/* The How to play and Strategy pages: long reading with small live boards (guide.js). */

.guide { max-width: 50rem; padding-block: 20px 60px; }
.guide h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); margin-top: 2.2em; scroll-margin-top: 90px; }
.guide h3 { font-size: clamp(1.25rem, 2.4vw, 1.5rem); margin-top: 1.8em; scroll-margin-top: 90px; }
.guide p, .guide li { max-width: 44rem; }
.guide .part { margin-top: 3.2em; font: 0.95rem/1 var(--display); letter-spacing: 0.14em; text-transform: uppercase; color: var(--blue); }
.guide .part + h2 { margin-top: 0.3em; }
.guide kbd { font: 600 0.85em var(--numbers); padding: 1px 7px; border-radius: 6px; border: 1px solid var(--line); background: var(--card); box-shadow: 0 2px 0 var(--line); }
.guide table { border-collapse: collapse; margin: 16px 0 22px; font-size: 0.95rem; }
.guide th, .guide td { padding: 7px 14px 7px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.guide th { font-weight: 700; }
.guide td.num, .guide th.num { text-align: right; font-family: var(--numbers); font-variant-numeric: tabular-nums; }
.guide .wide-table { overflow-x: auto; }

/* Contents, and a pointer to the other guide. */
.contents { margin: 10px 0 30px; padding: 20px 24px; border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.contents h2 { margin: 0 0 8px; font-size: 1.3rem; }
.contents ol { margin: 0; padding-left: 1.3em; columns: 2 16rem; column-gap: 2rem; }
.contents li { margin: 0 0 4px; break-inside: avoid; }
.next-guide { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-top: 40px; }

/* Key ideas and warnings, as a chess book sets them apart. */
.idea, .warn, .note {
  margin: 22px 0; padding: 16px 20px 16px 58px; border-radius: 16px; position: relative;
  background: color-mix(in srgb, var(--grass) 12%, var(--card)); border: 1px solid color-mix(in srgb, var(--grass) 35%, transparent);
}
.idea::before, .warn::before, .note::before {
  content: ''; position: absolute; left: 14px; top: 14px; width: 32px; height: 32px;
  background: url('../img/tiles/character_5.webp') center / contain no-repeat;
}
.idea strong:first-child, .warn strong:first-child, .note strong:first-child { font-family: var(--display); font-weight: 400; font-size: 1.1em; letter-spacing: 0.02em; }
.warn { background: color-mix(in srgb, #e0533d 10%, var(--card)); border-color: color-mix(in srgb, #e0533d 35%, transparent); }
.warn::before { background-image: url('../img/dog/dog_1.webp'); }
.note { background: color-mix(in srgb, var(--blue) 9%, var(--card)); border-color: color-mix(in srgb, var(--blue) 30%, transparent); }
.note::before { background-image: url('../img/tiles/character_1.webp'); }
.idea p, .warn p, .note p { margin: 0 0 8px; }
.idea p:last-child, .warn p:last-child, .note p:last-child { margin-bottom: 0; }

/* The five kinds. */
.kinds { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 12px; margin: 18px 0 24px; padding: 0; list-style: none; }
.kinds li { text-align: center; background: var(--card); border-radius: 16px; padding: 12px 8px; box-shadow: var(--shadow); margin: 0; }
.kinds img { width: 64px; height: 64px; margin: 0 auto 6px; }
.kinds strong { display: block; font-family: var(--display); font-weight: 400; font-size: 1.15rem; }
.kinds small { color: var(--muted); }

/* A board to play. */
.try {
  margin: 26px 0 30px; padding: clamp(16px, 3vw, 24px); border-radius: var(--radius);
  background: var(--card); box-shadow: var(--shadow); border: 2px solid transparent; transition: border-color 0.3s;
}
.try.is-done { border-color: var(--grass); }
.try-title { margin: 0 0 4px; font: 0.85rem/1 var(--display); letter-spacing: 0.12em; text-transform: uppercase; color: var(--grass-deep); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .try-title { color: #9fd36f; } }
.try-task { margin: 0 0 14px; font-size: 1.02rem; }
.try-frame {
  --cap: 58px;
  width: min(100%, calc(var(--columns) * var(--cap))); margin: 0 auto;
  aspect-ratio: var(--columns) / var(--rows); border-radius: 14px; padding: 6px;
  background: linear-gradient(180deg, #cfe8f8, #a9d2ef); box-shadow: inset 0 2px 8px rgba(20, 60, 100, 0.2);
  box-sizing: content-box;
}
.try-board { width: 100%; height: 100%; display: grid; place-items: center; }
.try-say { min-height: 1.6em; margin: 12px 0 2px; font-weight: 600; text-align: center; }
.try-stats { margin: 0 0 12px; text-align: center; font-size: 0.9rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.try-stats strong { color: var(--ink); font-family: var(--numbers); }
.try-stats .anatomy { font-size: 0.85rem; opacity: 0.9; }
.try-tools { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; align-items: center; }
.try-tools .btn.small { --h: 38px; font-size: 0.95rem; padding: 0 14px; }
.try-tools .btn.ghost { box-shadow: inset 0 0 0 2px var(--line); }
.try-tools .btn[disabled] { opacity: 0.45; pointer-events: none; }
.try-tools [hidden] { display: none; }
.try-toggle { display: inline-flex; gap: 6px; align-items: center; font-weight: 600; font-size: 0.95rem; cursor: pointer; }
.try.is-playing .board { pointer-events: none; }
.tick { color: var(--grass-deep); font-weight: 800; }
.cross { color: #d0412c; font-weight: 800; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .tick { color: #9fd36f; } }
.pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 0 20px; }
.pair .try { margin-block: 14px; }

