:root {
  --bg: #f5f1e8;
  --panel: #fffaf3ee;
  --card: #fffdf8;
  --text: #281f18;
  --muted: #74695d;
  --line: #00000014;
  --accent: #bf5b2c;
  --hl: #ffd96aaa;
  --comment: #7eb7ff44;
  --search: #9ad08655;
  --ann-amber: #e0a100;
  --ann-blue: #2f83d5;
  --ann-green: #2f8b57;
  --ann-rose: #c65576;
  --surface: rgba(255, 253, 248, 0.72);
  --reader-wash: linear-gradient(180deg, rgba(255, 255, 255, 0.34), transparent 12%);
  --fs: 19px;
  --lh: 1.9;
  --ls: 0em;
  --side-width: 360px;
}
body.modus-operandi-tinted {
  --bg: #fbf7f0;
  --panel: #fffaf0f0;
  --card: #fffdf8;
  --text: #2f2a24;
  --muted: #6e655a;
  --line: #00000016;
  --accent: #8f3f15;
  --hl: #f7d66a73;
  --comment: #86b7f04d;
  --search: #97c46b59;
  --ann-amber: #b7791f;
  --ann-blue: #2f6fa6;
  --ann-green: #3f7a4a;
  --ann-rose: #9a4f6a;
  --surface: rgba(255, 250, 240, 0.78);
  --reader-wash: linear-gradient(180deg, rgba(255, 255, 255, 0.36), transparent 12%);
}
body.modus-vivendi-tinted {
  --bg: #0f1720;
  --panel: #18222cd9;
  --card: #1d2935;
  --text: #f0e9d8;
  --muted: #b3ad9f;
  --line: #f0e9d81f;
  --accent: #ffb06a;
  --hl: #d7b64d5e;
  --comment: #6aaee055;
  --search: #7cbc7b45;
  --ann-amber: #f0c66f;
  --ann-blue: #7db4f0;
  --ann-green: #86c58f;
  --ann-rose: #d79ab4;
  --surface: rgba(29, 41, 53, 0.78);
  --reader-wash: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 12%);
}
body.cyan-mist {
  --bg: #eef6f3;
  --panel: #f6fbf9ee;
  --card: #fbfefd;
  --text: #233532;
  --muted: #607570;
  --line: #18483d18;
  --accent: #2c7a6f;
  --hl: #f2d97773;
  --comment: #75b9c84a;
  --search: #92c98c59;
  --ann-amber: #b37a17;
  --ann-blue: #2d7aa3;
  --ann-green: #2f7d63;
  --ann-rose: #9a6076;
  --surface: rgba(246, 251, 249, 0.8);
  --reader-wash: linear-gradient(180deg, rgba(255, 255, 255, 0.38), transparent 12%);
}
body.ocean-blue {
  --bg: #edf3f8;
  --panel: #f5f9fcee;
  --card: #fbfdff;
  --text: #253447;
  --muted: #627487;
  --line: #24415f16;
  --accent: #3d6f9b;
  --hl: #f0d57270;
  --comment: #7fb3e84a;
  --search: #94c98f57;
  --ann-amber: #b47a24;
  --ann-blue: #336ea0;
  --ann-green: #4d7f65;
  --ann-rose: #98657c;
  --surface: rgba(245, 249, 252, 0.82);
  --reader-wash: linear-gradient(180deg, rgba(255, 255, 255, 0.4), transparent 12%);
}
body.sunset-amber {
  --bg: #faf2e8;
  --panel: #fff8f0ee;
  --card: #fffdf9;
  --text: #382a1f;
  --muted: #7a6656;
  --line: #5a2f1516;
  --accent: #b66a22;
  --hl: #edcf6d70;
  --comment: #93b4df45;
  --search: #9fc47d57;
  --ann-amber: #b96f14;
  --ann-blue: #4e78a7;
  --ann-green: #5f8a55;
  --ann-rose: #a15f68;
  --surface: rgba(255, 248, 240, 0.8);
  --reader-wash: linear-gradient(180deg, rgba(255, 255, 255, 0.36), transparent 12%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 0 0, #fff8, transparent 35%), var(--bg);
  color: var(--text);
  font-family: Georgia, "Noto Serif SC", serif;
}
body.modus-vivendi-tinted {
  background:
    radial-gradient(circle at top left, rgba(125, 180, 240, 0.12), transparent 28%),
    radial-gradient(circle at top right, rgba(255, 176, 106, 0.08), transparent 24%),
    linear-gradient(180deg, rgba(255,255,255,0.025), transparent 16%),
    var(--bg);
}
body.cyan-mist {
  background:
    radial-gradient(circle at top left, rgba(111, 189, 176, 0.14), transparent 28%),
    radial-gradient(circle at top right, rgba(201, 228, 221, 0.3), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,0.18), transparent 18%),
    var(--bg);
}
body.ocean-blue {
  background:
    radial-gradient(circle at top left, rgba(120, 164, 210, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(192, 216, 238, 0.32), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,0.2), transparent 18%),
    var(--bg);
}
body.sunset-amber {
  background:
    radial-gradient(circle at top left, rgba(230, 180, 108, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(245, 220, 190, 0.3), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,0.18), transparent 18%),
    var(--bg);
}
:root {
  --tool-rail-btn-size: 44px;
  --tool-rail-btn-radius: 12px;
}
code { font-family: Consolas, monospace; }
button, input { font: inherit; }
