:root {
  color-scheme: dark;
  --bg: #0e1412;
  --sidebar: #101816;
  --panel: #17211e;
  --ink: #101714;
  --line: #2c3b36;
  --text: #e7f0ec;
  --muted: #93a59c;
  --ok: #7dcea0;
  --warn: #e6c07b;
  --bad: #ef8b8b;
  --accent: #1f8a70;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a { color: inherit; }
code { font-family: ui-monospace, "Cascadia Code", monospace; font-size: 0.92em; }
button, input, select, textarea { font: inherit; color: inherit; }

.app {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 28px 16px;
  background: var(--sidebar);
  border-right: 1px solid var(--line);
}

.brand {
  margin: 0 12px 28px;
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.04em;
}

.brand span {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

#nav a,
.nav a {
  display: block;
  margin-bottom: 4px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
}

#nav a.active,
#nav a:hover,
.nav a.active,
.nav a:hover {
  background: var(--panel);
  color: var(--text);
}

.nav-jump { display: none; }

.main {
  width: min(980px, 100%);
  padding: 32px 36px 72px;
}

header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 8px;
}

h1 {
  margin: 0;
  font-size: 30px;
  font-weight: 650;
  letter-spacing: -0.04em;
}

h2 { margin: 0 0 8px; font-size: 16px; font-weight: 650; }
.eyebrow { margin: 0 0 4px; color: var(--muted); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; }
.header-actions { display: flex; gap: 12px; align-items: center; }

button, a.button {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  text-decoration: none;
}

button.ghost, a.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

input[type="text"], input[type="number"], input[type="file"], select, textarea {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}

textarea { min-height: 180px; resize: vertical; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 20px;
  margin: 16px 0;
}

.grid { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 16px; }
.grid .card { margin: 0; }
.muted { color: var(--muted); }
.row { display: flex; gap: 16px; flex-wrap: wrap; }
.field { flex: 1; min-width: 160px; }
.stat b { display: block; font-size: 22px; letter-spacing: -0.03em; }

.pill {
  border-radius: 999px;
  padding: 4px 10px;
  background: #24302c;
  text-transform: capitalize;
}
.pill.ready { color: var(--ok); }
.pill.error, .pill.disconnected { color: var(--bad); }
.pill.connecting, .pill.discovering, .pill.starting, .pill.reconnecting { color: var(--warn); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-top: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
label { display: block; margin: 14px 0 6px; color: var(--muted); }
.check { display: flex; gap: 8px; align-items: center; color: var(--text); margin: 10px 0; }
.error { color: var(--bad); min-height: 1.2em; }
.ok { color: var(--ok); }
.actions { display: flex; gap: 12px; align-items: center; margin-top: 18px; }
.gate { max-width: 460px; margin: 72px auto; }
.hidden { display: none !important; }
.preview { display: flex; gap: 16px; align-items: center; margin-top: 12px; }
.preview img { width: 72px; height: 72px; border-radius: 16px; object-fit: cover; background: var(--ink); }
.banner-preview { width: 100%; max-height: 140px; object-fit: cover; border-radius: 12px; margin-top: 12px; }

@media (max-width: 800px) {
  .app { display: block; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar nav { display: none; }
  .nav-jump { display: block; margin: 0 12px; }
  .main { padding: 20px 16px 48px; }
  .grid { grid-template-columns: 1fr; }
  header { flex-direction: column; align-items: flex-start; }
}