/* =============================================================
   public/css/style.css — Nalar Library
   Font: Libre Baskerville (serif) + Poppins (sans)
============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
  --ink:        #283e56;
  --ink-soft:   #4a6080;
  --parchment:  #fbe4c9;
  --cream:      #fff8f2;
  --gold:       #1989ac;
  --gold-light: #2aabcf;
  --rust:       #c0392b;
  --sage:       #1a7a5e;
  --slate:      #283e56;
  --border:     #d0e4ef;
  --putih:      #ffffff;
  --shadow:     rgba(40,62,86,0.12);
  --radius:     6px;
  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-sans:  'Poppins', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-weight: 300;
  background: var(--cream);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.6;
}

.wrapper { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }

/* =============================================================
   NAVIGATION
============================================================= */
.nav {
  background: var(--ink);
  border-bottom: 2px solid var(--gold);
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem;
}
.nav-logo {
  font-family: var(--font-sans);
  font-size: 1.4rem; font-weight: 700;
  color: var(--gold); text-decoration: none;
  letter-spacing: 0.02em;
}
.nav-logo span { color: var(--parchment); font-weight: 400; }
.nav-links { display: flex; gap: 0.25rem; align-items: center; }
.nav-links a {
  color: var(--putih); text-decoration: none;
  padding: 0.4rem 0.85rem; border-radius: var(--radius);
  font-size: 0.875rem; font-weight: 400;
  font-family: var(--font-sans);
  transition: background 0.15s, color 0.15s;
}
.nav-links a:hover  { background: rgba(255,255,255,0.1); color: var(--gold-light); }
.nav-links a.active { background: var(--gold); color: var(--putih); font-weight: 500; }
.nav-badge {
  background: var(--rust); color: #fff;
  font-size: 0.7rem; padding: 0.1rem 0.45rem;
  border-radius: 99px; margin-left: 0.25rem;
}

/* =============================================================
   PAGE HEADER
============================================================= */
.page-header {
  background: linear-gradient(135deg, var(--ink) 0%, var(--slate) 100%);
  color: var(--putih);
  padding: 2.5rem 0 2rem;
  border-bottom: 3px solid var(--gold);
}
.page-header h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem; font-weight: 700;
  line-height: 1.15; margin-bottom: 0.25rem;
}
.page-header p { opacity: 0.75; font-size: 0.95rem; font-family: var(--font-sans); }

/* =============================================================
   ALERTS
============================================================= */
.alert {
  padding: 0.8rem 1.1rem; border-radius: var(--radius);
  font-size: 0.9rem; margin-bottom: 1.25rem;
  border-left: 4px solid; font-family: var(--font-sans);
}
.alert-success { background: #e8f4ed; color: #2a5f3a; border-color: var(--sage); }
.alert-error   { background: #faeaea; color: #7a1f1f; border-color: var(--rust); }
.alert-info    { background: #e8edf4; color: #1f3a5f; border-color: var(--slate); }

/* =============================================================
   BUTTONS
============================================================= */
.btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.55rem 1.2rem; border-radius: var(--radius);
  font-family: var(--font-sans); font-size: 0.875rem; font-weight: 500;
  cursor: pointer; border: none; text-decoration: none;
  transition: all 0.15s; white-space: nowrap;
}
.btn-primary       { background: var(--ink); color: var(--putih); }
.btn-primary:hover { background: #1c2d3e; }
.btn-teal          { background: var(--gold); color: var(--putih); }
.btn-teal:hover    { background: var(--gold-light); }
.btn-gold          { background: var(--parchment); border: 1.5px solid var(--ink); color: var(--ink); }
.btn-gold:hover    { background: var(--gold-light); color: var(--putih); }
.btn-rust          { background: var(--rust); color: #fff; }
.btn-rust:hover    { background: #a0432f; }
.btn-sm            { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-danger        { background: #c0392b; color: #fff; }
.btn-danger:hover  { background: #a93226; }

/* PERBAIKAN: btn-outline di dalam search bar (background gelap)
   → pakai warna putih agar terlihat jelas */
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--putih);
  color: var(--putih);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--putih);
  color: var(--putih);
}
/* btn-outline di luar search bar (background terang) */
.card .btn-outline,
.admin-content .btn-outline,
.table-wrap .btn-outline,
.auth-card .btn-outline {
  border-color: var(--border);
  color: var(--ink-soft);
  background: transparent;
}
.card .btn-outline:hover,
.admin-content .btn-outline:hover,
.table-wrap .btn-outline:hover,
.auth-card .btn-outline:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--parchment);
}

