/* ==========================================================================
   cards.css — 3D 锚定讲解卡片
   浅灰影棚风：白玻璃 + 1px 发丝线 + 柔阴影 + accent #0fa392。
   颜色取自 styles.css 的 :root 变量（带兜底值，可单独加载）。
   结构由 cards.js 生成：.cc-card > .cc-head/.cc-lead/.cc-rows/.cc-stat/.cc-chart
                                    + .cc-stem（指引线）
   ========================================================================== */

/* 推荐容器（也可由调用方自行提供）：铺满视口、不挡 3D 交互 */
.cc-layer {
  position: fixed;
  inset: 0;
  z-index: 8;
  pointer-events: none;
}

/* ---------- 卡片本体 ---------- */

.cc-card {
  position: absolute;
  left: 0;
  top: 0;
  box-sizing: border-box;
  width: clamp(286px, 23vw, 344px);
  max-width: calc(100vw - 48px);
  padding: 15px 16px 14px;
  border: 1px solid rgba(16, 24, 40, 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(18px) saturate(1.04);
  backdrop-filter: blur(18px) saturate(1.04);
  box-shadow:
    0 18px 40px -24px rgba(16, 24, 40, 0.45),
    0 2px 8px -3px rgba(16, 24, 40, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  color: var(--text, #161b22);
  font-family: var(--sans, "Noto Sans SC", "Segoe UI", system-ui, "PingFang SC", "Microsoft YaHei", sans-serif);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.005em;
  text-align: left;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(7px) scale(0.986);
  transition: opacity 200ms ease-out, transform 200ms ease-out;
  will-change: transform, opacity;
}

.cc-card.is-in {
  opacity: 1;
  transform: none;
}

.cc-card.is-out {
  opacity: 0;
  transform: translateY(5px) scale(0.99);
  transition-duration: 160ms;
  pointer-events: none;
}

/* 子块用 flex/grid 时 UA 的 [hidden]{display:none} 会被覆盖，这里显式兜底 */
.cc-card [hidden] {
  display: none !important;
}

/* ---------- 头部 ---------- */

.cc-head {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.cc-title {
  margin: 0;
  min-width: 0;
  font-size: 17px;
  font-weight: 650;
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: var(--text, #161b22);
  overflow-wrap: anywhere;
}

.cc-tag {
  flex: none;
  display: inline-flex;
  align-items: center;
  height: 19px;
  max-width: 46%;
  padding: 0 7px;
  border: 1px solid rgba(16, 24, 40, 0.09);
  border-radius: 999px;
  background: rgba(16, 24, 40, 0.045);
  color: var(--text-2, #5b6575);
  font-family: var(--mono, "JetBrains Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace);
  font-size: 10.5px;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transform: translateY(1px);
}

/* ---------- 正文 ---------- */

.cc-lead {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-2, #5b6575);
  overflow-wrap: anywhere;
}

.cc-rows {
  margin: 8px 0 0;
  padding: 0;
  border-top: 1px solid rgba(16, 24, 40, 0.06);
}

.cc-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px solid rgba(16, 24, 40, 0.055);
}

.cc-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.cc-row dt {
  flex: none;
  margin: 0;
  font-size: 12px;
  color: var(--text-3, #8b94a3);
  white-space: nowrap;
}

.cc-row dd {
  margin: 0;
  min-width: 0;
  font-family: var(--mono, "JetBrains Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text, #161b22);
  text-align: right;
  overflow-wrap: anywhere;
}

/* ---------- 指标 ---------- */

.cc-stat {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: 8px;
  padding-top: 7px;
  border-top: 1px solid rgba(16, 24, 40, 0.06);
}

.cc-stat strong {
  font-family: var(--mono, "JetBrains Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace);
  font-size: 20px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--accent-ink, #0a7a6e);
}

.cc-stat-unit {
  font-family: var(--mono, "JetBrains Mono", "Cascadia Mono", "SFMono-Regular", Consolas, monospace);
  font-size: 11px;
  color: var(--accent-ink, #0a7a6e);
  opacity: 0.72;
}