.app { min-height: 100vh; position: relative; }
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 12, 16, 0.34);
  backdrop-filter: blur(3px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 50;
}
body.controls-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
.side {
  position: fixed;
  inset: 0;
  width: min(980px, calc(100vw - 88px));
  max-width: 980px;
  height: auto;
  max-height: calc(100vh - min(22vh, 144px));
  overflow: auto;
  overflow-x: hidden;
  padding: 18px 16px 28px;
  margin: min(11vh, 72px) auto 0;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  border: 1px solid var(--line);
  border-right: 1px solid var(--line);
  border-radius: 24px;
  backdrop-filter: blur(12px);
  transform: translateY(24px);
  opacity: 0;
  pointer-events: none;
  transition: transform 180ms ease, opacity 180ms ease;
  z-index: 60;
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.22);
  will-change: transform, opacity;
  contain: layout paint style;
  overscroll-behavior: contain;
  touch-action: pan-y;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.side::-webkit-scrollbar {
  width: 0;
  height: 0;
}
body.controls-open .side {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.side-resize-handle { display: none; }
.side-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.main { padding: 18px 14px 84px; }
.brand h1 { margin: 0; font-size: 28px; letter-spacing: .08em; }
.brand p, .hint, .status, .meta, .foot { color: var(--muted); font-size: 13px; line-height: 1.5; }
.title { margin: 18px 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.btn, .pick, .chip, .item, .danger, .text-input, .topbar-btn, .icon-btn, .fab {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
}
.btn, .pick, .chip, .item, .danger, .topbar-btn, .icon-btn, .fab { cursor: pointer; }
.pick { display: flex; justify-content: space-between; align-items: center; }
.row { display: grid; gap: 8px; }
.tw { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { width: auto; border-radius: 999px; padding: 7px 11px; background: transparent; }
.chip.on { background: var(--accent); color: #fff; border-color: transparent; }
.font-stepper {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  gap: 8px;
  align-items: center;
}
.font-step-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  line-height: 1;
  padding: 0;
  min-height: 42px;
}
.font-value {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 14px;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-variant-numeric: tabular-nums;
}
.list { display: grid; gap: 8px; max-height: 240px; overflow: auto; contain: content; }
.item { text-align: left; }
.item-row { display: flex; align-items: start; gap: 8px; }
.item-main { flex: 1; min-width: 0; }
.item small { display: block; color: var(--muted); margin-top: 4px; }
.item-actions { display: flex; gap: 6px; }
.danger { width: auto; padding: 6px 10px; border-radius: 10px; background: transparent; }
.empty { color: var(--muted); font-size: 13px; padding: 6px 2px; }
.status {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  max-width: 100%;
  min-height: 72px;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.auth-status { min-height: 0; }
.auth-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}
.auth-link {
  text-align: center;
  text-decoration: none;
}
.info-card {
  display: grid;
  gap: 6px;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-top: 2px;
}
.info-strong { display: block; width: 100%; max-width: 100%; overflow-wrap: anywhere; word-break: break-all; font-size: 13px; font-weight: 700; color: var(--text); }
.source-card {
  display: grid;
  gap: 10px;
  padding: 12px;
  background: color-mix(in srgb, var(--card) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
}
.source-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.source-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}
.source-check input {
  width: 16px;
  height: 16px;
  margin: 0;
}
.remote-file-list {
  max-height: 260px;
}
.remote-file-item {
  display: grid;
  gap: 4px;
}
.remote-file-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.remote-file-item small {
