/* Canada Dates — civic calendar style. System fonts only (fast, no third-party requests). */
:root {
  --paper: #f6f8f7; --surface: #ffffff; --ink: #15201c; --muted: #56625d; --line: #d9e0dc; --soft: #edf2ef;
  --accent: #1e4d43; --accent-ink: #ffffff; --maple: #b42318; --maple-soft: #fdecea; --ok: #1d6b4f; --ok-soft: #e2f2ea;
  --radius: 10px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0f1513; --surface: #161e1b; --ink: #e6ece9; --muted: #9ba7a1; --line: #29342f; --soft: #1b2522;
    --accent: #7cc8b2; --accent-ink: #0f1513; --maple: #f2877c; --maple-soft: #3a1d1a; --ok: #7cc8b2; --ok-soft: #173029;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.65 var(--font); }
a { color: var(--accent); text-underline-offset: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
.wrap { max-width: 860px; margin: 0 auto; padding-inline: 18px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }

.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; padding-block: 12px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
.brand svg { color: var(--ink); flex: none; }
.top-nav { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 14px; }
.top-nav a { color: var(--muted); text-decoration: none; }
.top-nav a:hover, .top-nav a[aria-current] { color: var(--accent); text-decoration: underline; }

.page { padding-block: 22px 56px; }
.crumbs { font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--muted); }
.kicker { margin: 18px 0 4px; font: 600 13px/1.2 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--maple); }
h1 { margin: 0; font-size: clamp(28px, 4.6vw, 40px); line-height: 1.15; letter-spacing: -0.01em; text-wrap: balance; }
h2 { margin: 0 0 10px; font-size: 24px; line-height: 1.25; text-wrap: balance; }
h3 { margin: 18px 0 6px; font-size: 18px; }
.lead { font-size: 19px; margin: 12px 0 6px; max-width: 68ch; }
.checked { font-size: 14px; color: var(--muted); margin: 0 0 18px; }

.countdown { background: var(--accent); color: var(--accent-ink); border-radius: var(--radius); padding: 18px 20px; margin: 18px 0 26px; }
.cd-label { margin: 0 0 10px; font-weight: 600; }
.cd-digits { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.cd-digits div { background: rgba(255,255,255,.12); border-radius: 8px; padding: 10px 6px; text-align: center; }
.cd-digits b { display: block; font: 700 clamp(26px, 6vw, 40px)/1.1 var(--mono); font-variant-numeric: tabular-nums; }
.cd-digits span { font-size: 13px; opacity: .85; }
.cd-date, .cd-note { margin: 10px 0 0; font-size: 14px; opacity: .9; }
@media (prefers-color-scheme: dark) { .cd-digits div { background: rgba(0,0,0,.14); } }

.content { display: grid; gap: 28px; }
.block p, .block li { max-width: 70ch; }
.block ul, .block ol { padding-left: 22px; }
.table-wrap { overflow-x: auto; margin: 10px 0; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 15.5px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--soft); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }
td[data-days] { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--muted); }
td[data-days].soon { color: var(--maple); font-weight: 600; }
.yes { color: var(--ok); font-weight: 600; } .no { color: var(--maple); font-weight: 600; }
.tip { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 8px; padding: 12px 14px; }
.warn { border-left-color: var(--maple); }

.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 0 14px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 600; padding: 12px 0; }
.faq details p { margin: 0 0 14px; }
.sources ul { font-size: 15px; }

.related, .group { margin-top: 32px; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.card { display: grid; gap: 4px; align-content: start; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; text-decoration: none; color: var(--ink); }
.card:hover { border-color: var(--accent); }
.card strong { line-height: 1.3; }
.card-kicker { font: 600 12px var(--mono); color: var(--maple); text-transform: uppercase; letter-spacing: .05em; }
.card-date { font-size: 14px; color: var(--muted); font-family: var(--mono); }

.site-footer { border-top: 1px solid var(--line); background: var(--surface); font-size: 14px; color: var(--muted); }
.footer-row { padding-block: 20px 28px; display: grid; gap: 6px; }
.footer-row p { margin: 0; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }

/* ---------- interactive tools (tools.py + app.js) ---------- */
[hidden] { display: none !important; }
.tool { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 16px; margin: 18px 0 28px; display: grid; gap: 14px; }
.tool-display, .tool-now { margin: 0; text-align: center; font: 700 clamp(52px, 15vw, 108px)/1 var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -0.02em; color: var(--ink); overflow-wrap: anywhere; }
.tool-now { font-size: clamp(30px, 8.5vw, 76px); }
.tool-display.is-running { color: var(--accent); }
.tool[data-mode="short"] .tool-display.is-running, .tool[data-mode="long"] .tool-display.is-running { color: var(--ok); }
.tool-sub, .tool-status, .tool-empty, .tool-note { margin: 0; text-align: center; color: var(--muted); font-size: 15px; }
.tool-sub.small, .tool-note { font-size: 14px; }
.tool-status:empty { display: none; }
.tool-clock { display: grid; gap: 4px; }
.tool-actions, .chips, .seg { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.tool-form, .tool-inputs { display: flex; flex-wrap: wrap; gap: 10px 12px; align-items: end; justify-content: center; }
.tool label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
.tool input[type="time"], .tool input[type="number"], .tool input[type="text"], .tool select {
  font: 500 17px var(--font); padding: 9px 10px; min-height: 44px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink); }
.tool input[type="number"] { width: 6em; }
.tool .check { display: flex; gap: 8px; align-items: center; justify-content: center; color: var(--ink); font-size: 15px; }
.btn { font: 600 16px/1 var(--font); padding: 12px 18px; min-height: 44px; border-radius: 8px; border: 1px solid var(--line); background: var(--soft); color: var(--ink); cursor: pointer; }
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.small { font-size: 14px; padding: 8px 12px; min-height: 36px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn:focus-visible, .chip:focus-visible, .seg-btn:focus-visible, .tool input:focus-visible, .tool select:focus-visible, .tool summary:focus-visible {
  outline: 3px solid var(--accent); outline-offset: 2px; }
.chip, .seg-btn { font: 600 14px/1 var(--font); padding: 9px 13px; min-height: 36px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); color: var(--ink); cursor: pointer; }
.chip.is-active, .seg-btn.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.tool-done { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; padding: 10px; border-radius: 8px; background: var(--maple-soft); color: var(--maple); font-size: 18px; }
.tool-settings summary { cursor: pointer; font-weight: 600; text-align: center; }
.tool-settings[open] { display: grid; gap: 12px; }
.tool-settings .tool-inputs { margin-top: 10px; }
.alarm-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.alarm-item { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.alarm-item.is-off { opacity: .6; }
.alarm-t { font: 700 20px var(--mono); }
.alarm-l { color: var(--muted); }
.ring-modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 16px; background: rgba(0, 0, 0, .55); }
.ring-box { width: 100%; max-width: 360px; display: grid; gap: 10px; padding: 24px; border-radius: 14px; background: var(--surface); text-align: center; }
.ring-kicker { margin: 0; font: 600 13px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--maple); }
.ring-time { margin: 0; font: 700 44px var(--mono); }
.ring-label { margin: 0; color: var(--muted); }
#swLapsWrap { margin: 0; }
tr.best td { color: var(--ok); font-weight: 600; }
tr.worst td { color: var(--maple); }
kbd { font: 600 12px var(--mono); padding: 1px 5px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); }
@media (max-width: 480px) {
  .alarm-item { grid-template-columns: 1fr auto; }
  .alarm-item > div { grid-column: 1 / -1; }
}