:root {
  --bg: #0b0e14; --panel: #121722; --panel2: #1a2130; --field: #0f141d; --line: #232c3d; --text: #e6eaf2; --muted: #8b95a8; --faint: #5b6577;
  --accent: #38bdf8; --accent-ink: #03202f; --ok: #34d399; --warn: #fbbf24; --bad: #f87171;
  --r: 10px; --font: Inter, system-ui, -apple-system, "Segoe UI", sans-serif; --mono: ui-monospace, Menlo, monospace;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f5f6f9; --panel: #fff; --panel2: #eef1f6; --field: #f8f9fb; --line: #dfe3ea; --text: #111827; --muted: #5b6577; --faint: #8b95a8; --accent: #0284c7; --accent-ink: #fff; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.45 var(--font); }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; padding: 7px 13px; cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--accent); } button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 600; }
button.ghost { background: transparent; } button.danger { color: var(--bad); }
input, select, textarea { background: var(--field); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
input[type=color] { width: 48px; height: 34px; padding: 2px; } input[type=checkbox] { width: auto; accent-color: var(--accent); }
a { color: var(--accent); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 18px 16px 60px; }
header.top { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
header.top h1 { font-size: 19px; margin: 0; } header.top .sp { flex: 1; }
nav.tabs { display: flex; gap: 4px; } nav.tabs button { background: transparent; border-color: transparent; color: var(--muted); }
nav.tabs button.on { color: var(--text); background: var(--panel2); }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; margin-bottom: 14px; }
.card h2 { font-size: 15px; margin: 0 0 12px; display: flex; align-items: center; gap: 10px; } .card h2 .sp { flex: 1; }
.muted { color: var(--muted); } small { font-size: 12px; }
.err { color: var(--bad); min-height: 1em; } .ok { color: var(--ok); }
table { width: 100%; border-collapse: collapse; } th, td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; } tr.click { cursor: pointer; } tr.click:hover td { background: var(--panel2); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--faint); }
.dot.online { background: var(--ok); } .dot.offline { background: var(--bad); } .dot.pending { background: var(--warn); }
.badge { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 999px; background: var(--panel2); color: var(--muted); border: 1px solid var(--line); }
.form { display: grid; gap: 12px; }
.frow { display: grid; grid-template-columns: 130px 1fr auto; gap: 10px; align-items: center; }
.frow label.lock { display: flex; gap: 6px; align-items: center; color: var(--muted); font-size: 12px; white-space: nowrap; }
.frow .hint { grid-column: 2 / 4; margin-top: -6px; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.logo-prev { height: 40px; max-width: 180px; object-fit: contain; background: var(--field); border-radius: 6px; padding: 4px; }
.code { font: 600 20px var(--mono); letter-spacing: .08em; background: var(--field); border: 1px dashed var(--accent); border-radius: 8px; padding: 10px 14px; display: inline-block; user-select: all; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: flex; align-items: flex-start; justify-content: center; padding: 40px 12px; overflow: auto; z-index: 10; }
.modal .card { width: min(680px, 100%); }
.login { max-width: 360px; margin: 12vh auto; } .login .form label { display: grid; gap: 4px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 14px; margin: 0; } .kv dt { color: var(--muted); } .kv dd { margin: 0; word-break: break-all; }
@media (max-width: 640px) { .frow { grid-template-columns: 1fr auto; } .frow > span:first-child { grid-column: 1 / 3; } .frow .hint { grid-column: 1 / 3; } .hide-sm { display: none; } }
a.button { display: inline-block; background: var(--accent); color: var(--accent-ink); border-radius: 8px; padding: 7px 13px; text-decoration: none; font-weight: 600; } a.button:hover { filter: brightness(1.08); }
code { font: 12px var(--mono); background: var(--field); border: 1px solid var(--line); border-radius: 5px; padding: 0 4px; word-break: break-all; }
header.top a.ghost { color: var(--text); text-decoration: none; padding: 7px 13px; border: 1px solid var(--line); border-radius: 8px; }

/* the station editor's tabs */
.modal .card:has(.tabs.sub) { width: min(860px, 100%); }
.tabs.sub { display: flex; flex-wrap: wrap; gap: 2px; border-bottom: 1px solid var(--line); margin: -4px 0 6px; }
.tabs.sub button { background: transparent; border: 0; border-bottom: 2px solid transparent; border-radius: 0; color: var(--muted); padding: 8px 12px; }
.tabs.sub button:hover { color: var(--text); }
.tabs.sub button.on { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.tabbody { min-height: 280px; }
.tabbody > .form > h2:first-child, .tabbody > .form > .form:first-child > h2:first-child { margin-top: 0 !important; }
.modal-foot { position: sticky; bottom: 0; background: var(--panel); padding: 10px 0 4px; border-top: 1px solid var(--line); }