  margin-top: 0;
}
.remote-file-kind {
  color: var(--accent);
  font-weight: 700;
}
.remote-file-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.remote-file-actions .btn {
  width: auto;
  padding: 6px 10px;
  border-radius: 10px;
}
.text-input { outline: none; }
.text-input:focus { border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
input[type=file] { display: none; }
.nav-panel {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  overflow: hidden;
}
.nav-panel summary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text);
  user-select: none;
}
.nav-panel summary::-webkit-details-marker { display: none; }
.nav-panel summary::after { content: '+'; float: right; color: var(--muted); }
.nav-panel[open] summary::after { content: '-'; }
.nav-panel-body { padding: 0 10px 10px; border-top: 1px solid var(--line); }
.item.hidden { display: none; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 8px;
  padding: 6px 10px;
  margin: 0 auto 14px;
  width: min(100%, 1520px);
  background: linear-gradient(135deg, color-mix(in srgb, var(--panel) 96%, transparent) 0%, color-mix(in srgb, var(--card) 90%, transparent) 100%);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.08);
  backdrop-filter: blur(16px);
  transition: transform 180ms ease, opacity 180ms ease;
}
.topbar-btn, .icon-btn {
  width: auto;
  white-space: nowrap;
}
.topbar-leading {
  flex: 0 0 auto;
  min-width: 0;
  display: grid;
  align-items: start;
  justify-items: center;
  gap: 1px;
  padding: 5px 10px;
  border: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-radius: 14px;
  background: color-mix(in srgb, var(--card) 76%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
  text-align: center;
  cursor: pointer;
}
.topbar-leading-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}
.topbar-leading-status {
  font-size: 10px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--muted);
  white-space: nowrap;
}
.topbar-leading[data-tone="ok"] .topbar-leading-status,
.topbar-leading-status[data-tone="ok"] {
  color: color-mix(in srgb, var(--accent) 82%, var(--text));
}
.topbar-leading-status[data-tone="warn"] {
  color: #b86f1d;
}
.topbar-leading-status[data-tone="local"] {
  color: var(--muted);
}
.topbar-leading-status[data-tone="over"] {
  color: #c55a11;
}
.topbar-meta {
  min-width: 0;
  display: grid;
  gap: 4px;
}
.topbar-book {
  flex: 1 1 420px;
  min-width: 0;
  gap: 3px;
  padding: 2px 14px 2px 12px;
  border-left: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
  text-align: center;
  justify-items: stretch;
  overflow: hidden;
}
.topbar-bookline {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 100%;
}
.topbar-bookline .topbar-progress {
  white-space: nowrap;
}
.topbar-bookline .topbar-section::before {
  content: '-';
  margin-right: 8px;
  color: var(--muted);
}
.topbar-section {
  font-size: 12px;
  color: var(--accent);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: .01em;
}
.topbar-progress {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}
#closeBook {
  align-self: center;
  min-height: 32px;
  padding: 6px 12px;
  border-radius: 999px;
  border-color: color-mix(in srgb, var(--line) 78%, transparent);
  background: color-mix(in srgb, var(--card) 76%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.24);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .01em;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}
#closeBook {
  color: var(--text);
}
.topbar-book .topbar-title,
.topbar-book .topbar-section,
.topbar-book .topbar-progress {
  text-align: center;
}
.frame, .foot { width: min(100%, 1520px); margin: 0 auto; }
.frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 18px 52px #0000001f;
  overflow: hidden;
}
.reader {
  min-height: calc(100vh - 170px);
  padding: 44px clamp(24px, 3vw, 44px) 88px;
  font-size: var(--fs);
  line-height: var(--lh);
  letter-spacing: var(--ls);
  background: var(--reader-wash);
}
.reader > * {
  width: min(100%, 1400px);
  margin-left: auto;
  margin-right: auto;
}
.welcome { max-width: min(1400px, 100%); margin: 0 auto; }
.reader p, .reader li, .reader blockquote { margin: 0 0 1em; }
