:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #262d36;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.4 "Segoe UI", system-ui, sans-serif;
  overflow: hidden;
}

.bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}

.brand {
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .3px;
  color: var(--text);
}

.brand span { color: var(--accent); }

.spacer { flex: 1; }

.pill {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--border);
  background: #0b0f14;
  white-space: nowrap;
}

.pill.ok { color: var(--ok); border-color: #1f4329; }
.pill.warn { color: var(--warn); border-color: #4a3a12; }
.pill.err { color: var(--err); border-color: #5a1f1f; }
.pill.off { color: var(--muted); }

.opt {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
}

select, input, button {
  font: inherit;
  color: var(--text);
  background: #0b0f14;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 9px;
  outline: none;
}

select { padding: 5px 6px; }

button {
  cursor: pointer;
  background: #1c2430;
  transition: background .15s, border-color .15s;
}

button:hover:not(:disabled) { background: #243040; }
button:disabled { opacity: .45; cursor: default; }

button.primary, .card button[type="submit"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

button.primary:hover, .card button[type="submit"]:hover { background: #4b95ff; }

button.danger:hover:not(:disabled) { background: #3a1c1c; border-color: #6b2b2b; }

button.toggle.active {
  background: #12351f;
  border-color: #1f6f3a;
  color: #6fe08a;
}

main {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  background: #05070a;
  display: flex;
}

#screen {
  width: 100%;
  height: 100%;
  object-fit: contain;
  outline: none;
  cursor: crosshair;
  touch-action: none;
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 7, 10, .88);
  backdrop-filter: blur(3px);
}

.overlay.hidden { display: none; }

.card {
  width: min(420px, 90vw);
  padding: 26px 28px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .6);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.card h1 {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.card input {
  padding: 9px 10px;
}

#pin {
  font-size: 20px;
  letter-spacing: 4px;
  text-align: center;
  padding: 10px;
}

.card .hint { min-height: 18px; color: var(--err); }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field[hidden], select[hidden] { display: none; }

.field label {
  font-size: 12px;
  color: var(--muted);
}

.row {
  display: flex;
  gap: 8px;
}

.row input { flex: 1; }

.row button {
  white-space: nowrap;
  font-size: 13px;
}

#agentList {
  width: 100%;
  font-size: 13px;
}

#agentList option { padding: 4px 6px; }

footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 14px;
  background: var(--panel);
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
  flex: 0 0 auto;
}