:root {
  --primary-green: #4CAF50;
  --dark-green: #2E7D32;
  --black: #212121;
  --off-white: #F9FDFB;
  --true-white: #FFFFFF;
  --light-gray: #E0E0E0;
  --light-cream: #FFFDF5;
  --accent-yellow: #FFD54F;

  --font-main: 'Poppins', sans-serif;
  --font-secondary: 'Open Sans', sans-serif;
}

body {
  font-family: var(--font-main);
  background-color: var(--off-white);
  color: var(--black);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: var(--black);
  transition: color 0.3s ease;
}
a:hover { color: var(--dark-green); }

/* ===== HEADER ===== */
.main-header {
  background: linear-gradient(to right, #f9fdfb, #e6f4ec);
  border-bottom: 1px solid var(--light-gray);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  z-index: 999;
  transition: background 0.3s ease;
}
.main-header a {
  font-weight: 500;
  position: relative;
  padding-bottom: 2px;
  transition: all 0.3s ease;
}
.main-header a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--primary-green);
  transition: width 0.3s ease-in-out;
}
.main-header a:hover::after { width: 100%; }
.main-header a:hover {
  color: var(--dark-green);
  font-weight: 600;
}
.main-header .btn-outline-success {
  border-color: var(--primary-green);
  color: var(--primary-green);
}
.main-header .btn-outline-success:hover {
  background-color: var(--primary-green);
  color: var(--true-white);
}
.main-header img.logo { height: 50px; }

/* ===== CATEGORY BUTTON ===== */
.btn-category {
  background-color: var(--true-white);
  border: 2px solid var(--primary-green);
  color: var(--dark-green);
  padding: 10px 20px;
  border-radius: 30px;
  font-weight: 600;
  transition: all 0.3s ease;
}
.btn-category:hover {
  background-color: #198754;
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.3);
}

/* ===== HERO SLIDER ===== */
.slider-container {
  overflow: hidden;
  width: 100%;
  position: relative;
}
.slider {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

/* ✅ LCP/CLS friendly */
.hero-img {
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.hero-slide .position-absolute {
  padding: 12px;
  width: min(92%, 640px);
}

.hero-slide .btn {
  min-height: 44px;
  padding: 10px 14px;
  font-weight: 600;
}

@media (max-width: 768px) {
  .hero-img {
    aspect-ratio: 16 / 9;
    object-fit: cover;
  }
}

/* ✅ dots (single source) */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 15px;
}
.slider-dots .dot {
  width: 12px;
  height: 12px;
  border: 0;
  background-color: #bbb;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
  opacity: 0.7;
}
.slider-dots .dot.active {
  background-color: #4CAF50;
  opacity: 1;
  transform: scale(1.15);
}

/* ===== Buttons hover ===== */
.btn-warning:hover {
  background-color: #f57f17 !important;
  color: white !important;
}
.btn-success:hover {
  background-color: #1b5e20 !important;
  color: white !important;
}

/* ===== Cards ===== */
.card {
  border: 5px solid #4CAF50;
  border-radius: 10px;
  background-color: var(--true-white, #ffffff);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}
.card.h-100 {
  min-height: 430px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.card-title {
  font-weight: bold;
  font-size: 1.1rem;
}
.card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ===== Reviews ===== */
.customer-reviews-section { background-color: #f5fdf8; }
.customer-reviews-section h2 { font-size: 32px; font-weight: 700; }

.review-gallery { gap: 24px; }

.review-card {
  max-width: 250px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 16px;
  border: 1.5px solid var(--primary-green);
  padding: 6px;
  background-color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.review-card:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 10px 20px rgba(0, 128, 0, 0.1);
}

/* ✅ single review-img definition */
.review-img {
  width: 220px;
  max-height: 220px;
  border-radius: 12px;
  object-fit: contain;
  background-color: #fff;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}
.review-img:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}

/* Pagination buttons */
.review-pagination .btn-page {
  background-color: var(--primary-green);
  color: white;
  padding: 6px 12px;
  margin: 0 4px;
  border-radius: 6px;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
}
.review-pagination .btn-page:hover,
.review-pagination .btn-page.active {
  background-color: var(--dark-green);
  color: #fff;
}

