/* ============================================
 * 观鼎山首页 · 宫间星系统样式 star.css
 * 板块：宫间星系统
 * 16个星位点位于4×4网格线交点上
 * ============================================ */

/* ---------- 星位层容器 ---------- */
.gds-star-layer {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  overflow: visible;
}

/* ---------- 单颗星 ---------- */
.gds-star {
  position: absolute;
  pointer-events: auto;
  cursor: pointer;
  transform: translate(-50%, -50%);
  left: calc(var(--pad) + var(--star-col) * ((100% - 2*var(--pad) - 2*var(--gap)) / 3 + var(--gap)));
  top: calc(var(--pad) + var(--star-row) * ((100% - 2*var(--pad) - 2*var(--gap)) / 3 + var(--gap)));
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.gds-star:hover {
  transform: translate(-50%, -50%) scale(1.3);
  z-index: 20;
}

/* hover时星体旋转90度+呼吸放大（正转或逆转由 --star-rotate, 1=正转 -1=逆转） */
.gds-star:hover .gds-star-body {
  animation: gds-star-breathe 0.8s ease-in-out;
  filter: drop-shadow(0 0 calc(var(--star-size) * 0.8) var(--star-color))
          drop-shadow(0 0 calc(var(--star-size) * 1.5) color-mix(in srgb, var(--star-color) 50%, transparent));
}

@keyframes gds-star-breathe {
  0%   { transform: rotate(0deg) scale(1); }
  40%  { transform: rotate(calc(var(--star-rotate, 1) * 90deg)) scale(1.4); }
  70%  { transform: rotate(calc(var(--star-rotate, 1) * 90deg)) scale(1.4); }
  100% { transform: rotate(0deg) scale(1); }
}

/* ---------- 星体本体（五角星造型 + 外发光） ---------- */
.gds-star-body {
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--star-size));
  height: calc(var(--star-size));
  clip-path: polygon(
    50% 0%,
    61% 35%,
    98% 35%,
    68% 57%,
    79% 91%,
    50% 70%,
    21% 91%,
    32% 57%,
    2% 35%,
    39% 35%
  );
  transition: filter 0.3s ease;
  filter: drop-shadow(0 0 calc(var(--star-size) * 0.4) var(--star-color))
          drop-shadow(0 0 calc(var(--star-size) * 0.8) color-mix(in srgb, var(--star-color) 40%, transparent));
}

/* ---------- 十字星（文稿广场专用 · 四芒星 sparkle） ---------- */
.gds-star--cross .gds-star-body {
  clip-path: polygon(
    50% 0%,   58% 30%,  80% 20%,  68% 42%,
    100% 50%, 68% 58%,  80% 80%,  58% 70%,
    50% 100%, 42% 70%,  20% 80%,  32% 58%,
    0% 50%,   32% 42%,  20% 20%,  42% 30%
  );
}

/* ---------- 星级→尺寸映射 ---------- */
.gds-star[data-level="1"] { --star-size: 8px; }
.gds-star[data-level="2"] { --star-size: 12px; }
.gds-star[data-level="3"] { --star-size: 16px; }
.gds-star[data-level="4"] { --star-size: 20px; }
.gds-star[data-level="5"] { --star-size: 28px; }

/* ---------- 亮度→透明度 ---------- */
.gds-star[data-brightness="100"] { opacity: 1; }
.gds-star[data-brightness="80"]  { opacity: 0.8; }
.gds-star[data-brightness="60"]  { opacity: 0.6; }
.gds-star[data-brightness="40"]  { opacity: 0.4; }
.gds-star[data-brightness="20"]  { opacity: 0.2; }
.gds-star[data-brightness="0"]   { opacity: 0; pointer-events: none; }

/* ---------- 星体光晕（适配五角星clip-path） ---------- */
.gds-star-glow {
  width: 100%;
  height: 100%;
  background: var(--star-color);
  animation: gds-star-pulse 3s ease-in-out infinite;
}

/* 5星特殊脉冲动画 */
.gds-star[data-level="5"] .gds-star-glow {
  animation: gds-star-pulse-5 2s ease-in-out infinite;
}

@keyframes gds-star-pulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}

@keyframes gds-star-pulse-5 {
  0%, 100% { opacity: 0.8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* ---------- 专栏标签格式（圆角长方形，左名+右竖排"专栏"） ---------- */
.gds-star-label--col {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  padding: 0;
  border-radius: 8px;
  overflow: visible;
  min-width: 90px;
  background: transparent;
  backdrop-filter: none;
  box-shadow: none;
  position: relative;
  border: 1.5px solid #D4A843;
  animation: borderGlow 2s ease-in-out infinite alternate;
}

