/* ═══════════════════════════════════════════
   Redoan Asif Risan — Book & Journal Theme
   Deep ink-blue + parchment + stamp badges
   ═══════════════════════════════════════════ */
:root {
  --ink: #0b1426;
  --ink-soft: #132038;
  --ink-card: #1a2a45;
  --parchment: #f4e8d0;
  --parchment-dim: #e8d9b8;
  --gold: #c9a227;
  --gold-light: #e8c547;
  --accent: #d4a574;
  --stamp: #b33a3a;
  --text: #f0e6d2;
  --text-muted: #a89878;
  --success: #3d8b5f;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --font-bn: "Noto Sans Bengali", "Hind Siliguri", system-ui, sans-serif;
  --font-display: "Noto Serif Bengali", "Noto Sans Bengali", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-bn);
  background: var(--ink);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.7;
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(201,162,39,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(179,58,58,0.06) 0%, transparent 40%);
}

a { color: var(--gold-light); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold); }

img { max-width: 100%; height: auto; display: block; }

/* ─── Layout ─── */
.container { width: min(1100px, 92%); margin: 0 auto; }
.site-header {
  background: rgba(11,20,38,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(201,162,39,0.2);
  position: sticky; top: 0; z-index: 100;
  padding: 0.9rem 0;
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.logo {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 700;
  color: var(--parchment);
  letter-spacing: 0.02em;
}
.logo span { color: var(--gold); }
.nav-links { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: center; }
.nav-links a {
  color: var(--text-muted); font-size: 0.95rem; font-weight: 500;
}
.nav-links a:hover, .nav-links a.active { color: var(--gold-light); }

/* ─── Hero ─── */
.hero {
  padding: 3.5rem 0 2.5rem;
  text-align: center;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--parchment);
  margin-bottom: 0.6rem;
}
.hero p { color: var(--text-muted); font-size: 1.05rem; max-width: 520px; margin: 0 auto; }

/* ─── Search ─── */
.search-wrap {
  max-width: 420px; margin: 1.5rem auto 0; position: relative;
}
.search-wrap input {
  width: 100%;
  padding: 0.85rem 1.1rem 0.85rem 2.8rem;
  border: 1px solid rgba(201,162,39,0.35);
  border-radius: 50px;
  background: var(--ink-soft);
  color: var(--parchment);
  font-family: var(--font-bn);
  font-size: 1rem;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-wrap input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,162,39,0.15);
}
.search-wrap input::placeholder { color: var(--text-muted); }
.search-icon {
  position: absolute; left: 1rem; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 1.1rem; pointer-events: none;
}

/* ─── Book Grid ─── */
.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.75rem;
  padding: 2rem 0 4rem;
}
.book-card {
  background: var(--ink-card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(201,162,39,0.12);
  box-shadow: var(--shadow);
  transition: transform .25s, border-color .25s;
  position: relative;
  display: flex; flex-direction: column;
}
.book-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201,162,39,0.4);
}
.book-cover {
  aspect-ratio: 3/4;
  background: var(--ink-soft);
  overflow: hidden;
  position: relative;
}
.book-cover img {
  width: 100%; height: 100%; object-fit: cover;
}
.book-cover .placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(145deg, #1e3050, #0f1a2e);
  color: var(--text-muted); font-size: 3rem;
}
.stamp-badge {
  position: absolute; top: 12px; right: 12px;
  background: var(--stamp);
  color: #fff;
  font-size: 0.75rem; font-weight: 700;
  padding: 0.35rem 0.6rem;
  border-radius: 4px;
  transform: rotate(8deg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  letter-spacing: 0.03em;
  border: 1.5px dashed rgba(255,255,255,0.4);
}
.book-body { padding: 1.1rem 1.15rem 1.25rem; flex: 1; display: flex; flex-direction: column; }
.book-title {
  font-family: var(--font-display);
  font-size: 1.15rem; font-weight: 700;
  color: var(--parchment);
  margin-bottom: 0.25rem;
  line-height: 1.35;
}
.book-author { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.6rem; }
.book-summary {
  font-size: 0.88rem; color: var(--text-muted);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden; margin-bottom: 0.9rem; flex: 1;
}
.book-price-row {
  display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 0.85rem;
}
.price-now { font-size: 1.25rem; font-weight: 700; color: var(--gold-light); }
.price-old { font-size: 0.9rem; color: var(--text-muted); text-decoration: line-through; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  padding: 0.7rem 1.2rem;
  border: none; border-radius: 8px;
  font-family: var(--font-bn); font-size: 0.95rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--gold), #a8861e);
  color: #1a1205;
  width: 100%;
}
.btn-primary:hover { filter: brightness(1.1); transform: scale(1.02); }
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(201,162,39,0.5);
  color: var(--gold-light);
}
.btn-outline:hover { background: rgba(201,162,39,0.1); }
.btn-danger { background: var(--stamp); color: #fff; }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.85rem; }

