/* Your First Colour-Window Routine: page-specific styles. Shared tokens and classes come from site.css. */

/* Long, specific button labels may wrap on phones rather than overflow. */
#try-stage .btn, #why-stage .btn, #challenge-stage .btn { white-space: normal; max-width: 100%; line-height: 1.2; padding-top: 8px; padding-bottom: 8px; text-align: center; }

/* Legend: black = 0, red = 1. Swatches use the literal suit inks. */
.cw-legend { margin-top: var(--s2); }
.cw-legend .swatch.sw-black { background: var(--black-ink); box-shadow: 0 0 0 1px rgba(244,239,228,0.45); }
.cw-legend .swatch.sw-red { background: var(--red-ink); box-shadow: 0 0 0 1px rgba(244,239,228,0.45); }
.cw-bitchar { font-family: var(--font-math); font-weight: 700; color: var(--paper); }
.cw-foot { font-size: 0.88rem; color: var(--secondary-on-stage); }

/* Mini faces: rank and suit large and centred, so small cards stay legible. */
.cw-board .card .pip, .cw-board .card .corner.br,
.cw-chrow .card .pip, .cw-chrow .card .corner.br { display: none; }
.cw-board .card .corner.tl, .cw-chrow .card .corner.tl { left: 0; top: 0; right: 0; bottom: 0; align-content: center; gap: 2px; }
.cw-board .card .corner .r, .cw-chrow .card .corner .r { font-size: calc(var(--w) * 0.42); }
.cw-board .card .corner .s, .cw-chrow .card .corner .s { font-size: calc(var(--w) * 0.36); }
.card-tag.cw-bit { font: 700 1rem/1 var(--font-math); color: var(--paper); letter-spacing: 0; }
.card-tag.cw-bit[data-kind="active"] { color: var(--active); }

/* ---------- Try it ---------- */
.cw-packet { display: grid; gap: 8px; }
.cw-packet-head { display: flex; justify-content: space-between; align-items: center; gap: var(--s2); }
.cw-count { font-size: 0.85rem; color: var(--secondary-on-stage); }
/* The face-down packet as a fan: left to right is top to bottom. Width is budgeted for 16 cards. */
.cw-fan { --card-w: min(50px, calc((100vw - 48px) / 6.75)); flex-wrap: nowrap; gap: 0; padding-top: 16px; }
.cw-fan > .card + .card { margin-left: calc(var(--card-w) * -0.62); }
@media (min-width: 600px) { .cw-fan { --card-w: 58px; } .cw-fan > .card + .card { margin-left: calc(var(--card-w) * -0.47); } }
@media (min-width: 1180px) { .cw-fan > .card + .card { margin-left: 6px; } }
.cw-fan > .card { cursor: pointer; }
.cw-fan > .card.is-lifted .card-tilt { transform: translateY(-14px); }

.cw-cut { margin-top: var(--s3); align-items: flex-end; }
.cw-cut-field { flex: 1 1 260px; max-width: 420px; }
.cw-cut-field label { font-size: 0.85rem; }
.cw-range-row { display: flex; align-items: center; gap: 8px; }
.cw-range { flex: 1; min-width: 0; min-height: 44px; accent-color: var(--active); }
.cw-step { min-width: 44px; min-height: 44px; font-size: 1.2rem; }

.cw-mats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--s2) 10px; --card-w: clamp(54px, 15vw, 76px); max-width: 620px; }
.cw-mat { display: grid; justify-items: center; align-content: start; gap: 8px; padding-bottom: 26px; }
.cw-slot { position: relative; font-size: 1rem; }
.cw-slot.has-card { border-color: transparent; }
.cw-picker { display: grid; grid-template-columns: 1fr; width: 100%; max-width: 160px; }
.cw-picker button { min-height: 40px; padding: 0 6px; }
@media (min-width: 640px) { .cw-picker { grid-template-columns: 1fr 1fr; } }

