/* ==========================================================================
   ИЗЛЕЧЕТЕ СЕ САМИ - Веб Апликација за Читање (Mobile & Paper Vintage Reader)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. ИНИЦИЈАЛИЗАЦИЈА & ЦУСТОМ ПРОПЕРТИС (VARIABLES)
   -------------------------------------------------------------------------- */
:root {
  /* Фонтови */
  --font-typewriter-prime: 'Courier Prime', Courier, monospace;
  --font-typewriter-elite: 'Special Elite', 'Courier New', monospace;
  --font-typewriter-cutive: 'Cutive Mono', monospace;
  --font-serif-eb: 'EB Garamond', Georgia, serif;
  
  --font-family: var(--font-typewriter-prime);
  --font-size-base: 18px;
  --line-height-base: 1.75;
  --letter-spacing-base: 0.01em;

  /* Палета за Тема: Стара Хартија (Vintage Paper - Default) */
  --bg-app: #e8ded0;
  --bg-paper: #f5efe3;
  --bg-paper-gradient: radial-gradient(circle, #f9f5eb 0%, #ede3d1 100%);
  --bg-overlay: rgba(232, 222, 208, 0.85);
  --text-color: #24201c;
  --text-muted: #6e6459;
  --border-color: #d8cbb8;
  --accent-gold: #b38038;
  --accent-gold-hover: #966725;
  --paper-shadow: 0 4px 20px rgba(60, 45, 25, 0.12), inset 0 0 60px rgba(180, 150, 110, 0.08);
  --text-ink-shadow: 0.2px 0.2px 0.4px rgba(36, 32, 28, 0.35);
  --card-bg: rgba(255, 255, 255, 0.4);
}

/* Тема 2: Жолтеникава Сепија Хартија (Sepia Paper) */
[data-theme="sepia"] {
  --bg-app: #e0d0b4;
  --bg-paper: #ebdcb9;
  --bg-paper-gradient: radial-gradient(circle, #f3e7c8 0%, #e1cd9f 100%);
  --bg-overlay: rgba(224, 208, 180, 0.88);
  --text-color: #2b1f0d;
  --text-muted: #6b5535;
  --border-color: #c9b38c;
  --accent-gold: #9e6919;
  --accent-gold-hover: #7d500d;
  --paper-shadow: 0 4px 20px rgba(50, 35, 10, 0.15), inset 0 0 60px rgba(160, 120, 50, 0.1);
  --text-ink-shadow: 0.2px 0.2px 0.4px rgba(43, 31, 13, 0.4);
  --card-bg: rgba(255, 255, 255, 0.35);
}

/* Тема 3: Ноќен Ноќен Режим (Dark Night Paper) */
[data-theme="dark"] {
  --bg-app: #141416;
  --bg-paper: #1f1f23;
  --bg-paper-gradient: radial-gradient(circle, #25252a 0%, #19191c 100%);
  --bg-overlay: rgba(20, 20, 22, 0.92);
  --text-color: #d8d4c9;
  --text-muted: #8e8a80;
  --border-color: #333338;
  --accent-gold: #d4af37;
  --accent-gold-hover: #f1c40f;
  --paper-shadow: 0 4px 24px rgba(0, 0, 0, 0.5), inset 0 0 60px rgba(255, 255, 255, 0.02);
  --text-ink-shadow: none;
  --card-bg: rgba(40, 40, 46, 0.6);
}

/* Тема 4: Модерна Бела Хартија (Clean White) */
[data-theme="white"] {
  --bg-app: #f0f0f2;
  --bg-paper: #ffffff;
  --bg-paper-gradient: none;
  --bg-overlay: rgba(255, 255, 255, 0.92);
  --text-color: #1a1a1a;
  --text-muted: #666666;
  --border-color: #e0e0e0;
  --accent-gold: #c59b27;
  --accent-gold-hover: #a37f1c;
  --paper-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  --text-ink-shadow: none;
  --card-bg: #f9f9fb;
}

/* --------------------------------------------------------------------------
   2. ОСНОВНИ СТИЛОВИ & ТЕКСТУРА НА ХАРТИЈА
   -------------------------------------------------------------------------- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Хартиена Текстура SVG Background Noise Overlay */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
  opacity: 0.9;
}

[data-theme="dark"] body::before {
  opacity: 0.2;
}

/* --------------------------------------------------------------------------
   3. ВРВЕН ЛЕНТА (HEADER TOOLBAR) & ПРОГРЕС БАР
   -------------------------------------------------------------------------- */
.top-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(0, 0, 0, 0.08);
  z-index: 1000;
}