/* ===== Footer ===== */
.main-footer { background-color: var(--off-white); }
.main-footer a {
  color: var(--black);
  transition: color 0.3s ease-in-out;
}
.main-footer a:hover { color: var(--primary-green); }

.main-footer img.footer-logo { height: 80px; }

.main-footer .container {
  background: linear-gradient(to right, #f9fdfb, #e6f4ec);
  border-radius: 12px;
  padding: 12px;
}

footer .social-icons i { transition: transform 0.3s ease; }
footer .social-icons i:hover { transform: scale(1.2); }
footer .bg-dark { background-color: var(--black) !important; }

footer .social-icons a {
  font-size: 20px;
  background-color: #f1f1f1;
  border-radius: 50%;
  padding: 8px;
  color: #212121;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
}
footer .social-icons a:hover {
  background-color: var(--primary-green);
  color: white;
}

.footer-contact i.fa-envelope { color: #e53935; }
.footer-contact i.fa-globe { color: #1e88e5; }
.footer-contact i.fa-phone { color: #43a047; }

/* Hover Shadow Effect */
.hover-shadow {
  transition: all 0.3s ease-in-out;
}
.hover-shadow:hover {
  background-color: #e6f4ea;
  transform: scale(1.05);
  box-shadow: 0 4px 10px rgba(0, 128, 0, 0.2);
}
.hover-shadow:hover i { color: #2e7d32 !important; }

/* ===== Toast ===== */
.custom-toast {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: #007bff;
  color: white;
  padding: 10px 16px;
  border-radius: 5px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  z-index: 1050;
}
.custom-toast.fade-out {
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* WhatsApp floating button */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: #25D366;
  color: white;
  padding: 10px 16px;
  border-radius: 30px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  font-weight: bold;
  display: flex;
  align-items: center;
  z-index: 999;
  transition: background 0.3s;
}
.whatsapp-float i { margin-right: 8px; }
.whatsapp-float:hover {
  background-color: #128C7E;
  text-decoration: none;
}

/* Dark mode */
.dark-mode {
  background-color: #121212;
  color: #e0e0e0;
}
.dark-mode a { color: #e0e0e0; }
.dark-mode .card {
  background-color: #1f1f1f;
  border-color: #333;
}
.dark-mode .main-header,
.dark-mode .main-footer {
  background-color: #1c1c1c;
}
.dark-mode .btn-category {
  background-color: transparent;
  color: #e0e0e0;
  border-color: var(--light-gray);
}
.dark-mode .btn-category:hover {
  background-color: var(--primary-green);
  color: white;
}

/* Scroll to top */
#scrollToTopBtn {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 9999;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background-color: #10b981;
  color: white;
  border: none;
  font-size: 20px;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  transition: all 0.3s ease;
}
#scrollToTopBtn:hover {
  background-color: #059669;
  transform: scale(1.1);
}

/* Testimonials UI */
.testimonial-box {
  border: 2px solid #e0f0e5;
  border-radius: 20px;
  background: linear-gradient(to right, #ffffff, #f7fff9);
  box-shadow: 0 10px 25px rgba(0, 128, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.testimonial-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 30px rgba(0, 128, 0, 0.15);
}
.avatar {
  box-shadow: 0 3px 6px rgba(0,0,0,0.2);
  border: 2px solid white;
}
.carousel-indicators [data-bs-target] {
  width: 10px;
  height: 10px;
  background-color: #198754;
  opacity: 0.4;
  margin: 0 5px;
  border-radius: 50%;
  transition: all 0.3s ease;
}
.carousel-indicators .active {
  opacity: 1;
  transform: scale(1.2);
}

/* Book card helpers */
.d-flex.flex-wrap.justify-content-center.gap-2.mt-2 > form,
.d-flex.flex-wrap.justify-content-center.gap-2.mt-2 > a {
  margin-bottom: 0 !important;
}

