:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #c2410c;
  --accent-hover: #9a3412;
  --ok: #15803d;
  --err: #b91c1c;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Myanmar Text", "Noto Sans Myanmar", Padauk, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header, main, footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

header { padding-top: 24px; }
h1 { margin: 0 0 6px; font-size: 2rem; }
.lang-switch { display: inline-flex; flex-shrink: 0; border: 1.5px solid #c9ced6; border-radius: 6px; }
.lang-switch button { border: 0; border-radius: 0; padding: 1px 9px; font-size: .78rem; line-height: 1.9; min-height: 0; font-weight: 600; color: var(--text); }
.lang-switch button:hover:not(.active) { background: #fff3ec; color: var(--accent); }
.lang-switch button:first-child { border-radius: 5px 0 0 5px; }
.lang-switch button:last-child { border-radius: 0 5px 5px 0; }
.lang-switch button + button { border-left: 1px solid var(--border); }
.lang-switch button.active, .lang-switch button.active:hover { background: var(--accent); color: #fff; }
html[lang="my"] body { line-height: 1.8; }
h2 { margin: 0; font-size: 1.1rem; }
.tagline { margin: 0 0 24px; color: var(--muted); }
.sub { color: var(--muted); font-weight: normal; font-size: 0.9rem; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 4px 0; }

section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

/* Drop zone */
.drop-zone {
  text-align: center;
  border: 2px dashed var(--border);
  cursor: pointer;
  transition: border-color .15s, background .15s;
  padding: 36px 20px;
}
.drop-zone:hover, .drop-zone.over { border-color: var(--accent); background: #fff7f2; }
.drop-zone p { margin: 4px 0; }
.drop-icon { font-size: 2rem; color: var(--accent); }
.link { color: var(--accent); text-decoration: underline; cursor: pointer; }

/* Queue */
.queue-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
#file-list { list-style: none; margin: 0; padding: 0; }
.handle { color: var(--muted); letter-spacing: -3px; user-select: none; }
.meta { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.name { font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.details { font-size: .8rem; color: var(--muted); }
.err { color: var(--err); }
.actions { display: flex; gap: 4px; }

/* Buttons */
button {
  font: inherit;
  font-weight: 500;
  border: 1.5px solid #b9c0ca;
  background: var(--card);
  color: var(--text);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background .12s, border-color .12s, box-shadow .12s;
}
button:hover:not(:disabled) { background: #fff3ec; border-color: var(--accent); color: var(--accent); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.danger:hover:not(:disabled) { color: var(--err); border-color: var(--err); }
button.ghost { border-color: transparent; color: var(--muted); font-weight: 500; }
button.ghost:hover:not(:disabled) { background: var(--bg); border-color: transparent; color: var(--text); }
button.primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
  padding: 10px 20px; font-weight: 700; font-size: 1rem;
  box-shadow: 0 2px 6px rgba(194,65,12,.35);
}
button.primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; box-shadow: 0 3px 10px rgba(194,65,12,.4); }

/* Build section */
.build { display: flex; flex-wrap: wrap; align-items: end; gap: 16px; }
.build label { display: flex; flex-direction: column; font-size: .9rem; color: var(--muted); position: relative; }
.build input {
  font: inherit; padding: 9px 44px 9px 10px; border: 1px solid var(--border); border-radius: 6px; width: 240px; color: var(--text);
}
.build .suffix { position: absolute; right: 10px; bottom: 9px; color: var(--muted); }
#status { width: 100%; margin: 0; min-height: 1.5em; }
#status.ok { color: var(--ok); }
#status.error { color: var(--err); }
#status.working { color: var(--muted); }

footer { color: var(--muted); font-size: .85rem; padding-bottom: 40px; }

/* Offscreen render host for DOCX → PDF */
.docx-render {
  position: absolute; left: -10000px; top: 0;
  width: 180mm; background: #fff; color: #000;
  font-family: "Times New Roman", serif; font-size: 12pt; line-height: 1.4;
}
.docx-render img { max-width: 100%; }
.docx-render table { border-collapse: collapse; }
.docx-render td, .docx-render th { border: 1px solid #999; padding: 4px; }

