accordion-header i { transition: transform var(--transition-fast); color: var(--color-primary); }
.accordion-item.open .accordion-header i { transform: rotate(180deg); }
.accordion-panel { max-height: 0; overflow: hidden; transition: max-height var(--transition-medium); }
.accordion-panel-inner { padding: 0 24px 22px; color: var(--color-text-muted); font-size: 0.92rem; line-height: 1.75; }
.accordion-panel-inner ul { list-style: disc; padding-left: 20px; display: flex; flex-direction: column; gap: 6px; }

/* -------------------- Service / Facility cards -------------------- */
.services-grid, .facilities-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card, .facility-card {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    padding: 30px; transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}
.service-card:hover, .facility-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-icon, .facility-icon {
    width: 56px; height: 56px; border-radius: var(--radius-md); background: var(--gradient-accent); color: #fff;
    display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 18px;
}
.service-card h3, .facility-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.service-card p, .facility-card p { font-size: 0.9rem; color: var(--color-text-muted); }
.facility-card { text-align: center; }
.facility-card .facility-icon { margin-left: auto; margin-right: auto; }

/* -------------------- Membership -------------------- */
.membership-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.membership-card {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg);
    padding: 34px 28px; position: relative; transition: transform var(--transition-medium), box-shadow var(--transition-medium);
}
.membership-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.membership-card.featured { border-color: var(--color-accent); box-shadow: var(--shadow-glow); }
.membership-card .badge-ribbon {
    position: absolute; top: -12px; right: 24px; background: var(--gradient-warm); color: #fff;
    font-size: 0.7rem; font-weight: 700; padding: 6px 14px; border-radius: var(--radius-full); text-transform: uppercase;
}
.membership-card h3 { font-size: 1.15rem; margin-bottom: 14px; }
.membership-card ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 6px; }
.membership-card ul li { font-size: 0.88rem; display: flex; gap: 10px; align-items: flex-start; color: var(--color-text); }
.membership-card ul li i { color: var(--color-primary); margin-top: 3px; }

/* -------------------- Table (Membership limits, responsive) -------------------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
table.data-table { width: 100%; border-collapse: collapse; min-width: 560px; background: var(--color-surface); }
table.data-table th, table.data-table td { padding: 16px 20px; text-align: left; font-size: 0.9rem; border-bottom: 1px solid var(--color-border); }
table.data-table th { background: var(--color-bg-alt); font-family: var(--font-display); font-weight: 600; color: var(--color-ink); }
table.data-table tr:last-child td { border-bottom: none; }

/* -------------------- Contact page -------------------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }
.contact-info-list { display: flex; flex-direction: column; gap: 20px; margin-top: 26px; }
.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-info-item .icon-circle {
    width: 46px; height: 46px; flex-shrink: 0; border-radius: 50%; background: var(--color-bg-alt);
    color: var(--color-primary); display: flex; align-items: center; justify-content: center;
}
.contact-info-item h4 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info-item p, .contact-info-item a { font-size: 0.88rem; color: var(--color-text-muted); }

.contact-form { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--color-ink); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 13px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    font-size: 0.92rem; background: var(--color-bg-alt); transition: border-color var(--transition-fast);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--color-primary); background: #fff; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-note { font-size: 0.8rem; color: var(--color-text-muted); margin-top: 14px; }

.map-embed { border-radius: var(--radius-lg); overflow: hidden; margin-top: 30px; border: 1px solid var(--color-border); }
.map-embed iframe { width: 100%; height: 320px; border: 0; display: block; }

/* -------------------- Error pages -------------------- */
.error-page { min-height: 80vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 60px 24px; }
.error-code { font-family: var(--font-display); font-size: clamp(4rem, 14vw, 8rem); font-weight: 800; background: var(--gradient-accent); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }
.error-page h2 { margin: 16px 0; font-size: 1.6rem; }
.error-page p { color: var(--color-text-muted); max-width: 480px; margin: 0 auto 30px; }
.error-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* -------------------- Departments chips grid (About page) -------------------- */
.dept-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.dept-chip {
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
    padding: 18px 20px; font-size: 0.88rem; display: flex; gap: 12px; align-items: flex-start;
}
.dept-chip i { color: var(--color-accent); margin-top: 3px; }
.dept-chip strong { display: block; color: var(--color-ink); margin-bottom: 2px; }
.dept-chip span { color: var(--color-text-muted); font-size: 0.82rem; }

/* -------------------- Sitemap page -------------------- */
.sitemap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.sitemap-col h3 { font-size: 1.02rem; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--color-border); }
.sitemap-col ul { display: flex; flex-direction: column; gap: 10px; }
.sitemap-col a { font-size: 0.92rem; color: var(--color-text); display: flex; align-items: center; gap: 8px; }
.sitemap-col a:hover { color: var(--color-primary); }
.sitemap-col i { color: var(--color-accent); width: 16px; }

/* -------------------- Special collections (Collections page) -------------------- */
.special-collection-banner {
    background: var(--color-primary-dark); color: #fff; border-radius: var(--radius-lg);
    padding: 50px 40px; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap;
    position: relative; overflow: hidden;
}
.special-collection-banner::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 90% 10%, rgba(201,138,59,0.25), transparent 50%); }
.special-collection-banner h3 { color: #fff; position: relative; }
.special-collection-banner p { color: rgba(255,255,255,0.8); position: relative; max-width: 520px; }
.special-collection-list { display: flex; flex-wrap: wrap; gap: 10px; position: relative; margin-top: 16px; }
.special-collection-list span { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); padding: 6px 14px; border-radius: var(--radius-full); font-size: 0.8rem; }