/**
 * 首頁頁尾「野放足跡」：博物圖譜風格的圖版，放在深色頁尾上像一張攤開的版畫
 * （只在首頁載入；繪製見 assets/js/starmap.js，紙色與墨色兩邊要一致）
 *
 * @package Yafun2027
 */

.yf-starmap {
  --plate-paper: #f1e9d6;
  --plate-ink: #3a2e22;
  --plate-sepia: #7a5c3a;
  --plate-leaf: var(--color-leaf); /* 強調色用網站主色森林綠 */

  padding: var(--space-6) 2rem;
  border-bottom: 1px solid var(--line-dark);
}

/* 紙張：邊緣泛黃（foxing）＋雙線框 */
.yf-starmap-plate {
  position: relative;
  max-width: 1320px;
  margin: 0 auto;
  padding: var(--space-4) var(--space-5) var(--space-3);
  background:
    radial-gradient(ellipse 120% 90% at 50% 45%, transparent 55%, rgba(150, 110, 60, 0.18) 100%),
    radial-gradient(circle at 12% 18%, rgba(160, 120, 70, 0.08), transparent 18%),
    radial-gradient(circle at 88% 82%, rgba(160, 120, 70, 0.1), transparent 20%),
    var(--plate-paper);
  color: var(--plate-ink);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.45);
}

.yf-starmap-plate::before {
  content: "";
  position: absolute;
  inset: 14px;
  border: 1px solid rgba(58, 46, 34, 0.55);
  outline: 3px double rgba(58, 46, 34, 0.35);
  outline-offset: 5px;
  pointer-events: none;
}

.yf-starmap-title {
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.5em;
  margin: 0;
  font-family: var(--font-kai);
  font-size: 2.6rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  color: var(--plate-ink);
}

/* 標題前的小腳印（與網站 Logo 的足跡呼應） */
.yf-starmap-title::before {
  content: "";
  width: 1.1em;
  height: 1.1em;
  background: var(--plate-leaf);
  -webkit-mask: url(../../icons/footprint.svg) center / contain no-repeat;
  mask: url(../../icons/footprint.svg) center / contain no-repeat;
}

/* 標題下的短線，像圖版右上角的題記 */
.yf-starmap-title::after {
  content: "";
  position: absolute;
  right: 0.18em;
  bottom: -0.45em;
  width: 3.2em;
  border-top: 1px solid var(--plate-sepia);
  opacity: 0.6;
}

/* 全螢幕按鈕（左上，與右上標題對稱） */
.yf-starmap-full {
  position: absolute;
  top: var(--space-4);
  left: var(--space-5);
  z-index: 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(58, 46, 34, 0.35);
  border-radius: 50%;
  background: var(--plate-paper);
  color: var(--plate-ink);
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}

.yf-starmap-full[hidden] {
  display: none;
}

.yf-starmap-full:hover,
.yf-starmap-full:focus-visible {
  border-color: var(--plate-leaf);
  color: var(--plate-leaf);
}

.yf-starmap-full svg {
  fill: none;
  stroke: currentcolor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.yf-starmap-full .yf-full-close,
.yf-starmap-full[aria-pressed="true"] .yf-full-open {
  display: none;
}

.yf-starmap-full[aria-pressed="true"] .yf-full-close {
  display: inline;
}

/* 全螢幕：圖版鋪滿畫面，圖面占掉標題與圖例以外的高度 */
.yf-starmap-plate.is-full {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  flex-direction: column;
  max-width: none;
  margin: 0;
  box-shadow: none;
}

.yf-starmap-plate.is-full .yf-starmap-sky {
  flex: 1;
  height: auto;
  min-height: 0;
  margin-top: var(--space-5);
}

html.yf-starmap-lock {
  overflow: hidden;
}

/* 頁尾本身有 z-index（形成堆疊層級），圖版的 z-index 跳不出去；鋪滿時把頁尾整層拉到管理列與閱讀工具之上 */
html.yf-starmap-lock .site-footer {
  z-index: 100000;
}

.yf-starmap-sky {
  position: relative;
  background-size: 100% 100%; /* 紙斑底圖由 JS 產生，尺寸變動時先拉伸，重畫後替換 */
  height: 600px;
  margin: 0;
}

.yf-starmap-sky canvas {
  display: block;
  width: 100%;
  height: 100%;
  touch-action: manipulation;
}

/* 指到時的資訊：做成標本籤 */
.yf-starmap-tip {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translate(-50%, 6px);
  padding: 0.45em 1.2em;
  border: 1px solid var(--plate-leaf);
  outline: 1px solid rgba(74, 124, 89, 0.35);
  outline-offset: 2px;
  background: #f8f3e6;
  color: var(--plate-ink);
  font-family: var(--font-kai);
  font-size: 1.5rem;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}

.yf-starmap-tip.is-on {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* 圖例：小字靠左，不搶畫面 */
.yf-starmap-legend {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 2.4rem;
  margin: 0;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(58, 46, 34, 0.2);
  font-size: 1.3rem;
  color: var(--plate-sepia);
}

.yf-starmap-legend div {
  display: flex;
  align-items: center;
  gap: 0.6em;
}

.yf-starmap-legend dt {
  display: flex;
  flex-shrink: 0;
  white-space: nowrap;
  align-items: center;
  gap: 0.5em;
  font-weight: 600;
  color: var(--plate-ink);
}

.yf-starmap-legend dd {
  margin: 0;
  font-family: var(--font-kai);
}

.yf-legend-fig {
  width: 20px;
  height: 20px;
  background: currentcolor;
  -webkit-mask: url(../../icons/butterfly.svg) center / contain no-repeat;
  mask: url(../../icons/butterfly.svg) center / contain no-repeat;
}

.yf-legend-dot {
  width: 12px;
  height: 12px;
  border: 1px solid currentcolor;
  border-radius: 50%;
  background: radial-gradient(circle, currentcolor 28%, transparent 32%);
}

.yf-legend-line {
  width: 28px;
  border-top: 1px solid currentcolor;
}

/* 連結清單：JS 未啟用時直接顯示；啟用後只給鍵盤與螢幕閱讀器 */
.yf-starmap-list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.yf-starmap-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1.4rem;
  border: 1px solid rgba(58, 46, 34, 0.3);
  color: var(--plate-ink);
  font-size: 1.4rem;
}

.yf-starmap-list .is-cat a {
  font-weight: 600;
}

.yf-starmap.is-ready .yf-starmap-list {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@media (max-width: 767px) {
  .yf-starmap {
    padding: var(--space-4) 1rem;
  }

  .yf-starmap-plate {
    padding: var(--space-4) 1.6rem var(--space-3);
  }

  .yf-starmap-plate::before {
    inset: 8px;
  }

  .yf-starmap-full {
    top: var(--space-2);
    left: var(--space-2);
  }

  .yf-starmap-title {
    top: var(--space-3);
    right: var(--space-3);
    font-size: 2.2rem;
  }

  .yf-starmap-sky {
    height: 560px;
    margin-top: var(--space-5);
  }

  .yf-starmap-legend {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .yf-starmap-full,
  .yf-starmap-tip {
    transition: none;
  }
}