.reader h1, .reader h2, .reader h3, .reader h4 { margin: 1.6em 0 .7em; line-height: 1.3; }
.reader img { max-width: 100%; display: block; margin: 1em auto; border-radius: 14px; }
.sec {
  margin-bottom: 2.1em;
  scroll-margin-top: 88px;
  content-visibility: auto;
  contain-intrinsic-size: 900px auto;
}
.sec + .sec { border-top: 1px solid #00000008; padding-top: 1.9em; }
.foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  padding-bottom: 10px;
  padding-top: 4px;
}
.action-rail {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 16px;
  display: flex;
  gap: 8px;
  z-index: 12;
  padding: 6px;
  border: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  border-radius: 20px;
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.14);
  backdrop-filter: blur(12px);
  transition: transform 180ms ease, opacity 180ms ease;
}
.tool-rail-btn {
  width: var(--tool-rail-btn-size);
  min-width: var(--tool-rail-btn-size);
  height: var(--tool-rail-btn-size);
  min-height: var(--tool-rail-btn-size);
}
.fab {
  width: var(--tool-rail-btn-size);
  min-width: var(--tool-rail-btn-size);
  border-radius: var(--tool-rail-btn-radius);
  box-shadow: none;
  background: var(--accent);
  color: #fff;
  border-color: transparent;
  padding: 0;
  min-height: var(--tool-rail-btn-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  line-height: 1.1;
}
.fab-soft {
  background: color-mix(in srgb, var(--card) 90%, transparent);
  color: var(--text);
  border-color: color-mix(in srgb, var(--line) 86%, transparent);
}
.fab:disabled,
.fab-soft:disabled {
  opacity: .45;
  cursor: not-allowed;
  box-shadow: none;
}

.mobile-selection-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 45;
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  transform: translateY(120%);
  transition: transform 180ms ease;
  pointer-events: none;
}
.quick-panel {
  position: fixed;
  inset: 0;
  z-index: 40;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
  contain: layout paint style;
}
html.quick-panel-open,
.quick-panel-open {
  overflow: hidden;
  overscroll-behavior: none;
}
.quick-panel.open {
  opacity: 1;
  pointer-events: auto;
}
.quick-panel {
  touch-action: none;
}
.quick-panel-shell {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overscroll-behavior: contain;
}
.quick-panel-card {
  position: relative;
  width: min(1120px, calc(100vw - 40px));
  max-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(12px);
  overflow: hidden;
  overscroll-behavior: contain;
  touch-action: pan-y;
  contain: layout paint style;
  will-change: opacity, transform;
}
#bookmarkDialog .quick-panel-card,
#navDialog .quick-panel-card,
.data-manager-card {
  width: min(1120px, calc(100vw - 40px));
}
.quick-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 78%, transparent);
}
.quick-panel-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.quick-panel-close {
  width: auto;
  min-width: 72px;
}
.quick-panel-body {
  display: grid;
  gap: 10px;
  padding: 12px 14px 14px;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  contain: content;
}
.quick-panel-body-compact {
  gap: 8px;
  padding-top: 14px;
}
.quick-panel-list {
  max-height: min(42vh, 340px);
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
  contain: content;
}
#bookmarkDialog .quick-panel-card {
  max-height: calc(100vh - 112px);
}
#bookmarkDialog .quick-panel-shell {
  align-items: flex-start;
  padding-top: 86px;
}
#bookmarkDialog .quick-panel-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}
#bookmarkDialog .bookmark-panel-toolbar {
  position: sticky;
  top: 0;
  z-index: 1;
  margin: 0;
  padding-bottom: 8px;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
}
#bookmarkDialog .bookmark-panel-results {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
}
#bookmarkDialog .quick-panel-list {
  max-height: none;
  height: 100%;
}
#navDialog .quick-panel-card {
  max-height: calc(100vh - 112px);
}
#navDialog .quick-panel-shell {
  align-items: flex-start;
  padding-top: 86px;
}
#navDialog .quick-panel-body {
  overflow: hidden;
}
#navDialog .row {
  position: sticky;
  top: 0;
  z-index: 1;
