:root {
  --history-row-h: 1.9rem;
  --history-roll-h: 0.62rem;
  /* 右緣讓位＝3 顆頂列 icon＋間隙＋area-top 右 padding(0.5)＋與卷軸的間距(0.4)；隨 icon 權杖連動，收合/展開同一元素故動畫必同步 */
  --history-panel-right: calc(3 * var(--top-icon-size) + 2 * var(--top-icon-gap) + 0.9rem);
  --history-ink: var(--c-card-ink);
  --history-paper-top: #efe8d3;
  --history-paper-mid: var(--c-card-face);
  --history-paper-low: #d3c7a8;
  --history-edge: var(--c-card-border);
  --history-latest-bg: rgb(163 191 74 / 0.28);
  --history-divider: rgb(74 66 52 / 0.4);
  --history-more-max: 24rem;
}

.history-banner {
  border: none;
}

.history-panel {
  position: absolute;
  top: 0.12rem;
  left: 0.5rem;
  right: var(--history-panel-right);
  z-index: 30;
  display: flex;
  flex-direction: column;
}

.hs-roll {
  position: relative;
  z-index: 1;
  height: var(--history-roll-h);
  flex: none;
}

.hs-roll-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hs-body {
  display: flex;
  flex-direction: column;
  min-height: 0;
  margin-inline: 0.55rem;
  background: linear-gradient(
    180deg,
    var(--history-paper-top),
    var(--history-paper-mid) 55%,
    var(--history-paper-low)
  );
  border-inline: var(--bw) solid var(--history-edge);
  box-shadow: inset 0 0 0.9rem rgb(58 48 30 / 0.28), 0 0.4rem 1rem rgb(0 0 0 / 0.45);
}

.hs-latest {
  position: relative;
  min-height: var(--history-row-h);
  border: none;
  background: var(--history-latest-bg);
  color: var(--history-ink);
  font-size: 0.7rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0.2rem 0.9rem 0.2rem 1.1rem;
}

.hs-latest::before {
  content: '-';
  position: absolute;
  left: 0.45rem;
}

.hs-latest-text {
  flex: 1 1 auto;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hs-more {
  margin: 0;
  padding: 0;
  list-style: none;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--history-ink);
  font-size: 0.7rem;
  font-weight: 600;
}

.history-panel--open .hs-more {
  max-height: var(--history-more-max);
  overflow-y: auto;
}

.hs-row {
  position: relative;
  min-height: var(--history-row-h);
  display: flex;
  align-items: center;
  padding: 0.2rem 0.9rem 0.2rem 1.1rem;
  line-height: 1.35;
  border-top: var(--bw) dashed var(--history-divider);
}

.hs-row::before {
  content: '-';
  position: absolute;
  left: 0.45rem;
  top: 0.22rem;
}