:root {
  --ca-brand: #0284c7;
  --ca-header: #0284c7;
  --ca-bg: #f5f5f7;
  --ca-panel: #ffffff;
  --ca-panel-soft: #fafafa;
  --ca-border: #e5e5ea;
  --ca-muted: #6e6e73;
  --ca-fg: #1d1d1f;
  --ca-hover: #f2f2f7;
  --ca-accent: #0ea5e9;
  --ca-faint: #8e8e93;
  --ca-ring: rgba(2, 132, 199, 0.35);
  --ca-input: #ffffff;
  --ca-good: #248a3d;
  --ca-warn: #b25000;
  --ca-bad: #d70015;
  --ca-font: "Segoe UI", system-ui, sans-serif;
}
html.dark {
  --ca-brand: #f5f5f7;
  --ca-header: #ffffff;
  --ca-bg: #000;
  --ca-panel: #1c1c1e;
  --ca-panel-soft: #2c2c2e;
  --ca-border: #38383a;
  --ca-muted: #98989d;
  --ca-fg: #f5f5f7;
  --ca-hover: #2c2c2e;
  --ca-accent: #8e8e93;
  --ca-faint: #636366;
  --ca-ring: rgba(142, 142, 147, 0.45);
  --ca-input: #1c1c1e;
  --ca-good: #30d158;
  --ca-warn: #ffd60a;
  --ca-bad: #ff453a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; min-height: 100vh; background: var(--ca-bg); color: var(--ca-fg); font: 15px/1.5 var(--ca-font); }
body:has(.shell) { display: flex; flex-direction: column; overflow: hidden; }
a { color: var(--ca-brand); text-decoration: none; }
h1, html.dark h1 { font-size: 1.85rem; font-weight: 600; margin: 0; letter-spacing: -0.02em; color: #0284c7; }
h2 { font-size: 1.15rem; margin: 0 0 .85rem; }
.topbar { display: flex; align-items: center; gap: 1rem; padding: 1.2rem 1.4rem .85rem; background: var(--ca-bg); }
.brand { display: flex; align-items: center; gap: .7rem; color: var(--ca-header); font-weight: 600; text-decoration: none; }
.brand img { width: 44px; height: 44px; border-radius: 12px; }
.brand-word { font-size: 2rem; letter-spacing: -0.03em; }
.brand-gu { font-weight: 400; }
.brand-voice { font-weight: 700; }
.topbar-meta { flex: 1; display: flex; justify-content: flex-end; align-items: center; gap: .5rem; }
button.header-icon-btn { width: 2.25rem; height: 2.25rem; padding: 0; border-radius: 999px; border: 1px solid var(--ca-border); background: var(--ca-panel); color: var(--ca-muted); cursor: pointer; }
.shell { flex: 1; min-height: 0; display: grid; grid-template-columns: 232px minmax(0, 1fr); }
.nav { padding: 1.15rem .9rem 1.6rem; display: flex; flex-direction: column; gap: .4rem; overflow: auto; }
.nav button { text-align: left; color: var(--ca-fg); padding: .6rem .85rem; border-radius: 10px; border: 0; background: transparent; font: inherit; cursor: pointer; }
.nav button.active, .nav button:hover { background: #0284c7; color: #fff; }
main { min-height: 0; overflow: auto; padding: 0 2.1rem 3rem; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: .7rem 0 1.15rem; }
.sub { color: var(--ca-muted); margin: 0 0 1.25rem; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1.2rem; margin: 0 0 1.4rem; }
.metric, .panel { background: var(--ca-panel); border-radius: 16px; padding: 1.2rem 1.3rem; }
.metric { text-align: center; }
.metric .k { color: var(--ca-muted); font-size: .95rem; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; }
.metric .v { font-size: 1.9rem; font-weight: 700; margin-top: .25rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .8rem; color: var(--ca-muted); margin-bottom: .7rem; }
input, select, textarea { background: var(--ca-input); color: var(--ca-fg); border: 1px solid var(--ca-border); border-radius: 8px; padding: .5rem .65rem; font: inherit; width: 100%; }
textarea { min-height: 7rem; resize: vertical; }
