:root {
  --bg: #10131a;
  --card: #171b26;
  --card-2: #1e2331;
  --fg: #e7ecf5;
  --muted: #8b95a7;
  --line: #2a3142;
  --accent: #4f8cff;
  --ok: #2fbf71;
  --bad: #e5534b;
  --warn: #d29922;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 24px;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

h1 { font-size: 20px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 12px; letter-spacing: .02em; text-transform: uppercase; color: var(--muted); }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.header-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

/* login */
.login-card { max-width: 380px; margin: 12vh auto; }
.login-card label { display: block; margin: 14px 0 6px; font-size: 13px; color: var(--muted); }
.login-card input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--fg);
  font-size: 15px;
}
.login-card button { width: 100%; margin-top: 16px; }

/* controls */
button {
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--fg);
  padding: 9px 14px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  transition: filter .12s ease, opacity .12s ease;
}
button:hover:not(:disabled) { filter: brightness(1.25); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.danger { background: #3a1f22; border-color: #63343a; }
button.ghost { background: transparent; }
button.copy { padding: 4px 9px; font-size: 12px; }

input:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* badges and pills */
.badge, .pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--muted);
}
.pill.ok, .badge.ok { color: #0b1a12; background: var(--ok); border-color: var(--ok); }
.pill.bad, .badge.bad { color: #fff; background: #4a2320; border-color: #6d332e; }

.error { color: var(--bad); font-size: 14px; }

/* rows */
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.row .label { color: var(--muted); font-size: 13px; min-width: 82px; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 3px 7px;
}
code.wrap { word-break: break-all; }

/* language cards */
.lang-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.lang-head h2 { margin: 0; color: var(--fg); font-size: 17px; text-transform: none; letter-spacing: 0; }

.meta { display: flex; gap: 22px; margin: 0 0 14px; flex-wrap: wrap; }
.meta div { margin: 0; }
.meta dt { font-size: 11px; text-transform: uppercase; color: var(--muted); letter-spacing: .04em; }
.meta dd { margin: 2px 0 0; font-size: 14px; }

.controls { display: flex; gap: 8px; margin-bottom: 12px; }
.player { width: 100%; height: 36px; }

/* live controls */
.live-grid { display: flex; flex-direction: column; gap: 10px; }
.live-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.live-row .label { color: var(--muted); font-size: 13px; min-width: 110px; }
.live-row code { min-width: 74px; text-align: center; }
button.live-btn { padding: 6px 12px; font-size: 13px; }
button.live-btn.on { background: #12321f; border-color: var(--ok); color: #d6ffe6; }
button.live-btn.off { opacity: .55; }
button.live-btn.busy { opacity: .5; }

#live-model-select {
  background: var(--card-2);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  min-width: 190px;
}
#live-model-hint { flex: 1 1 240px; }

footer { margin-top: 22px; }