/* =============================================================
   FORMS
============================================================= */
.form-group { margin-bottom: 1.25rem; }
.form-label {
  display: block; font-size: 0.8rem; font-weight: 500;
  margin-bottom: 0.35rem; color: var(--ink-soft);
  text-transform: uppercase; letter-spacing: 0.05em;
  font-family: var(--font-sans);
}
.form-control {
  width: 100%; padding: 0.6rem 0.85rem;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-family: var(--font-sans); font-size: 0.9rem; color: var(--ink);
  background: #fff; transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--gold); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
textarea.form-control { resize: vertical; min-height: 90px; }

/* =============================================================
   AUTH
============================================================= */
.auth-page {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  background: var(--ink);
}
.auth-card {
  background: var(--cream); border-radius: 8px;
  padding: 2.5rem 2.25rem; width: 100%; max-width: 420px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  border-top: 4px solid var(--gold);
}
.auth-logo { text-align: center; margin-bottom: 1.75rem; }
.auth-logo h1 { font-family: var(--font-serif); font-size: 2rem; color: var(--ink); font-weight: 700; }
.auth-logo p  { font-family: var(--font-sans); color: var(--ink-soft); font-size: 0.85rem; }
.auth-footer  { text-align: center; margin-top: 1.25rem; font-size: 0.875rem; color: var(--ink-soft); font-family: var(--font-sans); }
.auth-footer a { color: var(--gold); text-decoration: none; font-weight: 500; }

/* =============================================================
   SEARCH BAR
============================================================= */
.search-bar {
  background: var(--ink-soft); border: 1.5px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 1.25rem;
  margin: 1.5rem 0;
  display: flex; gap: 0.75rem; flex-wrap: wrap; align-items: center;
}
.search-bar input,
.search-bar select {
  border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 0.5rem 0.75rem; font-family: var(--font-sans);
  font-size: 0.875rem; color: var(--ink); background: var(--putih);
  transition: border-color 0.15s;
}
.search-bar input           { flex: 1; min-width: 200px; }
.search-bar input::placeholder { color: var(--ink-soft); }
.search-bar input:focus,
.search-bar select:focus    { outline: none; border-color: var(--gold); }

/* =============================================================
   KATALOG — Section title
============================================================= */
.catalog-section-title {
  font-family: var(--font-serif);
  font-size: 1.2rem; font-weight: 700; color: var(--ink);
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--gold);
  margin-bottom: 1.25rem;
}

/* =============================================================
   KATEGORI CARD GRID
============================================================= */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);   /* selalu 4 kolom */
  gap: 1rem;
  justify-items: center;
}
.category-card {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.6rem; padding: 1.5rem 1rem;
  background: #fff;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  text-decoration: none; color: var(--ink);
  font-family: var(--font-sans);
  transition: all 0.18s; text-align: center;
  cursor: pointer; width: 100%;
}
.category-card:hover {
  border-color: var(--gold);
  background: var(--parchment);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px rgba(40,62,86,0.10);
}
.category-icon { font-size: 2.2rem; line-height: 1; }
.category-name { font-size: 0.8rem; font-weight: 500; line-height: 1.4; color: var(--ink); }