/* Rings, stars and group sizes on live tiles. */
.tile.is-marked::after, .tile.is-hint::after {
  content: ''; position: absolute; inset: 6%; border-radius: 22%; pointer-events: none;
  border: 3px solid #fff; box-shadow: 0 0 0 3px var(--blue), 0 0 12px rgba(0, 0, 0, 0.3);
  animation: ring 1.1s ease-in-out infinite alternate;
}
.tile.is-hint::after { border-color: #ffe64d; box-shadow: 0 0 0 3px #d99a00, 0 0 14px rgba(255, 200, 0, 0.6); }
@keyframes ring { from { transform: scale(0.94); opacity: 0.75; } to { transform: scale(1.04); opacity: 1; } }
.tile.is-starred::before, .still-tile.is-star::before {
  content: '★'; position: absolute; right: -4%; top: -8%; z-index: 3; pointer-events: none;
  font: 700 calc(var(--side, 40px) * 0.42) / 1 var(--sans); color: #ffe64d; text-shadow: 0 0 3px #7a4b00, 0 2px 0 #7a4b00;
}
.tile[data-badge]::before {
  content: attr(data-badge); position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 3;
  min-width: 1.6em; padding: 2px 5px; border-radius: 999px; pointer-events: none;
  font: 700 calc(var(--side, 40px) * 0.34) / 1.1 var(--numbers); color: #fff; background: rgba(20, 40, 70, 0.78);
}
.tile.is-single { filter: grayscale(0.85) brightness(0.9); }

/* Predict: squares over the board to pick from. */
.predict-grid {
  position: absolute; inset: 0; z-index: 5; display: grid;
  grid-template-columns: repeat(var(--columns), 1fr); grid-template-rows: repeat(var(--rows), 1fr);
}
.predict-square { border: 0; padding: 0; background: transparent; cursor: crosshair; border-radius: 10px; }
.predict-square:hover, .predict-square:focus-visible { outline: 3px dashed #fff; outline-offset: -4px; background: rgba(255, 255, 255, 0.2); }
.predict-grid.is-locked .predict-square { cursor: default; }
.predict-square.is-guess { outline: 4px solid #ffe64d; outline-offset: -5px; background: rgba(255, 230, 77, 0.25); }

/* Still boards: diagrams, and the Spot questions. */
.diagram { margin: 22px 0 26px; }
.still-board {
  --cap: 50px;
  display: grid; grid-template-columns: repeat(var(--columns), 1fr); gap: 0;
  width: min(100%, calc(var(--columns) * var(--cap))); margin: 0 auto; padding: 6px; border-radius: 14px;
  background: linear-gradient(180deg, #cfe8f8, #a9d2ef); box-shadow: inset 0 2px 8px rgba(20, 60, 100, 0.2);
}
.still-tile, .still-empty { position: relative; aspect-ratio: 1; border: 0; padding: 0; background: transparent center / 100% 100% no-repeat; }
button.still-tile { cursor: pointer; }
.still-tile.is-dim { filter: brightness(0.75) saturate(0.6); opacity: 0.55; }
.still-tile.is-ring::after, .still-tile.is-picked::after, .still-tile.is-right::after, .still-tile.is-wrong::after, .still-tile.is-missed::after {
  content: ''; position: absolute; inset: 5%; border-radius: 22%; pointer-events: none;
  border: 3px solid #fff; box-shadow: 0 0 0 3px var(--blue);
}
.still-tile.is-picked::after { box-shadow: 0 0 0 3px #7a4bd6; }
.still-tile.is-right::after { box-shadow: 0 0 0 3px var(--grass-deep); }
.still-tile.is-wrong::after { box-shadow: 0 0 0 3px #d0412c; border-style: dashed; }
.still-tile.is-missed::after { border-color: #ffe64d; box-shadow: 0 0 0 3px #d99a00; animation: ring 1.1s ease-in-out infinite alternate; }
.still-tile.is-cross::after, .still-empty.is-cross::after {
  content: '✕'; position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none;
  font: 700 clamp(18px, 4vw, 30px) / 1 var(--sans); color: #d0412c; text-shadow: 0 0 4px #fff, 0 0 2px #fff;
}
.still-tile[data-label]::before, .still-empty[data-label]::before {
  content: attr(data-label); position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); z-index: 2;
  min-width: 1.5em; padding: 2px 6px; border-radius: 999px; text-align: center; white-space: nowrap;
  font: 700 clamp(11px, 2.2vw, 15px) / 1.15 var(--numbers); color: #fff; background: rgba(20, 40, 70, 0.8);
}
.still-tile.is-star::before { --side: 44px; }
.diagram-caption { text-align: center; color: var(--muted); font-size: 0.92rem; margin: 10px auto 0; max-width: 36rem; }
.diagrams { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 0 18px; }
.spot .still-board { margin-bottom: 4px; }