/* ─── Empty / Loading ─── */
.empty-state, .loading {
  text-align: center; padding: 4rem 1rem; color: var(--text-muted);
}
.loading::after {
  content: ""; display: inline-block; width: 28px; height: 28px;
  border: 3px solid rgba(201,162,39,0.3); border-top-color: var(--gold);
  border-radius: 50%; animation: spin .7s linear infinite; margin-left: 0.5rem;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Modal ─── */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 200; padding: 1rem;
  opacity: 0; visibility: hidden; transition: all .25s;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
  background: var(--ink-card);
  border: 1px solid rgba(201,162,39,0.25);
  border-radius: 16px;
  width: min(440px, 100%);
  max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: translateY(20px); transition: transform .25s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.2rem 1.4rem; border-bottom: 1px solid rgba(201,162,39,0.15);
}
.modal-header h2 { font-size: 1.2rem; color: var(--parchment); font-family: var(--font-display); }
.modal-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 1.5rem; cursor: pointer; line-height: 1;
}
.modal-close:hover { color: var(--parchment); }
.modal-body { padding: 1.4rem; }
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block; font-size: 0.88rem; color: var(--text-muted);
  margin-bottom: 0.35rem;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 0.7rem 0.9rem;
  border: 1px solid rgba(201,162,39,0.3);
  border-radius: 8px;
  background: var(--ink-soft);
  color: var(--parchment);
  font-family: var(--font-bn); font-size: 0.95rem;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--gold);
}
.form-group textarea { min-height: 90px; resize: vertical; }
.pay-options { display: flex; flex-direction: column; gap: 0.6rem; margin: 0.8rem 0; }
.pay-option {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.75rem 1rem;
  border: 1.5px solid rgba(201,162,39,0.25);
  border-radius: 10px; cursor: pointer;
  transition: border-color .2s, background .2s;
}
.pay-option:hover, .pay-option.selected {
  border-color: var(--gold);
  background: rgba(201,162,39,0.08);
}
.pay-option input { accent-color: var(--gold); }
.pay-info {
  background: var(--ink-soft);
  border-radius: 8px; padding: 0.9rem 1rem;
  font-size: 0.9rem; color: var(--text-muted);
  margin-top: 0.5rem; display: none;
}
.pay-info.show { display: block; }
.pay-info strong { color: var(--gold-light); }

/* ─── WhatsApp Float ─── */
.wa-float {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 150;
  width: 56px; height: 56px; border-radius: 50%;
  background: #25d366; color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  font-size: 1.7rem; transition: transform .2s;
}
.wa-float:hover { transform: scale(1.1); color: #fff; }

/* ─── Footer ─── */
.site-footer {
  border-top: 1px solid rgba(201,162,39,0.15);
  padding: 2rem 0; text-align: center;
  color: var(--text-muted); font-size: 0.9rem;
}
.site-footer a { color: var(--gold); }

/* ─── Author / Main site ─── */
.author-section { padding: 3rem 0; }
.author-card {
  display: grid; grid-template-columns: 180px 1fr; gap: 2rem;
  background: var(--ink-card); border-radius: 16px;
  padding: 2rem; border: 1px solid rgba(201,162,39,0.15);
  align-items: start;
}
.author-photo {
  width: 180px; height: 180px; border-radius: 50%;
  object-fit: cover; border: 3px solid var(--gold);
  background: var(--ink-soft);
}
.author-photo.placeholder {
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem; color: var(--text-muted);
}
.author-bio h2 {
  font-family: var(--font-display); font-size: 1.6rem;
  color: var(--parchment); margin-bottom: 0.5rem;
}
.author-bio p { color: var(--text-muted); margin-bottom: 1rem; }
.quick-links {
  display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem;
}
.quick-links .btn { width: auto; padding: 0.75rem 1.5rem; }

.contact-box {
  margin-top: 2.5rem;
  background: var(--ink-soft);
  border-radius: 12px; padding: 1.5rem;
  border: 1px solid rgba(201,162,39,0.15);
  text-align: center;
}
.contact-box h3 { color: var(--gold); margin-bottom: 0.5rem; }
.contact-box a { font-size: 1.15rem; font-weight: 600; }

/* ─── Journal ─── */
.journal-list { padding: 2rem 0 4rem; display: flex; flex-direction: column; gap: 1.25rem; }
.journal-card {
  background: var(--ink-card);
  border: 1px solid rgba(201,162,39,0.12);
  border-radius: var(--radius);
  padding: 1.4rem 1.6rem;
  transition: border-color .2s, transform .2s;
}
.journal-card:hover {
  border-color: rgba(201,162,39,0.4);
  transform: translateX(4px);
}
.journal-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem; color: var(--parchment); margin-bottom: 0.3rem;
}
.journal-meta { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 0.6rem; }
.journal-excerpt {
  color: var(--text-muted); font-size: 0.95rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.journal-entry {
  max-width: 720px; margin: 0 auto; padding: 2.5rem 0 4rem;
}
.journal-entry h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.1rem);
  color: var(--parchment); margin-bottom: 0.5rem;
}
.journal-entry .meta { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.journal-entry .content {
  color: var(--text); font-size: 1.05rem; line-height: 1.85;
  white-space: pre-wrap;
}
.journal-entry .content p { margin-bottom: 1rem; }