button, .btn { background: #0284c7; color: #fff; border: 0; border-radius: 8px; padding: .5rem .85rem; font: inherit; cursor: pointer; }
html.dark button, html.dark .btn { background: #3a3a3c; }
.btn.ghost, button.ghost { background: transparent; color: var(--ca-fg); border: 1px solid var(--ca-border); }
.actions { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: end; }
.row > * { flex: 1; min-width: 8rem; }
table { width: 100%; border-collapse: separate; border-spacing: 0; background: var(--ca-panel); border-radius: 16px; overflow: hidden; }
th, td { text-align: left; padding: .75rem .9rem; border-bottom: 1px solid var(--ca-border); vertical-align: top; }
th { font-size: .75rem; color: var(--ca-muted); }
.pill { font-size: .75rem; padding: .15rem .55rem; border-radius: 999px; background: var(--ca-panel-soft); }
.pill.live { background: #248a3d; color: #fff; }
.error, .alert-error { color: var(--ca-bad); background: rgba(215, 0, 21, .08); border-radius: 8px; padding: .5rem .7rem; }
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; background: var(--ca-bg); }
.login-card { width: min(28rem, calc(100vw - 2rem)); background: var(--ca-panel); border: 1px solid var(--ca-border); border-radius: 1rem; padding: 2.25rem 2.5rem; box-shadow: 0 25px 50px -12px rgba(0,0,0,.18); }
.login-card .brand-row { display: flex; flex-direction: column; align-items: center; gap: .5rem; margin-bottom: 1.4rem; }
.login-mark { width: 4.5rem; height: 4.5rem; border-radius: .85rem; }
.login-card h1 { text-align: center; font-size: clamp(1.8rem, 6vw, 2.6rem); }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin: .2rem 0 .8rem; }
.chips button { background: transparent; color: var(--ca-fg); border: 1px solid var(--ca-border); border-radius: 999px; }
.chips button.active { background: #0284c7; color: #fff; border-color: #0284c7; }
audio { width: 100%; margin-top: .6rem; }
.hidden { display: none !important; }
.span-list { display: flex; flex-wrap: wrap; gap: .4rem; }
.span-list span { background: var(--ca-panel-soft); border-radius: 999px; padding: .2rem .55rem; font-size: .8rem; }
.read-script {
  background: #fff;
  color: #111;
  border: 1px solid #d8d8de;
  border-radius: 16px;
  padding: 1.45rem 1.6rem 1.6rem;
  font-size: 1.65rem;
  line-height: 1.55;
  font-weight: 600;
  letter-spacing: -0.011em;
  white-space: pre-wrap;
  margin: 0 0 1rem;
}
html.dark .read-script { background: #fff; color: #111; }
.read-script.live { outline: 4px solid #d11f1f; background: #fde8e8; }
.create-status { font-weight: 700; color: #0284c7; margin: 0 0 .8rem; }
.create-status.recording { color: #d11f1f; }
.rec-level { height: 8px; background: #e6e6ea; border-radius: 999px; overflow: hidden; margin: 0 0 .8rem; }
.rec-level span { display: block; height: 100%; width: 0; background: #d11f1f; }
.rec-actions { margin: .2rem 0 1rem; }
.rec-actions button { min-width: 6.5rem; font-weight: 700; letter-spacing: .06em; padding: .65rem 1rem; }
#create-rec.recording,
#create-rec.recording:disabled,
html.dark #create-rec.recording,
html.dark #create-rec.recording:disabled {
  background: #d11f1f;
  color: #fff;
  opacity: 1;
}
button:disabled, .btn:disabled { opacity: .38; cursor: not-allowed; }
.ok-note { color: var(--ca-good); background: rgba(36, 138, 61, .12); border-radius: 8px; padding: .55rem .75rem; }
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .nav { flex-direction: row; overflow: auto; }
  .grid-2 { grid-template-columns: 1fr; }
}