/* The points slider. */
.points { margin: 22px 0 28px; padding: 20px 22px; border-radius: var(--radius); background: var(--card); box-shadow: var(--shadow); }
.points-label { display: flex; gap: 14px; align-items: center; font-weight: 700; }
.points-label input { flex: 1; accent-color: var(--blue); }
.points-out { margin: 12px 0; }
.points-bars { display: grid; gap: 8px; }
.points-bar { position: relative; height: 34px; border-radius: 10px; background: var(--line); overflow: hidden; }
.points-bar::before { content: ''; position: absolute; inset: 0 auto 0 0; width: calc(var(--share) * 100%); background: var(--blue); border-radius: 10px; transition: width 0.25s; }
.points-bar.pairs::before { background: var(--wood-light); }
.points-bar::after { content: attr(data-value); position: absolute; left: 12px; top: 50%; transform: translateY(-50%); font-weight: 700; color: #fff; text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6); }

/* The bonus ladder and other small charts. */
.ladder { display: flex; align-items: flex-end; gap: 10px; height: 200px; margin: 20px 0 8px; padding: 0; list-style: none; }
.ladder li { flex: 1; margin: 0; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.ladder span { display: block; width: 100%; height: var(--h); border-radius: 10px 10px 4px 4px; background: linear-gradient(180deg, #ffd91a, #e8a200); box-shadow: 0 3px 0 #a86f00; }
.ladder b { font-family: var(--numbers); margin-top: 6px; }
.ladder small { color: var(--muted); font-size: 0.8rem; }
.compare { display: grid; gap: 8px; margin: 18px 0 24px; }
.compare div { display: grid; grid-template-columns: minmax(9rem, 16rem) 1fr; gap: 12px; align-items: center; font-size: 0.93rem; }
.compare div > span:last-child { display: flex; align-items: center; gap: 8px; min-width: 0; }
.compare i { flex: none; display: block; height: 22px; width: calc(var(--share) * (100% - 9rem)); min-width: 4px; border-radius: 6px; background: var(--blue); }
.compare b { white-space: nowrap; }
@media (max-width: 560px) { .compare div { grid-template-columns: 1fr; gap: 2px; } }
.compare i.good { background: var(--grass); }
.compare i.bad { background: #d0412c; }
.compare b { font-family: var(--numbers); }

.dogs { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; list-style: none; padding: 0; margin: 16px 0 24px; }
.dogs li { text-align: center; margin: 0; }
.dogs img { width: 80px; height: 80px; margin: 0 auto 4px; object-fit: contain; }
.counters-demo { display: flex; flex-wrap: wrap; gap: 14px; list-style: none; padding: 0; margin: 14px 0 20px; }
.counters-demo li { display: flex; align-items: center; gap: 8px; margin: 0; font-weight: 700; font-family: var(--numbers); }
.counters-demo img { width: 36px; height: 36px; }
.counters-demo .c1 { color: #1aa7c8; } .counters-demo .c2 { color: #d4a300; } .counters-demo .c3 { color: #d0412c; }

.glossary dt { font-family: var(--display); font-size: 1.15rem; margin-top: 14px; }
.glossary dd { margin: 2px 0 0; color: var(--muted); max-width: 42rem; }
.stars { color: #e8a200; letter-spacing: 2px; }

/* The annotated game's notes. */
.walk-note { min-height: 5.5em; margin: 6px auto 14px; max-width: 38rem; padding: 14px 18px; border-radius: 14px; background: color-mix(in srgb, var(--sky) 35%, var(--card)); }
.walk-note p { margin: 0 0 6px; }
.walk-note p:last-child { margin-bottom: 0; }