/**
 * Modal Styles
 * Side panel modal for forms and actions
 */

/* Modal Overlay */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(2px);
  z-index: 9998;
  display: none;
  animation: fadeIn 0.3s ease;
}

.modal-overlay.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Side Modal */
.side-modal {
  position: fixed;
  top: 0;
  right: -750px;
  width: 750px;
  height: 100vh;
  background: #ffffff;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.2);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.side-modal.active {
  right: 0;
}

/* Modal Header */
.modal-header {
  padding: 28px 40px;
  border-bottom: 1px solid #e8e8e8;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  background: linear-gradient(to bottom, #fafafa 0%, #ffffff 100%);
}

.modal-title {
  font-size: 24px;
  font-weight: 600;
  margin: 0;
  color: #1a1a1a;
  letter-spacing: -0.5px;
}

.modal-subtitle {
  font-size: 14px;
  color: #666;
  margin-top: 6px;
  font-weight: 400;
}

.modal-close {
  background: #f5f5f5;
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 6px;
  font-size: 20px;
  cursor: pointer;
  color: #666;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}

.modal-close:hover {
  background: #e8e8e8;
  color: #1a1a1a;
  transform: rotate(90deg);
}

/* Modal Body */
.modal-body {
  flex: 1;
  overflow-y: auto;
  padding: 0;
  background: #fafafa;
}

/* Modal Footer */
.modal-footer {
  padding: 24px 40px;
  border-top: 1px solid #e8e8e8;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: #ffffff;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.03);
}

.modal-footer-info {
  font-size: 13px;
  color: #666;
  display: flex;
  align-items: center;
  gap: 6px;
}

.modal-footer-actions {
  display: flex;
  gap: 12px;
}

/* Tab Navigation */
.modal-tabs {
  display: flex;
  gap: 0;
  background: #ffffff;
  padding: 0 40px;
  border-bottom: 1px solid #e8e8e8;
  position: sticky;
  top: 0;
  z-index: 10;
}

.modal-tab {
  padding: 16px 24px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  color: #666;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
  position: relative;
}

.modal-tab:hover {
  color: #1a1a1a;
  background: #fafafa;
}

.modal-tab.active {
  color: #1a1a1a;
  border-bottom-color: #1a1a1a;
  background: transparent;
}

.modal-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, #1a1a1a 0%, #4a4a4a 100%);
}

.tab-content {
  display: none;
  padding: 20px 40px;
  animation: slideIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Upload Area */
.upload-area {
  border: 2px dashed #d0d0d0;
  border-radius: 12px;
  padding: 60px 40px;
  text-align: center;
  background: #ffffff;
  transition: all 0.3s ease;
  cursor: pointer;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}

.upload-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.02) 0%, rgba(26, 26, 26, 0) 100%);
  pointer-events: none;
}

.upload-area:hover {
  border-color: #1a1a1a;
  background: #fafafa;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.upload-area.dragover {
  border-color: #1a1a1a;
  background: linear-gradient(135deg, #f0f0f0 0%, #fafafa 100%);
  border-style: solid;
  transform: scale(1.01);
}

.upload-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  opacity: 0.4;
  stroke-width: 1.5;
}

.upload-text {
  font-size: 18px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 8px;
  letter-spacing: -0.3px;
}

.upload-hint {
  font-size: 14px;
  color: #888;
  margin-bottom: 28px;
  font-weight: 400;
}

.upload-file-input {
  display: none;
}

.upload-button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  background: #1a1a1a;
  color: #ffffff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.upload-button:hover {
  background: #000000;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

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

/* File Preview */
.file-preview {
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  padding: 20px;
  display: none;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.file-preview.active {
  display: flex;
  animation: slideIn 0.3s ease;
}

.file-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.file-icon svg {
  color: #666;
}

.file-info {
  flex: 1;
  min-width: 0;
}

.file-name {
  font-size: 15px;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-size {
  font-size: 13px;
  color: #888;
}

.file-remove {
  background: #f5f5f5;
  border: none;
  color: #666;
  cursor: pointer;
  padding: 10px;
  border-radius: 6px;
  transition: all 0.2s;
  flex-shrink: 0;
}

