:root {
  color-scheme: light dark;
  --bg: #f6f6f4;
  --panel: #fff;
  --ink: #1b1b1a;
  --muted: #6b6b66;
  --line: #e2e2dd;
  --accent: #3a6ea5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a;
    --panel: #1f2023;
    --ink: #e9e9e6;
    --muted: #9a9a94;
    --line: #2e3034;
    --accent: #7aa7d9;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 24px 16px 64px;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

.wrap { max-width: 1040px; margin: 0 auto; }

h1 { font-size: 1.4rem; margin: 0 0 4px; }

.lede { color: var(--muted); margin: 0 0 24px; }

button {
  font: inherit;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:disabled { opacity: 0.55; cursor: default; }

.toolbar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

#status { color: var(--muted); }

#progress {
  height: 4px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
  margin: 16px 0;
}

#bar { height: 100%; width: 0; background: var(--accent); transition: width 0.15s; }

#summary { color: var(--muted); margin: 12px 0 0; }

.person {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin-top: 16px;
}

.person.muted { opacity: 0.8; }

.person header {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--line);
}

.name {
  font: inherit;
  font-weight: 600;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: inherit;
  min-width: 10ch;
}

.name:hover, .name:focus { border-color: var(--line); background: var(--bg); }

.count { color: var(--muted); margin-right: auto; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 8px;
}

.photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 8px;
  background: var(--line);
}

/* Login */
.login {
  max-width: 340px;
  margin: 18vh auto 0;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
}

.login input {
  font: inherit;
  width: 100%;
  padding: 10px 12px;
  margin: 12px 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: inherit;
}

.login button { width: 100%; }

.error { color: #c0392b; min-height: 1.4em; margin: 10px 0 0; font-size: 0.9rem; }

/* Tuning bar */
.tuning {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 16px;
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.tuning label { font-weight: 600; }

.tuning input[type="range"] { flex: 1 1 180px; max-width: 280px; accent-color: var(--accent); }

.mono { font-variant-numeric: tabular-nums; color: var(--muted); min-width: 4ch; }

.hint { color: var(--muted); font-size: 0.85rem; flex: 1 1 auto; }

button.ghost { background: transparent; color: var(--ink); }

.tick { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }