.table-upload {
  width: 100%;
  padding: 0;
}

/* Upload Mode Selection - Sidebar Style */
.upload-mode-selection {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  background: transparent;
  border-radius: var(--r-sm);
  border: none;
}

.upload-mode-selection h4 {
  margin-bottom: var(--space-3);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--gray-900);
}

.upload-mode-options {
  display: flex;
  gap: var(--space-4);
}

.upload-mode-option {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--r-sm);
  background: transparent;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  font-size: var(--text-sm);
  color: var(--gray-600);
}

.upload-mode-option:hover {
  background: rgba(147, 51, 234, 0.08);
  color: var(--gray-900);
  border-color: rgba(147, 51, 234, 0.3);
}

.upload-mode-option.active {
  background: rgba(147, 51, 234, 0.12);
  color: #9333ea;
  border-color: rgba(147, 51, 234, 0.4);
  font-weight: 600;
}

.upload-mode-option input[type="radio"] {
  margin-right: var(--space-2);
}

/* Table Selection - Sidebar Style */
.table-selection {
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: transparent;
  border-radius: var(--r-sm);
  border: none;
}

.table-selection label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
}

.table-selection select {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: white;
  transition: all 0.2s ease;
}

.table-selection select:focus {
  outline: none;
  border-color: #9333ea;
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.table-selection select:hover {
  border-color: rgba(147, 51, 234, 0.3);
}

/* Month Selection - Sidebar Style */
.month-selection {
  margin-bottom: var(--space-4);
  padding: var(--space-4);
  background: transparent;
  border-radius: var(--r-sm);
  border: none;
}

.month-selection label {
  display: block;
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-700);
}

.month-selection .year-select {
  margin-bottom: var(--space-3);
}

.month-selection .year-select label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--text-xs);
  color: var(--gray-600);
}

.month-selection .year-select select {
  width: 100%;
  max-width: 200px;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: white;
  transition: all 0.2s ease;
}

.month-selection .year-select select:focus {
  outline: none;
  border-color: #9333ea;
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.month-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--space-2);
  padding: var(--space-2);
  background: var(--gray-50);
  border-radius: var(--r-sm);
  border: 1px solid var(--gray-200);
}

.month-checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--r-sm);
  background: white;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
}

.month-checkbox-label:hover {
  background: rgba(147, 51, 234, 0.08);
  border-color: rgba(147, 51, 234, 0.3);
}

.month-checkbox-label.selected {
  background: rgba(147, 51, 234, 0.12);
  border-color: rgba(147, 51, 234, 0.4);
  color: #9333ea;
  font-weight: 500;
}

.month-checkbox-label input[type="checkbox"] {
  margin-right: var(--space-2);
}

.month-selection-info {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: var(--gray-500);
  font-style: italic;
}

.month-selection-count {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  color: #9333ea;
  font-weight: 500;
}

.month-selection-warning {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--r-sm);
  font-size: var(--text-sm);
}

.month-selection-warning strong {
  color: var(--warning-600);
}

.month-selection-warning span {
  color: var(--warning-600);
}

/* Dropzone - Sidebar Style */
.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--r-sm);
  padding: var(--space-10) var(--space-8);
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  background: white;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.dropzone:hover {
  border-color: #9333ea;
  background: rgba(147, 51, 234, 0.08);
}

.dropzone.active {
  border-color: #9333ea;
  background: rgba(147, 51, 234, 0.12);
  border-style: solid;
}

.upload-content {
  max-width: 400px;
  margin: 0 auto;
}

.upload-icon {
  font-size: 48px;
  margin-bottom: var(--space-4);
  color: var(--gray-400);
}

.upload-prompt {
  color: var(--gray-600);
}

.upload-prompt i {
  font-size: 48px;
  margin-bottom: 16px;
  color: var(--gray-400);
}

