/* ============================================================
   WildGuard Society – Wildlife e-Library Stylesheet
   Spacious design with breathing room, unified grids,
   and premium research aesthetics.
   ============================================================ */

/* -- Design Tokens -- */
:root {
  --primary:            #1b5e40;
  --primary-dark:       #143d2a;
  --accent:             #E89E54;
  --accent-hover:       #D58A45;
  --terracotta:         #D47252;
  --terracotta-soft:    rgba(220, 114, 82, 0.15);
  --amber:              #E89E54;
  --dark:               #0f1f17;
  --darker:             #0b0f0c;
  --light:              #f5f5f0;
  --lighter:            #ffffff;
  --text:               #d4d4d0;
  --muted:              rgba(255,255,255,0.55);
  --soft-bg:            rgba(15, 31, 23, 0.8);

  --font-heading:       'Playfair Display', Georgia, serif;
  --font-body:          'Inter', system-ui, sans-serif;

  --max-width:          1200px;
  --section-padding:    5rem 2rem;
  --card-gap:           2.5rem;
  --card-min-width:     280px;

  --radius:             8px;
  --radius-lg:          16px;

  --shadow:             0 2px 10px rgba(0,0,0,0.1);
  --shadow-lg:          0 4px 20px rgba(0,0,0,0.15);
  --transition:         all 0.3s ease;
}

/* -- Header -- */
.site-header {
  --header-gap: 1rem;
}
.site-header .header-container {
  gap: var(--header-gap);
}
.site-header .logo { gap: 0.75rem; }
.site-header .logo-img { width: 44px; height: 44px; }
.site-header .desktop-nav { gap: 0.5rem; }
.site-header .desktop-nav a { padding: 0.7rem 1.2rem; font-size: 0.88rem; }
.site-header .header-actions { gap: 1rem; }
.site-header .theme-toggle { width: 44px; height: 44px; }
.site-header .btn-signin { padding: 0.65rem 1.3rem; font-size: 0.85rem; }
.site-header .user-menu-toggle { padding: 0.5rem 0.8rem; font-size: 0.88rem; min-height: 44px; }
.site-header .user-avatar { width: 40px; height: 40px; min-width: 40px; font-size: 1rem; }
.site-header .lang-toggle { padding: 0.55rem 1.1rem; font-size: 0.82rem; }
.site-header .lang-toggle .lang-name { display: inline; }

/* -- Scanned Grid -- */
.scanned-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--card-gap);
  max-width: 100%;
}
.scanned-grid .scanned-card { margin-bottom: 0; }

/* -- Scanned Card -- */
.scanned-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  transition: var(--transition);
  flex: 0 0 auto;
  margin-bottom: 1rem;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}
.scanned-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.scanned-card .scanned-img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.scanned-card:hover .scanned-img { transform: scale(1.02); }
.scanned-body { padding: 0.875rem; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.scanned-category { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 0.25rem; }
.scanned-card h3 { color: #fff; font-size: 1rem; margin: 0 0 0.25rem; line-height: 1.3; }
.scanned-card p { color: var(--muted); font-size: 0.85rem; line-height: 1.4; margin: 0; flex: 1; }
.scanned-meta { font-size: 0.78rem; color: var(--muted); display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.scanned-meta .confidence { color: var(--accent); }
.scanned-empty { text-align: center; padding: 3rem 2rem; color: var(--muted); }

/* -- Page Layout -- */
.lib-page {
  min-height: 100vh;
  background: var(--darker);
  font-family: var(--font-body);
}

/* -- Hero Section -- */
.lib-hero {
  position: relative;
  padding: var(--section-padding);
  text-align: center;
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
  overflow: hidden;
}

.lib-hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 100%);
  pointer-events: none;
}

.lib-hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.lib-hero-title .accent { color: var(--accent); }

.lib-hero-desc {
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  color: var(--muted);
  max-width: 640px; margin: 0 auto 2rem; line-height: 1.6;
}

