/* ============================================================
   Reading Diary – Main Stylesheet
   ============================================================ */

/* ── Custom Properties ── */
:root {
  --bg: #f1f5f9;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --sidebar-w: 240px;
  --sidebar-bg: #1e293b;
  --sidebar-text: #94a3b8;
  --sidebar-active-bg: rgba(59,130,246,.15);
  --sidebar-active-text: #60a5fa;
  --topbar-h: 60px;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.12);
  --status-read: #22c55e;
  --status-reading: #3b82f6;
  --status-unread: #94a3b8;
  --transition: .2s ease;
}

[data-bs-theme="dark"] {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #0f172a;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --border: #334155;
  --sidebar-bg: #0a1020;
}

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

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

/* ── Sidebar ── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: var(--sidebar-w);
  height: 100vh;
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--transition);
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 16px 16px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.sidebar-logo {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 1rem;
  flex-shrink: 0;
}

.sidebar-title {
  color: #fff;
  font-weight: 700;
  font-size: .95rem;
  letter-spacing: .02em;
  white-space: nowrap;
}

.sidebar-close {
  margin-left: auto;
  color: var(--sidebar-text);
  background: none; border: none;
  font-size: 1.1rem;
  padding: 4px 6px;
}

.sidebar-nav {
  list-style: none;
  padding: 12px 8px;
  margin: 0;
  flex: 1;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: .875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
}

.sidebar-nav li a i {
  width: 18px;
  text-align: center;
  font-size: .95rem;
  flex-shrink: 0;
}

/* Goal in sidebar */
.sidebar-goal {
  margin: 0 12px 12px;
  padding: 12px;
  background: rgba(59,130,246,.08);
  border-radius: 10px;
  border: 1px solid rgba(59,130,246,.2);
}

.sidebar-goal .goal-label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: #60a5fa;
  font-size: .8rem;
  font-weight: 600;
}

.sidebar-goal .progress {
  height: 5px;
  background: rgba(255,255,255,.1);
  border-radius: 9999px;
  overflow: hidden;
  margin-top: 6px;
}

.sidebar-goal .progress-bar {
  background: var(--accent);
  border-radius: 9999px;
  transition: width .5s ease;
}

.sidebar-goal small {
  display: block;
  margin-top: 4px;
  color: var(--sidebar-text);
  font-size: .73rem;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.06);
}

.logout-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--sidebar-text) !important;
  background: none;
  border: none;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: .875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}

.logout-btn:hover {
  background: rgba(239,68,68,.1);
  color: #f87171 !important;
}

/* ── Sidebar overlay (mobile) ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 999;
  backdrop-filter: blur(2px);
}

.sidebar-overlay.show { display: block; }

/* ── Main Wrapper ── */
.main-wrapper {
  margin-left: var(--sidebar-w);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin var(--transition);
}

/* ── Topbar ── */
.topbar {
  position: sticky;
  top: 0;
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 12px;
  z-index: 100;
  box-shadow: var(--shadow);
}

.topbar-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.1rem;
  padding: 6px 8px;
  border-radius: 8px;
}

.topbar-toggle:hover { background: var(--border); }

.topbar-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
  flex: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: .9rem;
  transition: background var(--transition), border-color var(--transition);
}

.theme-toggle:hover { background: var(--border); }

/* ── Content ── */
.content {
  padding: 24px;
  flex: 1;
}

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: background var(--transition), border-color var(--transition);
}

.card-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

/* Stat card (dashboard) */
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.stat-icon.blue  { background: rgba(59,130,246,.15); color: #3b82f6; }
.stat-icon.green { background: rgba(34,197,94,.15); color: #22c55e; }
.stat-icon.purple{ background: rgba(168,85,247,.15); color: #a855f7; }
.stat-icon.amber { background: rgba(245,158,11,.15); color: #f59e0b; }

.stat-label { font-size: .78rem; color: var(--text-muted); font-weight: 500; }
.stat-value { font-size: 1.7rem; font-weight: 800; line-height: 1.1; color: var(--text); }

/* ── Book Cards ── */
.book-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .15s ease, box-shadow .15s ease;
  cursor: pointer;
  height: 100%;
}

.book-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.book-cover {
  width: 100%;
  aspect-ratio: 2/3;
  object-fit: cover;
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.book-cover-placeholder {
  width: 100%;
  aspect-ratio: 2/3;
  background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
}