/* Site nav */
.site-nav { position: sticky; top: 0; z-index: 50; background: var(--card); border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 760px; margin: 0 auto; padding: 6px 20px; display: flex; justify-content: space-between; align-items: center; gap: 6px; flex-wrap: nowrap; }
.nav-home { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 6px; color: var(--text); flex-shrink: 0; border: 1.5px solid #c9ced6; margin-right: 4px; }
.nav-home:hover { border-color: var(--accent); color: var(--accent); background: #fff3ec; }
.nav-home.active { color: #fff; background: var(--accent); border-color: var(--accent); }
.nav-links { display: flex; gap: 0; flex-wrap: nowrap; min-width: 0; flex: 1 1 auto; }
.nav-links a { color: var(--text); text-decoration: none; padding: 5px 9px; border-radius: 6px; font-weight: 600; font-size: .85rem; white-space: nowrap; min-width: 0; flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; border: 1.5px solid #c9ced6; margin-right: 4px; }
.nav-links a:hover { border-color: var(--accent); color: var(--accent); background: #fff3ec; }
.nav-links a.active { color: #fff; background: var(--accent); border-color: var(--accent); }

/* Home */
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.tool-card {
  display: flex; flex-direction: column; gap: 8px; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px;
  transition: border-color .15s, box-shadow .15s;
}
.tool-card:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.tool-icon { font-size: 2.2rem; }
.tool-card p { margin: 0; color: var(--muted); flex: 1; }
.tool-open { color: var(--accent); font-weight: 600; }

/* Camera */
.camera-btn { margin-top: 14px; padding: 8px 16px; }
.camera-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.92); z-index: 100;
  display: flex; align-items: center; justify-content: center;
}
.camera-box { display: flex; flex-direction: column; align-items: center; gap: 16px; width: 100%; max-width: 900px; padding: 16px; }
.camera-box video { width: 100%; max-height: 75vh; border-radius: 8px; background: #000; }
.camera-controls { display: flex; align-items: center; gap: 24px; }
.camera-controls .ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); }
.camera-controls .ghost:hover { background: rgba(255,255,255,.12); }
.camera-controls .shutter { width: 64px; height: 64px; border-radius: 50%; font-size: 1.6rem; padding: 0; }

/* IC slots */
.ic-slots { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; background: none; border: 0; padding: 0; }
.ic-slot { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.ic-preview {
  aspect-ratio: 1.586; background: var(--bg); border: 1px dashed var(--border); border-radius: 8px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.ic-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.ic-empty { color: var(--muted); }
.ic-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.ic-actions .primary { padding: 8px 14px; font-size: .95rem; }
.ic-error { margin: 0; font-size: .85rem; min-height: 1.2em; }

/* Image editor */
.editor-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.92); z-index: 100; display: flex; align-items: center; justify-content: center; }
.editor-box { display: flex; flex-direction: column; width: 100%; height: 100%; max-width: 1000px; max-height: 100vh; padding: 12px; gap: 12px; }
.editor-stage { flex: 1; min-height: 0; display: flex; align-items: center; justify-content: center; }
.editor-stage { touch-action: none; }
.editor-stage canvas { max-width: 100%; max-height: 100%; touch-action: none; }
.editor-toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; color: #fff; }
.editor-group { display: flex; gap: 8px; align-items: center; font-size: .9rem; }
.editor-toolbar button:not(.primary) { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.editor-toolbar button:not(.primary):hover { background: rgba(255,255,255,.12); }
.editor-toolbar select { font: inherit; padding: 4px 8px; border-radius: 6px; border: 1px solid rgba(255,255,255,.45); background: #222; color: #fff; }
.editor-dims { color: #bbb; font-variant-numeric: tabular-nums; }

