:root {
  --bg: #0b1212;
  --card: #121d1c;
  --surface: #182624;
  --ink: #f2eee4;
  --accent: #e6b94f;
  --accent-strong: #ffd56f;
  --accent-2: #16866f;
  --error: #e57373;
  --muted: #9eaaa6;
  --line: rgb(230 185 79 / 18%);
  --focus: #8ee8d3;
  --shadow: 0 24px 60px rgb(0 0 0 / 28%);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg:#f3efe4; --card:#fffdf8; --surface:#f6f1e6; --ink:#15211f;
    --muted:#5c6965; --line:rgb(109 77 8 / 18%); --shadow:0 20px 50px rgb(49 40 15 / 12%);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  display: flex; flex-direction: column; min-height: 100vh;
  background-image:
    radial-gradient(circle at 12% 0%, rgb(22 134 111 / 16%), transparent 32rem),
    radial-gradient(circle at 88% 10%, rgb(230 185 79 / 10%), transparent 28rem);
}
header, main, footer { width: min(880px, 92vw); margin: 0 auto; }
header { padding: 2.4rem 0 1rem; }
.header-row { justify-content: space-between; align-items: center; }
.ui-lang { margin: 0; font-size: .85rem; color: var(--muted); }
.history-head { justify-content: space-between; align-items: baseline; }
#history-search { flex: 1; }
#dict-input { flex: 1; }
#dict-results { list-style: none; padding: 0; margin: .5rem 0; }
#dict-results li {
  border-top: 1px solid rgb(138 148 158 / 25%); padding: .5rem 0;
  display: flex; justify-content: space-between; gap: .8rem; align-items: baseline;
}
.dict-fr { flex: 1; }
.dict-nko { font-size: 1.4rem; font-family: "Noto Sans NKo", "Ebrima", sans-serif; }
#dict-results button { padding: .15rem .5rem; font-size: .9rem; }
h1 { font-size: clamp(1.45rem, 3vw, 2rem); margin: 0; letter-spacing: -.025em; }
.nko-glyph { color: var(--accent); font-size: 1.25em; margin-inline-end: .35rem; }
.subtitle { color: var(--muted); margin: .2rem 0 0; }
main { flex: 1; }
.card {
  background: color-mix(in srgb, var(--card) 94%, transparent); border-radius: 22px;
  border: 1px solid var(--line); padding: clamp(1.15rem, 3vw, 2rem);
  margin: 1rem 0; box-shadow: var(--shadow); backdrop-filter: blur(14px);
}
.hidden { display: none; }
label { display: block; margin: .6rem 0; }
label.inline { display: flex; align-items: center; gap: .5rem; margin: 0; }
select {
  padding: .55rem .7rem; border-radius: 10px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink);
}
input {
  width: 100%; padding: .68rem .8rem; border-radius: 10px;
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
}
.row { display: flex; gap: .6rem; align-items: center; margin: .8rem 0; flex-wrap: wrap; }
.row input { flex: 1; width: auto; }
button {
  min-height: 42px; padding: .62rem 1.05rem; border: 0; border-radius: 11px; cursor: pointer;
  background: var(--accent); color: #15211f; font-weight: 750;
  transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
}
button:hover:not(:disabled) { transform: translateY(-1px); }
.preview { margin-top: 1rem; padding: 1rem; border: 1px solid #ddd; border-radius: 1rem; }
.preview canvas { width: 100%; height: 120px; background: #f7f3e8; border-radius: .5rem; }
.preview audio, .preview progress { width: 100%; margin: .6rem 0; }
.preview-actions { position: sticky; top: .4rem; z-index: 2; padding: .35rem; background: var(--card); }
.preview-actions button { flex: 1 1 8rem; }
.segment { padding: .7rem; margin: .5rem 0; border-inline-start: 4px solid #168b77; background: #faf8f1; }
.segment textarea { width: 100%; margin-top: .35rem; }
button.secondary { background: transparent; color: var(--accent-strong); border: 1px solid var(--line); }
button.secondary:hover:not(:disabled) { background: rgb(230 185 79 / 9%); border-color: var(--accent); }
button.record { background: var(--accent-2); color: #fff; }
button.record.recording { background: #c62828; }
button:disabled { opacity: .5; cursor: not-allowed; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, a:focus-visible {
  outline: 3px solid var(--focus); outline-offset: 3px;
}
.error { color: var(--error); min-height: 1.2em; margin: .4rem 0; }
.hint { color: var(--muted); margin: .6rem 0 .2rem; }
.nko-text {
  font-size: 2rem; line-height: 1.9; direction: rtl; text-align: right;
  font-family: "Noto Sans NKo", "Ebrima", "Kigelia", sans-serif;
  background: rgb(230 185 79 / 7%); border-radius: 14px; padding: .8rem 1rem;
  min-height: 2.2rem; overflow-wrap: anywhere;
}
textarea.nko-text {
  width: 100%; display: block; border: 1px solid var(--muted); color: var(--ink);
  resize: vertical; box-sizing: border-box;
}
textarea.nko-text:focus { outline: 2px solid var(--accent); border-color: var(--accent); }

