:root {
  color-scheme: light dark;
  --bg: #f4f6fb;
  --card: #fff;
  --text: #1f2430;
  --muted: #6b7280;
  --line: #e3e6ee;
  --primary: #3d5bd9;
  --primary-text: #fff;
  --danger: #c93636;
  --ok: #1f8a4c;
  --warn-bg: #fff4d6;
  --error-bg: #fde8e8;
  --ok-bg: #e5f6ec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161c;
    --card: #1e2129;
    --text: #e6e8ee;
    --muted: #9aa1ae;
    --line: #2e323d;
    --primary: #6f87f0;
    --primary-text: #0d1020;
    --danger: #ef6b6b;
    --ok: #4fc483;
    --warn-bg: #3b3320;
    --error-bg: #3d2224;
    --ok-bg: #1d3528;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--primary); }

header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  padding: 12px 24px;
  background: var(--primary);
  color: var(--primary-text);
}
header a { color: inherit; text-decoration: none; }
.brand { font-weight: 700; font-size: 1.25rem; }
#clock { font-variant-numeric: tabular-nums; opacity: .9; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-left: auto; }
nav a, nav .link { padding: 6px 12px; border-radius: 6px; color: inherit; }
nav a.active, nav a:hover { background: rgba(255, 255, 255, .2); }

main { max-width: 1200px; margin: 0 auto; padding: 24px 16px; }
footer { text-align: center; padding: 24px; font-size: .85rem; }
footer a { color: var(--muted); }

h2 { margin: 0 0 12px; font-size: 1.15rem; }
hr { border: 0; border-top: 1px solid var(--line); margin: 16px 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.ok-text { color: var(--ok); }
.error-text { color: var(--danger); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 16px 20px;
}
.card.narrow { max-width: 480px; margin: 0 auto; }
.columns { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; align-items: start; }
.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 16px; }

.banner, .flash { padding: 10px 14px; border-radius: 8px; margin: 0 0 12px; }
.banner.error, .flash.error { background: var(--error-bg); }
.banner.warn { background: var(--warn-bg); }
.flash.ok { background: var(--ok-bg); }

/* week overview */
.week { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.day.today { border-color: var(--primary); box-shadow: 0 0 0 1px var(--primary); }
.alerts { list-style: none; margin: 0; padding: 0; }
.alerts a {
  display: grid;
  grid-template-columns: 3.2em 1fr;
  padding: 6px 8px;
  margin: 0 -8px;
  border-radius: 6px;
  color: inherit;
  text-decoration: none;
}
.alerts a:hover { background: var(--bg); }
.alerts .time { font-weight: 600; font-variant-numeric: tabular-nums; grid-row: span 2; }

/* forms */
label { display: block; margin: 0 0 12px; }
label.check { display: inline-block; margin-right: 12px; }
fieldset { border: 0; padding: 0; margin: 0 0 12px; }
legend { padding: 0; margin-bottom: 4px; }
input:not([type=checkbox]), select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}
input[type=file] { padding: 6px; }
button, .button {
  display: inline-block;
  padding: 8px 16px;
  font: inherit;
  border: 1px solid var(--primary);
  border-radius: 6px;
  background: var(--primary);
  color: var(--primary-text);
  text-decoration: none;
  cursor: pointer;
}
button.secondary, .button.secondary { background: transparent; color: var(--primary); }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link, button.icon {
  background: none;
  border: 0;
  padding: 4px 6px;
  color: var(--primary);
}
nav button.link { color: inherit; padding: 6px 12px; }
form.inline { display: inline; }
.buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.grid label:first-of-type, .grid button { grid-column: 1 / -1; }
.grid button { justify-self: start; }

/* tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 6px 4px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.songs th:nth-child(2), .songs td:nth-child(2) { width: 1%; white-space: nowrap; text-align: center; }
.songs .actions { width: 1%; white-space: nowrap; }
.songs tr.missing td:first-child { opacity: .5; }
.rename input { margin: 0; border-color: transparent; background: transparent; padding: 4px 6px; }
.rename input:hover, .rename input:focus { border-color: var(--line); background: var(--bg); }
.info th { width: 40%; font-weight: normal; color: var(--muted); }
ul.plain { list-style: none; padding: 0; }