/* -- Search & Filter Bar -- */
.lib-search-bar {
  max-width: 560px; margin: 0 auto 2rem; display: flex; gap: 1rem; flex-wrap: wrap;
  align-items: center;
}
.lib-search-bar input {
  flex: 1; min-width: 280px; padding: 0.85rem 1rem; border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.03); color: #fff; font-size: 0.95rem; outline: none; transition: border-color 0.2s;
}
.lib-search-bar input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,158,84,0.15); }
.lib-search-bar button {
  padding: 0.85rem 1.2rem; border-radius: var(--radius); border: 1px solid var(--accent); background: var(--accent); color: var(--dark); font-weight: 600; cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.lib-search-bar button:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(232,158,84,0.3); }

/* -- Category Grid -- */
.lib-cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--card-min-width), 1fr));
  gap: var(--card-gap);
  margin-top: 2rem;
}
.lib-cat-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
  background: rgba(255,255,255,0.04);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.lib-cat-card:hover {
  transform: translateY(-6px) !important;
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.lib-cat-card .card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}
.lib-cat-card .card-image img {
  width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s ease;
}
.lib-cat-card:hover .card-image img { transform: scale(1.05); }
.lib-cat-card .card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.lib-cat-card .card-body h3 {
  color: #fff; margin-bottom: 0.5rem; font-size: 1.1rem;
}
.lib-cat-card .card-body p {
  color: var(--muted); font-size: 0.88rem; line-height: 1.5;
}
.lib-cat-badge {
  position: absolute; top: 1rem; left: 1rem; padding: 0.4rem 0.8rem; border-radius: 100px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.lib-cat-badge.vulnerable { background: rgba(220,114,82,0.2); color: var(--terracotta); }
.lib-cat-badge.endangered { background: rgba(232,158,84,0.2); color: var(--accent); }
.lib-cat-badge.least { background: rgba(100,180,120,0.2); color: #a8e6cf; }

/* -- Research Section -- */
.research-section {
  padding: var(--section-padding);
  background: var(--soft-bg);
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
}
.research-section h2 {
  color: #fff; margin-bottom: 1rem;
}
.research-section p {
  color: var(--muted); margin-bottom: 2rem; max-width: 600px; margin-left: auto; margin-right: auto;
}
.research-input-wrapper {
  max-width: 560px; margin: 0 auto; display: flex; gap: 1rem; flex-wrap: wrap;
  align-items: center;
}
.research-input-wrapper input {
  flex: 1; min-width: 280px; padding: 0.85rem 1rem; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.03); color: #fff; font-size: 0.95rem; outline: none; transition: border-color 0.2s;
}
.research-input-wrapper input:focus { border-color: var(--accent); }
.research-input-wrapper button {
  padding: 0.85rem 1.2rem; border-radius: var(--radius); border: 1px solid var(--accent); background: var(--accent); color: var(--dark); font-weight: 600; cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.research-input-wrapper button:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(232,158,84,0.3); }
.research-results {
  margin-top: 2rem; display: none;
}
.research-result-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius); padding: 1.5rem; transition: var(--transition);
  margin-top: 1rem;
}
.research-result-card:hover { border-color: var(--accent); }
.research-result-card h3 { color: #fff; margin-bottom: 0.5rem; font-size: 1.1rem; }
.research-result-card p { color: var(--muted); font-size: 0.88rem; line-height: 1.5; margin-bottom: 1rem; }
.research-result-card .tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.research-result-card .tag {
  background: rgba(232,158,84,0.15); color: var(--accent); padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
}

/* -- Research Results On-Page Display -- */
.research-result-card .research-thumbnail {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 0.75rem;
}
.research-result-card .research-thumbnail img {
  width: 100%; height: 180px; object-fit: cover; display: block;
}
.research-result-card .research-info { flex: 1; }
.research-result-card .research-tags { margin-top: 0.5rem; }
.research-result-card a.btn--secondary.btn--sm {
  background: rgba(255,255,255,0.06); color: var(--lighter); border: 1px solid rgba(255,255,255,0.15);
}

