:root {
  --bg: #16171b;
  --panel: #202228;
  --panel-2: #2a2d35;
  --text: #e8e8ea;
  --muted: #9a9ca5;
  --accent: #e8873a;
  --ok: #4cc38a;
  --off: #6b6e78;
  --err: #ff6b6b;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
  overscroll-behavior: none;
}
[hidden] { display: none !important; }
button, input, select { font: inherit; color: inherit; }
button {
  background: var(--panel-2); border: 0; border-radius: 10px; padding: 8px 14px; cursor: pointer;
}
button:active { opacity: .7; }

/* login */
#login { min-height: 100%; display: grid; place-items: center; padding: 16px; }
.card {
  width: 100%; max-width: 340px; background: var(--panel); border-radius: 18px; padding: 24px;
  display: flex; flex-direction: column; gap: 14px; text-align: center;
}
.card img { align-self: center; border-radius: 14px; }
.card h1 { margin: 0 0 4px; font-size: 20px; }
.card label { display: flex; flex-direction: column; gap: 6px; text-align: left; color: var(--muted); font-size: 13px; }
.card input {
  background: var(--bg); border: 1px solid var(--panel-2); border-radius: 10px; padding: 11px 12px; font-size: 16px; color: var(--text);
}
.card input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.card button[type=submit] { background: var(--accent); color: #1a1209; font-weight: 600; padding: 12px; }
.error { color: var(--err); min-height: 1.2em; margin: 0; font-size: 13px; }

/* app */
#app { height: 100%; display: flex; flex-direction: column; }
header {
  display: flex; align-items: center; gap: 10px;
  padding: calc(env(safe-area-inset-top) + 8px) 12px 8px;
  padding-left: max(12px, env(safe-area-inset-left)); padding-right: max(12px, env(safe-area-inset-right));
  background: var(--panel);
}
.status { flex: 1; display: flex; align-items: center; gap: 8px; min-width: 0; font-size: 13px; color: var(--muted); }
#status-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--off); flex: none; }
.dot.on { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
nav { display: flex; background: var(--bg); border-radius: 10px; padding: 3px; }
nav button { background: transparent; padding: 6px 14px; border-radius: 8px; color: var(--muted); }
nav button[aria-selected=true] { background: var(--panel-2); color: var(--text); }
.icon-btn { padding: 6px 10px; font-size: 18px; line-height: 1; }
.menu {
  position: absolute; right: 12px; top: calc(env(safe-area-inset-top) + 52px); z-index: 10;
  background: var(--panel-2); border-radius: 12px; padding: 12px; display: flex; flex-direction: column; gap: 10px;
  box-shadow: 0 8px 30px rgba(0,0,0,.5); min-width: 170px;
}
#who { color: var(--muted); font-size: 13px; }

.tab { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.stage { position: relative; flex: 1; min-height: 0; background: #0e0f12; display: grid; place-items: center; overflow: hidden; }
#frame { max-width: 100%; max-height: 100%; object-fit: contain; display: block; touch-action: pinch-zoom; }
#canvas { width: 100%; height: 100%; display: block; touch-action: none; }
.empty { position: absolute; inset: 0; margin: 0; display: grid; place-content: center; text-align: center; color: var(--muted); padding: 24px; }

.meta {
  margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 1px; background: var(--bg);
  padding-bottom: env(safe-area-inset-bottom);
}
.meta div { background: var(--panel); padding: 8px 12px; min-width: 0; }
.meta dt { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.meta dd { margin: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.toolbar {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap; background: var(--panel);
  padding: 8px 12px calc(env(safe-area-inset-bottom) + 8px);
}
.toolbar select { flex: 1; min-width: 0; background: var(--panel-2); border: 0; border-radius: 10px; padding: 8px 10px; }
.check { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 14px; }