/* =============================================================
   BOOK GRID & CARDS
   PERBAIKAN: padding-bottom lebih besar agar tidak mepet footer
============================================================= */
.book-card-link {
  text-decoration: none; color: inherit;
  display: block; height: 100%;
}
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(165px, 1fr));
  gap: 1rem;
  align-items: start;
  padding-bottom: 3rem;   /* PERBAIKAN: space di bawah grid */
}
.book-card {
  height: 100%; display: flex; flex-direction: column;
  background: #fff; border-radius: 8px;
  border: 1px solid var(--border); overflow: hidden;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.book-card-link:hover .book-card {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(40,62,86,0.13);
  border-color: var(--gold);
}
.book-cover {
  height: 148px;
  display: flex; align-items: flex-end; justify-content: center;
  padding: 0.85rem 0.75rem;
  position: relative; flex-shrink: 0;
}
.book-spine {
  position: absolute; left: 0; top: 0;
  width: 6px; height: 100%; background: rgba(0,0,0,0.2);
}
.book-cover-content { text-align: center; z-index: 1; width: 100%; }
.book-cover-title {
  font-family: var(--font-serif);
  font-size: 0.82rem; font-weight: 700; color: #fff; line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.book-cover-author {
  font-family: var(--font-sans);
  font-size: 0.68rem; color: rgba(255,255,255,0.82);
  margin-top: 0.2rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.book-love-badge {
  position: absolute; top: 0.45rem; right: 0.45rem;
  background: rgba(0,0,0,0.42); color: #fff;
  font-size: 0.62rem; font-family: var(--font-sans); font-weight: 600;
  padding: 0.12rem 0.38rem; border-radius: 99px;
}
.book-info {
  padding: 0.75rem 0.8rem 0.8rem;
  flex: 1; display: flex; flex-direction: column; gap: 0.18rem;
}
.book-title {
  font-family: var(--font-serif);
  font-size: 0.88rem; font-weight: 700; line-height: 1.35; color: var(--ink);
  display: -webkit-box; -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.book-author {
  font-family: var(--font-sans);
  font-size: 0.73rem; color: var(--ink-soft);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.book-meta {
  display: flex; gap: 0.3rem; flex-wrap: wrap;
  margin-top: auto; padding-top: 0.45rem;
}

/* =============================================================
   BADGES
============================================================= */
.badge {
  font-size: 0.62rem; padding: 0.12rem 0.42rem; border-radius: 99px;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em;
  font-family: var(--font-sans);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  max-width: 120px; display: inline-block;
}
.badge-cat      { background: #e8e4f0; color: #4a3a7a; }
.badge-avail    { background: #e8f4ed; color: #2a5f3a; }
.badge-unavail  { background: #faeaea; color: #7a1f1f; }
.badge-overdue  { background: #fff3e0; color: #8a4a00; }
.badge-active   { background: #e8f4ed; color: #2a5f3a; }
.badge-returned { background: #f0f0f0; color: #555; }
.badge-admin    { background: var(--gold); color: var(--putih); }

/* =============================================================
   BOOK DETAIL
============================================================= */
.book-detail {
  display: grid; grid-template-columns: 240px 1fr;
  gap: 2rem; padding: 2rem 0 3rem;   /* padding-bottom lebih besar */
}
.book-detail-cover {
  height: 320px; border-radius: 6px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: #fff; text-align: center; padding: 1.5rem;
  box-shadow: -4px 0 0 rgba(0,0,0,0.2) inset, 4px 8px 20px var(--shadow);
}
.book-detail-cover h2 { font-family: var(--font-serif); font-size: 1.2rem; }
.book-detail-cover p  { font-family: var(--font-sans); font-size: 0.85rem; opacity: 0.85; margin-top: 0.5rem; }
.book-detail-info h1  { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; line-height: 1.2; }
.book-detail-info .author      { font-family: var(--font-sans); font-size: 1.1rem; color: var(--ink-soft); margin: 0.4rem 0 1rem; }
.book-detail-info .description { font-family: var(--font-sans); color: var(--ink-soft); line-height: 1.7; margin: 1rem 0; }
.detail-row   { display: flex; gap: 0.5rem; align-items: center; margin: 0.4rem 0; font-size: 0.9rem; font-family: var(--font-sans); }
.detail-label { color: var(--ink-soft); min-width: 120px; font-weight: 500; }

/* =============================================================
   TABLE
============================================================= */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
th {
  background: var(--ink); color: var(--parchment);
  padding: 0.7rem 1rem; text-align: left;
  font-family: var(--font-sans); font-weight: 600;
  font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em;
}
td { padding: 0.7rem 1rem; border-bottom: 1px solid var(--border); vertical-align: middle; font-family: var(--font-sans); }
tr:hover td { background: var(--parchment); }
tr:last-child td { border-bottom: none; }