/* -- Wildlife Cards (category pages) -- */
.wildlife-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--card-min-width), 1fr));
  gap: var(--card-gap);
  margin-top: 2rem;
}
.wildlife-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  border: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
  background: rgba(255,255,255,0.04);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.wildlife-card:hover {
  transform: translateY(-6px) !important;
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.wildlife-card .card-image {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
}
.wildlife-card .card-image img {
  width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.3s ease;
}
.wildlife-card:hover .card-image img { transform: scale(1.05); }
.wildlife-card .card-body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.wildlife-card .card-body h3 { color: #fff; margin-bottom: 0.5rem; font-size: 1.1rem; }
.wildlife-card .card-body .brief {
  position: absolute; top: 1rem; right: 1rem; padding: 0.3rem 0.8rem; border-radius: 100px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}
.wildlife-card .card-body .brief.vulnerable { background: rgba(220,114,82,0.2); color: var(--terracotta); }
.wildlife-card .card-body .brief.endangered { background: rgba(232,158,84,0.2); color: var(--accent); }
.wildlife-card .card-body .brief.least { background: rgba(100,180,120,0.2); color: #a8e6cf; }
.wildlife-card .card-body p { color: var(--muted); font-size: 0.88rem; line-height: 1.5; }

/* -- Books & Resources -- */
.lib-books {
  padding: var(--section-padding);
  background: var(--soft-bg);
  border-radius: var(--radius-lg);
  margin-bottom: 3rem;
}
.lib-books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--card-gap);
}
.lib-book {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 1.5rem; transition: var(--transition); cursor: pointer;
}
.lib-book:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.lib-book .lib-book-cover {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  margin-bottom: 1rem;
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius);
}
.lib-book .lib-book-cover img {
  width: 100%; height: 100%; object-fit: cover; display: block; border-radius: var(--radius);
}
.lib-book .lib-book-title { color: #fff; margin-bottom: 0.5rem; font-size: 1rem; text-align: center; }
.lib-book .lib-book-author { color: var(--muted); font-size: 0.85rem; text-align: center; margin-bottom: 0.5rem; display: block; }
.lib-book .lib-book-desc { color: var(--muted); font-size: 0.8rem; text-align: center; margin-bottom: 1rem; line-height: 1.4; }
.lib-book .lib-book-actions {
  display: flex; gap: 0.5rem; justify-content: center; flex-wrap: wrap;
}
.lib-book .lib-book-actions .btn {
  padding: 0.4rem 0.8rem; border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.06); color: var(--lighter); font-size: 0.78rem; font-weight: 600; cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.lib-book .lib-book-actions .btn:hover {
  background: rgba(244,162,97,0.18); border-color: rgba(244,162,97,0.4); color: var(--accent); transform: translateY(-1px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .lib-section { padding: 3rem 1.5rem; }
  .lib-hero { padding: 3rem 1.5rem 2rem; }
  .lib-hero-title { font-size: clamp(2rem, 5vw, 2.5rem); }
  .lib-cat-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
  .wildlife-grid { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
  .research-section { padding: 3rem 1.5rem; }
  .research-input-wrapper { flex-direction: column; max-width: 100%; }
  .research-input-wrapper input { min-width: 100%; }
  .research-input-wrapper button { width: 100%; }
}

@media (max-width: 480px) {
  .lib-section { padding: 2rem 1rem; }
  .lib-hero-title { font-size: clamp(1.8rem, 5vw, 2rem); }
  .wildlife-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
  .research-input-wrapper input { font-size: 0.85rem; }
  .research-input-wrapper button { font-size: 0.85rem; padding: 0.6rem 0.8rem; }
}