:root {
  --paper: #f5efe3; --paper-2: #ece4d3; --card: #fbf8f1; --ink: #1f1a14; --ink-2: #5b5246; --rule: #d8cdb8;
  --accent: #9a3b1f; --accent-ink: #fff8f0; --good: #3d6b3a; --warn: #9a6a12;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --radius: 6px; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #17140f; --paper-2: #211c16; --card: #1d1914; --ink: #eee6d6; --ink-2: #b2a690; --rule: #3a3329;
    --accent: #e0805c; --accent-ink: #1a0f09; --good: #8fc28a; --warn: #e2b55a; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #17140f; --paper-2: #211c16; --card: #1d1914; --ink: #eee6d6; --ink-2: #b2a690; --rule: #3a3329;
  --accent: #e0805c; --accent-ink: #1a0f09; --good: #8fc28a; --warn: #e2b55a; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); }
body { font: 16px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.01em; line-height: 1.2; }
h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); margin: .2em 0 .3em; }
h2 { font-size: 1.45rem; margin: 1.2em 0 .4em; }
h3 { font-size: 1.1rem; margin: 1em 0 .3em; }
.muted { color: var(--ink-2); }
.small { font-size: .875rem; }

.masthead { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 24px; border-bottom: 1px solid var(--rule); background: var(--paper); position: sticky; top: 0; z-index: 5; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-family: var(--serif); font-size: 1.35rem; font-weight: 600; }
.brand svg { width: 26px; height: 26px; fill: var(--accent); }
.usage { font: .8rem var(--mono); color: var(--ink-2); text-align: right; }
.usage .bar { display: inline-block; width: 80px; height: 6px; background: var(--paper-2); border-radius: 3px; vertical-align: middle; margin-left: 6px; overflow: hidden; }
.usage .bar i { display: block; height: 100%; background: var(--accent); }

main { max-width: 1120px; margin: 0 auto; padding: 24px 24px 80px; outline: none; }
.loading { color: var(--ink-2); font-style: italic; font-family: var(--serif); }

button, .btn { font: 600 .92rem var(--sans); border: 1px solid var(--ink); background: var(--ink); color: var(--paper); padding: .55em 1.05em; border-radius: var(--radius); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: .4em; }
button.secondary, .btn.secondary { background: transparent; color: var(--ink); border-color: var(--rule); }
button.accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
button.link { background: none; border: none; color: var(--accent); padding: 0; font-weight: 600; }
button:disabled { opacity: .5; cursor: progress; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

input, textarea, select { width: 100%; font: 1rem var(--sans); color: var(--ink); background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: .6em .7em; }
textarea { min-height: 90px; resize: vertical; line-height: 1.5; }
label { display: block; font-weight: 600; margin: 1.1em 0 .35em; }
.hint { font-size: .85rem; color: var(--ink-2); margin: -.15em 0 .4em; }

/* Library */
.hero { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: end; padding: 12px 0 28px; border-bottom: 1px solid var(--rule); }
.hero p { font-family: var(--serif); font-size: 1.12rem; color: var(--ink-2); max-width: 56ch; }
.newbook { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 18px; }
.newbook .row { display: flex; gap: 8px; margin-top: 10px; }
.shelf { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; margin-top: 26px; }
.spine { background: var(--card); border: 1px solid var(--rule); border-left: 6px solid var(--accent); border-radius: 6px; padding: 16px 16px 14px; text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 6px; min-height: 150px; transition: transform .12s; }
.spine:hover { transform: translateY(-2px); }
.spine h3 { margin: 0; font-size: 1.2rem; }
.spine .pill { align-self: flex-start; }
.progress { height: 5px; background: var(--paper-2); border-radius: 3px; overflow: hidden; margin-top: auto; }
.progress i { display: block; height: 100%; background: var(--good); }

/* Project shell */
.project-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; flex-wrap: wrap; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--rule); margin: 14px 0 22px; overflow-x: auto; }
.tabs a { padding: 10px 14px; text-decoration: none; color: var(--ink-2); font-weight: 600; font-size: .93rem; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs a.on { color: var(--ink); border-color: var(--accent); }
.tabs a .n { font: .75rem var(--mono); color: var(--ink-2); margin-right: 6px; }

.layout { display: grid; grid-template-columns: 220px 1fr; gap: 28px; }
.stages { list-style: none; padding: 0; margin: 0; position: sticky; top: 80px; align-self: start; }
.stages li a { display: flex; justify-content: space-between; padding: 8px 10px; border-radius: 6px; text-decoration: none; color: var(--ink-2); font-size: .93rem; }
.stages li a.on { background: var(--paper-2); color: var(--ink); font-weight: 600; }
.stages .count { font: .75rem var(--mono); }
.panel { background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 22px 24px; }
.panel .intro { font-family: var(--serif); font-size: 1.1rem; color: var(--ink-2); margin-top: 0; }
.qrow .suggest { margin-top: 6px; font-size: .85rem; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 22px; align-items: center; }

.doc { font-family: var(--serif); font-size: 1.05rem; line-height: 1.7; }
.doc h1 { font-size: 1.8rem; } .doc h2 { font-size: 1.3rem; border-bottom: 1px solid var(--rule); padding-bottom: .2em; }
.doc ul { padding-left: 1.2em; }
textarea.bible { min-height: 60vh; font: 1rem/1.6 var(--mono); }

.chapters { display: grid; gap: 10px; }
.chap { display: grid; grid-template-columns: 54px 1fr auto; gap: 14px; align-items: start; background: var(--card); border: 1px solid var(--rule); border-radius: 8px; padding: 12px 14px; }
.chap .num { font: 600 1.4rem var(--serif); color: var(--accent); text-align: center; }
.chap .beat { font: .72rem var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ink-2); }
.chap h3 { margin: 2px 0 4px; }
.chap p { margin: 0; color: var(--ink-2); font-size: .93rem; }
.chap .wc { font: .8rem var(--mono); color: var(--ink-2); text-align: right; white-space: nowrap; }
.pill { display: inline-block; font: .7rem var(--mono); padding: 2px 7px; border-radius: 99px; border: 1px solid var(--rule); color: var(--ink-2); }
.pill.done { color: var(--good); border-color: currentColor; }

.editor { display: grid; grid-template-columns: 1fr 300px; gap: 24px; }
.editor textarea.prose { min-height: 70vh; font: 1.08rem/1.8 var(--serif); padding: 22px 26px; background: var(--card); }
.side .panel { padding: 16px; margin-bottom: 14px; }
.side textarea { min-height: 120px; font-size: .9rem; }

.callout { border-left: 4px solid var(--warn); background: var(--paper-2); padding: 12px 16px; border-radius: 0 8px 8px 0; margin: 16px 0; }
.callout.good { border-color: var(--good); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
.checklist { list-style: none; padding: 0; } .checklist li { padding: 6px 0; border-bottom: 1px dashed var(--rule); }
.checklist li::before { content: "☐  "; color: var(--accent); }

#toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px; font-size: .92rem; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100vw - 32px); }
#toast.show { opacity: 1; }
.spinner { width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

@media (max-width: 820px) {
  main { padding: 16px 16px 64px; } .masthead { padding: 12px 16px; }
  .hero, .layout, .editor, .grid2 { grid-template-columns: 1fr; }
  .stages { position: static; display: flex; overflow-x: auto; gap: 4px; }
  .stages li a { white-space: nowrap; }
  .chap { grid-template-columns: 40px 1fr; } .chap .wc { grid-column: 2; text-align: left; }
}