.analyzing {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--gray-200);
  border-top: 4px solid #9333ea;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.error-message {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border-radius: var(--r-sm);
  border: 1px solid rgba(239, 68, 68, 0.3);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.preview {
  margin-top: var(--space-8);
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: var(--space-6);
  position: relative; /* For overlay */
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.preview h3 {
  margin: 0 0 var(--space-4) 0;
  color: var(--gray-900);
  font-size: var(--text-xl);
  font-weight: 600;
}

.metadata {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding: var(--space-3);
  background: var(--gray-50);
  border-radius: var(--r-sm);
  color: var(--gray-600);
  font-size: var(--text-sm);
}

.columns {
  margin-bottom: var(--space-6);
}

.column-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: 12px;
}

.column-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #f5f5f5;
  border-radius: 4px;
}

.column-item-config {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  transition: all 0.2s ease;
  border-bottom: 1px solid var(--border);
}

.column-item-config:hover {
  background: rgba(147, 51, 234, 0.08);
  border-bottom-color: rgba(147, 51, 234, 0.3);
}

.column-header-section {
  display: flex;
  align-items: center;
  flex: 1;
  margin-right: var(--space-3);
}

.column-name {
  font-weight: 500;
  color: var(--gray-900);
  font-size: var(--text-sm);
}

.column-type-selector {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: white;
  font-size: var(--text-sm);
  color: var(--gray-700);
  font-family: monospace;
  cursor: pointer;
  transition: all 0.2s ease;
  min-width: 140px;
}

.column-type-selector:hover {
  border-color: rgba(147, 51, 234, 0.3);
}

.column-type-selector:focus {
  outline: none;
  border-color: #9333ea;
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.1);
}

.column-type {
  color: #2196f3;
  font-size: 0.9em;
  font-family: monospace;
}

.table-wrapper {
  overflow-x: hidden;
  overflow-y: visible;
  margin-top: 12px;
  border: none;
  border-radius: 0;
  background: transparent;
  width: 100%;
  max-width: 100%;
}

table {
  width: 100%;
  max-width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  table-layout: fixed;
}

th {
  background: rgba(147, 51, 234, 0.08);
  padding: var(--space-3);
  text-align: left;
  font-weight: 600;
  color: var(--gray-900);
  border-bottom: 1px solid rgba(147, 51, 234, 0.2);
  font-size: var(--text-sm);
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 0;
}

td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--border);
  color: var(--gray-700);
  background: transparent;
  font-size: var(--text-sm);
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
  max-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

tr:hover td {
  background: rgba(147, 51, 234, 0.08);
}

tr:last-child td {
  border-bottom: none;
}

.upload-button {
  margin-top: var(--space-6);
  padding: var(--space-3) var(--space-6);
  background: #9333ea;
  color: white;
  border: none;
  border-radius: var(--r-sm);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.upload-button:hover {
  background: #7c3aed;
  transform: translateY(-1px);
}

.upload-button:active {
  transform: translateY(0);
}

.upload-button:disabled {
  background: var(--gray-300);
  cursor: not-allowed;
  transform: none;
  opacity: 0.6;
}

/* Info Boxes - Sidebar Style */
.info-box {
  margin-bottom: var(--space-4);
  padding: var(--space-3);
  background: rgba(59, 130, 246, 0.1);
  border-radius: var(--r-sm);
  border: 1px solid rgba(59, 130, 246, 0.3);
  font-size: var(--text-sm);
}

.info-box p {
  margin: 0;
  color: var(--info-700);
}

.info-box strong {
  color: var(--info-700);
}

.primary-date-info {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: rgba(147, 51, 234, 0.1);
  border-radius: var(--r-sm);
  border: 1px solid rgba(147, 51, 234, 0.3);
}

.primary-date-info strong {
  color: #9333ea;
}

/* Upload Overlay */
.upload-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  border-radius: var(--r-sm);
  backdrop-filter: blur(2px);
}

.upload-overlay .spinner {
  width: 50px;
  height: 50px;
  margin-bottom: var(--space-4);
}

.upload-overlay p {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--gray-700);
}