:root {
  --reader-scale: 1;
  --bg: #11110f;
  --panel: #191916;
  --panel-strong: #22211d;
  --paper: #fbfaf6;
  --paper-muted: #e8e0d2;
  --text: #f6f0e6;
  --text-soft: #bcb2a2;
  --ink: #191714;
  --ink-soft: #665e53;
  --accent: #d85143;
  --accent-2: #44afa0;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="paper"] {
  --bg: #f3efe6;
  --panel: #ffffff;
  --panel-strong: #ebe4d7;
  --paper: #ffffff;
  --paper-muted: #ede6da;
  --text: #1c1915;
  --text-soft: #6f6558;
  --ink: #1c1915;
  --ink-soft: #5e554b;
  --line: rgba(45, 37, 27, 0.14);
  --shadow: 0 18px 60px rgba(75, 58, 39, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(120deg, rgba(216, 81, 67, 0.15), transparent 32%),
    linear-gradient(240deg, rgba(68, 175, 160, 0.14), transparent 34%),
    var(--bg);
  color: var(--text);
}

button,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.app-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px clamp(16px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  line-height: 1.1;
}

.brand small {
  color: var(--text-soft);
  font-size: 0.82rem;
}

.reader-tools {
  display: flex;
  gap: 8px;
}

.icon-button,
.chapter-nav button,
.chapter-nav select {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
}

.icon-button {
  min-width: 44px;
  padding: 0 10px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(220px, 320px);
  gap: 20px;
  padding: clamp(16px, 3vw, 32px);
}

.shelf,
.notes {
  align-self: start;
  position: sticky;
  top: 86px;
}

.shelf-header,
.notes-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  color: var(--text-soft);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.novel-list {
  display: grid;
  gap: 8px;
}

.novel-item {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  text-align: left;
}

.novel-item.active {
  border-color: color-mix(in srgb, var(--accent) 70%, white);
  background: var(--panel-strong);
}

.novel-item strong,
.novel-item span {
  display: block;
}

.novel-item span {
  margin-top: 4px;
  color: var(--text-soft);
  font-size: 0.86rem;
}

.reader {
  min-width: 0;
  padding: clamp(18px, 4vw, 42px);
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.reader-meta {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--paper-muted);
  padding-bottom: 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.reader-meta p:last-child {
  max-width: 62ch;
  margin: 14px 0 0;
  color: var(--ink-soft);
}

.progress-pill {
  flex: 0 0 auto;
  align-self: start;
  border: 1px solid var(--paper-muted);
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.tag-list span {
  border: 1px solid var(--paper-muted);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--ink-soft);
  font-size: 0.84rem;
}

.chapter-nav {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 8px;
  margin: 18px 0 28px;
}

.chapter-nav button,
.chapter-nav select {
  background: #ffffff;
  color: var(--ink);
  border-color: var(--paper-muted);
  padding: 0 12px;
}

.chapter-body {
  max-width: 74ch;
  margin: 0 auto;
  font-family: Georgia, "Times New Roman", serif;
  font-size: calc(1.16rem * var(--reader-scale));
  line-height: 1.82;
}

.chapter-body h1,
.chapter-body h2,
.chapter-body h3 {
  margin: 1.4em 0 0.5em;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  line-height: 1.1;
}

.chapter-body h1 {
  font-size: calc(2rem * var(--reader-scale));
}

.chapter-body h2 {
  font-size: calc(1.55rem * var(--reader-scale));
}

.chapter-body p {
  margin: 0 0 1.05em;
}

.chapter-body ul {
  padding-left: 1.2em;
}

.chapter-body code {
  border-radius: 4px;
  background: var(--paper-muted);
  padding: 0.1em 0.28em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.story-bible {
  max-height: calc(100vh - 128px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.55;
}

.story-bible h1,
.story-bible h2,
.story-bible h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.story-bible p {
  margin: 0 0 0.8em;
}

.story-bible ul {
  padding-left: 1.1em;
}

@media (max-width: 1060px) {
  .layout {
    grid-template-columns: minmax(190px, 240px) minmax(0, 1fr);
  }

  .notes {
    grid-column: 1 / -1;
    position: static;
  }
}

@media (max-width: 760px) {
  .topbar {
    position: static;
  }

  .brand small {
    display: none;
  }

  .layout {
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .shelf {
    position: static;
  }

  .reader {
    padding: 18px;
  }

  .reader-meta {
    display: block;
  }

  .progress-pill {
    display: inline-block;
    margin-top: 14px;
  }

  .chapter-nav {
    grid-template-columns: 1fr 1fr;
  }

  .chapter-nav select {
    grid-column: 1 / -1;
    order: -1;
  }
}