/* =========================================================
   components.css — 复用件:按钮 / 状态签 / 展签 / 占位块
   ========================================================= */

/* ---- 按钮:直角 2px,hover 反白 ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  background: transparent;
  color: var(--color-ink);
  transition:
    background var(--duration-fast) var(--ease-soft),
    color var(--duration-fast) var(--ease-soft);
}
.btn:hover { background: var(--color-ink); color: var(--color-bg); }
.btn--sm { padding: 8px 16px; }
.btn[disabled], .btn.is-todo {
  border-color: var(--color-line);
  color: var(--color-muted);
  pointer-events: none;
}

/* ---- 状态签 ---- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--color-ink-2);
  white-space: nowrap;
}
.chip__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  flex: none;
}
.chip--muted { color: var(--color-muted); border-color: var(--color-line-faint); }

/* ---- 展签:全站视觉母题 ---- */
.mlabel {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--color-ink-2);
  border-left: 1px solid var(--color-line);
  padding-left: 12px;
  line-height: 1.8;
}
.mlabel span + span::before {
  content: "/";
  margin: 0 8px;
  color: rgba(21, 21, 21, .3);
}

/* ---- 占位块:「未布展」状态本身是设计的一部分 ---- */
.ph-box {
  position: relative;
  width: 100%;
  background: var(--color-bg-raise);
  border: 1px solid var(--color-line-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.ph-box__tick {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 0 solid var(--color-line);
  pointer-events: none;
}
.ph-box__tick--tl { top: 10px; left: 10px; border-top-width: 1px; border-left-width: 1px; }
.ph-box__tick--tr { top: 10px; right: 10px; border-top-width: 1px; border-right-width: 1px; }
.ph-box__tick--bl { bottom: 10px; left: 10px; border-bottom-width: 1px; border-left-width: 1px; }
.ph-box__tick--br { bottom: 10px; right: 10px; border-bottom-width: 1px; border-right-width: 1px; }
.ph-box__idx {
  position: absolute;
  top: 12px;
  right: 30px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--color-muted);
}
.ph-box__cap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
  padding: 16px;
}
.ph-box__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--color-ink-2);
}
.ph-box__zh { font-size: 12px; color: var(--color-muted); }
.ph-box--real img { width: 100%; height: 100%; object-fit: cover; }
.ph-box--real .ph-box__cap { display: none; }

/* ---- 下划线链接(hover 从左划入) ---- */
.link-u { position: relative; padding-bottom: 2px; }
.link-u::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--color-ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out);
}
.link-u:hover::after,
.link-u.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}