@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@500;600;700&display=swap');

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

:root {
  --tg-background: #f3efe6;
  --tg-panel: #e6dfd2;
  --tg-text: #3d372f;
  --tg-panel-light: rgba(255, 255, 255, 0.38);
  --tg-panel-line: rgba(0, 0, 0, 0.15);
  --tg-panel-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
  --tg-panel-shadow-fade: linear-gradient(
    to bottom,
    rgba(235,205,130,0.18) 0%,
    rgba(235,205,130,0.10) 35%,
    rgba(215,170,80,0.04) 70%,
    rgba(215,170,80,0) 100%
  );
  --tg-panel-pressed: #efe6d4;
  --tg-panel-glow-1: rgba(205,160,70,0.20);
  --tg-panel-glow-2: rgba(205,160,70,0.06);
  --tg-panel-pressed-text: #4a443b;
  --tg-panel-lamp: radial-gradient(
    ellipse at 60% 52%,
    rgba(255,240,190,0.42) 0%,
    rgba(235,200,120,0.22) 38%,
    rgba(215,170,80,0.10) 65%,
    rgba(215,170,80,0.00) 90%
  );
  --tg-panel-edge-top: rgba(255,255,255,0.88);
  --tg-panel-edge-bottom: rgba(120,100,60,0.45);
  --reader-progress: rgba(108, 88, 62, 0.86);
  --bg-library: #f5f5f5;
  --bg-reader: #f3efe6;
  --card-bg: #ffffff;
  --card-border: #e3e3e3;
  --card-highlight: #e8e8e8;
  --text-main: #222222;
  --text-muted: #7f7a73;
  --btn-bg: #e5e5e5;
  --btn-border: #d0d0d0;
  --reader-max-width: 720px;
  --reader-side-padding: 18px;
}

body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: var(--bg-library);
  color: var(--text-main);
}

.hidden {
  display: none !important;
}

h1,
h2,
h3 {
  margin-top: 0;
}

body.library-active {
  background-color: var(--bg-library);
}

body.reader-active {
  background-color: var(--bg-reader);
}

body.admin-active {
  background-color: var(--bg-library);
}

header {
  padding: 12px 16px 8px;
  background: var(--tg-panel);
}

header h1 {
  display: none;
}

header p {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
}

footer {
  padding: 12px 16px 18px;
  color: var(--text-muted);
  font-size: 14px;
}

body.reader-active header,
body.reader-active footer,
body.admin-active header,
body.admin-active footer {
  display: none !important;
}

button {
  display: inline-block;
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border-radius: 10px;
  cursor: pointer;
  background-color: var(--btn-bg);
  color: #333333;
  border: 1px solid var(--btn-border);
  transition: background 0.15s ease, transform 0.05s ease;
}

button:active {
  transform: scale(0.98);
}

#library,
#reader,
#admin {
  padding: 8px 0 24px;
}

.section-row {
  padding: 8px 12px 16px;
}

.section-row h2 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.book-row {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.book-row::-webkit-scrollbar {
  height: 4px;
}

.book-card-compact {
  flex: 0 0 116px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  background-color: var(--card-bg);
  border-radius: 0;
  padding: 0;
  border: 1px solid var(--card-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.book-card-compact .book-cover {
  display: block;
  width: 100%;
  aspect-ratio: 348 / 480;
  object-fit: cover;
  border-radius: 0;
  margin: 0;
  padding: 0;
  background: #f2f2f2;
}

.book-card-compact__body {
  padding: 10px 10px 12px;
}

.book-card-compact .book-title {
  margin: 0 0 4px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.book-card-compact .book-meta {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.2;
}

.book-card-compact:active {
  transform: scale(0.97);
}

.book-card-compact--current {
  background-color: var(--card-highlight);
  border-color: #cfcfcf;
}

#reader {
  position: relative;
  z-index: 1;
  padding: 70px var(--reader-side-padding) 28px;
  background-color: transparent;
}

.reader-toolbar {
  position: fixed;
  top: 10px;
  left: 0;
  right: 0;
  height: 46px;
  z-index: 30;
  pointer-events: none;
}

.reader-toolbar button {
  pointer-events: auto;
  width: auto;
}

.reader-toolbar.reader-toolbar--hidden {
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
}

#reader-title,
#reader-content {
  max-width: var(--reader-max-width);
  margin-left: auto;
  margin-right: auto;
}

#reader-title {
  margin-top: 2px;
  margin-bottom: 4px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 40px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: 0.4px;
  color: #1c1916;
  text-align: left;
}

