:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #16181d;
  --muted: #5d6573;
  --border: #e2e5ea;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eaf1ff;
  --ok: #157f3b;
  --ok-soft: #e5f6eb;
  --bad: #b42318;
  --bad-soft: #fdecea;
  --radius: 10px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 8%);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a21;
    --text: #e8eaee;
    --muted: #9aa3b2;
    --border: #2a2f3a;
    --primary: #4f8cff;
    --primary-hover: #6b9fff;
    --primary-soft: #1a2640;
    --ok: #4ade80;
    --ok-soft: #13291c;
    --bad: #f87171;
    --bad-soft: #2f1717;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
h1, h2 { margin: 0; line-height: 1.25; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1.1rem; margin-bottom: 12px; }
.muted { color: var(--muted); }

/* ---- brand ---- */
.brand { display: flex; align-items: center; gap: 12px; }
.brand p { margin: 0; }
.logo {
  width: 40px; height: 40px; border-radius: 10px; flex: none; background: var(--primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Cpath d='M8 20v-8M12 24V8M16 18v-4M20 22V10M24 19v-6' stroke='white' stroke-width='2.4' stroke-linecap='round'/%3E%3C/svg%3E");
  background-size: cover;
}
.brand.small .logo { width: 28px; height: 28px; border-radius: 7px; }

/* ---- controls ---- */
button {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 9px 16px;
  border: 1px solid transparent;
}
button.primary { background: var(--primary); color: #fff; font-weight: 600; }
button.primary:hover { background: var(--primary-hover); }
button.ghost { background: transparent; color: var(--text); border-color: var(--border); padding: 6px 12px; }
button.ghost:hover { background: var(--bg); }
button.danger { color: var(--bad); }
button:focus-visible, input:focus-visible, .dropzone:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 2px;
}
input {
  font: inherit; width: 100%; margin-top: 6px; padding: 9px 12px; color: var(--text);
  background: var(--surface); border: 1px solid var(--border); border-radius: 8px;
}
label { display: block; font-weight: 500; }
.stack > * + * { margin-top: 16px; }

/* ---- login ---- */
.page-login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 32px; box-shadow: var(--shadow);
}
.login-card form { margin-top: 28px; }
.login-card button { width: 100%; }
.footnote { margin: 24px 0 0; font-size: 12px; text-align: center; }
.alert {
  background: var(--bad-soft); color: var(--bad); border-radius: 8px; padding: 10px 12px;
  font-size: 14px;
}

/* ---- app ---- */
.topbar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 12px 24px; background: var(--surface); border-bottom: 1px solid var(--border);
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-right form { margin: 0; }
.container { max-width: 1000px; margin: 0 auto; padding: 28px 24px 64px; }
.container section + section { margin-top: 36px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; }

.dropzone {
  display: flex; flex-direction: column; align-items: center; gap: 6px; text-align: center;
  padding: 40px 16px; border: 2px dashed var(--border); border-radius: 14px;
  background: var(--surface); cursor: pointer; transition: border-color .15s, background .15s;
  font-weight: 400;
}
.dropzone:hover, .dropzone.over { border-color: var(--primary); background: var(--primary-soft); }
.dz-title { font-size: 1.05rem; font-weight: 600; }
.dz-title u { color: var(--primary); text-decoration: none; }
.dz-icon {
  width: 44px; height: 44px; margin-bottom: 4px; background: var(--primary);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 16V4M7 9l5-5 5 5'/%3E%3Cpath d='M4 16v3a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-3'/%3E%3C/svg%3E") center / contain no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 16V4M7 9l5-5 5 5'/%3E%3Cpath d='M4 16v3a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-3'/%3E%3C/svg%3E") center / contain no-repeat;
}

.queue { list-style: none; padding: 0; margin: 12px 0 0; }
.queue li {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center;
  padding: 10px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); margin-top: 8px; font-size: 14px;
}
.queue .bar { grid-column: 1 / -1; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.queue .bar span { display: block; height: 100%; width: 0; background: var(--primary); transition: width .1s; }
.queue li.done .bar span { background: var(--ok); }
.queue li.failed .bar span { background: var(--bad); }
.queue .state { color: var(--muted); }
.queue li.failed .state { color: var(--bad); }

