/* ============================================
   Bookshelf Theme - Base Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
  --shelf-wood: #8B5E3C;
  --shelf-wood-dark: #6B4226;
  --shelf-wood-light: #A67C52;
  --shelf-shadow: #4A2E1A;
  --bg-cream: #FDF6EC;
  --bg-warm: #F5E6D0;
  --text-dark: #3E2723;
  --text-body: #5D4037;
  --text-muted: #8D6E63;
  --accent-gold: #D4A24E;
  --accent-gold-light: #E8C87A;
  --accent-red: #C0392B;
  --accent-green: #2E7D32;
  --card-bg: #FFFBF5;
  --card-border: #D7C4A7;
  --navbar-bg: #3E2723;
  --navbar-text: #F5E6D0;
  --footer-bg: #2C1810;
  --footer-text: #D7C4A7;
  --btn-primary-bg: var(--shelf-wood);
  --btn-primary-hover: var(--shelf-wood-dark);
  --border-radius: 6px;
  --transition-speed: 0.25s;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Georgia', 'Times New Roman', serif;
  background-color: var(--bg-cream);
  color: var(--text-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin: 0;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
}

a {
  color: var(--shelf-wood);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover {
  color: var(--accent-gold);
}

/* --- Navbar --- */
.navbar-bookshelf {
  background-color: var(--navbar-bg) !important;
  border-bottom: 3px solid var(--shelf-wood);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  padding: 0.5rem 0;
}

.navbar-bookshelf .navbar-brand {
  color: var(--accent-gold) !important;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar-bookshelf .navbar-brand .brand-icon {
  width: 1.6rem;
  height: 1.6rem;
  object-fit: contain;
  display: inline-block;
}

.navbar-bookshelf .nav-link {
  color: var(--navbar-text) !important;
  font-size: 0.95rem;
  padding: 0.5rem 1rem !important;
  transition: color var(--transition-speed), background-color var(--transition-speed);
  border-radius: var(--border-radius);
}

.navbar-bookshelf .nav-link:hover {
  color: var(--accent-gold) !important;
  background-color: rgba(255, 255, 255, 0.08);
}

.navbar-bookshelf .nav-link.active {
  color: var(--accent-gold) !important;
}

.dropdown-menu-bookshelf {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  min-width: 14rem;
  padding: 0.35rem;
}

.dropdown-menu-bookshelf .dropdown-item {
  color: var(--text-dark);
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  padding: 0.45rem 0.7rem;
}

.dropdown-menu-bookshelf .dropdown-item:hover,
.dropdown-menu-bookshelf .dropdown-item:focus,
.dropdown-menu-bookshelf .dropdown-item.active {
  background-color: var(--shelf-wood);
  color: #fff;
}

/* Search form in navbar */
.navbar-search .form-control {
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--shelf-wood);
  color: var(--navbar-text);
  border-radius: 20px 0 0 20px;
  font-size: 0.9rem;
}

.navbar-search .form-control::placeholder {
  color: var(--text-muted);
}

.navbar-search .form-control:focus {
  background-color: rgba(255, 255, 255, 0.2);
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 0.15rem rgba(212, 162, 78, 0.25);
  color: #fff;
}

.navbar-search .btn {
  border-radius: 0 20px 20px 0;
  background-color: var(--shelf-wood);
  border-color: var(--shelf-wood);
  color: #fff;
  font-size: 0.9rem;
  padding: 0.375rem 0.85rem;
}

.navbar-search .btn:hover {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold);
  color: var(--navbar-bg);
}

/* Mobile toggle */
.navbar-bookshelf .navbar-toggler {
  border-color: var(--shelf-wood);
  padding: 0.25rem 0.5rem;
}

.navbar-bookshelf .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(245,230,208,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* --- Main Content --- */
.main-content {
  flex: 1;
  padding: 1.5rem 0;
}

/* --- Footer --- */
.footer-bookshelf {
  background-color: var(--footer-bg);
  color: var(--footer-text);
  border-top: 3px solid var(--shelf-wood);
  padding: 2rem 0 1rem;
  margin-top: auto;
}

.footer-bookshelf h6 {
  color: var(--accent-gold);
  font-size: 1rem;
  margin-bottom: 0.75rem;
}

