:root {
  --bg: var(--tg-theme-secondary-bg-color, #f3f4f7); --panel: var(--tg-theme-bg-color, #fff);
  --text: var(--tg-theme-text-color, #1b1d23); --muted: var(--tg-theme-hint-color, #6b7280);
  --line: color-mix(in srgb, var(--text) 12%, transparent);
  --accent: var(--tg-theme-button-color, #1d4ed8); --accent-text: var(--tg-theme-button-text-color, #fff);
  --accent-soft: color-mix(in srgb, var(--accent) 14%, var(--panel));
  --err: #c62828; --err-soft: #fdecec; --warn: #92400e; --warn-soft: #fef3c7; --ok: #047857;
  --r: 12px; --gap: 12px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: var(--tg-theme-secondary-bg-color, #121419); --panel: var(--tg-theme-bg-color, #1a1d24);
    --text: var(--tg-theme-text-color, #e8eaf0); --muted: var(--tg-theme-hint-color, #98a1b3);
    --err: #f87171; --err-soft: #3a1c1c; --warn: #fcd34d; --warn-soft: #3a2f10; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; min-height: 100vh; }
.page { max-width: 560px; margin: 0 auto; padding: 12px 12px calc(24px + env(safe-area-inset-bottom)); display: flex; flex-direction: column; gap: var(--gap); }
@media (min-width: 900px) { .page { max-width: 720px; padding-top: 32px; } }
.panel { background: var(--panel); border-radius: var(--r); padding: 16px; }
.panel.center { text-align: center; }
h1 { margin: 0 0 6px; font-size: 22px; }
h2 { margin: 0 0 10px; font-size: 16px; display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
p { margin: 6px 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.big { font-size: 20px; font-weight: 600; }
.center { text-align: center; }
.foot { margin: 4px 4px 0; }
.err { color: var(--err); background: var(--err-soft); padding: 8px 10px; border-radius: 8px; font-size: 14px; }
.warn { color: var(--warn); background: var(--warn-soft); padding: 8px 10px; border-radius: 8px; font-size: 14px; }
.stack { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.field { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.input { font: inherit; width: 100%; padding: 11px 12px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text); }
.input.big { font-size: 20px; text-align: center; letter-spacing: .02em; }
.btn { font: inherit; padding: 11px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; text-decoration: none; display: inline-block; text-align: center; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
.btn.wide { width: 100%; margin-top: 8px; }
.btn:disabled { opacity: .5; cursor: default; }
.link { font: inherit; font-size: inherit; background: none; border: 0; color: var(--accent); cursor: pointer; padding: 0; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.row .btn { flex: 1; }
.linkbox { background: var(--bg); border-radius: 10px; padding: 10px 12px; margin-top: 10px; }
.url { display: block; word-break: break-all; font-size: 14px; margin: 4px 0; }
.list { display: flex; flex-direction: column; gap: 8px; }
.item { font: inherit; text-align: left; display: flex; flex-direction: column; gap: 2px; padding: 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); cursor: pointer; }
.item.static { cursor: default; }
.item-title { font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.chip { font: inherit; font-size: 14px; padding: 7px 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--panel); color: var(--text); cursor: pointer; }
.chip.on, .daybtn.on, .slot.on { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.chip.on .muted, .daybtn.on .muted, .daybtn.on .none { color: inherit; opacity: .85; }
.days { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 6px; scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch; }
.daybtn { font: inherit; flex: 0 0 auto; min-width: 96px; display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 10px 8px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); cursor: pointer; scroll-snap-align: start; }
.daybtn.empty { opacity: .55; }
.daylabel { font-weight: 600; white-space: nowrap; }
.daylabel::first-letter { text-transform: uppercase; }
.none { color: var(--err); }
.slots { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.slot { font: inherit; font-size: 17px; padding: 12px 4px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--text); cursor: pointer; font-variant-numeric: tabular-nums; }
.okmark { width: 64px; height: 64px; border-radius: 50%; background: var(--accent-soft); color: var(--ok); font-size: 36px; line-height: 64px; margin: 8px auto 12px; }
@media (min-width: 900px) { .days { flex-wrap: wrap; overflow: visible; } .daybtn { min-width: 0; flex: 1 1 calc(100% / 7 - 8px); } }