/* ── 日期时间选择器 ── */
.datepicker-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.datepicker-input {
  flex: 1;
  cursor: pointer;
}
.datepicker-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  border: none;
  background: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}
.datepicker-btn:hover {
  color: var(--color-primary);
}

/* ── 日历弹出层 ── */
.datepicker-popup {
  position: fixed;
  z-index: 10000;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  width: 280px;
  padding: 12px;
  display: none;
  backdrop-filter: blur(12px);
}
.datepicker-popup.open { display: block; }

.datepicker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.datepicker-nav {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background 0.12s;
}
.datepicker-nav:hover { background: var(--btn-ghost-hover-bg); }

.datepicker-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* ── 星期头 ── */
.datepicker-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-tertiary);
  margin-bottom: 4px;
}

/* ── 日期网格 ── */
.datepicker-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.datepicker-day {
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 6px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s;
}
.datepicker-day:hover { background: var(--btn-ghost-hover-bg); }
.datepicker-day.other-month { color: var(--text-tertiary); opacity: 0.4; }
.datepicker-day.today { color: var(--color-primary); font-weight: 700; }
.datepicker-day.selected {
  background: var(--color-primary);
  color: var(--color-primary-foreground);
  font-weight: 700;
}
.datepicker-day.selected:hover { background: var(--color-primary); }

/* ── 时间选择（滚轮式） ── */
.datepicker-time {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
}
.datepicker-time label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-right: 6px;
}
.dp-wheel-col {
  position: relative;
  width: 56px;
  height: 120px;
  overflow: hidden;
  cursor: pointer;
}
.dp-wheel-col::before,
.dp-wheel-col::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 44px;
  pointer-events: none;
  z-index: 2;
}
.dp-wheel-col::before {
  top: 0;
  background: linear-gradient(to bottom, var(--card-bg), transparent);
}
.dp-wheel-col::after {
  bottom: 0;
  background: linear-gradient(to top, var(--card-bg), transparent);
}
.dp-wheel-col .dp-wheel-highlight {
  position: absolute;
  top: 44px;
  left: 4px;
  right: 4px;
  height: 32px;
  background: var(--btn-primary-bg);
  border-radius: 6px;
  pointer-events: none;
  z-index: 1;
}
.dp-wheel-list {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  transition: transform 0.15s ease-out;
  will-change: transform;
}
.dp-wheel-item {
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-tertiary);
  cursor: pointer;
  user-select: none;
  transition: color 0.1s;
}
.dp-wheel-item.sel {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
}
.dp-wheel-sep {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0 2px;
}

/* ── 底部按钮 ── */
.datepicker-footer {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border-subtle);
}
.datepicker-footer button {
  padding: 4px 12px;
  font-size: 0.78rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.12s;
}
.datepicker-clear {
  background: transparent;
  color: var(--text-tertiary);
}
.datepicker-clear:hover { color: var(--text-primary); }
.datepicker-confirm {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-color);
}
.datepicker-confirm:hover { background: var(--btn-primary-hover-bg); }