:root {
  color-scheme: light dark;
  --bg: var(--tg-theme-bg-color, #f4f5f7);
  --text: var(--tg-theme-text-color, #111827);
  --hint: var(--tg-theme-hint-color, #6b7280);
  --card: var(--tg-theme-secondary-bg-color, #ffffff);
  --button: var(--tg-theme-button-color, #2481cc);
  --buttonText: var(--tg-theme-button-text-color, #ffffff);
  --border: rgba(127,127,127,.25);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, sans-serif; background: var(--bg); color: var(--text); }
.container { max-width: 1050px; margin: 0 auto; padding: 14px; }
header, .sectionTitle, .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
h1 { font-size: 24px; margin: 4px 0; }
h2 { font-size: 18px; margin: 0 0 14px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px; margin-bottom: 12px; }
.muted { color: var(--hint); font-size: 13px; }
.hidden { display: none !important; }
button { border: 0; border-radius: 10px; padding: 10px 13px; background: var(--button); color: var(--buttonText); font-weight: 600; cursor: pointer; }
button.secondary { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.danger { background: #c53b3b; color: white; }
button.small { padding: 7px 9px; font-size: 12px; }
input { width: 100%; border: 1px solid var(--border); border-radius: 9px; padding: 10px; background: var(--bg); color: var(--text); }
label { display: block; font-size: 13px; margin-bottom: 7px; color: var(--hint); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.formgrid { display: grid; grid-template-columns: 1.5fr .8fr .8fr; gap: 8px; margin-bottom: 9px; }
.check { grid-column: 1 / -1; display: flex; align-items: center; gap: 7px; color: var(--text); }
.check input { width: auto; }
.tableWrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 650px; }
th, td { padding: 10px 8px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--hint); font-size: 12px; }
tr.changed td { background: rgba(255, 183, 0, .08); }
.people { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.person { border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; display: flex; gap: 8px; align-items: center; }
.person.off { opacity: .5; }
.swap { padding: 9px 0; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.toast { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%); background: #111827; color: white; padding: 10px 14px; border-radius: 10px; max-width: 90vw; z-index: 20; }
details { margin-top: 14px; }
summary { cursor: pointer; font-weight: 600; }
@media (max-width: 720px) { .grid2 { grid-template-columns: 1fr; } .formgrid { grid-template-columns: 1fr 1fr; } .formgrid #startDate { grid-column: 1 / -1; } }
select { width: 100%; border: 1px solid var(--border); border-radius: 9px; padding: 10px; background: var(--bg); color: var(--text); }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 50; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modalCard { width: min(460px, 100%); background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: 0 18px 50px rgba(0,0,0,.25); }
.modalCard form { display: grid; gap: 9px; }
.modalCard label { margin: 2px 0 -3px; }

.person { flex-wrap: wrap; }
.personName { min-width: 150px; font-weight: 600; }
.usernameEditor { display: flex; align-items: center; gap: 5px; flex: 1; min-width: 220px; }
.usernameEditor input { min-width: 120px; padding: 7px 8px; }
.usernameEditor span { color: var(--hint); font-weight: 700; }