:root {
  color-scheme: light;
  --bg: #f4f7f4;
  --surface: #ffffff;
  --ink: #1d3024;
  --muted: #6c7b70;
  --accent: #287a4f;
  --accent-soft: #e0f1e6;
  --danger: #b34747;
  --line: #dbe5de;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: Inter, Arial, sans-serif; }
.page { max-width: 720px; margin: 0 auto; padding: 24px 16px 40px; }
.header { display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.eyebrow { margin: 0 0 5px; color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: 1.6px; }
h1 { margin: 0; font-size: 28px; line-height: 1.1; }
.muted { color: var(--muted); margin: 8px 0 0; }
.refresh { border: 0; background: var(--surface); color: var(--accent); width: 42px; height: 42px; border-radius: 14px; font-size: 25px; box-shadow: 0 4px 16px #183b2420; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 22px; }
.tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 0 0 20px; overflow-x: auto; }
.tab { border: 1px solid var(--line); background: var(--surface); color: var(--muted); border-radius: 12px; padding: 10px 7px; font: inherit; font-size: 12px; white-space: nowrap; }
.tab.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 700; }
.stat { background: var(--surface); border-radius: 16px; padding: 14px 12px; border: 1px solid var(--line); }
.stat b { display: block; font-size: 24px; margin-bottom: 4px; }
.stat span { color: var(--muted); font-size: 12px; }
.section { margin: 24px 0; }
.section h2 { font-size: 17px; margin: 0 0 10px; }
.cards { display: grid; gap: 9px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
.card-top { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.client { font-weight: 750; }
.date { color: var(--accent); font-size: 13px; font-weight: 700; white-space: nowrap; }
.workout, .note { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.badge { color: var(--accent); background: var(--accent-soft); border-radius: 999px; padding: 4px 8px; font-size: 12px; white-space: nowrap; }
.search { width: 100%; padding: 13px; border: 1px solid var(--line); border-radius: 14px; font: inherit; margin-bottom: 12px; }
.client-row { display: grid; gap: 4px; text-align: left; width: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: 15px; padding: 14px; font: inherit; color: var(--ink); }
.client-row span, .details span { color: var(--muted); font-size: 14px; }
.details { display: grid; grid-template-columns: 120px 1fr; gap: 9px; margin: 18px 0; }
.text-button { border: 0; background: transparent; color: var(--accent); padding: 0 0 14px; font: inherit; font-weight: 700; }
h3 { font-size: 15px; margin-top: 22px; }
ul { padding-left: 20px; color: var(--muted); line-height: 1.6; }
.overdue .date { color: var(--danger); }
.empty { background: var(--accent-soft); border-radius: 14px; color: var(--muted); margin: 0; padding: 13px; font-size: 14px; }
@media (max-width: 380px) { .stats { grid-template-columns: 1fr; } }