.cw-report { display: grid; gap: 8px; margin-top: var(--s2); }
.cw-word { display: flex; flex-wrap: wrap; gap: 8px; }
.cw-wbit { display: grid; justify-items: center; min-width: 64px; padding: 6px 8px; border: 1px solid rgba(244,239,228,0.2); border-radius: 8px; }
.cw-wbit b { font-family: var(--font-math); font-size: 1.7rem; line-height: 1.1; color: var(--paper); }
.cw-wbit small { font-size: 0.8rem; color: var(--secondary-on-stage); }
.cw-wbit.is-empty b { color: var(--structure); }
.cw-actions { margin-top: var(--s3); }
.cw-actions:empty { display: none; }
#try-stage .verdict, #challenge-stage .verdict { margin-top: var(--s3); }
.cw-ledger { margin-top: var(--s3); display: grid; gap: 6px; }

/* ---------- Why it works: row, then ring ---------- */
.cw-why-layout { display: grid; gap: var(--s3); margin-top: var(--s2); align-items: start; }
@media (min-width: 900px) { .cw-why-layout[data-layout="ring"] { grid-template-columns: minmax(0, 1fr) 300px; } .cw-why-layout[data-layout="ring"] .cw-regbox { margin-top: var(--s5); } }
.cw-why-layout:not([data-layout="ring"]) .cw-regbox { display: none; }
.cw-why-layout[data-layout="ring"] .cw-row-head { display: none; }
.cw-row-head { display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline; margin-bottom: 12px; }

.cw-why-main, .cw-ch-main { min-width: 0; }
.cw-board { position: relative; container-type: inline-size; }
.cw-board .cw-cards, .cw-chrow { --card-w: calc((100cqw - 7 * 6px) / 8); display: flex; flex-wrap: wrap; gap: 30px 6px; padding-bottom: 24px; }
@container (min-width: 760px) {
  .cw-board .cw-cards, .cw-chrow { --card-w: min(60px, calc((100cqw - 15 * 6px) / 16)); }
}
.cw-ch-main { container-type: inline-size; }

.cw-board[data-layout="ring"] { width: min(100%, 560px); aspect-ratio: 1; margin: 0 auto; }
.cw-board[data-layout="ring"] .cw-cards { position: absolute; inset: 0; display: block; padding: 0; --card-w: 8.6cqw; }
.cw-board[data-layout="ring"] .cw-cards > .card { position: absolute; left: calc(var(--x) * 1% - var(--card-w) / 2); top: calc(var(--y) * 1% - var(--card-w) * 0.7); }
/* In the ring each bit sits on the inside, along the radius of its own card. */
.cw-board[data-layout="ring"] .card-tag.cw-bit { top: 50%; bottom: auto; font-size: 4.4cqw; transform: translate(-50%, -50%) translate(calc(var(--ux) * -10.2cqw), calc(var(--uy) * -10.2cqw)); }

.cw-overlay { display: none; }
.cw-board[data-layout="ring"] .cw-overlay { display: block; position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.cw-join { stroke: var(--secondary-on-stage); stroke-width: 0.45; stroke-dasharray: 1.3 1.1; }
.cw-overlay.is-crossing .cw-join { stroke: var(--active); stroke-width: 0.7; }
.cw-join-label { font: 600 2.9px var(--font-ui); fill: var(--secondary-on-stage); }
.cw-overlay.is-crossing .cw-join-label { fill: var(--active); }
.cw-toptri { fill: var(--paper); }
.cw-dir { fill: none; stroke: var(--paper); stroke-width: 0.5; stroke-linecap: round; stroke-linejoin: round; }
.cw-toplabel { font: 700 3.3px var(--font-ui); fill: var(--paper); letter-spacing: 0.25px; }

.cw-centre { display: none; }
.cw-board[data-layout="ring"] .cw-centre { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 36cqw; display: grid; justify-items: center; text-align: center; gap: 0.8cqw; pointer-events: none; }
.cw-c-label { font-size: 3.2cqw; letter-spacing: 0.1em; text-transform: uppercase; color: var(--secondary-on-stage); font-weight: 600; }
.cw-c-word { font-family: var(--font-math); font-size: 9cqw; line-height: 1; color: var(--active); letter-spacing: 0.04em; }
.cw-c-names { font-size: 4.2cqw; color: var(--paper); }

