:root {
  --bg: #0d1626;
  --surface: #15233a;
  --surface-2: #1c2e4a;
  --border: #2a3d5c;
  --text: #e8eef7;
  --muted: #8ea0bb;
  --gold: #f2c14e;
  --mint: #3ddc97;
  --red: #ff6b6b;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.hidden { display: none !important; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 2;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; }
.brand img { width: 30px; height: 30px; }

main { max-width: 1100px; margin: 0 auto; padding: 16px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 16px;
}
.card.narrow { max-width: 420px; margin: 40px auto; }
.card-head { display: flex; align-items: center; justify-content: space-between; }

h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 16px; margin: 0 0 12px; color: var(--muted); font-weight: 600; }
.hint { color: var(--muted); margin: 8px 0; }
.error { color: var(--red); margin: 8px 0 0; min-height: 0; }
.error:empty { display: none; }
small { display: block; color: var(--muted); font-size: 12px; }

label { display: block; margin: 10px 0; }
input[type="password"], input[type="tel"], input[type="search"], input:not([type]), input[inputmode] {
  width: 100%;
  margin-top: 4px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 16px;
}
input:disabled { opacity: .6; }

button {
  border: 0;
  border-radius: 10px;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--gold); color: #1a1405; }
button.danger { background: var(--red); color: #2a0b0b; }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); padding: 6px 12px; }
form > button.primary { width: 100%; margin-top: 8px; }

/* stato */
.status-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.status-head button { min-width: 120px; }
.badge { padding: 6px 12px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-weight: 700; }
.badge.on { background: rgba(61, 220, 151, .15); color: var(--mint); }
.badge.live { background: rgba(255, 107, 107, .15); color: var(--red); }
.status-text { margin: 12px 0 0; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip { font-size: 13px; padding: 4px 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.chip.ok { color: var(--mint); }
.chip.ko { color: var(--red); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid .card { margin-bottom: 0; }
.grid + .card { margin-top: 16px; }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } }

/* impostazioni */
.segmented { border: 0; padding: 0; margin: 0 0 8px; display: flex; gap: 8px; flex-wrap: wrap; }
.segmented legend { color: var(--muted); font-size: 13px; margin-bottom: 6px; padding: 0; }
.segmented label { margin: 0; }
.segmented input { display: none; }
.segmented span {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  cursor: pointer;
}
.segmented input:checked + span { border-color: var(--gold); color: var(--gold); }
.segmented input[value="live"]:checked + span { border-color: var(--red); color: var(--red); }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
@media (max-width: 420px) { .fields { grid-template-columns: 1fr; } }
.switch { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.switch input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--gold); flex: none; }

/* canali */
.filter { margin-bottom: 8px; }
.channels { max-height: 280px; overflow-y: auto; border: 1px solid var(--border); border-radius: 10px; }
.channels label { display: flex; gap: 10px; align-items: center; margin: 0; padding: 9px 12px; border-bottom: 1px solid var(--border); cursor: pointer; }
.channels label:last-child { border-bottom: 0; }
.channels input { width: 18px; height: 18px; accent-color: var(--gold); flex: none; }

/* posizioni */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
.buy { color: var(--mint); font-weight: 700; }
.sell { color: var(--red); font-weight: 700; }
.be { color: var(--gold); font-size: 12px; margin-left: 6px; }

/* registro */
.logs {
  height: 300px;
  overflow-y: auto;
  font: 12.5px/1.5 ui-monospace, Menlo, Consolas, monospace;
  background: #0a1220;
  border-radius: 10px;
  padding: 10px;
  white-space: pre-wrap;
  word-break: break-word;
}
.logs .WARNING { color: var(--gold); }
.logs .ERROR { color: var(--red); }