/* ===== Upload Zone ===== */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--blue);
  background: var(--blue-bg);
}
.upload-text { font-size: 14px; color: var(--text-secondary); margin-top: 12px; }
.upload-hint { font-size: 12px; color: var(--text-tertiary); margin-top: 4px; }
.upload-result { margin-top: 16px; }

/* ===== Upload Progress Bar ===== */
.upload-progress { margin-top: 16px; }
.upload-progress-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 12px;
}
.upload-progress-text { color: var(--text-secondary); }
.upload-progress-pct { color: var(--blue); font-weight: 600; }
.upload-progress-track {
  height: 6px;
  background: #E5E7EB;
  border-radius: 3px;
  overflow: hidden;
}
.upload-progress-fill {
  height: 100%;
  background: linear-gradient(to right, #3B82F6, #60A5FA);
  border-radius: 3px;
  transition: width 0.3s ease;
  width: 0%;
}

/* ===== Undo Toast Button ===== */
.undo-toast {
  display: flex;
  align-items: center;
  gap: 12px;
}
.undo-btn {
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: 4px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  transition: background 0.15s;
  white-space: nowrap;
}
.undo-btn:hover { background: rgba(255,255,255,0.35); }

/* ===== Data Page Mini Calendar ===== */
.data-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  text-align: center;
}
.data-cal-header {
  font-size: 10px;
  color: var(--text-tertiary);
  padding: 4px 0;
  font-weight: 600;
}
.data-cal-day {
  font-size: 11px;
  padding: 6px 2px;
  border-radius: 6px;
  min-height: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
}
.data-cal-day.outside { color: #E5E7EB; }
.data-cal-day.sunday { color: var(--red); }
.data-cal-day.has-data { background: var(--green-bg); color: var(--green-dark); font-weight: 600; }
.data-cal-day.no-data { background: #FEF2F2; color: var(--red); }
.data-cal-day.today { background: var(--blue); color: #fff; font-weight: 700; }
.data-cal-count {
  font-size: 8px;
  font-weight: 700;
  opacity: 0.7;
}
.data-cal-legend {
  display: flex;
  gap: 16px;
  justify-content: center;
  padding-top: 12px;
  font-size: 11px;
  color: var(--text-tertiary);
}
.legend-dot-nodata {
  background: #FEF2F2;
  border: 1px solid #FECACA;
}

/* ===== Calendar Clickable Days ===== */
.data-cal-day.clickable {
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}
.data-cal-day.clickable:hover {
  transform: scale(1.1);
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
}
.data-cal-day.clickable.selected {
  outline: 2px solid var(--blue);
  outline-offset: -1px;
}

/* ===== Upload Modal File List ===== */
.upload-file-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}
.upload-file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 13px;
}
.upload-file-info {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
}
.upload-file-name {
  font-weight: 500;
  color: var(--text-primary);
}
.upload-file-status {
  font-size: 12px;
  color: var(--text-tertiary);
}
.upload-file-status.success { color: var(--green); font-weight: 600; }
.upload-file-status.parsing { color: var(--blue); }
.upload-file-status.error { color: var(--red); font-weight: 600; }

/* B&W theme overrides */
body.theme-bw .data-cal-day.has-data { background: #F3F4F6; color: #374151; }
body.theme-bw .data-cal-day.no-data { background: #F3F4F6; color: #6B7280; }
body.theme-bw .data-cal-day.today { background: #374151; color: #fff; }
body.theme-bw .legend-dot-nodata { background: #F3F4F6; border-color: #D1D5DB; }
body.theme-bw .upload-progress-fill { background: linear-gradient(to right, #374151, #6B7280); }
body.theme-bw .data-cal-day.clickable.selected { outline-color: #374151; }