:root {
  --forest:#1D3C34; --sage:#6B7C4A; --sage2:#A2A568; --cream:#F5F0E8; --cream2:#F1E6B2; --line:#e2dccc; --mute:#7d7866;
  --display:"bookmania", Georgia, serif; --ui:"Work Sans", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--cream); color: var(--forest); font: 15px/1.5 var(--ui); }
button { font: inherit; cursor: pointer; }
header { display: flex; justify-content: space-between; align-items: center; padding: 14px 24px; background: var(--forest); color: var(--cream); }
.brand { font-family: var(--display); font-size: 20px; }
.who { display: flex; gap: 12px; align-items: center; font-size: 13px; }
.who button { background: none; border: 1px solid var(--sage2); color: var(--cream); border-radius: 6px; padding: 4px 10px; }
main { max-width: 1100px; margin: 0 auto; padding: 24px; }
#signin { text-align: center; padding-top: 10vh; }
#signin h1 { font-family: var(--display); font-weight: 400; font-size: 40px; margin: 0 0 8px; }
#gsi { display: inline-block; margin-top: 16px; }
#tabs { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
#tabs button { background: none; border: 0; border-bottom: 3px solid transparent; padding: 10px 14px; color: var(--mute); font-weight: 600; }
#tabs button.on { color: var(--forest); border-color: var(--sage2); }
.controls { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 16px; font-size: 13px; color: var(--mute); }
select, input { font: inherit; font-size: 14px; padding: 6px 8px; margin-left: 6px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--forest); }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px 20px; margin-bottom: 16px; }
.card h2 { font-family: var(--display); font-weight: 400; font-size: 20px; margin: 0; }
.fine { color: var(--mute); font-size: 13px; margin: 4px 0 12px; }
.heat { display: grid; grid-template-columns: 3rem repeat(24, 1fr); gap: 2px; font-size: 11px; }
.heat .cell { aspect-ratio: 1; border-radius: 3px; background: rgb(29 60 52 / var(--a)); outline: 1px solid var(--line); }
.heat .hlabel, .heat .dlabel { color: var(--mute); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); }
th button { background: none; border: 0; padding: 0; font-weight: 600; color: inherit; }