/* Pack Station view. Targets: WCAG 2.2 AA (R26); text 4.5:1 and markers 3:1 (R28);
   usable at 320 CSS px and 200% text (R28); targets 44x44 (R29); state never by colour
   alone (R27): every state has a word and an icon shape, colour is only a third cue. */

:root {
  --bg: #ffffff;
  --fg: #1a1a1a;          /* 16.7:1 on white */
  --muted: #595959;       /* 7.0:1 */
  --line: #767676;        /* 4.5:1, used for borders and markers (3:1 needed) */
  --accent: #1d4f91;      /* 7.6:1 */
  --banner-bg: #fff4e0;
  --banner-fg: #5c3a00;   /* 9.4:1 on banner-bg */
  --error-fg: #9b1c1c;    /* 6.6:1 */
  --focus: #1d4f91;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212; --fg: #f2f2f2; --muted: #c2c2c2; --line: #9a9a9a; --accent: #9cc3ff;
    --banner-bg: #3a2a00; --banner-fg: #ffe2a8; --error-fg: #ff9b9b; --focus: #9cc3ff;
  }
}

* { box-sizing: border-box; }
html { font-size: 112.5%; }                 /* 18px base for older readers */
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}
main, .top, .help { max-width: 40rem; margin: 0 auto; padding: 0 16px; }
.top { display: flex; align-items: center; justify-content: space-between; min-height: 56px; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; }
h1 { font-size: 1.5rem; margin: 1rem 0 .5rem; }
.date { display: block; font-size: 1rem; font-weight: 400; color: var(--muted); }

.skip { position: absolute; left: -999px; top: 0; background: var(--bg); color: var(--fg); padding: 8px; }
.skip:focus { left: 8px; z-index: 10; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

button, .button-link, input {
  font: inherit; min-height: 44px; padding: 8px 16px; border-radius: 6px;
}
button { background: var(--accent); color: var(--bg); border: 0; cursor: pointer; }
button.link { background: none; color: var(--accent); text-decoration: underline; padding: 8px; }
.button-link { display: inline-flex; align-items: center; color: var(--accent); text-decoration: underline; padding: 8px 0; }
input { width: 100%; border: 2px solid var(--line); background: var(--bg); color: var(--fg); }
label { display: block; font-weight: 600; margin-top: 1rem; }
.stack > * + * { margin-top: .75rem; }

.last-report { color: var(--muted); margin: .25rem 0 1rem; }
.last-report.is-offline { color: var(--fg); font-weight: 600; }
.banner {
  background: var(--banner-bg); color: var(--banner-fg);
  border-left: 6px solid var(--banner-fg); padding: 12px; margin: .5rem 0; font-weight: 600;
}
.banner-phone { border-left-color: var(--error-fg); color: var(--error-fg); background: transparent; border: 2px solid var(--error-fg); }
.error { color: var(--error-fg); font-weight: 600; }

table.slots { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.slots th, .slots td { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.slots thead th { font-size: .9rem; color: var(--muted); font-weight: 600; }
.slots tbody th { font-weight: 600; }
.icon { display: inline-block; width: 1.4em; font-size: 1.1em; }
.late { color: var(--muted); font-size: .9rem; }
.stale { opacity: .55; }
.note { color: var(--muted); font-size: .95rem; }

.help { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1rem; padding-bottom: 2rem; color: var(--muted); font-size: .95rem; }

/* 320 px: stack the table so nothing scrolls sideways (WCAG 1.4.10) */
@media (max-width: 380px) {
  .slots thead { display: none; }
  .slots tr { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 8px; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .slots th, .slots td { border: 0; padding: 0; }
  .slots tbody th { grid-column: 1 / -1; }
}