.book-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background-color: #4CAF50;
  color: #fff;
  font-size: 12px;
  font-weight: bold;
  padding: 4px 8px;
  border-radius: 4px;
  z-index: 10;
}
.wishlist-icon {
  position: absolute;
  top: 10px;
  right: 10px;
  color: #aaa;
  cursor: pointer;
  z-index: 10;
}
.wishlist-icon:hover { color: #e74c3c; }

.card-img-top {
  width: 100%;
  height: 220px;
  object-fit: contain;
  background-color: #f9f9f9;
  padding: 20px;
}

.custom-book-card {
  border: 3px solid #4CAF50 !important;
  border-radius: 10px;
  background-color: var(--true-white, #ffffff);
  box-shadow: none !important;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.custom-book-card:hover {
  transform: translateY(-5px) scale(1.03);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}
.card-body .button-group {
  display: flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 6px;
  padding: 0 5px;
  margin-top: 10px;
}
.card-body .button-group form,
.card-body .button-group a {
  flex: 1 1 auto;
  min-width: 90px;
}
.card-body .btn {
  font-weight: 600;
  padding: 6px 10px;
  white-space: nowrap;
}

/* Page helpers */
.page-title {
  color: var(--primary-green);
  font-weight: bold;
  font-size: 28px;
  margin-bottom: 20px;
}
.page-section {
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

html, body { height: 100%; }
main { min-height: calc(100vh - 200px); }

/* Mobile-first fine tuning */
@media (max-width: 414px) {
  .hero-slide h2 {
    font-size: 1.15rem !important;
    line-height: 1.25;
  }
  .hero-slide p {
    font-size: 0.95rem;
    margin-bottom: 10px;
  }
  .main-header img.logo { height: 36px; }
  .main-header h3 { font-size: 1.1rem; }
}

/* Dynamic Custom Book Card Styles */
.custom-book-card.browse-style {
  border: 2px solid var(--light-gray);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}
.custom-book-card.dashboard-style {
  border: 2px solid var(--primary-green);
  background-color: #f5fff8;
  box-shadow: 0 4px 12px rgba(76, 175, 80, 0.08);
}
.custom-book-card.popular-style {
  border: 2px solid #ffc107;
  background-color: #fffef8;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.06);
  transform: scale(1.01);
}
.wishlist-icon-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 0;
  background: transparent;
  padding: 6px;
  border-radius: 999px;
  cursor: pointer;
}

.wishlist-icon-btn.is-wishlisted .wishlist-icon {
  color: #e74c3c;
}

.wishlist-icon {
  color: #aaa;
  font-size: 18px;
}

.wishlist-icon-btn:hover .wishlist-icon {
  color: #e74c3c;
}
/* Header search suggestions */
.suggestion-list {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  z-index: 1000;
  width: 100%;
  max-height: 250px;
  overflow-y: auto;
  border: 1px solid #dee2e6;
  border-top: none;
  display: none;
}

.suggestion-item {
  padding: 10px 12px;
  cursor: pointer;
}

.suggestion-item:hover {
  background-color: #f1f1f1;
}
/* ===== Dark mode readability fixes ===== */
.dark-mode {
  background-color: #121212;
  color: #eaeaea;
}

/* Make common text readable */
.dark-mode .card,
.dark-mode .custom-book-card {
  background-color: #1f1f1f !important;
  border-color: #2f2f2f !important;
}

.dark-mode .card-title,
.dark-mode .card h5,
.dark-mode .card p,
.dark-mode .card span,
.dark-mode .card small,
.dark-mode .text-muted,
.dark-mode .text-dark {
  color: #eaeaea !important;
}

/* Muted text should still be readable */
.dark-mode .text-muted {
  color: #b8b8b8 !important;
}

/* Price colors */
.dark-mode .text-success {
  color: #7CFF9B !important;
}
.dark-mode del,
.dark-mode .text-muted del {
  color: #9a9a9a !important;
}

/* Buttons: keep readable borders on dark */
.dark-mode .btn-outline-secondary {
  color: #eaeaea !important;
  border-color: #6c757d !important;
}
.dark-mode .btn-outline-secondary:hover {
  background: #343a40 !important;
}

/* Badge */
.dark-mode .badge.bg-light {
  background-color: #2b2b2b !important;
  color: #eaeaea !important;
}

/* Wishlist heart visibility */
.dark-mode .wishlist-icon {
  color: #cfcfcf !important;
}
.dark-mode .wishlist-icon-btn.is-wishlisted .wishlist-icon {
  color: #ff5c6c !important;
}
/* =========================================================
   DARK MODE — PRO THEME (Boipoka)
   Paste at the END of style.css
   ========================================================= */

.dark-mode {
  background-color: #0f1115;
  color: #e7eaf0;
}

/* Generic text + links */
.dark-mode a { color: #e7eaf0; }
.dark-mode a:hover { color: #8ef0b0; }

/* Bootstrap helpers override */
.dark-mode .text-dark { color: #e7eaf0 !important; }
.dark-mode .text-muted { color: #b6bdc8 !important; }
.dark-mode .bg-white { background-color: #151923 !important; }
.dark-mode .bg-light { background-color: #121522 !important; }
.dark-mode .border-top,
.dark-mode .border-bottom { border-color: rgba(255,255,255,0.08) !important; }

/* Header */
.dark-mode .main-header {
  background: linear-gradient(to right, #101522, #0f1115) !important;
  border-bottom: 1px solid rgba(255,255,255,0.08) !important;
  box-shadow: 0 2px 10px rgba(0,0,0,0.45) !important;
}
.dark-mode .main-header a::after {
  background-color: #6ee7b7 !important;
}

/* Search input */
.dark-mode .main-header input.form-control {
  background-color: #0f1115 !important;
  color: #e7eaf0 !important;
  border-color: rgba(255,255,255,0.14) !important;
}
.dark-mode .main-header input.form-control::placeholder {
  color: rgba(231,234,240,0.55) !important;
}
.dark-mode .main-header .btn-success {
  background-color: #1f9d63 !important;
  border-color: #1f9d63 !important;
}

/* Suggestion dropdown */
.dark-mode .suggestion-list {
  background: #0f1115 !important;
  border-color: rgba(255,255,255,0.12) !important;
}
.dark-mode .suggestion-item { color: #e7eaf0 !important; }
.dark-mode .suggestion-item:hover { background: rgba(255,255,255,0.06) !important; }

/* Sections */
.dark-mode section {
  background-color: transparent;
}
.dark-mode .why-boipoka,
.dark-mode .popular-books,
.dark-mode .testimonials-slider {
  background-color: #0f1115 !important;
}
.dark-mode .top-categories,
.dark-mode .customer-reviews-section {
  background-color: #0b0d12 !important;
}

/* Hero slider overlay readability */
.dark-mode .hero-slide .text-shadow {
  text-shadow: 0 2px 18px rgba(0,0,0,0.75) !important;
}
.dark-mode .hero-slide p {
  color: rgba(231,234,240,0.92) !important;
}

/* Category cards */
.dark-mode .top-categories .border.rounded {
  background: #151923 !important;
  border-color: rgba(255,255,255,0.08) !important;
}
.dark-mode .hover-shadow:hover {
  background-color: rgba(110,231,183,0.08) !important;
  box-shadow: 0 10px 25px rgba(0,0,0,0.45) !important;
}

/* Cards global */
.dark-mode .card,
.dark-mode .custom-book-card,
.dark-mode .review-card,
.dark-mode .testimonial-box {
  background: #151923 !important;
  border-color: rgba(255,255,255,0.10) !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.45) !important;
}

/* Book card inner text */
.dark-mode .card-title,
.dark-mode .card h5,
.dark-mode .card p,
.dark-mode .card span,
.dark-mode .card small {
  color: #e7eaf0 !important;
}
.dark-mode del { color: rgba(231,234,240,0.55) !important; }