/* Responsive */
@media (max-width: 640px) {
  header { padding-top: 16px; }
  h1 { font-size: 1.6rem; }
  section { padding: 14px; }
  .drop-zone { padding: 24px 12px; }
  .build label, .build input { width: 100%; }
  .build .primary { width: 100%; }
  .nav-inner { padding: 4px 6px; gap: 4px; }
  .nav-home { width: 28px; height: 28px; }
  .nav-home svg { width: 18px; height: 18px; }
  .nav-links a { padding: 4px 6px; font-size: .78rem; }
  .lang-switch button { padding: 1px 6px; font-size: .7rem; }
  .ic-actions button { flex: 1 1 auto; }
  .editor-box { padding: 8px; gap: 8px; }
  .editor-toolbar { justify-content: center; }
}
@media (pointer: coarse) {
  button:not(.lang-switch button) { min-height: 40px; }
}

/* Build actions (multiple buttons) */
.build-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.build-actions.stacked { flex-direction: column; align-items: stretch; width: 100%; }
.build-actions button:not(.primary) { padding: 9px 16px; font-size: 1rem; font-weight: 600; color: var(--accent); border: 2px solid var(--accent); background: #fff; }
.build-actions button:not(.primary):hover:not(:disabled) { background: #fff3ec; }

/* Layout editor + preview */
.layout-stage canvas { box-shadow: 0 0 0 1px #999, 0 8px 30px rgba(0,0,0,.5); background: #fff; touch-action: none; }
.editor-toolbar input[type=range] { width: 160px; accent-color: var(--accent); }
.editor-hint { color: #bbb; font-size: .85rem; }
.preview-box { gap: 8px; }
.preview-head { display: flex; align-items: center; gap: 12px; color: #fff; }
.preview-head .preview-from { color: #bbb; font-size: .9rem; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview-head .ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); }
.preview-head .ghost:hover { background: rgba(255,255,255,.12); }
.preview-stage { overflow-y: auto; overflow-x: hidden; display: flex; flex-direction: column; align-items: center; justify-content: flex-start; gap: 16px; padding: 12px 0; touch-action: pan-y; overscroll-behavior: contain; -webkit-overflow-scrolling: touch; }
.preview-page { flex: 0 0 auto; background: #fff; }
.preview-page canvas { display: block; width: 100%; height: auto; touch-action: pan-y; border: 1px solid #ccc; box-shadow: 0 0 0 1px rgba(255,255,255,.25), 0 8px 30px rgba(0,0,0,.5); background: #fff; }
.preview-foot .editor-group button { min-width: 40px; }

/* IC page preview */
.ic-page-preview { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.ic-preview-controls { flex: 1 1 220px; display: flex; flex-direction: column; gap: 12px; }
.range-label { display: flex; flex-direction: column; gap: 6px; font-size: .9rem; color: var(--muted); }
.range-label input[type=range] { width: 100%; accent-color: var(--accent); }
.range-value { color: var(--text); font-weight: 600; }
#ic-preview { width: 100%; max-width: 300px; height: auto; border: 1.5px solid #9aa3ad; box-shadow: 0 3px 12px rgba(0,0,0,.18); background: #fff; }
@media (max-width: 640px) {
  .build-actions { width: 100%; }
  .build-actions button { flex: 1 1 auto; }
  #ic-preview { max-width: 100%; }
}

