/* =============================================
   PERPUSTAKAAN - TOSCA THEME
   ============================================= */

:root {
  --tosca-900: #00403a;
  --tosca-800: #005a52;
  --tosca-700: #007369;
  --tosca-600: #008c80;
  --tosca-500: #00a693;
  --tosca-400: #00bfa8;
  --tosca-300: #33ccbb;
  --tosca-200: #80e0d5;
  --tosca-100: #b3edea;
  --tosca-50:  #e0f7f5;

  --gold: #c9a227;
  --gold-light: #f0d98a;

  --text-dark: #1a2a29;
  --text-mid: #3d5c58;
  --text-light: #6b8f8a;
  --text-muted: #9bb8b4;

  --bg-page: #f4fbfa;
  --bg-card: #ffffff;
  --bg-section: #eef8f6;

  --border: #c8e8e4;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 2px 12px rgba(0,166,147,0.10);
  --shadow-md: 0 4px 24px rgba(0,166,147,0.16);
  --shadow-lg: 0 8px 48px rgba(0,166,147,0.18);

  --font-display: Georgia, 'Times New Roman', serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.22s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-dark);
  line-height: 1.6;
  font-size: 16px;
}

/* ---- HEADER ---- */
.site-header {
  background: var(--tosca-900);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 16px rgba(0,64,58,0.25);
}

.header-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center;
  padding: 0 24px; height: 68px; gap: 32px;
}

.site-logo {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none; flex-shrink: 0;
}

.logo-icon { font-size: 28px; line-height: 1; }

.logo-text { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-family: var(--font-display); font-size: 1.15rem; font-weight: 600; color: #fff; }
.logo-sub { font-size: 0.7rem; color: var(--tosca-200); letter-spacing: 0.08em; text-transform: uppercase; }

.main-nav { flex: 1; display: flex; justify-content: flex-end; }
.nav-list { list-style: none; display: flex; gap: 4px; align-items: center; }

.nav-item { position: relative; }
.nav-link {
  display: block; padding: 8px 14px; color: var(--tosca-100);
  text-decoration: none; font-size: 0.9rem; font-weight: 500;
  border-radius: 6px; transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}
.nav-link:hover, .nav-item:hover > .nav-link { background: rgba(255,255,255,0.12); color: #fff; }

.nav-dropdown {
  position: absolute; top: 100%; left: 0;
  background: #fff; border-radius: var(--radius);
  box-shadow: var(--shadow-lg); min-width: 200px;
  opacity: 0; pointer-events: none; transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  list-style: none; overflow: hidden; z-index: 200;
  border: 1px solid var(--border);
  /* padding-top bridges the invisible gap so cursor doesn't escape */
  padding-top: 8px; margin-top: -1px;
}
/* Invisible hit area above dropdown so cursor can travel into it */
.nav-dropdown::before {
  content: ''; position: absolute; top: -8px; left: 0; right: 0; height: 8px;
}
.nav-item.nav-open > .nav-dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
.nav-dropdown li a {
  display: block; padding: 10px 18px; color: var(--text-dark);
  text-decoration: none; font-size: 0.88rem;
  transition: background var(--transition), color var(--transition);
  border-bottom: 1px solid #f0f0f0;
}
.nav-dropdown li:last-child a { border-bottom: none; }
.nav-dropdown li a:hover { background: var(--tosca-50); color: var(--tosca-700); }

.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px; margin-left: auto;
}
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: var(--transition); }

/* ---- BANNER ---- */
.banner-section {
  position: relative; overflow: hidden; background: var(--tosca-900);
  height: 420px;
}
.banner-slider { position: relative; width: 100%; height: 100%; }
.banner-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0; transition: opacity 0.7s ease;
}
.banner-slide.active { opacity: 1; }
.banner-default {
  background: linear-gradient(135deg, var(--tosca-900) 0%, var(--tosca-700) 60%, var(--tosca-500) 100%);
  display: flex; align-items: center; justify-content: center;
  height: 100%;
}
.banner-default-inner { text-align: center; padding: 40px; }
.banner-title {
  font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 3rem);
  color: #fff; margin-bottom: 16px; font-weight: 600;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.banner-subtitle { font-size: 1.05rem; color: var(--tosca-100); max-width: 500px; margin: 0 auto; }

.banner-btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  background: rgba(0,0,0,0.35); border: none; color: #fff;
  width: 44px; height: 44px; border-radius: 50%; font-size: 1.5rem;
  cursor: pointer; z-index: 10; transition: background var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.banner-btn:hover { background: rgba(0,0,0,0.6); }
.banner-prev { left: 16px; }
.banner-next { right: 16px; }

