/* Baria — lecture page à page
   Palette terre/nuit, serif pour les textes, sans-serif pour l'UI. */

:root {
  --bg: #f4efe6;
  --bg-alt: #ebe3d4;
  --ink: #1d1b17;
  --ink-soft: #4a463e;
  --accent: #7a2f20;
  --accent-soft: #a6604f;
  --gold: #9c7a3c;
  --rule: #c8bfac;
  --ok: #2f6b3c;
  --ok-strong: #2a8b3f;
  --warn: #b07a1f;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
  --serif: "Iowan Old Style", "Palatino Linotype", "Palatino", "Georgia", serif;
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;
  --topbar-h: 78px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

.topbar {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 10;
  padding-top: env(safe-area-inset-top);
}
.topbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  gap: 12px;
}

.title {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.01em;
}
.title .book { color: var(--accent); font-weight: 600; }
.title .sep { margin: 0 8px; color: var(--rule); }
.title .fr { color: var(--ink-soft); font-style: italic; }

.pager {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.pager button {
  width: 32px;
  height: 32px;
  border: 1px solid var(--rule);
  background: var(--bg);
  border-radius: 3px;
  cursor: pointer;
  font-size: 20px;
  line-height: 1;
  color: var(--ink);
}
.pager button:hover { background: var(--bg-alt); border-color: var(--ink-soft); }
.pager button:disabled { opacity: 0.4; cursor: default; }
.pager label { display: flex; align-items: center; gap: 6px; color: var(--ink-soft); }
.pager input[type=number] {
  width: 64px;
  padding: 5px 8px;
  background: var(--bg);
  border: 1px solid var(--rule);
  border-radius: 3px;
  text-align: right;
}
.pager .total { color: var(--ink-soft); }

.save-indicator {
  font-size: 12px;
  min-width: 60px;
  text-align: right;
  white-space: nowrap;
}
.save-indicator.saving { color: var(--warn); }
.save-indicator.saved  { color: var(--ok); }
.save-indicator.error  { color: var(--accent); }
.muted { color: var(--ink-soft); }

.progress {
  padding: 6px 20px 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px dashed var(--rule);
}
.progress-bar {
  flex: 1 1 auto;
  height: 6px;
  background: var(--rule);
  border-radius: 3px;
  overflow: hidden;
  display: flex;
}
.seg {
  height: 100%;
  transition: width 300ms ease;
}
.seg-annotated { background: var(--ok-strong); }
.progress-label {
  font-size: 11px;
  color: var(--ink-soft);
  white-space: nowrap;
}

.view-tabs {
  display: none;
  gap: 4px;
  padding: 6px 12px;
  border-top: 1px solid var(--rule);
  background: var(--bg);
}
.view-tabs button {
  flex: 1;
  padding: 8px;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}
.view-tabs button.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: minmax(380px, 1.15fr) minmax(340px, 1fr);
  gap: 1px;
  background: var(--rule);
  height: calc(100vh - var(--topbar-h));
}
.col {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  padding: 14px 18px 18px;
  overflow: hidden;
}
.col h2 {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 10px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.col-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  gap: 8px 10px;
  flex-wrap: wrap;
}
.col-head h2 { margin: 0; white-space: nowrap; }
.col-head .md-toolbar { margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }

.md-toolbar {
  display: flex;
  gap: 4px;
  align-items: center;
}
.md-toolbar button {
  padding: 4px 10px;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  border-radius: 3px;
  cursor: pointer;
  font-size: 12px;
  color: var(--ink-soft);
}
.md-toolbar button:hover { background: var(--bg); border-color: var(--ink-soft); }
.md-toolbar button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.md-toolbar select {
  max-width: 180px;
  padding: 4px 8px;
  background: var(--bg-alt);
  border: 1px solid var(--rule);
  border-radius: 3px;
  font-size: 12px;
  color: var(--ink-soft);
}

.col-original .image-wrap {
  flex: 1 1 auto;
  overflow: auto;
  background: #faf8f3;
  border: 1px solid var(--rule);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 8px;
  position: relative;
}
.col-original canvas {
  max-width: 100%;
  height: auto;
  box-shadow: var(--shadow);
  background: #fff;
}

.page-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-style: italic;
}
.page-loading[hidden] { display: none; }

.original-text {
  margin-top: 10px;
  max-height: 160px;
  overflow: auto;
  font-size: 12px;
  flex: 0 0 auto;
}
.original-text summary {
  cursor: pointer;
  color: var(--ink-soft);
  padding: 4px 0;
}
.original-text pre {
  white-space: pre-wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-soft);
  background: var(--bg-alt);
  padding: 10px;
  border-radius: 3px;
  margin: 6px 0 0;
}

.col-notes {
  min-height: 0;
}
.col-notes > textarea#notes {
  flex: 1 1 auto;
  resize: none;
  padding: 16px 18px;
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.65;
  background: #fffbf2;
  border: 1px solid var(--rule);
  border-radius: 3px;
  min-height: 0;
  box-shadow: var(--shadow);
}
.col-notes > textarea#notes:focus {
  outline: none;
  border-color: var(--gold);
}

@media (max-width: 1100px) {
  .title { font-size: 16px; }
  .title .fr { font-size: 14px; }
  .col { padding: 12px 14px 14px; }
  .md-toolbar select { max-width: 140px; }
}

@media (max-width: 720px) {
  :root { --topbar-h: 168px; }
  .topbar-row { flex-direction: column; align-items: stretch; padding: 8px 12px; }
  .pager { justify-content: center; }
  .pager button {
    width: 40px;
    height: 40px;
  }
  .title .sep, .title .fr { display: none; }
  .title .book { font-size: 16px; }
  .view-tabs { display: flex; }
  .grid {
    display: block;
    height: auto;
  }
  .col {
    display: none;
    height: calc(100dvh - var(--topbar-h));
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  }
  body[data-view="image"] .col[data-view="image"],
  body[data-view="notes"] .col[data-view="notes"] {
    display: flex;
  }
  .col-original .image-wrap { max-height: none; flex: 1; }
  .col-notes > textarea#notes { font-size: 17px; }
  .progress { padding: 4px 12px 6px; }
  .progress-label { font-size: 10px; }
  #save-indicator { display: none; }
  #notes-save { display: inline; min-width: 0; }
}