/* OMO viewer site — giao dien toi, don gian, khong phu thuoc thu vien ngoai. */
:root {
  --bg: #16181d; --panel: #1e2127; --panel2: #262a31; --line: #343a44;
  --fg: #e6e8ec; --muted: #9aa3af; --accent: #3b82f6; --accent2: #2563eb;
  --ok: #22c55e; --warn: #f59e0b; --err: #ef4444;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 15px/1.5 "Segoe UI", system-ui, Arial, sans-serif;
}
a { color: #7aa7ff; }
.wrap { max-width: 820px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 22px; margin: 8px 0 20px; }
h2 { font-size: 17px; margin: 0 0 12px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px; margin-bottom: 16px;
}
label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 4px; }
input, select {
  width: 100%; padding: 10px 12px; background: var(--panel2); color: var(--fg);
  border: 1px solid var(--line); border-radius: 8px; font-size: 15px;
}
button {
  padding: 9px 16px; border: 0; border-radius: 8px; background: var(--accent);
  color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
}
button:hover { background: var(--accent2); }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--fg); font-weight: 500; }
button.danger { background: transparent; border: 1px solid var(--err); color: #ff9a9a; font-weight: 500; }
button:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }
.muted { color: var(--muted); }
.code { font-family: Consolas, "Courier New", monospace; font-size: 18px; letter-spacing: 1px; }
.pill { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--line); }
.pill.online { color: var(--ok); border-color: #2d5a3d; }
.pill.offline { color: var(--muted); }
.pill.busy { color: var(--warn); border-color: #5a4a2d; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); font-size: 14px; vertical-align: middle; }
th { color: var(--muted); font-weight: 500; }
.msg { padding: 10px 12px; border-radius: 8px; margin: 10px 0; font-size: 14px; display: none; }
.msg.show { display: block; }
.msg.err { background: #3a1f22; color: #ffb4b4; }
.msg.ok { background: #1f3a29; color: #b4ffcf; }
.hidden { display: none !important; }
.turnstile-slot { margin: 10px 0; min-height: 0; }