/* Prices */
.dark-mode .text-success { color: #6ee7b7 !important; }

/* Buttons */
.dark-mode .btn-outline-secondary {
  color: #e7eaf0 !important;
  border-color: rgba(231,234,240,0.25) !important;
}
.dark-mode .btn-outline-secondary:hover {
  background: rgba(255,255,255,0.08) !important;
}
.dark-mode .btn-outline-danger {
  color: #ffb4bc !important;
  border-color: rgba(255,180,188,0.35) !important;
}
.dark-mode .btn-outline-danger:hover {
  background: rgba(255, 90, 110, 0.12) !important;
}
.dark-mode .btn-warning {
  color: #101522 !important;
}
.dark-mode .btn-success {
  background-color: #1f9d63 !important;
  border-color: #1f9d63 !important;
}

/* Wishlist heart visibility */
.dark-mode .wishlist-icon {
  color: rgba(231,234,240,0.65) !important;
}
.dark-mode .wishlist-icon-btn:hover .wishlist-icon {
  color: #ff5a6e !important;
}
.dark-mode .wishlist-icon-btn.is-wishlisted .wishlist-icon {
  color: #ff5a6e !important;
}

/* Testimonials stars */
.dark-mode .text-warning {
  color: #ffd166 !important;
}

/* Carousel indicators */
.dark-mode .carousel-indicators [data-bs-target] {
  background-color: #6ee7b7 !important;
  opacity: 0.35 !important;
}
.dark-mode .carousel-indicators .active {
  opacity: 1 !important;
}

/* Modal */
.dark-mode .modal-content {
  background: #151923 !important;
  color: #e7eaf0 !important;
  border-color: rgba(255,255,255,0.12) !important;
}
.dark-mode .modal-header.bg-warning {
  background: #ffd166 !important;
  color: #101522 !important;
}
.dark-mode .btn-close {
  filter: invert(1);
}

/* Alerts */
.dark-mode .alert {
  background: #151923 !important;
  border-color: rgba(255,255,255,0.12) !important;
  color: #e7eaf0 !important;
}
.dark-mode .alert-warning {
  background: rgba(255, 209, 102, 0.12) !important;
}
.dark-mode .alert-success {
  background: rgba(110, 231, 183, 0.12) !important;
}

/* Footer */
.dark-mode .main-footer {
  background: #0b0d12 !important;
}
.dark-mode .main-footer .container {
  background: linear-gradient(to right, #101522, #0f1115) !important;
  border: 1px solid rgba(255,255,255,0.08) !important;
}
.dark-mode footer .social-icons a {
  background-color: rgba(255,255,255,0.08) !important;
  color: #e7eaf0 !important;
}
.dark-mode footer .social-icons a:hover {
  background-color: #1f9d63 !important;
  color: #fff !important;
}
.dark-mode footer .bg-dark {
  background-color: #05060a !important;
}

/* Scroll to top */
.dark-mode #scrollToTopBtn {
  background-color: #1f9d63 !important;
}
.dark-mode #scrollToTopBtn:hover {
  background-color: #157a4b !important;
}

/* Reduce harsh borders on small screens */
@media (max-width: 414px) {
  .dark-mode .card,
  .dark-mode .custom-book-card {
    box-shadow: 0 8px 18px rgba(0,0,0,0.45) !important;
  }
}
/* ===== Dark mode dropdown fix ===== */
.dark-mode .dropdown-menu {
  background-color: #151923 !important;
  border: 1px solid rgba(255,255,255,0.10) !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.55) !important;
}

.dark-mode .dropdown-item {
  color: #e7eaf0 !important;
}

.dark-mode .dropdown-item:hover,
.dark-mode .dropdown-item:focus {
  background-color: rgba(255,255,255,0.08) !important;
  color: #e7eaf0 !important;
}

.dark-mode .dropdown-divider {
  border-color: rgba(255,255,255,0.10) !important;
}
/* ===== WhatsApp floating button polish ===== */
.whatsapp-float {
  text-decoration: none !important;  /* ✅ remove underline */
  border: 1px solid rgba(255,255,255,0.18);
  gap: 8px;
  padding: 12px 16px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.whatsapp-float:hover,
.whatsapp-float:focus {
  text-decoration: none !important;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(0,0,0,0.25);
}