.cc-stat-label {
  margin-left: auto;
  font-style: normal;
  font-size: 10.5px;
  line-height: 1.35;
  color: var(--text-3, #8b94a3);
  text-align: right;
}

/* ---------- 小图 ---------- */

.cc-chart {
  margin-top: 8px;
  padding-top: 6px;
  border-top: 1px solid rgba(16, 24, 40, 0.06);
}

.cc-chart canvas {
  display: block;
  width: 100%;
  height: 62px;
}

/* ---------- 语气 ---------- */

.cc-card[data-tone="accent"] {
  border-color: rgba(15, 163, 146, 0.26);
  box-shadow:
    0 18px 40px -24px rgba(16, 24, 40, 0.45),
    0 2px 8px -3px rgba(16, 24, 40, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8),
    inset 0 0 0 1px rgba(15, 163, 146, 0.05);
}

.cc-card[data-tone="accent"] .cc-tag {
  color: var(--accent-ink, #0a7a6e);
  border-color: rgba(15, 163, 146, 0.26);
  background: rgba(15, 163, 146, 0.08);
}

.cc-card[data-tone="warn"] {
  border-color: rgba(183, 121, 31, 0.28);
}

.cc-card[data-tone="warn"] .cc-tag {
  color: var(--warn, #b7791f);
  border-color: rgba(183, 121, 31, 0.26);
  background: rgba(183, 121, 31, 0.08);
}

/* ---------- 指引线：1px 线 + 5px 圆点 ---------- */

.cc-stem {
  position: absolute;
  background: rgba(16, 24, 40, 0.25);
  pointer-events: none;
  opacity: 0;
  transition: opacity 160ms ease-out;
}

.cc-card[data-stem="on"] .cc-stem {
  opacity: 1;
}

.cc-stem::after {
  content: "";
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(16, 24, 40, 0.25);
}

/* 竖线：卡片在锚点上方 / 下方 */
.cc-card[data-side="top"] .cc-stem,
.cc-card[data-side="bottom"] .cc-stem {
  width: 1px;
  height: var(--stem, 16px);
  left: var(--stem-x, 50%);
}

.cc-card[data-side="top"] .cc-stem {
  top: 100%;
}
.cc-card[data-side="top"] .cc-stem::after {
  left: -2px;
  bottom: -2px;
}

.cc-card[data-side="bottom"] .cc-stem {
  bottom: 100%;
}
.cc-card[data-side="bottom"] .cc-stem::after {
  left: -2px;
  top: -2px;
}

/* 横线：卡片在锚点左侧 / 右侧 */
.cc-card[data-side="left"] .cc-stem,
.cc-card[data-side="right"] .cc-stem {
  height: 1px;
  width: var(--stem, 16px);
  top: var(--stem-y, 50%);
}

.cc-card[data-side="left"] .cc-stem {
  left: 100%;
}
.cc-card[data-side="left"] .cc-stem::after {
  top: -2px;
  right: -2px;
}

.cc-card[data-side="right"] .cc-stem {
  right: 100%;
}
.cc-card[data-side="right"] .cc-stem::after {
  top: -2px;
  left: -2px;
}

/* ---------- 窄屏 / 降级 ---------- */

@media (max-width: 560px) {
  .cc-card {
    padding: 11px 12px 10px;
    box-shadow:
      0 14px 32px -20px rgba(16, 24, 40, 0.42),
      0 2px 6px -3px rgba(16, 24, 40, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.72);
  }
  .cc-stat strong {
    font-size: 19px;
  }
}

@media (max-width: 900px) {
  .cc-card { width: min(320px, calc(100vw - 28px)); max-width: calc(100vw - 28px); padding: 13px 14px 12px; }
  .cc-card .cc-tag { display: none; }
  .cc-title { font-size: 16px; }
  .cc-lead { font-size: 12.5px; }
}

@media (prefers-reduced-motion: reduce) {
  .cc-card,
  .cc-stem {
    transition-duration: 1ms;
  }
}