.file-remove:hover {
  background: #ffe5e5;
  color: #e74c3c;
}

/* Processing Indicator */
.processing-indicator {
  display: none;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: linear-gradient(135deg, #f0f8ff 0%, #e8f4ff 100%);
  border-radius: 10px;
  margin-bottom: 24px;
  border: 1px solid #d0e8ff;
}

.processing-indicator.active {
  display: flex;
  animation: slideIn 0.3s ease;
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid #e0e0e0;
  border-top-color: #1a1a1a;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.processing-text {
  font-size: 14px;
  color: #1a1a1a;
  font-weight: 500;
}

/* Form Sections in Modal */
.form-section {
  margin-bottom: 16px;
  background: #ffffff;
  border-radius: 8px;
  padding: 20px;
  border: 1px solid #e8e8e8;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.form-section:last-child {
  margin-bottom: 0;
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #1a1a1a;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.2px;
  text-transform: uppercase;
}

.section-title::before {
  content: '';
  width: 3px;
  height: 16px;
  background: linear-gradient(to bottom, #1a1a1a 0%, #666 100%);
  border-radius: 2px;
}

.section-divider {
  height: 1px;
  background: linear-gradient(to right, #e8e8e8 0%, transparent 100%);
  margin: 32px 0;
}

/* Enhanced Form Controls */
.form-group {
  margin-bottom: 0;
}

.form-group label {
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 4px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  display: block;
}

.form-control {
  padding: 8px 12px;
  border: 1px solid #d0d0d0;
  border-radius: 4px;
  font-size: 13px;
  transition: all 0.2s;
  background: #ffffff;
  color: #1a1a1a;
  width: 100%;
}

.form-control:hover {
  border-color: #c0c0c0;
}

.form-control:focus {
  outline: none;
  border-color: #1a1a1a;
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.1);
}

.form-control::placeholder {
  color: #aaa;
}

/* Order Line Items */
.order-line-item {
  background: #fafafa;
  border: 1px solid #e0e0e0;
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 8px;
  position: relative;
  transition: all 0.2s;
}

.order-line-item:hover {
  border-color: #c0c0c0;
  background: #f5f5f5;
}

.line-item-number {
  position: absolute;
  top: 12px;
  left: 16px;
  width: 24px;
  height: 24px;
  background: #1a1a1a;
  color: #ffffff;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.line-item-content {
  padding-left: 48px;
}

.remove-line-btn {
  position: absolute;
  top: 12px;
  right: 16px;
  background: transparent;
  border: none;
  color: #999;
  padding: 4px;
  cursor: pointer;
  font-size: 20px;
  font-weight: 400;
  transition: all 0.2s;
  line-height: 1;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}

.remove-line-btn:hover {
  background: #ffe5e5;
  color: #e74c3c;
}

.add-line-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 10px;
  background: #ffffff;
  border: 1px dashed #c0c0c0;
  border-radius: 4px;
  color: #666;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}

.add-line-btn:hover {
  background: #fafafa;
  border-color: #1a1a1a;
  color: #1a1a1a;
}

.add-line-btn:active {
  transform: scale(0.98);
}

/* Enhanced Buttons */
.btn-secondary {
  background: #f5f5f5;
  color: #1a1a1a;
  border: 1.5px solid #e0e0e0;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  background: #e8e8e8;
  border-color: #c0c0c0;
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

.btn-primary {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 100%);
  color: #ffffff;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Notifications */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: #ffffff;
  border: 1px solid #e8e8e8;
  border-radius: 10px;
  padding: 18px 24px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 320px;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.notification.success {
  border-left: 4px solid #27ae60;
  background: linear-gradient(to right, #f0fdf4 0%, #ffffff 100%);
}

.notification.error {
  border-left: 4px solid #e74c3c;
  background: linear-gradient(to right, #fef2f2 0%, #ffffff 100%);
}

.notification-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notification.success .notification-icon {
  background: #27ae60;
  color: #ffffff;
}

.notification.error .notification-icon {
  background: #e74c3c;
  color: #ffffff;
}

.notification-message {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  color: #1a1a1a;
}

/* Enhanced Grid Layout for Form Fields */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}

.form-row:last-child {
  margin-bottom: 0;
}

.form-row.two-col {
  grid-template-columns: repeat(2, 1fr);
}

.form-row.three-col {
  grid-template-columns: repeat(3, 1fr);
}

.form-row.four-col {
  grid-template-columns: repeat(4, 1fr);
}

/* Required Field Indicator */
.required {
  color: #e74c3c;
  margin-left: 4px;
  font-weight: 700;
}