/* ─── Admin Panel ─── */
.admin-body { background: #0a101c; }
.admin-login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
}
.login-card {
  background: var(--ink-card);
  border: 1px solid rgba(201,162,39,0.25);
  border-radius: 16px; padding: 2.2rem;
  width: min(380px, 100%);
  box-shadow: var(--shadow);
}
.login-card h1 {
  font-family: var(--font-display);
  text-align: center; color: var(--parchment);
  font-size: 1.4rem; margin-bottom: 0.3rem;
}
.login-card .sub { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.5rem; }
.login-error {
  background: rgba(179,58,58,0.2); border: 1px solid var(--stamp);
  color: #f5a0a0; padding: 0.7rem; border-radius: 8px;
  font-size: 0.9rem; margin-bottom: 1rem; display: none;
}
.login-error.show { display: block; }

.admin-shell { display: none; min-height: 100vh; }
.admin-shell.show { display: flex; flex-direction: column; }
.admin-topbar {
  background: var(--ink-soft);
  border-bottom: 1px solid rgba(201,162,39,0.2);
  padding: 0.8rem 1.25rem;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem;
}
.admin-topbar h1 { font-size: 1.15rem; color: var(--parchment); font-family: var(--font-display); }
.admin-tabs {
  display: flex; gap: 0.3rem; flex-wrap: wrap;
  background: var(--ink); padding: 0.6rem 1rem;
  border-bottom: 1px solid rgba(201,162,39,0.12);
}
.admin-tab {
  padding: 0.5rem 1rem; border: none; border-radius: 8px;
  background: transparent; color: var(--text-muted);
  font-family: var(--font-bn); font-size: 0.9rem; font-weight: 600;
  cursor: pointer; transition: all .2s;
}
.admin-tab:hover { color: var(--parchment); background: rgba(201,162,39,0.08); }
.admin-tab.active { background: rgba(201,162,39,0.18); color: var(--gold-light); }
.admin-content { flex: 1; padding: 1.5rem; max-width: 1000px; width: 100%; margin: 0 auto; }
.admin-panel { display: none; }
.admin-panel.active { display: block; }
.panel-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem; flex-wrap: wrap; gap: 0.75rem;
}
.panel-header h2 { font-size: 1.25rem; color: var(--parchment); font-family: var(--font-display); }
.autosave-badge {
  font-size: 0.8rem; color: var(--success);
  opacity: 0; transition: opacity .3s;
}
.autosave-badge.show { opacity: 1; }
.admin-table-wrap { overflow-x: auto; }
table.admin-table {
  width: 100%; border-collapse: collapse; font-size: 0.9rem;
}
.admin-table th, .admin-table td {
  padding: 0.7rem 0.8rem; text-align: left;
  border-bottom: 1px solid rgba(201,162,39,0.12);
}
.admin-table th { color: var(--gold); font-weight: 600; white-space: nowrap; }
.admin-table td { color: var(--text); }
.admin-table tr:hover td { background: rgba(201,162,39,0.04); }
.admin-table img.thumb {
  width: 40px; height: 56px; object-fit: cover; border-radius: 4px;
}
.status-select {
  padding: 0.3rem 0.5rem; border-radius: 6px;
  background: var(--ink-soft); color: var(--parchment);
  border: 1px solid rgba(201,162,39,0.3); font-family: var(--font-bn); font-size: 0.85rem;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-card {
  background: var(--ink-card);
  border: 1px solid rgba(201,162,39,0.15);
  border-radius: 12px; padding: 1.4rem; margin-bottom: 1.5rem;
}
.form-card h3 { color: var(--gold); margin-bottom: 1rem; font-size: 1.05rem; }
.toggle-row {
  display: flex; align-items: center; gap: 0.6rem; margin-top: 0.5rem;
}
.toggle-row input { accent-color: var(--gold); width: auto; }

/* ─── Responsive ─── */
@media (max-width: 700px) {
  .author-card { grid-template-columns: 1fr; text-align: center; }
  .author-photo, .author-photo.placeholder { margin: 0 auto; }
  .form-row { grid-template-columns: 1fr; }
  .books-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 1rem; }
  .nav-links { gap: 0.8rem; font-size: 0.88rem; }
  .admin-tabs { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
}
@media (max-width: 480px) {
  .hero { padding: 2rem 0 1.5rem; }
  .book-body { padding: 0.9rem; }
}