:root {
  color-scheme: dark;
  --bg: #14161a; --panel: #1e2127; --line: #2f343d; --text: #e6e8eb; --dim: #9aa1ac;
  --accent: #4c8dff; --ok: #3ecf8e; --bad: #ff6b6b;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, "Segoe UI", sans-serif; }
[hidden] { display: none !important; }
h1 { font-size: 20px; margin: 0; }
h2 { margin-top: 0; }
h3 { margin: 18px 0 6px; font-size: 15px; }
small { color: var(--dim); font-weight: normal; }

button, select, input {
  font: inherit; color: var(--text); background: var(--panel);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px;
}
button { background: var(--accent); border-color: var(--accent); color: #fff; cursor: pointer; }
button.ghost { background: transparent; border-color: var(--line); color: var(--text); }
button.danger { background: transparent; border-color: var(--bad); color: var(--bad); }
button:disabled { opacity: .45; cursor: default; }

header { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.spacer { flex: 1; }
label.inline { color: var(--dim); display: flex; gap: 6px; align-items: center; }

#login { height: 100%; display: grid; place-items: center; padding: 16px; }
.box { width: min(340px, 100%); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 24px; display: grid; gap: 14px; }
.box label { display: grid; gap: 4px; color: var(--dim); }
.error { color: var(--bad); margin: 0; min-height: 1.4em; }

#cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; padding: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: grid; gap: 10px; }
.card .name { font-weight: 600; font-size: 16px; overflow-wrap: anywhere; }
.card .meta { color: var(--dim); font-size: 13px; }
.card .row { display: flex; gap: 8px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--dim); margin-right: 6px; }
.dot.on { background: var(--ok); }
#empty { padding: 0 16px; color: var(--dim); }

#viewer { height: 100%; display: flex; flex-direction: column; }
#viewStatus { color: var(--dim); font-size: 13px; }
#stage { flex: 1; min-height: 0; display: grid; place-items: center; background: #000; overflow: hidden; }
#screen { max-width: 100%; max-height: 100%; outline: none; cursor: crosshair; touch-action: none; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: 12px; width: min(720px, calc(100% - 32px)); padding: 24px; }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog form { margin-top: 20px; text-align: right; }
pre { background: #0d0f12; border: 1px solid var(--line); border-radius: 8px; padding: 12px; white-space: pre-wrap; overflow-wrap: anywhere; margin: 0 0 8px; font: 13px/1.5 ui-monospace, Consolas, monospace; user-select: all; }