/* Tooltip Styles */
.tooltip-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #e8e8e8;
  color: #666;
  font-size: 11px;
  font-weight: 700;
  margin-left: 6px;
  cursor: help;
  transition: all 0.2s;
}

.tooltip-icon:hover {
  background: #1a1a1a;
  color: #ffffff;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 40px;
  color: #888;
}

.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  opacity: 0.3;
}

.empty-state-text {
  font-size: 16px;
  font-weight: 500;
  color: #666;
  margin-bottom: 8px;
}

.empty-state-hint {
  font-size: 14px;
  color: #999;
}

/* Dark Theme Support */
.dark-theme .side-modal {
  background: #1e1e1e;
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
}

.dark-theme .modal-header {
  background: linear-gradient(to bottom, #252525 0%, #1e1e1e 100%);
  border-bottom-color: #333;
}

.dark-theme .modal-body {
  background: #1a1a1a;
}

.dark-theme .modal-footer {
  background: #1e1e1e;
  border-top-color: #333;
}

.dark-theme .modal-title,
.dark-theme .section-title,
.dark-theme .form-control,
.dark-theme .file-name,
.dark-theme .processing-text {
  color: #e0e0e0;
}

.dark-theme .modal-subtitle,
.dark-theme .upload-hint,
.dark-theme .file-size,
.dark-theme .modal-footer-info {
  color: #a0a0a0;
}

.dark-theme .form-section {
  background: #252525;
  border-color: #333;
}

.dark-theme .form-control {
  background: #1e1e1e;
  border-color: #3a3a3a;
}

.dark-theme .form-control:focus {
  border-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.dark-theme .upload-area {
  background: #252525;
  border-color: #3a3a3a;
}

.dark-theme .upload-area:hover {
  background: #2a2a2a;
  border-color: #ffffff;
}

.dark-theme .order-line-item {
  background: linear-gradient(135deg, #252525 0%, #2a2a2a 100%);
  border-color: #333;
}

.dark-theme .file-preview {
  background: #252525;
  border-color: #333;
}

.dark-theme .file-icon {
  background: linear-gradient(135deg, #2a2a2a 0%, #333 100%);
}

.dark-theme .modal-tab {
  color: #a0a0a0;
}

.dark-theme .modal-tab:hover {
  color: #e0e0e0;
  background: #252525;
}

.dark-theme .modal-tab.active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

.dark-theme .modal-tab.active::after {
  background: linear-gradient(to right, #ffffff 0%, #a0a0a0 100%);
}

.dark-theme .add-line-btn {
  background: linear-gradient(135deg, #252525 0%, #2a2a2a 100%);
  border-color: #3a3a3a;
  color: #e0e0e0;
}

.dark-theme .add-line-btn:hover {
  background: linear-gradient(135deg, #2a2a2a 0%, #333 100%);
  border-color: #ffffff;
}

.dark-theme .modal-close {
  background: #2a2a2a;
  color: #a0a0a0;
}

.dark-theme .modal-close:hover {
  background: #333;
  color: #ffffff;
}

.dark-theme .btn-secondary {
  background: #2a2a2a;
  color: #e0e0e0;
  border-color: #3a3a3a;
}

.dark-theme .btn-secondary:hover {
  background: #333;
  border-color: #4a4a4a;
}

.dark-theme .notification {
  background: #252525;
  border-color: #333;
}

.dark-theme .processing-indicator {
  background: linear-gradient(135deg, #1a2a3a 0%, #1e2e3e 100%);
  border-color: #2a3a4a;
}

.dark-theme .modal-tabs {
  background: #1e1e1e;
  border-bottom-color: #333;
}

/* Responsive Design */
@media (max-width: 768px) {
  .side-modal {
    width: 100%;
    right: -100%;
  }

  .modal-header,
  .modal-footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .modal-tabs {
    padding: 0 20px;
  }

  .tab-content {
    padding: 24px 20px;
  }

  .form-section {
    padding: 20px;
  }

  .form-row.two-col,
  .form-row.three-col {
    grid-template-columns: 1fr;
  }
}