:root {
  --plum: #514273; --lavender: #A99BD8; --lavender-soft: #F0ECFA; --ivory: #F8F7F4;
  --bg: var(--ivory); --surface: #ffffff; --text: #231c33; --muted: #5d5470; --border: #d9d3e8;
  --accent: var(--plum); --accent-text: #ffffff; --danger: #8a2540; --ok: #2f6b4f; --focus: #3b2f66;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17131f; --surface: #221c2f; --text: #eee9f8; --muted: #b9b0cc; --border: #3a3150;
    --accent: var(--lavender); --accent-text: #1b1528; --danger: #ff9bb3; --ok: #8fd6b4; --focus: #d9d0f5;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); }
.skip { position: absolute; left: -999px; } .skip:focus { left: 8px; top: 8px; background: var(--surface); padding: 8px; z-index: 10; }
header.top { display: flex; align-items: center; gap: 12px; padding: 12px 20px; border-bottom: 1px solid var(--border); background: var(--surface); }
header.top img { width: 32px; height: 32px; } header.top .brand { font-weight: 650; letter-spacing: .02em; flex: 1; }
header.top nav a, header.top button.link { margin-left: 14px; }
main { max-width: 980px; margin: 0 auto; padding: 20px; }
h1 { font-size: 1.5rem; margin: 0 0 12px; } h2 { font-size: 1.15rem; margin: 0 0 10px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.muted { color: var(--muted); font-size: .92rem; }
label { display: block; font-weight: 600; margin: 10px 0 4px; font-size: .92rem; }
input, select, textarea { width: 100%; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); font: inherit; }
textarea { min-height: 70px; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
button, .btn { display: inline-block; margin-top: 12px; padding: 9px 16px; border: 0; border-radius: 8px; background: var(--accent); color: var(--accent-text); font: inherit; font-weight: 600; cursor: pointer; }
button.link { background: none; color: var(--accent); padding: 0; margin: 0; text-decoration: underline; font-weight: 500; }
button.danger { background: var(--danger); color: #fff; }
ul.records { list-style: none; margin: 0; padding: 0; } ul.records li { display: flex; gap: 10px; justify-content: space-between; align-items: center; padding: 8px 0; border-top: 1px solid var(--border); }
ul.records form { margin: 0; } ul.records button { margin: 0; padding: 4px 10px; font-size: .85rem; background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.notice { padding: 10px 14px; border-radius: 8px; border: 1px solid var(--border); margin-bottom: 14px; background: var(--lavender-soft); color: #231c33; }
.notice.error { border-color: var(--danger); } .notice.ok { border-color: var(--ok); }
.empty { color: var(--muted); font-style: italic; }
.fictional { background: var(--lavender-soft); color: #231c33; padding: 6px 10px; border-radius: 6px; font-size: .85rem; }
@media (prefers-reduced-motion: no-preference) { button, a { transition: opacity .15s; } button:hover { opacity: .9; } }

.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.cal-nav { display: flex; justify-content: space-between; align-items: center; margin: 0 0 12px; gap: 12px; }
table.calendar { width: 100%; border-collapse: collapse; table-layout: fixed; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
table.calendar th { padding: 8px 4px; font-size: .85rem; color: var(--muted); text-align: center; border-bottom: 1px solid var(--border); }
table.calendar td { border: 1px solid var(--border); height: 74px; vertical-align: top; padding: 0; }
a.day { display: block; height: 100%; padding: 6px; text-decoration: none; color: var(--text); }
a.day:hover { background: var(--lavender-soft); color: #231c33; }
a.day[aria-current="date"] .num { background: var(--accent); color: var(--accent-text); border-radius: 50%; padding: 1px 7px; }
.marks { display: flex; gap: 3px; flex-wrap: wrap; margin-top: 6px; }
.mark { display: inline-block; min-width: 20px; padding: 0 4px; text-align: center; font-size: .75rem; font-weight: 700; border-radius: 4px; border: 1px solid currentColor; }
.mark.b { color: var(--danger); } .mark.h { color: var(--accent); } .mark.s { color: var(--muted); } .mark.n { color: var(--ok); }
ul.legend { list-style: none; display: flex; gap: 16px; flex-wrap: wrap; padding: 0; margin: 14px 0; }
details { border-top: 1px solid var(--border); padding: 8px 0; } details summary { cursor: pointer; }

.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin: 0 0 16px; }
.stat { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.stat .v { font-size: 1.5rem; font-weight: 650; } .stat .k { color: var(--muted); font-size: .85rem; }
.filters { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; margin: 0 0 16px; } .filters label { margin: 0; } .filters button { margin: 0; }
.filters .presets a { margin-right: 10px; }
figure.chart-card { margin: 0 0 20px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px; }
figure.chart-card figcaption { font-weight: 650; margin-bottom: 4px; } figure.chart-card .muted { margin: 2px 0 8px; }
svg.chart { width: 100%; height: auto; display: block; }
svg.chart .grid { stroke: var(--border); stroke-width: 1; } svg.chart .axis { stroke: var(--muted); stroke-width: 1.2; }
svg.chart .tick, svg.chart .axis-label { fill: var(--muted); font-size: 11px; }
svg.chart .bar { fill: var(--accent); } svg.chart .bar:hover { opacity: .8; } svg.chart .hatch-bg { fill: var(--surface); } svg.chart .hatch-line { stroke: var(--accent); stroke-width: 2; }
svg.chart .line { stroke: var(--accent); stroke-width: 2; stroke-linejoin: round; } svg.chart .dot { fill: var(--accent); stroke: var(--surface); stroke-width: 1.5; }
svg.chart a:focus-visible rect, svg.chart a:focus-visible circle { outline: 3px solid var(--focus); outline-offset: 2px; }
table.data { width: 100%; border-collapse: collapse; font-size: .9rem; } table.data th, table.data td { text-align: left; padding: 4px 8px; border-top: 1px solid var(--border); }
.note { border-left: 4px solid var(--lavender); padding: 6px 12px; background: var(--lavender-soft); color: #231c33; border-radius: 6px; }