.cw-regbox { display: grid; gap: 8px; align-content: start; }
.cw-reg-count { font-size: 0.88rem; color: var(--secondary-on-stage); }
.cw-registry { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; }
.cw-ticket { border: 1px solid rgba(244,239,228,0.16); border-radius: 8px; padding: 4px 4px 3px; display: grid; justify-items: center; font-variant-numeric: tabular-nums; min-height: 48px; transition: border-color 160ms ease; }
.cw-ticket .t-word { font-family: var(--font-math); font-size: 1.05rem; letter-spacing: 0.05em; color: var(--secondary-on-stage); }
.cw-ticket .t-pos { font-size: 0.78rem; line-height: 1.2; min-height: 1.2em; color: var(--secondary-on-stage); text-align: center; }
.cw-ticket[data-state="filled"] { border-color: var(--invariant); }
.cw-ticket[data-state="filled"] .t-word { color: var(--paper); }
.cw-ticket[data-state="filled"] .t-pos { color: var(--invariant); }
.cw-ticket[data-state="counter"] { border-color: var(--counter); border-width: 2px; }
.cw-ticket[data-state="counter"] .t-word { color: var(--paper); }
.cw-ticket[data-state="counter"] .t-pos { color: var(--counter); }
.cw-ticket.is-current { outline: 2px solid var(--active); outline-offset: 2px; }
.cw-stepper { margin-top: var(--s3); }
.cw-stepcount { font-size: 0.9rem; color: var(--secondary-on-stage); }
#why-stage .stage-caption { margin-top: var(--s2); min-height: 4.5em; }
.why-after { margin-top: var(--s4); }

/* ---------- Challenge ---------- */
.cw-ch-top { margin-bottom: var(--s2); }
.cw-modes button { min-height: 44px; }
.cw-ch-layout { display: grid; gap: var(--s3); margin-top: var(--s2); }
.cw-chrow .slot.cw-empty { font-size: 0.8rem; }
.cw-chrow button.card.is-selected .card-tilt { transform: translateY(calc(var(--w) * -0.18)) rotate(-3deg); }
#challenge-stage .controls { margin-top: var(--s2); }
.cw-seed { font-size: 0.85rem; color: var(--secondary-on-stage); }
.cw-res b { font-family: var(--font-ui); }
.cw-hint { margin-top: var(--s1); }
.cw-collide { margin: 6px 0 8px; padding-left: 1.2em; font-variant-numeric: tabular-nums; }
.cw-tip { display: block; margin-top: 8px; color: var(--secondary-on-stage); }

/* ---------- The lookup sheet (on paper) ---------- */
.sheet-wrap { margin-top: var(--s2); max-width: 640px; }
.cw-sheet th, .cw-sheet td { padding: 6px 10px; vertical-align: middle; }
@media (max-width: 560px) { .cw-sheet th, .cw-sheet td { padding: 6px 6px; } .cw-sheet { font-size: 0.92rem; } }
.cw-dots { white-space: nowrap; }
.cw-dot { display: inline-block; width: 11px; height: 16px; border-radius: 2px; margin-right: 3px; vertical-align: -3px; }
.cw-dot.is-black { background: var(--black-ink); }
.cw-dot.is-red { background: var(--red-ink); }
.cw-mono { font-family: var(--font-math); letter-spacing: 0.08em; }
.cw-name { white-space: nowrap; }
.cw-name.is-red { color: var(--red-ink); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .cw-name.is-red { color: #E8707E; }
  :root:not([data-theme="light"]) .cw-dot.is-black { box-shadow: 0 0 0 1px rgba(237,231,218,0.55); }
}
:root[data-theme="dark"] .cw-name.is-red { color: #E8707E; }
:root[data-theme="dark"] .cw-dot.is-black { box-shadow: 0 0 0 1px rgba(237,231,218,0.55); }

/* Controls are shown and hidden with the hidden attribute; make that win over any display rule. */
#try-stage [hidden], #why-stage [hidden], #challenge-stage [hidden] { display: none !important; }
.cw-reg-note { font-size: 0.85rem; color: var(--secondary-on-stage); max-width: 70ch; }