@keyframes borderGlow {
  from {
    border-color: #D4A843;
    box-shadow: 0 0 4px rgba(212, 168, 67, 0.3), inset 0 0 4px rgba(212, 168, 67, 0.1);
  }
  to {
    border-color: #FFD700;
    box-shadow: 0 0 12px rgba(212, 168, 67, 0.6), inset 0 0 8px rgba(212, 168, 67, 0.2);
  }
}

.gds-star-label--col .gds-star-label-left {
  flex: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px 6px 2px 8px;
  font-family: 'KaiTi', 'STKaiti', '楷体', serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: #003153;
  background: rgba(144, 238, 144, 0.75);
  letter-spacing: 0.06em;
  text-align: center;
  white-space: nowrap;
  border-radius: 7px 0 0 7px;
}

.gds-star-label--col .gds-star-label-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1px 5px 1px 4px;
  font-family: 'SimHei', '黑体', 'Microsoft YaHei', sans-serif;
  font-size: 0.4rem;
  font-weight: 900;
  line-height: 1;
  color: #FFD700;
  background: linear-gradient(to bottom, #1a2a6c, #2a4a8c);
  text-shadow: 0 0 6px rgba(232, 212, 77, 0.5), 0 0 2px rgba(232, 212, 77, 0.3);
  letter-spacing: 0.02em;
  border-radius: 0 7px 7px 0;
  text-align: center;
}

/* ---------- 星标标签（未启用专栏格式的默认样式） ---------- */
.gds-star-label {
  position: absolute;
  left: 50%;
  bottom: calc(100% + 6px);
  transform: translateX(-50%);
  display: flex;
  align-items: flex-end;
  gap: 4px;
  white-space: nowrap;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: #fff;
  background: linear-gradient(
    to bottom,
    color-mix(in srgb, var(--label-color, #c9a961) 55%, #000 45%),
    color-mix(in srgb, var(--label-color, #c9a961) 12%, #B0D4F1 88%)
  );
  border: 1px solid var(--label-color, var(--star-color));
  border-radius: 6px;
  padding: 2px 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  backdrop-filter: blur(4px);
  box-shadow: 0 0 8px color-mix(in srgb, var(--label-color, #c9a961) 20%, transparent);
}

.gds-star:hover .gds-star-label {
  opacity: 1;
}

/* ---------- 专栏标签（楷书，白色，与主名底线对齐） ---------- */
.gds-star-label-tag {
  font-family: 'KaiTi', 'STKaiti', '楷体', serif;
  font-size: 0.55rem;
  font-weight: 400;
  line-height: 1.3;
  color: #fff;
  opacity: 0.8;
  pointer-events: none;
  flex-shrink: 0;
}

[data-theme="light"] .gds-star-label--col {
  border-color: #8B6914;
  animation-name: borderGlowLight;
}

@keyframes borderGlowLight {
  from {
    border-color: #8B6914;
    box-shadow: 0 0 4px rgba(139, 105, 20, 0.3), inset 0 0 4px rgba(139, 105, 20, 0.1);
  }
  to {
    border-color: #D4A843;
    box-shadow: 0 0 12px rgba(139, 105, 20, 0.5), inset 0 0 8px rgba(139, 105, 20, 0.2);
  }
}

[data-theme="light"] .gds-star-label--col .gds-star-label-left {
  background: rgba(144, 238, 144, 0.85);
  color: #003153;
}

[data-theme="light"] .gds-star-label--col .gds-star-label-right {
  background: linear-gradient(to bottom, #1a3a8c, #2a4a9c);
  color: #FFD700;
}

/* ---------- 手机端：点击弹出小卡片 ---------- */
.gds-star-card {
  position: fixed;
  z-index: 100;
  background: rgba(13, 13, 26, 0.95);
  border: 1px solid var(--star-color);
  border-radius: 12px;
  padding: 12px 16px;
  min-width: 140px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.gds-star-card.active {
  opacity: 1;
  pointer-events: auto;
}

.gds-star-card-name {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--star-color);
  margin-bottom: 4px;
}

.gds-star-card-desc {
  font-size: 0.75rem;
  opacity: 0.7;
  margin-bottom: 8px;
}

.gds-star-card-btn {
  display: inline-block;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 4px;
  background: var(--star-color);
  color: #fff;
  text-decoration: none;
  font-weight: 500;
}

/* ---------- 响应式 ---------- */
@media (max-width: 480px) {
  .gds-star[data-level="1"] { --star-size: 6px; }
  .gds-star[data-level="2"] { --star-size: 9px; }
  .gds-star[data-level="3"] { --star-size: 12px; }
  .gds-star[data-level="4"] { --star-size: 15px; }
  .gds-star[data-level="5"] { --star-size: 20px; }

  .gds-star-label {
    display: none;
  }
}