/* The tracking page (track.html). style.css gives the site's type, buttons
   and footer; this lays out a page where the chart fills the screen, with the
   threads in a side rail in landscape and a bottom sheet in portrait. The
   chart itself is drawn by track.js, which picks its colors for the theme. */
:root { --track-on-bg: var(--navy); --track-on-ink: #fff; --track-pick: var(--coral-600); --track-frog: #13804a; }
html[data-theme="dark"] {
  color-scheme: dark;
  --ink: #e7ebf1; --navy: #e7ebf1; --navy-700: #ffffff; --navy-50: #232a35; --muted: #a7b0bd;
  --paper: #1c222c; --ivory: #252c38; --cream: #12161d;
  --line: #2b3340; --line-strong: #455061; --field-line: #6f7a8c;
  --coral-50: #3b2523; --coral-600: #e0574d; --coral-700: #ff9d92; --teal-700: #4fbfb1;
  --track-on-bg: #e7ebf1; --track-on-ink: #12161d; --track-pick: #ff8a7e; --track-frog: #5fd08a;
}
html[data-theme="dark"] .site-footer, html[data-theme="dark"] .skip-link { background: #0b0e13; }
/* White on the dark theme's lighter coral is 3.7:1; the dark ink is 4.8:1 on it, and more when the pointer is over the button. */
html[data-theme="dark"] .primary, html[data-theme="dark"] .primary:hover:not(:disabled) { color: var(--track-on-ink); }

.track-body { min-height: 100vh; min-height: 100dvh; }
.track-main { display: flex; flex-direction: column; min-height: 100vh; min-height: 100dvh; }
.is-tracking .track-main { height: 100vh; height: 100dvh; overflow: hidden; }
.is-tracking .site-footer { display: none; }

/* The bar across the top. */
.track-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; padding: 6px max(12px, env(safe-area-inset-right)) 6px max(12px, env(safe-area-inset-left)); background: var(--paper); border-bottom: 1px solid var(--line); }
.track-home { display: inline-flex; border-radius: 8px; }
.track-home img { display: block; }
.track-title { flex: 1 1 160px; min-width: 0; margin: 0; font-size: 1.15rem; line-height: 1.3; letter-spacing: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.track-bar-link { padding: 10px 16px; font-size: .92rem; }
.track-bar-button { padding: 9px 16px; border-radius: 999px; }
.track-switch { display: inline-flex; flex-direction: row; align-items: center; color: var(--ink); gap: 8px; min-height: 44px; padding: 0 6px; font-weight: 600; font-size: .9rem; cursor: pointer; }
.track-switch input { appearance: none; -webkit-appearance: none; position: relative; flex: none; width: 48px; height: 28px; margin: 0; border-radius: 999px; background: var(--field-line); cursor: pointer; transition: background-color .15s; }
.track-switch input::before { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgb(0 0 0 / .3); transition: transform .15s; }
.track-switch input:checked { background: var(--teal-700); }
.track-switch input:checked::before { transform: translateX(20px); }
.track-switch input:disabled { cursor: not-allowed; opacity: .5; }

.track-settings { display: flex; flex-wrap: wrap; align-items: end; gap: 10px 28px; padding: 10px 16px 12px; background: var(--paper); border-bottom: 1px solid var(--line); }
.track-settings label { display: grid; gap: 4px; min-width: min(260px, 100%); font-weight: 600; font-size: .9rem; }
.track-settings .fine { flex-basis: 100%; margin: 0; }
.track-settings-note:empty { display: none; }

/* The counters strip. */
.track-counters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; background: var(--paper); border-bottom: 1px solid var(--line); }
.track-counters > div { padding: 4px 12px 6px; border-left: 1px solid var(--line); min-width: 0; }
.track-counters > div:first-child { border-left: 0; }
.track-counters dt { font-size: .78rem; line-height: 1.3; color: var(--muted); }
.track-counters dd { margin: 0; font: 700 1.25rem/1.2 var(--font-display); font-variant-numeric: tabular-nums; color: var(--ink); }

/* The chart list, before a chart is open. */
.track-picker { flex: 1 0 auto; width: min(860px, calc(100% - 32px)); margin: 24px auto 56px; }
.track-intro { font-size: 1.05rem; color: var(--muted); max-width: 62ch; }
.track-picker h2 { font-size: 1.4rem; margin: 28px 0 12px; }
.track-chart-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.track-chart-list a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px 18px; align-items: center; min-height: 72px; padding: 14px 18px; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--paper); color: var(--ink); text-decoration: none; }
.track-chart-list a:hover { border-color: var(--navy); }
.track-chart-name { font-weight: 700; font-size: 1.08rem; overflow-wrap: anywhere; }
.track-chart-facts { color: var(--muted); font-size: .9rem; }
.track-chart-go { grid-column: 2; grid-row: 1 / span 2; font-weight: 700; color: var(--coral-700); }
.track-picker .notice { margin-bottom: 12px; }

/* The chart and the rail. */
.track-view { flex: 1 1 auto; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) clamp(280px, 30vw, 360px); }
.track-stage { position: relative; min-width: 0; min-height: 0; overflow: hidden; }
#track-canvas { display: block; width: 100%; height: 100%; touch-action: none; user-select: none; -webkit-user-select: none; -webkit-touch-callout: none; }
#track-canvas:focus-visible { outline-offset: -3px; }
.track-zoom { position: absolute; right: 12px; bottom: 12px; display: flex; flex-direction: column; gap: 8px; }
.track-zoom button { min-width: 52px; min-height: 52px; padding: 6px 10px; font-size: 1.5rem; line-height: 1; box-shadow: var(--shadow); }
.track-zoom #zoom-fit { font-size: .82rem; line-height: 1.2; max-width: 80px; }
.track-status { position: absolute; top: 34px; left: 50%; transform: translateX(-50%); z-index: 2; width: max-content; max-width: calc(100% - 140px); margin: 0; padding: 8px 14px; border-radius: 10px; background: var(--track-on-bg); color: var(--track-on-ink); font-size: .92rem; line-height: 1.4; text-align: center; box-shadow: var(--shadow); pointer-events: none; }
.track-status:empty { display: none; }