.banner-dots {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 10;
}
.banner-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.5); border: none; cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.banner-dot.active { background: #fff; transform: scale(1.3); }

/* ---- SEARCH SECTION ---- */
.search-section {
  background: var(--bg-page);
  padding: 56px 24px 48px;
}
.search-container {
  max-width: 780px; margin: 0 auto; text-align: center;
}
.search-heading {
  font-family: var(--font-display); font-size: 1.75rem;
  color: var(--tosca-800); margin-bottom: 8px;
}
.search-sub { color: var(--text-light); margin-bottom: 28px; font-size: 0.95rem; }

.search-box {
  display: flex; gap: 0; border-radius: 50px;
  overflow: hidden; box-shadow: var(--shadow-md);
  border: 2px solid var(--tosca-400);
  background: #fff;
}
.search-input {
  flex: 1; padding: 16px 24px; border: none; outline: none;
  font-size: 1rem; font-family: var(--font-body); background: transparent;
  color: var(--text-dark);
}
.search-btn {
  padding: 14px 28px; background: var(--tosca-600); color: #fff;
  border: none; cursor: pointer; font-family: var(--font-body);
  font-size: 0.95rem; font-weight: 600; display: flex; align-items: center; gap: 8px;
  transition: background var(--transition); white-space: nowrap;
}
.search-btn:hover { background: var(--tosca-700); }

.specific-search-btn {
  margin-top: 16px; padding: 10px 24px;
  background: transparent; border: 2px solid var(--tosca-400);
  color: var(--tosca-700); border-radius: 50px; cursor: pointer;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 600;
  transition: all var(--transition);
}
.specific-search-btn:hover { background: var(--tosca-50); border-color: var(--tosca-600); }

.specific-search-panel {
  margin-top: 24px; background: #fff; border-radius: var(--radius-lg);
  padding: 28px; text-align: left; border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.specific-search-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px; margin-bottom: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-mid); text-transform: uppercase; letter-spacing: 0.04em; }
.form-group input, .form-group select, .form-group textarea {
  padding: 10px 14px; border: 1.5px solid var(--border);
  border-radius: var(--radius); font-family: var(--font-body); font-size: 0.9rem;
  color: var(--text-dark); transition: border-color var(--transition);
  background: var(--bg-page);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--tosca-400);
  background: #fff; box-shadow: 0 0 0 3px rgba(0,191,168,0.12);
}
.specific-search-go { border-radius: var(--radius); }

/* ---- RESULTS SECTION ---- */
.results-section {
  background: var(--bg-section); padding: 40px 24px;
  border-top: 2px solid var(--border);
}
.results-container { max-width: 1280px; margin: 0 auto; }
.results-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 24px;
}
.results-header h3 { font-family: var(--font-display); font-size: 1.3rem; color: var(--tosca-800); }
.close-results {
  background: none; border: 1.5px solid var(--border); padding: 6px 16px;
  border-radius: 50px; cursor: pointer; font-size: 0.85rem; color: var(--text-light);
  transition: all var(--transition);
}
.close-results:hover { border-color: var(--tosca-400); color: var(--tosca-700); }

.results-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 20px;
}

/* ---- COLLECTION CARD ---- */
.col-card {
  background: var(--bg-card); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: pointer; border: 1px solid var(--border);
}
.col-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.col-card-cover {
  height: 180px; background: linear-gradient(135deg, var(--tosca-50), var(--tosca-100));
  overflow: hidden; display: flex; align-items: center; justify-content: center;
}
.col-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.col-card-cover-placeholder {
  font-size: 3rem; opacity: 0.4;
}
.col-card-body { padding: 16px; }
.col-card-type {
  display: inline-block; padding: 3px 10px; border-radius: 50px;
  font-size: 0.72rem; font-weight: 700; margin-bottom: 8px;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.type-cetak { background: var(--tosca-50); color: var(--tosca-700); }
.type-digital { background: #e8f4ff; color: #1a6ac9; }
.col-card-title {
  font-weight: 700; font-size: 0.92rem; color: var(--text-dark);
  margin-bottom: 4px; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.col-card-author { font-size: 0.82rem; color: var(--text-light); margin-bottom: 6px; }
.col-card-year { font-size: 0.78rem; color: var(--text-muted); }