  background: color-mix(in srgb, var(--panel) 96%, transparent);
}
#navDialog .nav-panel {
  margin: 0;
}
#navDialog .nav-panel-body {
  max-height: min(23vh, 210px);
  overflow: auto;
  padding: 0 8px 8px;
  touch-action: pan-y;
  contain: content;
}
#navDialog .quick-panel-list {
  max-height: none;
}
body.mobile-selection-open .mobile-selection-bar {
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-selection-inner {
  width: min(100%, 720px);
  margin: 0 auto;
  background: color-mix(in srgb, var(--panel) 95%, transparent);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.22);
  backdrop-filter: blur(12px);
  padding: 10px;
}
.mobile-selection-label {
  font-size: 12px;
  color: var(--muted);
  margin: 0 0 8px 4px;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.mobile-selection-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}
.mobile-selection-actions .fab {
  width: 100%;
  min-width: 0;
  min-height: 40px;
  height: 40px;
  padding: 0 10px;
  justify-content: center;
  text-align: center;
  font-size: 13px;
  line-height: 1;
  border-radius: 12px;
}
.mobile-selection-actions #mobileHl,
.mobile-selection-actions #mobileComment,
.mobile-selection-actions #mobileCancel {
  margin: 0;
}
.mobile-selection-options,
.sel-options,
.sel-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.sel-actions {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.sel-field {
  display: grid;
  gap: 6px;
}
.sel-field-label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.sel-select {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
  border-radius: 12px;
  padding: 8px 10px;
}
.appearance-hint {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  padding: 8px 10px;
  margin-bottom: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: color-mix(in srgb, var(--card) 88%, transparent);
}
.appearance-preview-row {
  margin-top: 2px;
}
.annotation-viewer-hint {
  margin-top: -2px;
}
.sel {
  position: fixed;
  display: none;
  z-index: 40;
  padding: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 52px #0003;
  gap: 6px;
  min-width: 296px;
  flex-direction: column;
}
.annotation-viewer {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 60;
}
.annotation-viewer.open { display: block; }
.annotation-viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 12, 16, 0.34);
  backdrop-filter: blur(3px);
}
.annotation-viewer-card {
  position: relative;
  width: min(1120px, calc(100vw - 40px));
  margin: min(12vh, 72px) auto 0;
  max-height: calc(100vh - min(16vh, 96px));
  background: color-mix(in srgb, var(--panel) 96%, transparent);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 24px 72px rgba(0, 0, 0, 0.22);
  padding: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  overscroll-behavior: contain;
  touch-action: pan-y;
}
.annotation-viewer-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}
.annotation-viewer-type {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.annotation-viewer-head h3 {
  margin: 4px 0 0;
  font-size: 24px;
}
.annotation-viewer-body {
  display: grid;
  gap: 14px;
  margin-top: 16px;
  min-height: 0;
  overflow-y: auto;
  padding-right: 4px;
  overscroll-behavior: contain;
  touch-action: pan-y;
}
.annotation-viewer-edit {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.annotation-viewer-label {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 6px;
}
.annotation-viewer-text,
.annotation-viewer-comment {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}
.annotation-viewer-text {
  max-height: min(28vh, 260px);
  overflow-y: auto;
}
.annotation-viewer-comment-input {
  width: 100%;
  min-height: calc(1.7em * 3 + 28px);
  max-height: calc(1.7em * 3 + 28px);
  overflow-y: auto;
  resize: none;
  font: inherit;
  color: var(--text);
  outline: none;
}
.annotation-viewer-comment-input:focus {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}
.annotation-viewer-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}
.annotation-viewer-actions .btn {
  width: auto;
  min-width: 120px;
}
.annotation-viewer-actions .danger {
  min-width: 108px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}
.loading-card {
