/* 2x2 matrices. Site tokens and fonts from site.css; the only additions are the
   six Studiolinos category colours used for regions. Dark is the design target. */

:root {
  /* Studiolinos brand kind colours (studiolinos src/kinds.tsx), the same in both modes. */
  --r-na: #3D8BE0; --r-eu: #F28C28; --r-jp: #E5534B; --r-as: #8A5CD6; --r-sa: #3FAE6A; --r-oc: #F4C21F;
  --axis: #d9cfc5;
}
@media (prefers-color-scheme: light) {
  :root { --axis: #3b3029; }
}

/* ---------- the stage: one full-frame matrix ---------- */
.ski-main { overflow-x: clip; }
.ski-stage { position: relative; height: calc(100svh - var(--ski-head, 64px)); min-height: 560px; overflow: hidden; user-select: none; -webkit-user-select: none; }
.ski-stage svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.ski-stage svg text { font-family: var(--font-sans); }
.ski-ski { fill: var(--chip); stroke: var(--axis); stroke-width: 1.25; }
.ski-line { stroke: var(--axis); stroke-width: 1; opacity: .45; }
.ski-shovel { fill: var(--accent); stroke: var(--axis); stroke-width: 1.25; }
.ski-axname { fill: var(--muted); font-size: 10.5px; font-weight: 700; letter-spacing: .28em; paint-order: stroke; stroke: var(--chip); stroke-width: 4px; stroke-linejoin: round; pointer-events: none; }
.ski-axlabel { fill: var(--text); font-weight: 700; font-size: 20px; letter-spacing: -.01em; }
.ski-qhint { fill: var(--muted); font-family: var(--font-serif) !important; font-style: italic; font-size: 17px; opacity: .7; pointer-events: none; }
.ski-pt { stroke: var(--bg); stroke-width: 1.5; cursor: pointer; fill-opacity: .92; }
.ski-pt.dim { fill-opacity: .12; stroke-opacity: .25; pointer-events: none; }
.ski-pt.sel { stroke: var(--text); stroke-width: 2.5; fill-opacity: 1; }
.ski-name { fill: var(--text); font-size: 11.5px; pointer-events: none; paint-order: stroke; stroke: var(--bg); stroke-width: 3.5px; stroke-linejoin: round; }

.ski-bar { position: absolute; z-index: 2; left: 20px; right: 20px; display: flex; justify-content: space-between; align-items: flex-start; gap: 12px 24px; pointer-events: none; }
.ski-bar > * { pointer-events: auto; max-width: 100%; }
.ski-stage [hidden], .ski-plan [hidden] { display: none !important; }
.ski-top { top: 22px; }
.ski-bottom { bottom: 20px; align-items: flex-end; }
.ski-tl { display: flex; flex-direction: column; gap: 10px; }
.ski-tl .page-title { font-size: clamp(32px, 4vw, 48px); }
.ski-tl .caps { margin: 0 0 6px; }
.ski-axes { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.ski-stage select, .ski-form input, .ski-form select, .ski-form textarea, .ski-filter input, .ski-filter select {
  font: 15px/1.3 var(--font-sans); color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-chip); padding: 8px 12px;
}
.ski-stage select, .ski-filter select, .ski-form select { appearance: none; padding-right: 30px; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 16px) 52%, calc(100% - 11px) 52%; background-size: 5px 5px; background-repeat: no-repeat; }
.ski-toggles { display: flex; flex-wrap: wrap; gap: 4px 16px; justify-content: flex-end; font-size: 14px; }
.ski-toggles .caps { align-self: center; }
.ski-toggles button { all: unset; display: inline-flex; align-items: center; gap: 7px; cursor: pointer; color: var(--text); padding: 3px 0; }
.ski-toggles button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.ski-toggles.filtering button[aria-pressed=false] { opacity: .38; }
.ski-toggles button[aria-pressed=true] .lbl { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 4px; }
.ski-toggles button[aria-pressed=true] i { box-shadow: 0 0 0 2px var(--bg), 0 0 0 3.5px currentColor; }
.ski-toggles button:hover { opacity: 1 !important; }
.ski-toggles i { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.ski-toggles .pass-mark { width: 10px; height: 10px; border-radius: 2px; border: 1.5px solid var(--muted); }
.ski-toggles button[aria-pressed=true] .pass-mark { background: var(--text); border-color: var(--text); }
.ski-count { color: var(--muted); font-size: 13px; }