.book-cover-placeholder i {
  font-size: 2rem;
  color: rgba(255,255,255,.3);
}

.book-cover-placeholder span {
  font-size: .7rem;
  color: rgba(255,255,255,.5);
  text-align: center;
  word-break: break-word;
  line-height: 1.3;
}

.book-info {
  padding: 12px;
}

.book-title {
  font-weight: 700;
  font-size: .85rem;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-author {
  font-size: .75rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

/* ── Status Badges ── */
.badge-status-gelesen   { background: rgba(34,197,94,.15); color: #22c55e; border: 1px solid rgba(34,197,94,.3); }
.badge-status-am-lesen  { background: rgba(59,130,246,.15); color: #60a5fa; border: 1px solid rgba(59,130,246,.3); }
.badge-status-am-hoeren { background: rgba(168,85,247,.15); color: #a855f7; border: 1px solid rgba(168,85,247,.3); }
.badge-status-ungelesen { background: rgba(148,163,184,.15); color: #94a3b8; border: 1px solid rgba(148,163,184,.3); }

.status-badge {
  font-size: .68rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

/* ── Table ── */
.rd-table {
  width: 100%;
  border-collapse: collapse;
}

.rd-table th {
  font-size: .75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.rd-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: .875rem;
  color: var(--text);
  vertical-align: middle;
}

.rd-table tr:last-child td { border-bottom: none; }
.rd-table tr:hover td { background: rgba(59,130,246,.04); }

/* ── Search bar ── */
.search-bar {
  position: relative;
}

.search-bar input {
  padding-left: 40px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  font-size: .875rem;
}

.search-bar input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(59,130,246,.1);
  outline: none;
}

.search-bar .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  font-size: .9rem;
}

/* ── Autocomplete ── */
.autocomplete-wrap { position: relative; }

.autocomplete-list {
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: var(--shadow-lg);
  list-style: none;
  margin: 0; padding: 4px;
  z-index: 1100;
  max-height: 200px;
  overflow-y: auto;
}

.autocomplete-item {
  padding: 8px 12px;
  border-radius: 7px;
  cursor: pointer;
  font-size: .875rem;
  color: var(--text);
  transition: background var(--transition);
}

.autocomplete-item:hover { background: rgba(59,130,246,.1); color: var(--accent); }
.autocomplete-new { color: #22c55e; }

/* ── Star / Rating ── */
.star-row {
  display: flex;
  gap: 4px;
}

.star-btn {
  background: none;
  border: none;
  font-size: 1.3rem;
  color: var(--border);
  cursor: pointer;
  padding: 0;
  transition: color .1s, transform .1s;
  line-height: 1;
}

.star-btn.active, .star-btn.hover { color: #f59e0b; transform: scale(1.1); }

.spice-btn { color: var(--border); }
.spice-btn.active, .spice-btn.hover { color: #ef4444; }

.tension-slider {
  width: 100%;
  accent-color: var(--accent);
}

/* ── Reading Progress ── */
.progress-bar-book {
  height: 8px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.progress-bar-book-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #818cf8);
  border-radius: 999px;
  transition: width .5s ease;
}

.progress-history-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--bg);
  margin-bottom: 6px;
  font-size: .8rem;
}

.delta-positive { color: #22c55e; font-weight: 700; }
.delta-negative { color: #ef4444; font-weight: 700; }

/* ── Quotes ── */
.quote-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  position: relative;
}

.quote-card::before {
  content: '\201C';
  font-size: 4rem;
  line-height: .5;
  color: var(--accent);
  opacity: .3;
  position: absolute;
  top: 12px; left: 16px;
  font-family: Georgia, serif;
}

.quote-text {
  font-size: .95rem;
  font-style: italic;
  color: var(--text);
  line-height: 1.7;
  padding-left: 8px;
  margin-top: 16px;
}

.quote-meta {
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── Modals ── */
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--text);
}

.modal-header {
  border-bottom: 1px solid var(--border);
  padding: 16px 20px;
}

.modal-title { font-weight: 700; font-size: 1rem; }

.modal-footer {
  border-top: 1px solid var(--border);
  padding: 12px 20px;
}

/* ── Form controls ── */
.form-control, .form-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  font-size: .875rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-control:focus, .form-select:focus {
  background: var(--bg-input);
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 0 3px rgba(59,130,246,.12);
}