  width: min(460px, calc(100vw - 32px));
  max-width: 460px;
  min-height: 220px;
  margin: min(18vh, 120px) auto 0;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 14px;
  padding: 28px 24px;
}
.loading-card h3 {
  margin: 0;
  font-size: 24px;
}
.loading-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}
.loading-spinner {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 3px solid color-mix(in srgb, var(--line) 78%, transparent);
  border-top-color: color-mix(in srgb, var(--accent) 72%, transparent);
  animation: loading-spin 0.9s linear infinite;
}
@keyframes loading-spin {
  to { transform: rotate(360deg); }
}
.data-manager-card { max-width: none; }
.data-manager-list {
  max-height: 380px;
  overflow: auto;
  overscroll-behavior: contain;
  touch-action: pan-y;
}
.data-manager-item {
  display: grid;
  gap: 10px;
  padding: 12px;
}
.data-manager-row {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}
.data-manager-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.data-manager-actions {
  flex-wrap: wrap;
}
.data-manager-actions .btn,
.data-manager-actions .danger {
  width: auto;
}
.sel.show { display: flex; }
.sel button { border: 0; background: #0000000a; color: var(--text); padding: 8px 12px; border-radius: 10px; cursor: pointer; }
mark.a {
  background: none;
  --ann-color: var(--ann-amber);
  color: inherit;
  cursor: pointer;
  border-radius: 0;
  padding: 0;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  text-decoration-line: none;
  text-decoration-style: solid;
  text-decoration-thickness: 2px;
  text-underline-offset: .18em;
}
mark.a.style-fill { background: linear-gradient(transparent 58%, color-mix(in srgb, var(--ann-color) 34%, transparent) 0); }
mark.a.style-underline { border-bottom: 2px solid color-mix(in srgb, var(--ann-color) 78%, transparent); }
mark.a.style-wavy { text-decoration-line: underline; text-decoration-style: wavy; text-decoration-color: color-mix(in srgb, var(--ann-color) 86%, transparent); }
mark.a.style-gradient {
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--ann-color) 24%, transparent) 0%,
    color-mix(in srgb, var(--ann-color) 42%, transparent) 50%,
    color-mix(in srgb, var(--accent) 20%, transparent) 100%);
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
mark.a.style-glow {
  background: linear-gradient(transparent 58%, color-mix(in srgb, var(--ann-color) 28%, transparent) 0);
  box-shadow: inset 0 -0.34em 0 color-mix(in srgb, var(--ann-color) 26%, transparent), 0 0 .45em color-mix(in srgb, var(--ann-color) 24%, transparent);
}
mark.a.style-multicolor {
  background: linear-gradient(90deg,
    color-mix(in srgb, var(--ann-color) 28%, transparent) 0%,
    color-mix(in srgb, var(--accent) 18%, transparent) 45%,
    color-mix(in srgb, var(--comment) 85%, transparent) 100%);
}
mark.a.style-dashed { border-bottom: 2px dashed color-mix(in srgb, var(--ann-color) 82%, transparent); }
mark.a.comment.style-fill,
mark.a.comment.style-gradient,
mark.a.comment.style-glow,
mark.a.comment.style-multicolor { box-shadow: inset 0 -0.18em 0 color-mix(in srgb, var(--accent) 16%, transparent); }
mark.a.focused {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  outline-offset: 2px;
}
mark.search-hit {
  background: linear-gradient(transparent 58%, var(--search) 0);
  color: inherit;
  border-radius: 0;
}
mark.search-hit.current { outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent); }
@media (max-width: 760px) {
  .side {
    width: calc(100vw - 24px);
    max-height: calc(100vh - 124px);
    margin-top: 72px;
    padding: 15px 14px 20px;
    border-radius: 22px;
  }
  .sel { display: none !important; }
  .main { padding: 10px 8px 90px; }
  .topbar { width: 100%; padding: 6px 8px; border-radius: 16px; gap: 6px; }
  .topbar-leading {
    flex: 0 0 auto;
    width: auto;
    max-width: max-content;
    justify-items: center;
    gap: 1px;
    padding: 5px 8px;
  }
  .topbar-book {
    order: 3;
    padding: 4px 0 0;
    border-left: 0;
    border-top: 1px solid color-mix(in srgb, var(--line) 76%, transparent);
    text-align: left;
  }
  .topbar-book.is-empty {
    justify-items: center;