.skip-link {
  position: fixed; inset-block-start: .7rem; inset-inline-start: .7rem; z-index: 20;
  padding: .6rem .8rem; border-radius: 8px; background: var(--accent); color: #15211f;
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
.workspace-head { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.workspace-head h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2rem); }
.eyebrow {
  margin: 0 0 .15rem; color: var(--accent); font-size: .72rem; font-weight: 800;
  letter-spacing: .13em; text-transform: uppercase;
}
.tool-section { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.tool-section > h2, .tool-section > .history-head h2 { margin: 0; font-size: 1.15rem; }
.result-section { border: 1px solid var(--line); border-radius: 16px; padding: 1.1rem; background: var(--surface); }
.quiet { min-height: 38px; padding: .45rem .75rem; color: var(--muted); }
#auth-panel { max-width: 520px; margin-inline: auto; }
#file-input { padding: .55rem; border-style: dashed; }

/* On-screen N'Ko keyboard */
.keyboard { margin: .6rem 0 1rem; display: flex; flex-direction: column; gap: .4rem; }
.kb-row { display: flex; flex-wrap: wrap; gap: .35rem; }
.kb-key {
  min-width: 2.4rem; padding: .5rem; font-size: 1.4rem; line-height: 1;
  background: var(--card); color: var(--ink); border: 1px solid var(--muted);
  border-radius: 8px; font-family: "Noto Sans NKo", "Ebrima", sans-serif;
}
.kb-key:hover { border-color: var(--accent); }
.kb-key.kb-ctrl { font-size: 1rem; font-family: system-ui, sans-serif; flex: 1; }
#history { list-style: none; padding: 0; }
#history li {
  border-top: 1px solid var(--line); padding: .8rem 0;
  display: flex; justify-content: space-between; gap: .8rem; align-items: baseline;
}
#history .nko { direction: rtl; font-size: 1.3rem; font-family: "Noto Sans NKo", "Ebrima", sans-serif; }
#history .meta { color: var(--muted); font-size: .8rem; white-space: nowrap; }
#history button { padding: .15rem .5rem; font-size: .8rem; }
footer { color: var(--muted); font-size: .85rem; padding: 1rem 0 2rem; }

@media (max-width: 620px) {
  header { padding-top: 1.35rem; }
  .header-row { align-items: flex-start; }
  .ui-lang { width: 100%; justify-content: space-between; }
  .card { border-radius: 16px; }
  .capture-section .row button { flex: 1 1 8rem; }
  #history li { align-items: center; }
  #history .nko { flex: 1 0 65%; }
  #history .meta { order: 4; flex: 1 0 100%; white-space: normal; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  button { transition: none; }
}

/* Print-only area for "Download PDF" (browser Save as PDF) */
#print-area { display: none; }
@media print {
  body > *:not(#print-area) { display: none !important; }
  #print-area {
    display: block; padding: 2rem;
    font-family: "Noto Sans NKo", "Ebrima", "Kigelia", sans-serif;
  }
  #print-nko { direction: rtl; text-align: right; font-size: 2rem; line-height: 1.9; }
  #print-latin {
    direction: ltr; text-align: left; margin-top: 1.5rem;
    font-family: system-ui, sans-serif; font-size: 1rem; color: #333;
  }
}