:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #0f172a;
  --border: #334155;
  --accent: #6366f1;
  --accent-dark: #4f46e5;
  --accent2: #22c55e;
  --accent2-dark: #14532d;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --danger: #ef4444;
  --warn: #f59e0b;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, 'Segoe UI', system-ui, sans-serif;
  overscroll-behavior-y: none;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 12px;
  font-weight: 600;
  transition: transform 0.1s, background 0.15s;
  font-family: inherit;
}
button:active { transform: scale(0.97); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: #334155; color: var(--text); }
.btn-ghost:hover { background: #475569; }
.btn-sm { padding: 8px 12px; font-size: 0.85rem; border-radius: 8px; }

input[type=number], input[type=text], select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
}
textarea { font-family: 'Cascadia Code', 'Consolas', monospace; font-size: 0.82rem; }

.conn-banner {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: var(--warn);
  color: #1e1b04;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px calc(8px + env(safe-area-inset-top, 0px));
  padding-top: calc(8px + env(safe-area-inset-top, 0px));
  z-index: 999;
  transform: translateY(-100%);
  transition: transform 0.2s ease;
}
.conn-banner.show { transform: translateY(0); }