/* =============================================================
   ADMIN
============================================================= */
.admin-layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 70px); }
.admin-sidebar {
  background: var(--ink); padding: 1.5rem 0;
  border-right: 1px solid rgba(255,255,255,0.05);
}
.admin-sidebar a {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1.5rem; color: rgba(255,255,255,0.7);
  text-decoration: none; font-size: 0.875rem;
  font-family: var(--font-sans);
  transition: all 0.15s; border-left: 3px solid transparent;
}
.admin-sidebar a:hover  { color: var(--parchment); background: rgba(255,255,255,0.06); }
.admin-sidebar a.active { color: var(--gold); border-left-color: var(--gold); background: rgba(25,137,172,0.1); }
.admin-sidebar .sidebar-label {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.1em;
  color: rgba(255,255,255,0.3); padding: 1rem 1.5rem 0.4rem;
  font-weight: 600; font-family: var(--font-sans);
}
.admin-content { padding: 2rem; background: var(--cream); }

/* =============================================================
   STATS CARDS
============================================================= */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin-bottom: 2rem; }
.stat-card {
  background: #fff; border-radius: 6px; padding: 1.25rem;
  border: 1px solid var(--border); border-top: 3px solid var(--gold);
}
.stat-card .stat-value { font-family: var(--font-serif); font-size: 2rem; font-weight: 700; line-height: 1; }
.stat-card .stat-label { font-family: var(--font-sans); font-size: 0.72rem; color: var(--ink-soft); margin-top: 0.25rem; text-transform: uppercase; letter-spacing: 0.05em; }

/* =============================================================
   SECTION TITLE & CARD
============================================================= */
.section-title {
  font-family: var(--font-serif); font-size: 1.5rem; font-weight: 700;
  color: var(--ink); margin-bottom: 1rem;
  padding-bottom: 0.5rem; border-bottom: 2px solid var(--border);
}
.card {
  background: #fff; border-radius: 6px;
  border: 1px solid var(--border); padding: 1.5rem; margin-bottom: 1.5rem;
}

/* =============================================================
   MODAL KATEGORI
============================================================= */
.modal-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,0.5);
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-box {
  background: #fff; border-radius: 12px;
  padding: 2rem; width: 90%; max-width: 680px;
  max-height: 80vh; overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-box h3 {
  font-family: var(--font-serif); font-size: 1.25rem;
  font-weight: 700; color: var(--ink); margin-bottom: 1.25rem;
}
.modal-close {
  position: absolute; top: 1rem; right: 1rem;
  background: none; border: none; font-size: 1.4rem;
  cursor: pointer; color: var(--ink-soft); line-height: 1;
  transition: color 0.15s;
}
.modal-close:hover { color: var(--rust); }
.modal-category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

/* =============================================================
   MISC
============================================================= */
.color-picker-group { display: flex; gap: 0.5rem; align-items: center; }
.color-preview { width: 32px; height: 32px; border-radius: 4px; border: 1px solid var(--border); flex-shrink: 0; }
.empty-state { text-align: center; padding: 4rem 2rem; color: var(--ink-soft); }
.empty-state .icon { font-size: 3rem; margin-bottom: 1rem; opacity: 0.4; }
.empty-state h3 { font-family: var(--font-serif); font-size: 1.3rem; color: var(--ink); }
hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
footer {
  background: var(--ink) !important; color: rgba(255,255,255,0.45) !important;
  text-align: center; padding: 1.25rem; font-size: 0.8rem;
  margin-top: auto; border-top: 2px solid var(--gold) !important;
  font-family: var(--font-sans);
}

/* =============================================================
   RESPONSIVE
============================================================= */
@media (max-width: 768px) {
  .admin-layout    { grid-template-columns: 1fr; }
  .admin-sidebar   { display: none; }
  .book-detail     { grid-template-columns: 1fr; }
  .form-row        { grid-template-columns: 1fr; }
  .lokasi-grid     { grid-template-columns: 1fr !important; }
  .category-grid   { grid-template-columns: repeat(2, 1fr); }
  .modal-category-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .category-grid   { grid-template-columns: repeat(2, 1fr); }
  .books-grid      { grid-template-columns: repeat(2, 1fr); }
  .modal-category-grid { grid-template-columns: repeat(2, 1fr); }

  .book-title,
.book-cover-title {
  -webkit-line-clamp: 3;
  line-clamp: 3;
}

/* Sembunyikan gambar hero di layar kecil */
@media (max-width: 600px) {
    .hero-img { display: none; }
}

}