#reader-title::after {
  content: "";
  display: block;
  width: 180px;
  height: 2px;
  margin-top: 10px;
  background: rgba(0, 0, 0, 0.15);
}

#reader-content {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.reader-meta {
  margin: 0 0 14px;
  padding: 0;
  font-size: 15px;
  color: #8a857d;
  letter-spacing: 0.2px;
  background: transparent;
}

.reader-text-page {
  max-width: 680px;
  margin: 0 auto;
  padding: 10px 18px 8px;
  background: #f7f3ea;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  font-kerning: normal;
  scroll-behavior: smooth;
  overscroll-behavior-y: contain;
  transition: background 0.3s ease;
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

.reader-text-page p {
  margin: 0 0 1.25em;
  text-indent: 0.6em;
  font-size: 18px;
  line-height: 1.72;
  letter-spacing: 0.01em;
  color: #2a2723;
  hanging-punctuation: first;
}

.reader-text-page p:first-letter {
  font-feature-settings: "liga" 1, "kern" 1;
}

.top-progress {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  pointer-events: none;
}

.top-progress__bar {
  height: 100%;
  width: 0%;
  background: var(--reader-progress);
  transition: width 0.08s linear;
}

body.library-active header {
  padding-top: 12px;
}

@media (min-width: 720px) {
  .section-row {
    padding-left: 20px;
    padding-right: 20px;
  }

  #reader {
    padding-left: 24px;
    padding-right: 24px;
  }
}

body.reader-active::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  pointer-events: none;
  z-index: 51;
  background: var(--tg-panel-line);
}

body.reader-active::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 12px;
  pointer-events: none;
  z-index: 50;
  background: var(--tg-panel-shadow-fade);
}

.reader-back {
  --petal-x: 0px;
  position: absolute;
  top: 0;
  left: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  height: 42px;
  padding: 0 18px 0 20px;
  border-radius: 0 999px 999px 0;
  border-left: none;
  background: var(--tg-panel);
  color: var(--tg-text);
  border: none;
  box-shadow:
    var(--tg-panel-shadow),
    inset 0 1px 0 var(--tg-panel-light),
    inset 0 -1.5px 0 var(--tg-panel-line);
  background-clip: padding-box;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transform: translateX(var(--petal-x));
  transition:
    transform 1.02s cubic-bezier(.22,1,.36,1),
    background 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease,
    color 0.18s ease;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  user-select: none;
}

.reader-back--peek {
  --petal-x: 0px;
}

.reader-back--hidden {
  --petal-x: calc(-100% + 18px);
}

.reader-back--peek,
.reader-back--hidden {
  background: var(--tg-panel);
  color: var(--tg-text);
}

.reader-back--pressed {
  background:
    var(--tg-panel-lamp),
    var(--tg-panel-pressed) !important;
  color: var(--tg-panel-pressed-text);
  box-shadow:
    var(--tg-panel-shadow),
    inset 0 1px 0 var(--tg-panel-edge-top),
    inset 0 -1px 0 var(--tg-panel-edge-bottom),
    inset 0 0 14px rgba(255,238,180,0.22),
    0 0 8px var(--tg-panel-glow-1),
    0 0 14px var(--tg-panel-glow-2);
  filter: contrast(1.03);
  transform: translateX(var(--petal-x)) !important;
}

@media (hover: hover) and (pointer: fine) {
  .reader-back:hover {
    color: #433b31;
  }

  .reader-admin-petal:hover {
    color: #433b31;
  }
}

.reader-back:focus,
.reader-back:focus-visible,
.reader-back:active {
  outline: none;
  -webkit-tap-highlight-color: transparent;
  transform: translateX(var(--petal-x)) !important;
}

.reader-admin-petal {
  position: absolute;
  top: 0;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  min-width: 58px;
  height: 42px;
  padding: 0 10px 0 12px;
  border-radius: 999px 0 0 999px;
  background: var(--tg-panel);
  color: var(--tg-text);
  border: none;
  background-clip: padding-box;
  box-shadow:
    var(--tg-panel-shadow),
    inset 0 1px 0 var(--tg-panel-light),
    inset 0 -1.5px 0 var(--tg-panel-line);
  font-size: 18px;
  line-height: 1;
  -webkit-tap-highlight-color: transparent;
  outline: none;
  user-select: none;
}

.reader-admin-petal:focus,
.reader-admin-petal:focus-visible,
.reader-admin-petal:active {
  outline: none;
  -webkit-tap-highlight-color: transparent;
  transform: none !important;
}

.reader-back:active {
  transform: translateX(var(--petal-x)) !important;
}

.reader-admin-petal:active {
  transform: none !important;
}