.top-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-gold), #e5c158);
  transition: width 0.15s ease-out;
  box-shadow: 0 0 8px var(--accent-gold);
}

.reader-header {
  position: fixed;
  top: 4px;
  left: 0;
  right: 0;
  height: 54px;
  background: var(--bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 900;
  transition: transform 0.3s ease, background 0.3s ease;
}

.header-left, .header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
  max-width: 50%;
}

.header-book-title {
  font-family: var(--font-typewriter-prime);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  color: var(--text-color);
}

.header-chapter-title {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.icon-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-color);
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: all 0.2s ease;
  position: relative;
}

.icon-btn:hover, .icon-btn:active {
  background: rgba(0, 0, 0, 0.05);
  border-color: var(--border-color);
  color: var(--accent-gold);
}

[data-theme="dark"] .icon-btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

.font-step-btn {
  font-family: var(--font-typewriter-prime);
  font-weight: 700;
  font-size: 14px;
}

.badge-count {
  position: absolute;
  top: 2px;
  right: 2px;
  background: var(--accent-gold);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* --------------------------------------------------------------------------
   4. ГЛАВЕН КОНТЕЈНЕР ЗА ЛИСТ ХАРТИЈА (PAPER SHEET READER)
   -------------------------------------------------------------------------- */
.reader-container {
  width: 100%;
  max-width: 760px;
  margin-top: 70px;
  margin-bottom: 90px;
  padding: 0 12px;
  z-index: 2;
  flex: 1;
}

.paper-sheet {
  background-color: var(--bg-paper);
  background-image: var(--bg-paper-gradient);
  border-radius: 4px;
  padding: 40px 32px;
  box-shadow: var(--paper-shadow);
  border: 1px solid var(--border-color);
  position: relative;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

@media (max-width: 600px) {
  .paper-sheet {
    padding: 28px 18px;
    border-radius: 2px;
  }
}

.book-header-cover {
  text-align: center;
  padding-bottom: 32px;
  margin-bottom: 36px;
  border-bottom: 2px dashed var(--border-color);
  position: relative;
}

.book-main-title {
  font-family: var(--font-family);
  font-size: calc(var(--font-size-base) * 1.6);
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  color: var(--text-color);
  text-shadow: var(--text-ink-shadow);
  text-transform: uppercase;
}

.book-author-subtitle {
  font-size: calc(var(--font-size-base) * 1.05);
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.book-meta-pills {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.meta-pill {
  font-size: 12px;
  padding: 4px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --------------------------------------------------------------------------
   5. ПОГЛАВЈА И ПАРАГРАФИ (TYPOGRAPHY & READING FORMAT)
   -------------------------------------------------------------------------- */
.chapter-block {
  margin-bottom: 48px;
}

.chapter-header {
  margin-top: 36px;
  margin-bottom: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  position: relative;
}

.chapter-number-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-gold);
  margin-bottom: 6px;
  display: block;
}

.chapter-title {
  font-family: var(--font-family);
  font-size: calc(var(--font-size-base) * 1.35);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-color);
  text-shadow: var(--text-ink-shadow);
}

.reader-paragraph {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  letter-spacing: var(--letter-spacing-base);
  color: var(--text-color);
  text-shadow: var(--text-ink-shadow);
  margin-bottom: 24px;
  position: relative;
  transition: background-color 0.2s ease;
  padding: 6px 8px 24px 8px;
  border-radius: 4px;
}

.para-content {
  text-align: justify;
  text-indent: 1cm;
  hyphens: auto;
}

.reader-paragraph:hover {
  background: rgba(179, 128, 56, 0.05);
}

.reader-paragraph.highlight-search {
  background: rgba(255, 235, 150, 0.45);
  border-left: 3px solid var(--accent-gold);
}

.para-bookmark-btn {
  opacity: 0;
  position: absolute;
  bottom: 2px;
  right: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2px 8px;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
  font-family: var(--font-typewriter-prime);
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.2s ease;
  z-index: 5;
}

.reader-paragraph:hover .para-bookmark-btn,
.para-bookmark-btn.bookmarked {
  opacity: 1;
}

.para-bookmark-btn.bookmarked {
  color: var(--accent-gold);
  border-color: var(--accent-gold);
  background: rgba(179, 128, 56, 0.12);
}