    text-align: center;
  }
  #closeBook {
    order: 4;
  }
  .topbar-bookline {
    gap: 6px;
  }
  .topbar-bookline .topbar-section::before {
    margin-right: 6px;
  }
  .topbar-book .topbar-title,
  .topbar-book .topbar-section,
  .topbar-book .topbar-progress {
    text-align: left;
  }
  .topbar-book.is-empty .topbar-title,
  .topbar-book.is-empty .topbar-section,
  .topbar-book.is-empty .topbar-progress {
    text-align: center;
  }
  .source-grid {
    grid-template-columns: 1fr;
  }
  body.mobile-chrome-hidden .topbar {
    transform: translateY(calc(-100% - 12px));
    opacity: 0;
    pointer-events: none;
  }
  body.mobile-chrome-hidden .action-rail {
    transform: translate(-50%, calc(100% + 18px));
    opacity: 0;
    pointer-events: none;
  }
  .frame, .foot { width: 100%; }
  .reader { min-height: calc(100vh - 140px); padding: 24px 16px 92px; line-height: 1.82; }
  .foot { flex-direction: column; }
  .action-rail {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    bottom: 10px;
    gap: 5px;
    width: calc(100vw - 14px);
    justify-content: center;
    padding: 4px;
    border-radius: 16px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
  }
  .action-rail .fab {
    flex: 1 1 0;
  }
  .fab {
    width: var(--tool-rail-btn-size);
    min-width: var(--tool-rail-btn-size);
    min-height: var(--tool-rail-btn-size);
    font-size: 10px;
    line-height: 1.1;
    border-radius: var(--tool-rail-btn-radius);
  }
  .tool-rail-btn {
    width: var(--tool-rail-btn-size);
    min-width: var(--tool-rail-btn-size);
    height: var(--tool-rail-btn-size);
    min-height: var(--tool-rail-btn-size);
  }
  .quick-panel-shell {
    align-items: flex-end;
    padding: 8px;
  }
  .quick-panel-card {
    width: 100%;
    max-height: calc(100vh - 16px);
    border-radius: 22px 22px 18px 18px;
  }
  #bookmarkDialog .quick-panel-card,
  #navDialog .quick-panel-card,
  .annotation-viewer-card,
  .data-manager-card {
    width: 100%;
  }
  .quick-panel-body {
    padding: 10px 10px 12px;
  }
  .quick-panel-body-compact {
    padding-top: 10px;
    gap: 6px;
  }
  .quick-panel-list {
    max-height: min(38vh, 280px);
  }
  #bookmarkDialog .quick-panel-shell {
    align-items: flex-start;
    padding-top: 68px;
  }
  #bookmarkDialog .quick-panel-card {
    max-height: calc(100vh - 80px);
  }
  #navDialog .quick-panel-shell {
    align-items: flex-start;
    padding-top: 68px;
  }
  #navDialog .quick-panel-card {
    max-height: calc(100vh - 80px);
  }
  #bookmarkDialog .bookmark-panel-toolbar {
    padding-bottom: 6px;
  }
  #navDialog .nav-panel-body {
    max-height: min(19vh, 168px);
    padding: 0 6px 6px;
  }
  .mobile-selection-options {
    margin-bottom: 8px;
  }
  .annotation-viewer-card {
    width: calc(100vw - 16px);
    max-height: calc(100vh - 20px);
    margin-top: auto;
    margin-bottom: 10px;
    border-radius: 22px;
  }
  .loading-card {
    width: calc(100vw - 20px);
    min-height: 180px;
    margin-top: 76px;
    padding: 24px 18px;
    border-radius: 22px;
  }
  .loading-card h3 {
    font-size: 20px;
  }
  .loading-card p {
    font-size: 14px;
  }
  .annotation-viewer-body {
    gap: 12px;
    padding-right: 2px;
  }
  .annotation-viewer-text {
    max-height: 24vh;
  }
  .annotation-viewer-edit {
    grid-template-columns: 1fr;
  }
  .annotation-viewer {
    display: block;
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
  }
  .annotation-viewer.open {
    opacity: 1;
    pointer-events: auto;
  }
  .annotation-viewer-card {
    transform: translateY(24px);
    transition: transform 180ms ease;
  }
  .annotation-viewer.open .annotation-viewer-card { transform: translateY(0); }
  #dataManager {
    padding: 0 8px;
  }
  #dataManager .annotation-viewer-card {
    margin-top: 68px;
    margin-bottom: 0;
    max-height: calc(100vh - 80px);
  }
}
@media (min-width: 761px) {
  .action-rail {
    left: auto;
    right: 18px;
    top: auto;
    bottom: 22px;
    transform: none;
    flex-direction: column;
    gap: 6px;
    width: auto;
    padding: 6px;
    border-radius: 18px;
  }
  .action-rail .fab {
    flex: 0 0 auto;
  }
  .tool-rail-btn {
