:root {
  --bg: #0b1120; --panel: #111a2e; --line: #23304d; --text: #e2e8f0; --dim: #94a3b8;
  --accent: #3b82f6; --accent-2: #2563eb; --danger: #ef4444; color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f1f5f9; --panel: #ffffff; --line: #d8e0ec; --text: #0f172a; --dim: #64748b; color-scheme: light; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
button { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--text);
  border-radius: 8px; padding: 8px 14px; cursor: pointer; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; width: 100%; }
button.primary:hover { background: var(--accent-2); }
button.danger { color: var(--danger); }
button:disabled { opacity: .6; cursor: default; }
.card { max-width: 380px; margin: 10vh auto 0; padding: 32px 28px; background: var(--panel);
  border: 1px solid var(--line); border-radius: 16px; text-align: center; }
.logo { width: 72px; height: 72px; border-radius: 16px; }
.logo.small { width: 32px; height: 32px; border-radius: 8px; }
h1 { font-size: 22px; margin: 12px 0 4px; }
.sub, .hint, .who { color: var(--dim); }
.hint { font-size: 13px; margin-top: 18px; }
form { text-align: left; margin-top: 18px; }
label { display: block; margin-bottom: 12px; color: var(--dim); font-size: 13px; }
input { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
input:focus { outline: 2px solid var(--accent); border-color: transparent; }
.error { color: var(--danger); min-height: 1.2em; margin: 4px 0 10px; }
#places { max-width: 960px; margin: 0 auto; padding: 20px 16px; }
#places header { display: flex; align-items: center; gap: 12px; }
#places header h1 { margin: 0; flex: 1; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; margin-top: 18px; }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 18px;
  display: flex; flex-direction: column; gap: 10px; cursor: pointer; text-align: left; }
.tile:hover { border-color: var(--accent); }
.tile.off { opacity: .55; cursor: not-allowed; }
.tile.off:hover { border-color: var(--line); }
.tile .name { font-weight: 600; font-size: 16px; }
.tile .kind { color: var(--dim); font-size: 13px; }
.tile svg { width: 40px; height: 40px; color: var(--accent); }
.empty { color: var(--dim); text-align: center; padding: 40px 0; grid-column: 1 / -1; }
#session { position: fixed; inset: 0; background: #000; }
#screen-box, #screen-box iron-remote-desktop { position: absolute; inset: 0; display: block; }
#toolbar { position: absolute; top: 0; left: 50%; transform: translate(-50%, -100%); z-index: 10;
  display: flex; gap: 8px; align-items: center; padding: 8px 12px; background: rgba(15, 23, 42, .92);
  border: 1px solid #23304d; border-top: 0; border-radius: 0 0 12px 12px; transition: transform .15s; color: #e2e8f0; }
#toolbar.shown { transform: translate(-50%, 0); }
#toolbar button { background: #111a2e; color: #e2e8f0; border-color: #23304d; padding: 6px 12px; white-space: nowrap; }
#session-name { color: #94a3b8; margin-right: 6px; white-space: nowrap; }
#status { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 5;
  color: #cbd5e1; font-size: 17px; text-align: center; padding: 20px; pointer-events: none; }
#status:empty { display: none; }