:root {
  --bg: #181410;
  --panel: #262019;
  --track: #382f28;
  --text: #f7f0e2;
  --muted: #aa9e8c;
  --amber: #f2a900;
  --danger: #ff7a66;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.4 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
[hidden] { display: none !important; }
body { padding-bottom: calc(76px + env(safe-area-inset-bottom)); }

header { display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: calc(12px + env(safe-area-inset-top)) 16px 12px; border-bottom: 1px solid var(--track); }
header strong { color: var(--amber); font-size: 1.15rem; }

main#auth { max-width: 380px; margin: 0 auto; padding: 48px 16px; text-align: center; }
.logo { border-radius: 22px; }
h1 { color: var(--amber); margin: 12px 0 24px; }
h2 { margin: 0 0 8px; font-size: 1.15rem; }

.tab { padding: 16px; max-width: 560px; margin: 0 auto; }
.card { background: var(--panel); border-radius: 16px; padding: 16px; margin-bottom: 16px; }
.hint { color: var(--muted); font-size: .9rem; margin: 4px 0 12px; }

label { display: block; text-align: left; color: var(--muted); font-size: .85rem; margin-bottom: 12px; }
input, select { display: block; width: 100%; margin-top: 4px; padding: 12px; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--track); border-radius: 10px; }
input:focus, select:focus, button:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }
.row { display: flex; gap: 12px; align-items: flex-end; }
.row > * { flex: 1; }
.row.filters { margin-bottom: 12px; align-items: stretch; }
.row.filters select { margin: 0; }
#manual-code { margin-top: 12px; }
#manual-code input { margin: 0; }
#manual-code button { flex: 0 0 auto; }

button { font: inherit; color: var(--text); background: var(--track); border: 0; border-radius: 10px;
  padding: 12px 16px; cursor: pointer; }
button.primary { background: var(--amber); color: #1e180e; font-weight: 700; width: 100%; margin-top: 4px; }
button.secondary { width: 100%; margin-top: 8px; }
button.big { padding: 16px; font-size: 1.1rem; }
button.link { background: none; color: var(--muted); padding: 8px; text-decoration: underline; }
button:disabled { opacity: .6; cursor: progress; }
#auth-form button { margin-top: 8px; }

.visual { width: 100%; height: auto; border-radius: 16px; background: var(--panel); min-height: 120px; }
ol, ul { padding-left: 20px; margin: 8px 0 0; }
li { margin-bottom: 6px; }
#history { list-style: none; padding: 0; }
#history li { display: flex; justify-content: space-between; gap: 8px; align-items: center;
  border-bottom: 1px solid var(--track); padding-bottom: 6px; }
#history small { color: var(--muted); display: block; }
#history button { padding: 6px 10px; color: var(--danger); background: none; }

nav { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: var(--panel);
  border-top: 1px solid var(--track); padding-bottom: env(safe-area-inset-bottom); }
nav button { flex: 1; border-radius: 0; background: none; padding: 18px 8px; color: var(--muted); }
nav button.active { color: var(--amber); font-weight: 700; }

#toast { position: fixed; left: 16px; right: 16px; top: calc(12px + env(safe-area-inset-top)); z-index: 10;
  background: var(--panel); border: 1px solid var(--amber); border-radius: 12px; padding: 14px 16px; }
#toast.error { border-color: var(--danger); }

/* ---- administration ---- */
body.admin { padding-bottom: 32px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 16px; }
.muted { color: var(--muted); font-weight: 400; }
label.inline { display: flex; gap: 10px; align-items: center; color: var(--text); font-size: 1rem; }
label.inline input { width: auto; margin: 0; }
.row.actions { flex-wrap: wrap; gap: 8px; align-items: center; }
.row.actions > * { flex: 0 0 auto; }
ul.users { list-style: none; padding: 0; margin: 0; }
.user { border-top: 1px solid var(--track); padding: 14px 0; }
.user:first-child { border-top: 0; }
.user.off strong { text-decoration: line-through; color: var(--muted); }
.user-head { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.badge { font-size: .72rem; padding: 2px 8px; border-radius: 999px; background: var(--track); color: var(--muted); }
.badge.admin { background: var(--amber); color: #1e180e; font-weight: 700; }
.badge.off { color: var(--danger); }
button.danger { color: var(--danger); }
button.primary.danger, #dialog-ok.danger { background: var(--danger); color: #1e0a06; font-weight: 700; }
a { color: var(--amber); }
dialog { background: var(--panel); color: var(--text); border: 1px solid var(--track); border-radius: 16px;
  padding: 20px; width: min(92vw, 420px); }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog h3 { margin: 0 0 6px; }