.ski-tip { position: absolute; z-index: 4; display: none; width: 290px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-media); box-shadow: 0 18px 48px rgb(0 0 0 / .28); font-size: 14px; line-height: 1.45; pointer-events: none; }
.ski-tip.pinned { pointer-events: auto; }
.ski-tip h3 { margin: 0; font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.ski-tip .where { display: flex; align-items: center; gap: 7px; color: var(--muted); margin-top: 2px; }
.ski-tip .quad { margin-top: 8px; color: var(--muted); font-family: var(--font-serif); font-style: italic; font-size: 16px; }
.ski-tip dl { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 10px; align-items: center; margin: 10px 0 0; }
.ski-tip dt { color: var(--muted); }
.ski-tip dd { margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.ski-meter { display: block; height: 4px; border-radius: 2px; background: var(--line); position: relative; overflow: hidden; }
.ski-meter i { position: absolute; inset: 0 auto 0 0; background: var(--text); opacity: .6; }
.ski-tip .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 14px; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--line); }
.ski-tip .facts span { color: var(--muted); }
.ski-tip .note { margin-top: 8px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ski-tip .plan { display: none; margin-top: 12px; font-weight: 600; }
.ski-tip.pinned .plan { display: inline-block; }
.ski-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; flex: none; }
.ski-pass { display: inline-block; margin: 8px 6px 0 0; padding: 3px 7px; border: 1px solid var(--line); border-radius: 5px; font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; color: var(--text); }
.ski-pass.none { color: var(--muted); font-weight: 500; border-style: dashed; }
td .ski-pass { margin: 0 4px 0 0; }

/* ---------- plan a trip (bottom left of the frame) ---------- */
.ski-bl { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.ski-cta { all: unset; cursor: pointer; display: inline-block; padding: 10px 18px; border-radius: 6px; background: var(--accent); color: var(--bg); font-weight: 700; font-size: 15px; }
.ski-cta:hover { filter: brightness(1.08); }
.ski-cta:focus-visible { outline: 2px solid var(--text); outline-offset: 3px; }
.ski-links { display: flex; gap: 16px; font-size: 13px; }
.ski-links a { color: var(--muted); text-decoration: none; }
.ski-links a:hover { color: var(--accent); }
.ski-plan { width: min(680px, calc(100vw - 24px)); max-height: calc(100dvh - 48px); padding: 28px 28px 24px; border: 1px solid var(--line); border-radius: var(--radius-media); background: var(--bg); color: var(--text); box-shadow: 0 24px 64px rgb(0 0 0 / .35); }
.ski-plan::backdrop { background: rgb(0 0 0 / .45); }
.ski-plan h2 { margin: 0 0 4px; font-size: 26px; font-weight: 800; letter-spacing: -.015em; }
.ski-close { position: absolute; top: 12px; right: 14px; }
.ski-close button { all: unset; cursor: pointer; font-size: 26px; line-height: 1; color: var(--muted); padding: 4px 8px; }
.ski-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; margin-top: 18px; }
.ski-form label { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
.ski-form .wide { grid-column: 1 / -1; }
.ski-form textarea { min-height: 88px; resize: vertical; }
.ski-step { grid-column: 1 / -1; border: 0; margin: 0; padding: 0; min-width: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.ski-step-count { margin: 0; color: var(--muted); font-size: 13px; }
.ski-form .group .legend { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.ski-form .checks { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.ski-form .checks label { display: inline-flex; gap: 7px; align-items: center; color: var(--text); font-weight: 400; font-size: 15px; }
.ski-back { all: unset; cursor: pointer; color: var(--muted); font-size: 15px; padding: 10px 6px; }
.ski-back:hover { color: var(--text); }
.ski-form input[type=checkbox] { accent-color: var(--accent); width: 16px; height: 16px; margin: 0; padding: 0; }
.ski-form .trap { position: absolute; left: -9999px; }
.ski-form .actions { grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.ski-form .msg { margin: 0; color: var(--muted); }

