:root {
  --bg: #f6f5f1; --surface: #ffffff; --ink: #1d2126; --muted: #69707a; --line: #e4e2dc;
  --accent: #2f6f5e; --accent-soft: #e3efe9; --band: rgba(47,111,94,.14); --bar: #2f6f5e;
  --good: #2f7d4f; --good-soft: #e1f2e7; --warn: #a3650d; --warn-soft: #fbefd9;
  --bad: #b23b3b; --bad-soft: #f8e1e1; --over: #c4572b; --chip-muted: #eceae4;
  --radius: 14px; --shadow: 0 1px 2px rgba(20,20,20,.05), 0 4px 16px rgba(20,20,20,.04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181c; --surface: #1f2228; --ink: #e9eaec; --muted: #9aa1ab; --line: #30343b;
    --accent: #6cc3a6; --accent-soft: #23362f; --band: rgba(108,195,166,.16); --bar: #6cc3a6;
    --good: #78cf98; --good-soft: #20352a; --warn: #f0b85a; --warn-soft: #3a2f1c;
    --bad: #f08a8a; --bad-soft: #3d2324; --over: #f29a6b; --chip-muted: #2b2f36;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
code { font-size: .9em; background: var(--chip-muted); padding: .1em .35em; border-radius: 4px; }
.muted { color: var(--muted); } .small { font-size: .85rem; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px;
  max-width: 960px; margin: 0 auto; }
.brand { display: flex; gap: 8px; align-items: center; color: var(--ink); font-weight: 650; }
.logout { margin: 0; }
button.link { background: none; border: 0; color: var(--muted); font: inherit; cursor: pointer; padding: 4px; }
button.link:hover { color: var(--ink); }

main { max-width: 960px; margin: 0 auto; padding: 0 16px 48px; display: grid; gap: 16px; }
.hero { padding: 8px 4px 0; }
.hero h1 { margin: 2px 0; font-size: clamp(1.8rem, 6vw, 2.4rem); line-height: 1.1; letter-spacing: -.01em; }
.eyebrow { margin: 0; color: var(--muted); font-size: .9rem; }
.sub { margin: 4px 0 0; color: var(--muted); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow); min-width: 0; }
.card h2 { font-size: 1.05rem; margin: 0; }
.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; margin-bottom: 8px; }
.card-head .muted { font-size: .85rem; }

.sessions { list-style: none; margin: 0; padding: 0; }
.session { display: grid; grid-template-columns: 4.8rem 1fr auto; gap: 4px 12px; padding: 12px 0;
  border-top: 1px solid var(--line); align-items: start; }
.session:first-child { border-top: 0; }
.when { color: var(--muted); font-size: .9rem; padding-top: 1px; }
.title { font-weight: 600; }
.detail { font-size: .92rem; }
.notes { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }
.note { font-size: .8rem; color: var(--muted); background: var(--chip-muted); padding: 1px 8px; border-radius: 999px; }
.note.flag, .flag { color: var(--over); }
.note.flag { background: transparent; border: 1px solid currentColor; }
.state { display: grid; gap: 6px; justify-items: end; }
.chip { font-size: .78rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; white-space: nowrap;
  background: var(--chip-muted); color: var(--muted); }
.chip.good { background: var(--good-soft); color: var(--good); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.bad { background: var(--bad-soft); color: var(--bad); }
.chip.accent { background: var(--accent-soft); color: var(--accent); }
@media (max-width: 520px) {
  .session { grid-template-columns: 1fr auto; }
  .when { grid-column: 1 / -1; }
}

.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-bottom: 8px; }
@media (max-width: 520px) {
  .stats { gap: 8px; }
  .stat { padding: 8px; }
  .stat .value { font-size: 1.3rem; }
  .stat .label, .stat .hint { font-size: .74rem; }
}
.stat .value.text { font-size: 1.1rem; padding-top: .25rem; }
.caption { font-size: .8rem; color: var(--muted); margin: 4px 0 0; }
.stat { background: var(--bg); border-radius: 10px; padding: 10px 12px; }
.stat .label { font-size: .82rem; color: var(--muted); }
.stat .value { font-size: 1.6rem; font-weight: 650; line-height: 1.2; font-variant-numeric: tabular-nums; }
.stat .value small { font-size: .85rem; font-weight: 500; color: var(--muted); }
.stat .hint { font-size: .8rem; color: var(--muted); }

.chart { position: relative; height: 200px; margin-top: 8px; }
.chart.small { height: 150px; } .chart.tall { height: 260px; }
.legend { font-size: .82rem; color: var(--muted); margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: center; }
.sw { display: inline-block; width: 12px; height: 12px; border-radius: 3px; vertical-align: -1px; margin-right: 4px; }
.sw.band { background: var(--band); border: 1px solid var(--accent); }
.sw.bar { background: var(--bar); } .sw.over { background: var(--over); }

.table-wrap { overflow-x: auto; margin: 0 -16px; padding: 0 16px; }
table.weeks { width: 100%; border-collapse: collapse; font-size: .92rem; font-variant-numeric: tabular-nums; }
.weeks th { text-align: left; font-weight: 600; color: var(--muted); font-size: .8rem; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.weeks td { padding: 8px; border-bottom: 1px solid var(--line); white-space: nowrap; vertical-align: top; }
.weeks tr.current td { background: var(--accent-soft); }

.pager { display: flex; justify-content: space-between; padding: 4px; font-size: .95rem; }

.login { max-width: 380px; margin: 8vh auto 0; width: 100%; }
.login h1 { margin-top: 0; font-size: 1.4rem; }
form label { display: grid; gap: 4px; margin-bottom: 12px; font-size: .9rem; color: var(--muted); }
input { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button.primary { width: 100%; font: inherit; font-weight: 600; color: #fff; background: var(--accent);
  border: 0; border-radius: 10px; padding: 11px; cursor: pointer; }
@media (prefers-color-scheme: dark) { button.primary { color: #0f1a16; } }
button.small { font: inherit; font-size: .8rem; border: 1px solid var(--line); background: var(--surface);
  color: var(--ink); border-radius: 8px; padding: 3px 9px; cursor: pointer; }
.state form { margin: 0; }
.error { background: var(--bad-soft); color: var(--bad); padding: 8px 12px; border-radius: 10px; }

/* Coach (stap 5) */
.coach p { margin: 0 0 10px; line-height: 1.5; }
.coach .coach-kop { font-size: 1.08rem; font-weight: 650; margin-bottom: 8px; }
.coach .label { font-size: .82rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.coach .next { background: var(--bg); border-radius: 10px; padding: 10px 12px; margin: 12px 0; }
.coach .next p { margin: 6px 0 0; }
.coach .next-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.coach .points { margin: 0 0 10px; padding-left: 1.2em; }
.coach .points li { margin: 2px 0; }
.coach .questions { border-left: 3px solid var(--accent); padding: 2px 0 2px 10px; margin: 0 0 10px; }
.coach .questions p { margin: 4px 0 0; }