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  padding: 24px; backdrop-filter: blur(2px);
}
.modal-box {
  background: #fff; border-radius: var(--radius-lg);
  max-width: 720px; width: 100%; max-height: 88vh; overflow-y: auto;
  position: relative; box-shadow: var(--shadow-lg);
  animation: modalIn 0.25s ease;
}
.modal-page { max-width: 860px; }
@keyframes modalIn { from { opacity:0; transform: scale(0.96) translateY(12px); } to { opacity:1; transform: none; } }
.modal-close {
  position: sticky; top: 0; float: right; margin: 16px 16px 0 0;
  background: var(--tosca-50); border: none; width: 34px; height: 34px;
  border-radius: 50%; cursor: pointer; font-size: 1rem; color: var(--tosca-700);
  z-index: 10; transition: background var(--transition); line-height: 1;
}
.modal-close:hover { background: var(--tosca-100); }
.modal-content { padding: 20px 28px 28px; }

/* Collection Detail in Modal */
.detail-cover { text-align: center; margin-bottom: 24px; }
.detail-cover img { max-height: 250px; border-radius: var(--radius); box-shadow: var(--shadow); }
.detail-title {
  font-family: var(--font-display); font-size: 1.5rem;
  color: var(--tosca-900); margin-bottom: 6px;
}
.detail-author { font-size: 1rem; color: var(--text-mid); margin-bottom: 20px; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 20px; }
.detail-item label { display: block; font-size: 0.75rem; font-weight: 700; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; }
.detail-item span { font-size: 0.92rem; color: var(--text-dark); }
.detail-desc { margin-top: 16px; }
.detail-desc h4 { font-size: 0.85rem; font-weight: 700; color: var(--text-light); text-transform: uppercase; margin-bottom: 8px; letter-spacing: 0.05em; }
.detail-desc p { font-size: 0.92rem; color: var(--text-dark); line-height: 1.7; }
.detail-link {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 20px;
  padding: 12px 24px; background: var(--tosca-600); color: #fff;
  border-radius: 50px; text-decoration: none; font-weight: 600; font-size: 0.9rem;
  transition: background var(--transition);
}
.detail-link:hover { background: var(--tosca-700); }
.detail-items { margin-top: 20px; }
.detail-items h4 { font-size: 0.85rem; font-weight: 700; color: var(--text-light); text-transform: uppercase; margin-bottom: 10px; letter-spacing: 0.05em; }
.items-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.items-table th { background: var(--tosca-50); padding: 8px 12px; text-align: left; color: var(--tosca-700); font-weight: 600; }
.items-table td { padding: 8px 12px; border-bottom: 1px solid var(--border); }
.status-tersedia { color: #16a34a; font-weight: 600; }
.status-dipinjam { color: #d97706; font-weight: 600; }
.status-rusak, .status-hilang { color: #dc2626; font-weight: 600; }

/* ---- STATIC PAGE ---- */
.page-main { min-height: 60vh; padding: 60px 24px; }
.page-container { max-width: 860px; margin: 0 auto; }
.static-page {}
.page-title { font-family: var(--font-display); font-size: 2rem; color: var(--tosca-900); margin-bottom: 24px; padding-bottom: 16px; border-bottom: 2px solid var(--border); }
.page-body { line-height: 1.8; color: var(--text-dark); }
.page-body h2, .page-body h3 { color: var(--tosca-800); margin: 24px 0 12px; font-family: var(--font-display); }
.page-body p { margin-bottom: 14px; }
.page-body img { max-width: 100%; border-radius: var(--radius); margin: 16px 0; }
.page-body iframe { max-width: 100%; border-radius: var(--radius); margin: 16px 0; }
.page-body a { color: var(--tosca-600); }
.page-body a:hover { color: var(--tosca-800); }
.page-loading, .page-not-found { text-align: center; padding: 60px 20px; color: var(--text-light); }
.btn-back {
  display: inline-block; margin-top: 16px; padding: 10px 24px;
  background: var(--tosca-600); color: #fff; border-radius: 50px;
  text-decoration: none; font-weight: 600;
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--tosca-900); color: var(--tosca-200);
  padding: 24px; text-align: center; font-size: 0.88rem;
}
.footer-inner { max-width: 1280px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-admin-link { color: var(--tosca-300); text-decoration: none; }
.footer-admin-link:hover { color: #fff; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .main-nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--tosca-900); z-index: 999; padding: 16px;
  }
  .main-nav.open { display: block; }
  .nav-list { flex-direction: column; gap: 4px; }
  .nav-dropdown { position: static; opacity: 1; pointer-events: all; transform: none; box-shadow: none; border: none; border-radius: 0; background: var(--tosca-800); }
  .nav-dropdown li a { color: var(--tosca-100); padding-left: 28px; }
  .banner-section { height: 280px; }
  .detail-grid { grid-template-columns: 1fr; }
  .specific-search-grid { grid-template-columns: 1fr; }
  .footer-inner { justify-content: center; }
}

/* ---- ADMIN BASE STYLES (shared) ---- */
.no-results { text-align: center; padding: 48px; color: var(--text-light); grid-column: 1/-1; }