:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #272c36;
  --text: #e8eaf0;
  --muted: #9aa3b2;
  --accent: #4f8cff;
  --ok: #35c07a;
  --warn: #e0a83c;
  --error: #e2564d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main { max-width: 920px; margin: 0 auto; padding: 32px 20px 64px; }
main.narrow { max-width: 420px; padding-top: 15vh; }

h1 { font-size: 1.6rem; margin: 0 0 4px; }
h2 { font-size: 1.2rem; margin: 28px 0 8px; }
h3 { font-size: 1rem; margin: 28px 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

a { color: var(--accent); }
code { background: #0b0d11; padding: 1px 5px; border-radius: 4px; font-size: .9em; }

.lead { color: var(--muted); font-size: 1.05rem; }
.muted { color: var(--muted); }
.small { font-size: .85em; }

.bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; }

button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 9px 16px;
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
button:hover { filter: brightness(1.1); }
button:disabled { opacity: .45; cursor: not-allowed; filter: none; }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--text); }
button.danger { background: transparent; border: 1px solid var(--error); color: var(--error); padding: 5px 10px; font-size: .85em; }

input, textarea {
  background: #0b0d11;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  padding: 9px 11px;
  font: inherit;
  width: 100%;
}
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; resize: vertical; }
label { font-weight: 500; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 12px 0; }
.row input { flex: 1 1 180px; width: auto; }
.row button { flex: 0 0 auto; }
.stack { display: flex; flex-direction: column; gap: 10px; margin: 12px 0; }

section { border-top: 1px solid var(--line); padding-top: 4px; margin-top: 28px; }
section:first-of-type { border-top: 0; }
.panel { border-top: 0; }

.tabs { display: flex; gap: 4px; margin: 20px 0 8px; border-bottom: 1px solid var(--line); }
.tab { background: transparent; color: var(--muted); border-radius: 6px 6px 0 0; padding: 9px 16px; }
.tab.active { background: var(--panel); color: var(--text); }

table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: .94em; }
th { text-align: left; color: var(--muted); font-weight: 500; font-size: .85em; text-transform: uppercase; letter-spacing: .05em; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.settings td:first-child { width: 34%; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: .85em; font-family: ui-monospace, monospace; background: var(--panel); border: 1px solid var(--line); }
.badge.set { color: var(--ok); border-color: var(--ok); }
.badge.empty { color: var(--muted); }
.badge.error { color: var(--error); border-color: var(--error); }

.alert { padding: 11px 14px; border-radius: 6px; margin: 14px 0; border: 1px solid; }
.alert.error { color: var(--error); border-color: var(--error); background: rgba(226, 86, 77, .08); }
.alert.warn { color: var(--warn); border-color: var(--warn); background: rgba(224, 168, 60, .08); }

.toast { position: sticky; top: 12px; z-index: 10; padding: 11px 14px; border-radius: 6px; margin: 12px 0; border: 1px solid var(--line); background: var(--panel); word-break: break-all; }
.toast.ok { border-color: var(--ok); }
.toast.error { border-color: var(--error); color: var(--error); }
.toast.reveal { border-color: var(--warn); color: var(--warn); font-family: ui-monospace, monospace; }

.versions { list-style: none; padding: 0; margin: 12px 0; }
.versions li { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.excerpt { color: var(--muted); font-size: .88em; margin-top: 3px; }

#status { color: var(--muted); margin: 10px 0; }
#transcript { margin-top: 14px; max-height: 320px; overflow-y: auto; }
.line { padding: 7px 11px; border-radius: 6px; margin-bottom: 6px; background: var(--panel); }
.line.user { background: #1c2330; }
#callStatus { color: var(--muted); margin-top: 10px; }