    width: var(--tool-rail-btn-size);
    min-width: var(--tool-rail-btn-size);
    height: var(--tool-rail-btn-size);
    min-height: var(--tool-rail-btn-size);
  }
  .fab {
    width: var(--tool-rail-btn-size);
    min-width: var(--tool-rail-btn-size);
    min-height: var(--tool-rail-btn-size);
    font-size: 11px;
    border-radius: var(--tool-rail-btn-radius);
  }
}
@media (min-width: 961px) {
  .mobile-selection-bar { display: none; }
}

body.modus-vivendi-tinted .side { box-shadow: 0 24px 72px rgba(0, 0, 0, 0.42); }
body.modus-vivendi-tinted .frame { box-shadow: 0 20px 60px rgba(0, 0, 0, 0.36); }
body.modus-vivendi-tinted .topbar { background: rgba(24, 34, 44, 0.84); }
body.modus-vivendi-tinted .fab-soft,
body.modus-vivendi-tinted .topbar-btn,
body.modus-vivendi-tinted .icon-btn { background: #24313d; }
body.modus-vivendi-tinted .nav-panel { background: rgba(29, 41, 53, 0.9); }
body.cyan-mist .topbar { background: rgba(246, 251, 249, 0.86); }
body.cyan-mist .nav-panel { background: rgba(251, 254, 253, 0.9); }
body.ocean-blue .topbar { background: rgba(245, 249, 252, 0.88); }
body.ocean-blue .nav-panel { background: rgba(251, 253, 255, 0.92); }
body.sunset-amber .topbar { background: rgba(255, 248, 240, 0.88); }
body.sunset-amber .nav-panel { background: rgba(255, 253, 249, 0.9); }

.auth-shell {
  min-height: 100vh;
  padding: 24px 14px 40px;
}
.auth-card {
  width: min(100%, 640px);
  margin: 0 auto;
  padding: 22px;
  box-sizing: border-box;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(12px);
}
.admin-page .auth-card {
  width: min(100%, 1480px);
}
.auth-hero {
  margin-bottom: 18px;
}
.auth-hero h1 {
  margin: 0 0 8px;
  font-size: 30px;
}
.auth-hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}
.auth-form {
  display: grid;
  gap: 10px;
}
.register-field {
  display: grid;
  gap: 6px;
}
.register-inline-hint {
  margin: -2px 2px 0;
}
.register-window-hint,
.register-status {
  margin-top: 14px;
}
.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.auth-form-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.auth-grid {
  display: grid;
  gap: 14px;
}
.admin-grid {
  display: grid;
  gap: 18px;
  margin-top: 18px;
}
.admin-card {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  padding: 14px;
  min-width: 0;
  overflow: hidden;
}
.admin-card h2 {
  margin: 0 0 12px;
  font-size: 18px;
}
.admin-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.admin-table-wrap {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  -webkit-overflow-scrolling: touch;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: auto;
  min-width: 1380px;
}
.admin-table th,
.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: middle;
  font-size: 14px;
  overflow-wrap: anywhere;
}
.admin-table th {
  color: var(--muted);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.admin-table tr:last-child td {
  border-bottom: 0;
}
.table-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.table-btn {
  width: auto;
  min-width: 96px;
  padding: 8px 12px;
}
.table-input {
  width: 100%;
  min-width: 0;
}
.table-input[type="datetime-local"] {
  min-width: 220px;
}
@media (max-width: 760px) {
  .auth-shell {
    padding: 14px 8px 28px;
    overflow-x: hidden;
  }
  .auth-links {
    grid-template-columns: 1fr;
  }
  .auth-card {
    width: 100%;
    max-width: 100%;
    padding: 14px;
    border-radius: 18px;
  }
  .admin-page .auth-card {
    width: 100%;
  }
  .admin-grid,
  .admin-card,
  .admin-table-wrap {
    min-width: 0;
  }
  .auth-form-actions,
  .table-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .policy-grid {
    grid-template-columns: 1fr;
  }
  .admin-card {
    padding: 12px;
    border-radius: 16px;
  }
  .admin-table-wrap {
    border-radius: 12px;
  }
  .admin-table {
    table-layout: auto;
    min-width: 980px;
  }
  .admin-table th,
  .admin-table td {
    padding: 8px 10px;
    font-size: 13px;
  }
  .admin-table th {
    font-size: 11px;
  }
  .table-btn {
    min-width: 0;
    width: 100%;
    padding: 8px 10px;
  }
  .table-input {
    font-size: 16px;
  }
  .table-input[type="datetime-local"] {
    min-width: 168px;
  }
}