.notice {
  margin: 0 0 12px; padding: 10px 12px; border-radius: 8px; font-size: 14px;
  background: var(--primary-soft); color: var(--text);
}
.table-wrap {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  overflow-x: auto; box-shadow: var(--shadow);
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:last-child td { border-bottom: 0; }
td.name { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 500; }
td.num { white-space: nowrap; font-variant-numeric: tabular-nums; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.bad { background: var(--bad-soft); color: var(--bad); }
.reason { color: var(--muted); font-size: 12px; margin-top: 4px; max-width: 260px; }
.empty { text-align: center; padding: 28px; margin: 0; }

@media (max-width: 640px) {
  .topbar { padding: 12px 16px; }
  .topbar-right .muted { display: none; }
  .container { padding: 20px 16px 48px; }
  th:nth-child(5), td:nth-child(5) { display: none; }
}

/* ---- navigation ---- */
.topbar-left { display: flex; align-items: center; gap: 28px; }
.tabs { display: flex; gap: 4px; }
.tabs a {
  color: var(--muted); text-decoration: none; padding: 6px 12px; border-radius: 8px; font-weight: 500;
}
.tabs a:hover { color: var(--text); background: var(--bg); }
.tabs a[aria-current="page"] { color: var(--primary); background: var(--primary-soft); }

/* ---- usage ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.card-wide { grid-column: 1 / -1; }
.card-label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.card-value { font-size: 1.6rem; font-weight: 650; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.card-value.bad { color: var(--bad); }
.small { font-size: 12px; font-weight: 400; }
.meter { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; margin-top: 8px; }
.meter span { display: block; height: 100%; background: var(--primary); }
.meter.warn span { background: #d97706; }
.meter.over span { background: var(--bad); }
.meters { list-style: none; padding: 0; margin: 12px 0 0; display: flex; flex-wrap: wrap; gap: 6px 20px; font-size: 14px; }
.small-notice { margin-top: 12px; font-size: 13px; }
@media (max-width: 640px) {
  .topbar-left { gap: 12px; }
  .brand.small strong { display: none; }
}

/* ---- statuses & transcript ---- */
.badge.wait { background: var(--primary-soft); color: var(--primary); }
.badge.busy { background: var(--primary-soft); color: var(--primary); }
.badge.busy::before {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 6px; border-radius: 50%;
  border: 2px solid currentColor; border-right-color: transparent; vertical-align: -1px;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .badge.busy::before { animation: none; } }
a { color: var(--primary); }
a.button {
  display: inline-block; text-decoration: none; border-radius: 8px; padding: 8px 14px;
  border: 1px solid var(--border); color: var(--text); font-weight: 500;
}
a.button:hover { background: var(--bg); }
.back { text-decoration: none; font-size: 14px; }
.title-file { word-break: break-all; }
.transcript-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 16px; }
.transcript {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; font-size: 1.05rem; line-height: 1.7; white-space: pre-wrap; box-shadow: var(--shadow);
}
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px 24px; margin: 20px 0 0; }
.facts dt { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.facts dd { margin: 2px 0 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; word-break: break-all; }

/* ---- audio ---- */
button.play {
  width: 28px; height: 28px; padding: 0; margin-right: 8px; border-radius: 50%; vertical-align: middle;
  border: 1px solid var(--border); background: var(--surface); color: var(--primary); flex: none;
  position: relative;
}
button.play:hover { background: var(--primary-soft); border-color: var(--primary); }
button.play::before {  /* play triangle */
  content: ""; position: absolute; left: 10px; top: 8px;
  border-style: solid; border-width: 6px 0 6px 9px; border-color: transparent transparent transparent currentColor;
}
button.play.playing { background: var(--primary); border-color: var(--primary); color: #fff; }
button.play.playing::before {  /* pause bars */
  left: 9px; top: 8px; width: 3px; height: 12px; border: 0; background: currentColor;
  box-shadow: 6px 0 0 currentColor;
}
td.name a { color: var(--text); text-decoration: none; }
td.name a:hover { color: var(--primary); text-decoration: underline; }
.player { width: 100%; margin: 0 0 16px; }

/* ---- login title ---- */
.login-card .brand h1 { font-size: 1.35rem; line-height: 1.3; }
.login-card .hint { margin: 0; font-size: 14px; }