:root {
  --bg: #f6f7f9;
  --panel: #fff;
  --text: #1a1d21;
  --muted: #5f6672;
  --line: #e3e6ea;
  --accent: #1f6feb;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c;
    --panel: #1e2126;
    --text: #e6e8eb;
    --muted: #9aa1ad;
    --line: #2c3037;
    --accent: #5b9bff;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

header, nav, main { max-width: 720px; margin: 0 auto; }

header { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }

h1 { margin: 0; font-size: 1.4rem; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: .9rem; }

#tabs { display: flex; gap: 8px; margin: 20px auto 16px; }

#tabs button {
  flex: 1;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: .95rem;
  cursor: pointer;
}

#tabs button.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.event {
  display: flex;
  gap: 16px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.when { flex: 0 0 96px; font-size: .85rem; color: var(--muted); }
.when strong { display: block; color: var(--text); font-size: .9rem; }

.body h2 { margin: 0 0 2px; font-size: 1rem; line-height: 1.35; }
.meta, .notes { margin: 0; font-size: .85rem; color: var(--muted); }

.empty { color: var(--muted); text-align: center; padding: 32px 0; }
.empty.error { color: #c0392b; }

.adminbar { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: var(--muted); }

button {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
  font: inherit;
  font-size: .85rem;
  cursor: pointer;
}

button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

.actions { display: flex; gap: 6px; margin-top: 8px; }

dialog {
  width: min(440px, calc(100vw - 32px));
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
}

dialog::backdrop { background: rgb(0 0 0 / .45); }

dialog h2 { margin: 0 0 14px; font-size: 1.1rem; }

dialog label { display: block; margin-bottom: 10px; font-size: .8rem; color: var(--muted); }

dialog input, dialog textarea {
  display: block;
  width: 100%;
  margin-top: 3px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: .95rem;
}

dialog .pair { display: flex; gap: 10px; }
dialog .pair > label { flex: 1; }
dialog .row { display: flex; justify-content: flex-end; gap: 8px; margin-top: 14px; }
dialog .err { margin: 0; min-height: 1.2em; color: #c0392b; font-size: .85rem; }

@media (max-width: 480px) {
  .event { flex-direction: column; gap: 4px; }
  .when { flex: none; display: flex; gap: 10px; }
}