/* dark mode whatsapp contrast */
.dark-mode .whatsapp-float {
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 12px 26px rgba(0,0,0,0.55);
}

/* Header spacing polish */
.main-header nav {
  row-gap: 8px;
}

#themeToggle {
  min-height: 36px;
  min-width: 40px;
}
/* ===== Book card CTA layout (mobile-first) ===== */
.custom-book-card .button-group{
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 10px;
}

/* Buy + Cart row */
.custom-book-card .button-row{
  display: flex;
  gap: 10px;
}

/* Touch-friendly buttons */
.custom-book-card .button-group .btn{
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

/* Prevent forms from collapsing */
.custom-book-card .button-row form{
  flex: 1 1 0;
}

/* On very small screens keep gap and avoid wrap issues */
@media (max-width: 360px){
  .custom-book-card .button-row{
    flex-direction: column;
  }
  .custom-book-card .button-row form{
    width: 100% !important;
  }
}
@media (max-width: 480px){
  .whatsapp-float{
    bottom: 16px;
    right: 16px;
    padding: 10px 14px;
  }
}
/* =========================
   DARK MODE (Professional)
   Use .dark-mode on <html>
========================= */
.dark-mode body {
  background: #0b1220;
  color: #e5e7eb;
}

.dark-mode .main-header,
.dark-mode .main-footer,
.dark-mode .bg-white {
  background-color: #0f172a !important;
  color: #e5e7eb !important;
  border-color: rgba(255,255,255,0.08) !important;
}

.dark-mode .main-header a,
.dark-mode .main-footer a,
.dark-mode .nav-link-lite,
.dark-mode .nav-icon-link,
.dark-mode .main-header i {
  color: #e5e7eb !important;
}

.dark-mode .form-control,
.dark-mode input,
.dark-mode textarea,
.dark-mode select {
  background: #0b1220 !important;
  color: #e5e7eb !important;
  border-color: rgba(255,255,255,0.15) !important;
}

.dark-mode .form-control::placeholder {
  color: rgba(229,231,235,0.65);
}

/* Cards / sections */
.dark-mode .card,
.dark-mode .container .shadow-sm,
.dark-mode .shadow-sm {
  background: #0f172a !important;
  color: #e5e7eb !important;
  border-color: rgba(255,255,255,0.08) !important;
}

/* ✅ Fix: Your global .card border is too strong in dashboard dark mode */
.dark-mode .card {
  box-shadow: 0 10px 25px rgba(0,0,0,0.35) !important;
}

/* Book cards text visibility */
.dark-mode .custom-book-card .card-title,
.dark-mode .custom-book-card p,
.dark-mode .custom-book-card small,
.dark-mode .custom-book-card .text-muted {
  color: #e5e7eb !important;
  opacity: 0.92;
}

.dark-mode .custom-book-card del {
  color: rgba(229,231,235,0.65) !important;
}

/* Buttons */
.dark-mode .btn-outline-secondary {
  border-color: rgba(255,255,255,0.25) !important;
  color: #e5e7eb !important;
}
.dark-mode .btn-outline-secondary:hover {
  background: rgba(255,255,255,0.08) !important;
}

/* Dropdown / menu (for main site header too) */
.dark-mode .dropdown-menu {
  background: #0f172a !important;
  border-color: rgba(255,255,255,0.12) !important;
}
.dark-mode .dropdown-item {
  color: #e5e7eb !important;
}
.dark-mode .dropdown-item:hover {
  background: rgba(255,255,255,0.08) !important;
}

/* Minor helpers used in user header */
.nav-link-lite {
  text-decoration: none;
  color: var(--black);
}
.nav-link-lite:hover {
  color: var(--dark-green);
}

.nav-icon-link i { color: var(--black); }

/* ✅ Dashboard book-card buttons: keep aligned on small screens */
.custom-book-card .button-group,
.card-body .button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.custom-book-card .button-group > *,
.card-body .button-group > * {
  flex: 1 1 110px;
  min-width: 110px;
}
/* ✅ Book Card quick stability fixes */
.custom-book-card {
  overflow: hidden;
}
.custom-book-card img {
  display: block;
}
.wishlist-icon {
  z-index: 15;
}
/* =========================
   BOOK CARD (Stable, Mobile-first)
========================= */
.custom-book-card {
  border: 1px solid rgba(0,0,0,0.08) !important;  /* override your thick global card border */
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  transition: transform .2s ease, box-shadow .2s ease;
}

.custom-book-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0,0,0,0.10);
}

.book-cover-link {
  display: block;
  background: #f7f7f7;
}

.book-cover {
  width: 100%;
  height: 220px;
  object-fit: contain;
  display: block;
  padding: 12px;
}

@media (max-width: 480px){
  .book-cover { height: 200px; }
}

.custom-book-card .card-body {
  padding: 12px 12px 14px;
}

.book-title {
  font-size: 16px;
  line-height: 1.25;
  font-weight: 700;
  margin: 2px 0 4px;
}

.book-author {
  font-size: 13px;
  color: rgba(0,0,0,0.65);
  margin: 0 0 6px;
}

.book-rating {
  font-size: 13px;
  margin: 0 0 6px;
}

.book-price {
  margin: 0 0 10px;
}

.book-price del {
  color: rgba(0,0,0,0.45);
  margin-right: 6px;
}

.book-actions .btn {
  white-space: nowrap;
  font-weight: 600;
}

/* Badge */
.book-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  background: #198754;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 8px;
  z-index: 10;
}

/* Wishlist button */
.wishlist-icon-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(0,0,0,0.12);
  background: rgba(255,255,255,0.92);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  z-index: 12;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}

.wishlist-icon-btn:hover {
  transform: scale(1.05);
  background: #fff;
}

.wishlist-icon-btn i {
  color: rgba(0,0,0,0.55);
  font-size: 18px;
}

.wishlist-icon-btn:hover i {
  color: #e74c3c;
}

/* =========================
   DARK MODE SUPPORT (Book card)
========================= */
.dark-mode .custom-book-card {
  background: #0f172a !important;
  border-color: rgba(255,255,255,0.10) !important;
}

.dark-mode .book-cover-link {
  background: #0b1220;
}

.dark-mode .book-author,
.dark-mode .book-rating,
.dark-mode .book-title,
.dark-mode .book-price {
  color: #e5e7eb !important;
}

.dark-mode .book-price del {
  color: rgba(229,231,235,0.65) !important;
}

.dark-mode .wishlist-icon-btn {
  background: rgba(15,23,42,0.92);
  border-color: rgba(255,255,255,0.18);
}

.dark-mode .wishlist-icon-btn i {
  color: rgba(229,231,235,0.85);
}
/* ✅ Green border on hover (Book card only) */
.custom-book-card {
  border: 2px solid rgba(25, 135, 84, 0.35) !important; /* subtle green */
}

.custom-book-card:hover {
  border-color: #198754 !important; /* solid green */
  box-shadow: 0 12px 28px rgba(25, 135, 84, 0.18) !important;
  transform: translateY(-4px);
}
.dark-mode .custom-book-card {
  border-color: rgba(25, 135, 84, 0.28) !important;
}

.dark-mode .custom-book-card:hover {
  border-color: #22c55e !important; /* brighter green */
  box-shadow: 0 12px 28px rgba(34, 197, 94, 0.18) !important;
}
/* =========================
   Sticky footer fix (User pages)
========================= */
html, body {
  height: 100%;
}

body {
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

.main-footer {
  flex-shrink: 0;
}

/* =========================
   WhatsApp floating button (clean)
========================= */
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #25D366;
  color: #fff !important;
  padding: 12px 16px;
  border-radius: 30px;
  font-weight: 600;
  text-decoration: none !important;
  box-shadow: 0 6px 16px rgba(0,0,0,0.25);
}