@media (max-width: 600px) {
  .para-bookmark-btn {
    opacity: 0.6;
  }
}

/* --------------------------------------------------------------------------
   6. ПЛОВНО БОТОМ БАЏ (FLOATING MOBILE BOTTOM BAR)
   -------------------------------------------------------------------------- */
.floating-bottom-bar {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-overlay);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  padding: 6px 16px;
  border-radius: 30px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 850;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.progress-text-pill {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 6px;
}

.progress-time-est {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: normal;
}

.floating-action-btn {
  background: var(--accent-gold);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(179, 128, 56, 0.4);
  transition: transform 0.2s ease, background 0.2s ease;
}

.floating-action-btn:active {
  transform: scale(0.92);
}

/* --------------------------------------------------------------------------
   7. МОДАЛНИ СТРАНИ И ФИОКИ (DRAWERS & MODALS)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.drawer-panel {
  position: fixed;
  top: 0; bottom: 0;
  width: 85%;
  max-width: 380px;
  background: var(--bg-paper);
  border-right: 1px solid var(--border-color);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.drawer-left {
  left: 0;
  transform: translateX(-100%);
}

.drawer-left.active {
  transform: translateX(0);
}

.drawer-right {
  right: 0;
  left: auto;
  border-right: none;
  border-left: 1px solid var(--border-color);
  transform: translateX(100%);
}

.drawer-right.active {
  transform: translateX(0);
}

.drawer-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(0, 0, 0, 0.02);
}

.drawer-title {
  font-family: var(--font-typewriter-prime);
  font-size: 16px;
  font-weight: 700;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 8px;
}

.drawer-body {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
}

.toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.toc-item {
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: all 0.2s ease;
}

.toc-item:hover, .toc-item:active {
  background: var(--card-bg);
  border-color: var(--border-color);
}

.toc-item.active {
  background: rgba(179, 128, 56, 0.12);
  border-color: var(--accent-gold);
}

.toc-item-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-color);
  line-height: 1.3;
}

.toc-item-meta {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* --------------------------------------------------------------------------
   8. ПОДЕСУВАЊА & ТЕМИ (SETTINGS & CONTROLS)
   -------------------------------------------------------------------------- */
.settings-section {
  margin-bottom: 24px;
}

.settings-label {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
  display: block;
}

.themes-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.theme-card-btn {
  padding: 12px;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-color);
  transition: all 0.2s ease;
}

.theme-card-btn.active {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px var(--accent-gold);
}

.theme-preview-dot {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.dot-vintage { background: #f5efe3; }
.dot-sepia { background: #ebdcb9; }
.dot-dark { background: #1f1f23; }
.dot-white { background: #ffffff; }

.fonts-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.font-option-btn {
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--card-bg);
  color: var(--text-color);
  font-size: 14px;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.font-option-btn.active {
  border-color: var(--accent-gold);
  font-weight: 700;
  color: var(--accent-gold);
}

/* --------------------------------------------------------------------------
   9. ПРЕБАРУВАЧ & ОБЕЛЕЖУВАЧИ (SEARCH & BOOKMARKS MODAL)
   -------------------------------------------------------------------------- */
.bottom-sheet-modal {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  max-height: 80vh;
  background: var(--bg-paper);
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.bottom-sheet-modal.active {
  transform: translateY(0);
}

.sheet-handle {
  width: 40px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
  margin: 10px auto 4px auto;
}

.search-input-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 12px;
}

.search-input-box input {
  border: none;
  background: transparent;
  font-family: var(--font-family);
  font-size: 15px;
  color: var(--text-color);
  width: 100%;
  outline: none;
}

.search-results-list, .bookmarks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 50vh;
  overflow-y: auto;
}

.search-result-card, .bookmark-card {
  padding: 12px 14px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.search-result-card:hover, .bookmark-card:hover {
  border-color: var(--accent-gold);
}

.result-chapter-tag {
  font-size: 11px;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 4px;
}

.result-snippet {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-color);
}

.result-snippet mark {
  background: rgba(229, 193, 88, 0.4);
  color: inherit;
  font-weight: bold;
  padding: 0 2px;
}

/* --------------------------------------------------------------------------
   10. ТОАСТ ИЗВЕСТУВАЊЕ (RESTORE TOAST)
   -------------------------------------------------------------------------- */
.toast-notification {
  position: fixed;
  top: 70px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--text-color);
  color: var(--bg-paper);
  padding: 10px 20px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast-notification.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}