.form-label {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* ── Buttons ── */
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
  border-radius: 8px;
}

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-outline-primary {
  color: var(--accent);
  border-color: var(--accent);
  border-radius: 8px;
  font-weight: 600;
}

.btn-outline-primary:hover {
  background: var(--accent);
  border-color: var(--accent);
}

/* ── Tabs (book detail sections) ── */
.section-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

.section-title {
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title i { color: var(--accent); }

/* ── Cover preview in form ── */
.cover-preview {
  width: 80px;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--border);
}

/* ── Scanner container ── */
#qr-reader {
  border-radius: 12px;
  overflow: hidden;
  border: 2px solid var(--accent) !important;
}

#qr-reader img { display: none !important; }

/* ── Quill editor ── */
.ql-toolbar {
  background: var(--bg);
  border: 1px solid var(--border) !important;
  border-radius: 8px 8px 0 0 !important;
}

.ql-container {
  border: 1px solid var(--border) !important;
  border-top: none !important;
  border-radius: 0 0 8px 8px !important;
  background: var(--bg-input);
  color: var(--text);
  font-size: .875rem;
  min-height: 200px;
}

.ql-editor { min-height: 180px; }

[data-bs-theme="dark"] .ql-toolbar .ql-stroke { stroke: var(--sidebar-text); }
[data-bs-theme="dark"] .ql-toolbar .ql-fill  { fill: var(--sidebar-text); }
[data-bs-theme="dark"] .ql-toolbar .ql-picker-label { color: var(--sidebar-text); }

/* ── Toast ── */
.toast-container { z-index: 9999; }

/* ── Chart wrapper ── */
.chart-wrapper {
  position: relative;
  height: 280px;
}

/* ── Wishlist specific ── */
.wishlist-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(calc(-1 * var(--sidebar-w)));
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-lg);
  }

  .main-wrapper { margin-left: 0; }

  .topbar-toggle { display: block; }

  .content { padding: 16px; }

  .stat-value { font-size: 1.4rem; }

  .book-cover-placeholder { aspect-ratio: auto; min-height: 120px; }
}

@media (max-width: 576px) {
  .content { padding: 12px; }
  .topbar { padding: 0 12px; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ── Animations ── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeIn .25s ease forwards; }

/* ── Nav pills in modals ── */
.nav-pills .nav-link {
  color: var(--text-muted);
  border-radius: 8px;
  font-size: .83rem;
  font-weight: 600;
}

.nav-pills .nav-link.active {
  background: var(--accent);
  color: #fff;
}

/* ── Section dividers ── */
.rd-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

/* ── Page header row ── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.page-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  flex: 1;
}

/* ── Detail book hero ── */
.book-hero {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.book-hero-cover {
  width: 130px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.book-hero-cover img,
.book-hero-cover .book-cover-placeholder {
  width: 100%;
  border-radius: 10px;
}

.book-hero-info { flex: 1; min-width: 200px; }
.book-hero-title { font-size: 1.5rem; font-weight: 800; line-height: 1.2; margin-bottom: 6px; }
.book-hero-author { font-size: 1rem; color: var(--text-muted); margin-bottom: 10px; }
.book-hero-meta { font-size: .82rem; color: var(--text-muted); }
.book-hero-meta span { margin-right: 14px; }
.book-hero-meta i { margin-right: 4px; color: var(--accent); }

/* ── Cover Upload Zone ── */
.cover-upload-zone {
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  min-height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.cover-upload-zone:hover,
.cover-upload-zone.drag-over {
  border-color: var(--accent);
  background: rgba(59,130,246,.06);
}

.cover-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  pointer-events: none;
}

.cover-upload-content i {
  font-size: 2rem;
  color: var(--accent);
  opacity: .5;
}

.cover-upload-content span { font-weight: 600; font-size: .875rem; }
.cover-upload-content small { font-size: .73rem; }

.cover-upload-preview {
  max-height: 200px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 8px;
}

/* ── Required marker ── */
.required-star { color: #ef4444; margin-left: 2px; }

/* -- View toggle active state -- */
.btn-group .btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* -- Hover effect for list/shelf items -- */
.bg-hover { background: var(--bg-hover, rgba(255,255,255,.05)); }