/* Page cards */
.page-grid { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.page-card {
  box-shadow: 0 1px 3px rgba(0,0,0,.06);
  display: grid; grid-template-columns: 120px 1fr; grid-template-rows: auto 1fr auto; grid-template-areas: "head head" "thumb meta" "thumb actions"; background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  overflow: hidden; cursor: grab; transition: border-color .15s, box-shadow .15s;
  border: 1.5px solid #b9c0ca;
}
.page-card:hover { border-color: var(--accent); box-shadow: 0 2px 8px rgba(194,65,12,.15); }
.page-card.dragging { opacity: .4; }
.page-card.drop-target { border-color: var(--accent); box-shadow: 0 0 0 2px #fdd9c8; }
.page-card.status-error { border-color: #f3c4c4; }
.page-card .page-head {
  grid-area: head;
  display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; font-weight: 700; font-size: .95rem;
  background: #fff3ec; color: var(--accent); border-bottom: 1.5px solid #f0c9b5;
}
.page-card .page-head .handle { letter-spacing: -3px; color: var(--muted); font-weight: normal; }
.page-card .thumb {
  grid-area: thumb; width: 120px; padding: 8px; box-sizing: border-box; border-right: 1.5px solid #e2e5ea; background: var(--bg);
  aspect-ratio: 210 / 297; background: #fff; display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative;
}
.page-card .thumb img, .page-card .thumb canvas { max-width: 100%; max-height: 100%; object-fit: contain; display: block; border: 1px solid #9aa3ad; box-shadow: 0 2px 6px rgba(0,0,0,.25); background: #fff; }
.page-card .thumb .thumb-loading, .page-card .thumb .thumb-error { color: var(--muted); font-size: .85rem; padding: 8px; text-align: center; }
.page-card .thumb .thumb-error { color: var(--err); }
.page-card .thumb .badge { position: absolute; right: 6px; bottom: 6px; background: rgba(0,0,0,.6); color: #fff; font-size: .72rem; padding: 2px 6px; border-radius: 10px; }
.page-card .meta { grid-area: meta; padding: 10px 12px; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.page-card .name { font-size: .85rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.page-card .details { font-size: .75rem; color: var(--muted); }
.page-card .actions { grid-area: actions; display: flex; gap: 6px; padding: 0 12px 10px; flex-wrap: wrap; align-self: end; }
.page-card .actions button { padding: 5px 12px; font-size: 1rem; }
.page-card .actions button.danger { color: var(--err); border-color: #e3a8a8; }
.page-card .actions button.danger:hover:not(:disabled) { background: #fff1f1; border-color: var(--err); color: var(--err); }

/* Add-page placeholder */
.add-card {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; text-align: center;
  border: 2px dashed #b9c0ca; border-radius: 10px; padding: 18px 12px; min-height: 160px; background: var(--card);
  transition: border-color .15s, background .15s; cursor: pointer;
}
.add-card:hover, .add-card.over { border-color: var(--accent); background: #fff7f2; }
.add-card .add-plus { font-size: 2rem; color: var(--accent); line-height: 1; }
.add-card .add-title { font-weight: 600; }
.add-card .add-drop { color: var(--muted); font-size: .85rem; }
.add-card .add-actions { display: flex; flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 8px; width: 100%; }
.add-card .add-actions button, .add-card .add-actions a { width: auto; min-width: 150px; font-size: .95rem; font-weight: 600; padding: 8px 12px; text-decoration: none; color: var(--accent); border: 2px solid var(--accent); border-radius: 6px; background: #fff; display: block; text-align: center; }
.add-card .add-actions a:hover, .add-card .add-actions button:hover { background: #fff3ec; color: var(--accent); border-color: var(--accent-hover); }

@media (max-width: 640px) {
  .page-grid { gap: 10px; }
  .page-card { grid-template-columns: 96px 1fr; }
  .page-card .thumb { width: 96px; padding: 6px; }
  .page-card .actions button { padding: 5px 9px; }
  .add-card .add-actions { flex-direction: column; }
  .add-card .add-actions button, .add-card .add-actions a { width: 100%; }
}

.footer-links { margin: 6px 0 0; }
.footer-links a { color: var(--muted); text-decoration: underline; }
.footer-links a:hover { color: var(--accent); }
footer p { margin: 0; }

/* Build version stamp in footer */
.footer-links .build-ver { color: #999; font-size: .8rem; }

/* Preview scrollbar: thin, translucent, matches the dark overlay */
.preview-stage { scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.35) transparent; scrollbar-gutter: stable; }
.preview-stage::-webkit-scrollbar { width: 8px; }
.preview-stage::-webkit-scrollbar-track { background: transparent; }
.preview-stage::-webkit-scrollbar-thumb { background: rgba(255,255,255,.35); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
.preview-stage::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.6); background-clip: padding-box; }