/* ---------- data + method pages ---------- */
.ski-doc { padding-top: 32px; }
.ski-doc .caps { margin: 0 0 8px; }
.ski-doc .caps a { color: inherit; text-decoration: none; }
.ski-doc details { margin-top: 28px; border-top: 1px solid var(--line); padding-top: 18px; }
.ski-doc summary { cursor: pointer; font-weight: 700; font-size: 20px; list-style: none; display: flex; align-items: center; gap: 10px; }
.ski-doc summary::-webkit-details-marker { display: none; }
.ski-doc summary::before { content: ""; width: 7px; height: 7px; border: solid var(--muted); border-width: 0 2px 2px 0; transform: rotate(-45deg); transition: transform .15s; }
.ski-doc details[open] summary::before { transform: rotate(45deg); }
.ski-doc summary .ski-count { font-weight: 400; margin-left: 4px; }
.ski-filter { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 14px; }
.ski-filter input { min-width: 240px; }
.ski-table-scroll { overflow-x: auto; }
.ski-table { border-collapse: collapse; font-size: 13.5px; width: max-content; min-width: 100%; }
.ski-table th, .ski-table td { padding: 9px 12px 9px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; white-space: nowrap; }
.ski-table th { font-size: 12px; font-weight: 600; color: var(--muted); }
.ski-table th button { all: unset; cursor: pointer; }
.ski-table th[aria-sort=ascending] button::after { content: " ↑"; }
.ski-table th[aria-sort=descending] button::after { content: " ↓"; }
.ski-table th .grp { display: block; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; opacity: .75; }
.ski-table .n { text-align: right; font-variant-numeric: tabular-nums; }
.ski-table td.wrap { white-space: normal; min-width: 240px; max-width: 380px; color: var(--muted); }
.ski-table td.wrap > div { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ski-table td.wrap:hover > div { -webkit-line-clamp: unset; }
.ski-table td:first-child { white-space: normal; min-width: 180px; max-width: 240px; font-weight: 600; }
.ski-table .null { color: var(--muted); opacity: .5; }
.ski-table td a { word-break: break-all; }

@media (max-width: 719px) {
  .ski-stage { height: calc(100svh - var(--ski-head, 56px)); }
  .ski-bar { left: 16px; right: 16px; flex-direction: column; align-items: flex-start; gap: 10px; }
  .ski-top { top: 14px; }
  .ski-bottom { bottom: 12px; }
  .ski-toggles { justify-content: flex-start; gap: 2px 12px; font-size: 13px; }
  .ski-axlabel { font-size: 15px; }
  .ski-qhint { font-size: 14px; }
  .ski-tip { width: auto; left: 12px !important; right: 12px; }
  .ski-form, .ski-step { grid-template-columns: 1fr; }
  /* The matrix page keeps the footer to one line on phones. */
  body:has(.ski-stage) .sitefoot .foot-provenance,
  body:has(.ski-stage) .sitefoot .foot-links,
  body:has(.ski-stage) .sitefoot .foot-sig { display: none; }
  body:has(.ski-stage) .sitefoot { margin-top: 0; }
  body:has(.ski-stage) .sitefoot .foot-brand { padding-top: 12px; border-top: 1px solid var(--line); }
}