.track-rail { display: flex; flex-direction: column; min-height: 0; background: var(--paper); border-left: 1px solid var(--line); }
.track-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px; }
.track-actions button { min-height: 58px; border-radius: 12px; font-size: 1.08rem; }
.track-actions button[aria-pressed="true"], .track-actions button[aria-pressed="true"]:hover { background: var(--track-on-bg); border-color: var(--track-on-bg); color: var(--track-on-ink); }
.track-actions #next-stitch { grid-column: 1 / -1; }
.track-place { min-height: 1.4em; margin: 0 12px 8px; font-weight: 600; font-size: .95rem; line-height: 1.4; }
/* Jump back: the parking and frog marks, newest first. The swatches look like
   the marks on the chart: the thread's color in the top left corner, or a
   ring of dashes. */
.track-jump { padding: 6px 10px 10px; border-top: 1px solid var(--line); }
.track-jump h2 { margin: 0 2px 6px; font-size: 1rem; letter-spacing: 0; }
.track-jump-list { display: grid; gap: 6px; max-height: 11.5rem; margin: 0; padding: 0; list-style: none; overflow-y: auto; overscroll-behavior: contain; }
.track-jump-list li { display: grid; grid-template-columns: minmax(0, 1fr) 48px; gap: 6px; }
.track-jump-go { display: grid; grid-template-columns: 26px minmax(0, 1fr); column-gap: 10px; align-items: center; min-height: 48px; padding: 4px 10px; border-radius: 12px; text-align: left; font-weight: 500; }
.track-jump-mark { grid-row: 1 / span 2; width: 26px; height: 26px; border: 1px solid var(--line-strong); border-radius: 4px; background: var(--ivory); }
.track-jump-mark.is-park { background: linear-gradient(135deg, var(--pin, var(--ink)) 0 50%, var(--ivory) 50%); }
.track-jump-mark.is-frog { border: 2px dashed var(--track-frog); background: transparent; }
.track-jump-name { min-width: 0; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-jump-place { min-width: 0; color: var(--muted); font-size: .8rem; }
.track-jump-off { min-height: 48px; padding: 0; border-radius: 12px; font-size: 1.3rem; line-height: 1; }
.track-threads-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 6px 12px; border-top: 1px solid var(--line); }
.track-threads-head h2 { margin: 0; font-size: 1rem; letter-spacing: 0; }
#sheet-toggle { display: none; min-height: 40px; padding: 6px 14px; }
.track-threads { flex: 1 1 auto; min-height: 0; display: grid; align-content: start; gap: 6px; margin: 0; padding: 2px 10px 12px; list-style: none; overflow-y: auto; overscroll-behavior: contain; }
.track-thread { display: grid; grid-template-columns: 42px minmax(0, 1fr) auto; column-gap: 10px; align-items: center; width: 100%; min-height: 58px; padding: 6px 10px; border-radius: 12px; text-align: left; font-weight: 500; }
.track-thread[aria-pressed="true"], .track-thread[aria-pressed="true"]:hover { border: 2px solid var(--track-pick); background: var(--coral-50); }
.track-swatch { grid-row: 1 / span 2; display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgb(0 0 0 / .18); border-radius: 8px; font: 700 1.25rem/1 "Segoe UI Symbol", monospace; }
.track-swatch.is-all { background: var(--ivory); color: var(--ink); font-size: .8rem; font-family: var(--font); }
.track-thread-name { min-width: 0; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-thread-sub { min-width: 0; color: var(--muted); font-size: .8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track-thread-left { grid-column: 3; grid-row: 1 / span 2; text-align: right; font: 700 1.05rem/1.2 var(--font-display); font-variant-numeric: tabular-nums; }
.track-thread-left small { display: block; font: 500 .74rem/1.3 var(--font); color: var(--muted); }
.track-thread.is-finished { opacity: .6; }

@media (orientation: portrait) {
  .track-view { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) auto; }
  .track-rail { max-height: 46vh; max-height: 46dvh; border-left: 0; border-top: 1px solid var(--line); border-radius: 16px 16px 0 0; box-shadow: 0 -10px 28px -16px rgb(0 0 0 / .35); padding-bottom: env(safe-area-inset-bottom); }
  .track-actions { grid-template-columns: repeat(4, minmax(0, 1fr)) 1.3fr; }
  .track-actions #next-stitch { grid-column: auto; }
  #sheet-toggle { display: inline-flex; align-items: center; }
  .track-threads { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
  .track-rail.is-collapsed .track-threads, .track-rail.is-collapsed .track-jump { display: none; }
  .track-jump-list { max-height: 7.5rem; }
}
@media (orientation: portrait) and (max-width: 600px) {
  .track-actions { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .track-actions button { min-height: 52px; padding-inline: 6px; font-size: 1rem; }
  .track-actions #next-stitch { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .track-counters > div { padding: 4px 8px 6px; }
  .track-counters dt { font-size: .7rem; }
  .track-counters dd { font-size: 1.05rem; }
  .track-bar-link, .track-bar-button { padding: 8px 12px; font-size: .85rem; }
  .track-status { max-width: calc(100% - 96px); }
}