.whatsapp-float i {
  font-size: 20px;
}

.whatsapp-float:hover {
  background: #1ebe5d;
}

/* Dark mode */
.dark-mode .whatsapp-float {
  background: #22c55e;
}


/* === Cart icon button (Book Card) === */
.cart-icon-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(0,0,0,0.15);
  background: rgba(255,255,255,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 15;
}

.cart-icon-btn i {
  font-size: 18px;
  color: #198754;
  transition: transform 0.15s ease, color 0.15s ease;
}

/* Hover (desktop) */
.cart-icon-btn:hover {
  background: #198754;
  border-color: #198754;
}
.cart-icon-btn:hover i {
  color: #fff;
  transform: scale(1.1);
}

/* Active / click (mobile feedback) */
.cart-icon-btn:active {
  transform: scale(0.92);
  background: #157347;
}
/* Fix mobile card border cutoff */
@media (max-width: 575.98px) {
  .book-grid {
    margin-left: 0;
    margin-right: 0;
  }
}


/* =========================
   MOBILE HEADER POLISH
========================= */
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.header-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: #212121;
}

.header-logo img {
  height: 34px;
}

.header-logo span {
  font-size: 1.05rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-btn {
  position: relative;
  background: none;
  border: none;
  font-size: 18px;
  color: #212121;
}

.cart-badge {
  position: absolute;
  top: -4px;
  right: -6px;
  background: #dc3545;
  color: #fff;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 999px;
}

/* Search row */
.header-search {
  padding: 6px 0 10px;
}

/* Desktop restore */
@media (min-width: 768px) {
  .header-search {
    display: none;
  }

  .header-logo img {
    height: 44px;
  }

  .header-logo span {
    font-size: 1.3rem;
  }
}

/* =========================
   MOBILE HEADER (≤768px)
========================= */

.mobile-header {
  padding: 8px 0;
}

/* Shared */
.mh-row {
  display: flex;
  align-items: center;
  margin-bottom: 6px;
}

/* Row 1 */
.mh-brand {
  justify-content: center;
}
.mh-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.1rem;
}
.mh-logo img {
  height: 34px;
}

/* Row 2 */
.mh-search form {
  display: flex;
  width: 100%;
}
.mh-search input {
  flex: 1;
  padding: 8px 10px;
  border-radius: 8px 0 0 8px;
  border: 1px solid #ccc;
}
.mh-search button {
  border: none;
  background: #198754;
  color: #fff;
  padding: 0 14px;
  border-radius: 0 8px 8px 0;
}

/* Row 3 */
.mh-actions {
  justify-content: space-between;
  padding: 4px 2px;
}
.mh-icon {
  background: none;
  border: none;
  font-size: 18px;
  position: relative;
}
.mh-badge {
  position: absolute;
  top: -6px;
  right: -8px;
  background: red;
  color: #fff;
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 999px;
}

/* Account */
.mh-account {
  position: relative;
}
.mh-account-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 120%;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(0,0,0,.15);
  overflow: hidden;
}
.mh-account-menu a {
  display: block;
  padding: 10px 14px;
  font-size: 14px;
}

/* Drawer */
.mh-drawer {
  display: none;
  flex-direction: column;
  background: #fff;
  border-radius: 12px;
  margin-top: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}
.mh-drawer a {
  padding: 12px 16px;
  border-bottom: 1px solid #eee;
}

/* Desktop unaffected */
@media (min-width: 768px) {
  .mobile-header { display: none; }
}
.mh-drawer.show,
.mh-account-menu.show {
  display: flex;
}
/* ===== Desktop header nav link fix ===== */
.main-header nav a {
  color: #212121 !important;        /* কালো */
  text-decoration: none !important; /* underline বন্ধ */
  font-weight: 500;
}

.main-header nav a:hover {
  color: #2E7D32 !important;        /* hover এ সবুজ */
  text-decoration: none !important;
}

/* =========================
   MOBILE: Logo left align fix
========================= */
@media (max-width: 767px) {
  .main-header .container {
    justify-content: flex-start !important;
    text-align: left !important;
  }

  .main-header a {
    justify-content: flex-start !important;
  }
}