.footer-bookshelf a {
  color: var(--footer-text);
  font-size: 0.88rem;
  transition: color var(--transition-speed);
}

.footer-bookshelf a:hover {
  color: var(--accent-gold);
}

.footer-bookshelf .footer-divider {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 1.25rem 0 0.75rem;
}

.footer-bookshelf .footer-copyright {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --- Utility Classes --- */
.text-gold {
  color: var(--accent-gold) !important;
}

.text-shelf {
  color: var(--shelf-wood) !important;
}

.bg-shelf {
  background-color: var(--shelf-wood) !important;
}

/* --- Buttons (compact & refined) --- */
.btn-shelf {
  background-color: var(--btn-primary-bg);
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.35rem 1rem;
  font-size: 0.88rem;
  font-family: inherit;
  transition: all var(--transition-speed);
  cursor: pointer;
}

.btn-shelf:hover {
  background-color: var(--btn-primary-hover);
  color: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.btn-shelf-outline {
  background-color: transparent;
  color: var(--shelf-wood);
  border: 1px solid var(--shelf-wood);
  border-radius: var(--border-radius);
  padding: 0.35rem 1rem;
  font-size: 0.88rem;
  font-family: inherit;
  transition: all var(--transition-speed);
  cursor: pointer;
}

.btn-shelf-outline:hover {
  background-color: var(--shelf-wood);
  color: #fff;
}

.btn-gold {
  background-color: var(--accent-gold);
  color: var(--navbar-bg);
  border: none;
  border-radius: var(--border-radius);
  padding: 0.35rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: inherit;
  transition: all var(--transition-speed);
  cursor: pointer;
}

.btn-gold:hover {
  background-color: var(--accent-gold-light);
  color: var(--navbar-bg);
  box-shadow: 0 2px 6px rgba(212, 162, 78, 0.4);
}

/* --- Page Title Section --- */
.page-title-section {
  background: linear-gradient(135deg, var(--shelf-wood-dark), var(--shelf-wood));
  color: #fff;
  padding: 1.25rem 0;
  margin-bottom: 1.5rem;
  border-bottom: 3px solid var(--accent-gold);
}

.page-title-section h1 {
  color: #fff;
  font-size: 1.6rem;
  margin: 0;
}

.page-title-section .breadcrumb {
  margin: 0;
  padding: 0;
  background: none;
}

.page-title-section .breadcrumb-item,
.page-title-section .breadcrumb-item a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.88rem;
}

.page-title-section .breadcrumb-item.active {
  color: var(--accent-gold-light);
}

.page-title-section .breadcrumb-item + .breadcrumb-item::before {
  color: rgba(255, 255, 255, 0.4);
}

/* --- Pagination --- */
.pagination-bookshelf .page-link {
  color: var(--shelf-wood);
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  font-size: 0.88rem;
  padding: 0.35rem 0.75rem;
  transition: all var(--transition-speed);
}

.pagination-bookshelf {
  flex-wrap: wrap;
  gap: 0.35rem;
}

.pagination-bookshelf .page-item {
  margin: 0;
}

.pagination-bookshelf .page-link {
  border-radius: var(--border-radius);
  min-width: 2.5rem;
  text-align: center;
}

.pagination-bookshelf .page-link:hover {
  background-color: var(--shelf-wood);
  color: #fff;
  border-color: var(--shelf-wood);
}

.pagination-bookshelf .page-item.active .page-link {
  background-color: var(--shelf-wood);
  border-color: var(--shelf-wood-dark);
  color: #fff;
}

.pagination-bookshelf .page-item.disabled .page-link {
  color: var(--text-muted);
  background-color: var(--bg-warm);
  border-color: var(--card-border);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-warm);
}

::-webkit-scrollbar-thumb {
  background: var(--shelf-wood-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--shelf-wood);
}

/* --- Responsive --- */
@media (max-width: 767.98px) {
  .navbar-bookshelf .navbar-brand {
    font-size: 1.25rem;
  }

  .page-title-section h1 {
    font-size: 1.3rem;
  }

  .main-content {
    padding: 1rem 0;
  }

  .pagination-bookshelf {
    justify-content: center;
  }

  .pagination-bookshelf .page-link {
    font-size: 0.8rem;
    padding: 0.3rem 0.55rem;
    min-width: 2.2rem;
  }
}