/* ===== COMPONENTS CSS ===== */

/* Header Bar */
.header-bar {
  grid-column: 1 / -1;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.header-left,
.header-right,
.logo-section {
  display: flex;
  align-items: center;
  gap: 16px;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--text-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  flex-shrink: 0;
}
.logo-text {
  font-size: 18px;
  font-weight: 600;
  white-space: nowrap;
}
.language-selector-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}
.language-icon {
  width: 20px;
  height: 20px;
  color: var(--text-secondary);
}
.form-select-sm {
  padding: 8px 32px 8px 12px;
  font-size: 13px;
  background-position: right 8px center;
}

/* Sidebar Form */
.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.sidebar-content {
  padding: 24px;
  flex-grow: 1;
}
.form-section {
  margin-bottom: 32px;
}
.section-header {
  margin-bottom: 16px;
}
.section-title {
  font-size: 16px;
  font-weight: 600;
}
.form-grid {
  display: grid;
  gap: 16px;
}
.form-grid-2 {
  grid-template-columns: 1fr 1fr;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}
.form-input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 14px;
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all 0.2s ease;
  font-family: inherit;
}
.form-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgb(59 130 246 / 0.1);
}
.form-input::placeholder {
  color: #d1d5db;
}
.form-input-error {
  border-color: var(--accent-danger) !important;
}
.form-textarea {
  resize: vertical;
  min-height: 80px;
}
.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
}

/* Image Upload Component */
.image-upload-container {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  background: var(--bg-secondary);
  transition: all 0.2s ease;
  position: relative;
}

.image-upload-container:hover {
  border-color: var(--accent-primary);
  background: rgb(59 130 246 / 0.05);
}

.image-upload-container.has-image {
  border-style: solid;
  border-color: var(--accent-secondary);
  background: var(--bg-primary);
  padding: 16px;
}

.image-preview-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.image-preview {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  object-fit: contain;
  background-color: white;
  display: none;
}

.image-preview.signature-preview {
  background-color: white;
}

.image-upload-container.has-image .image-preview {
  display: block;
}

.image-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.image-upload-container.has-image .image-upload-content {
  display: none;
}

.upload-icon {
  width: 48px;
  height: 48px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.image-upload-container:hover .upload-icon {
  color: var(--accent-primary);
}

.upload-text {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.upload-subtext {
  font-size: 12px;
  color: var(--text-muted);
}

.image-upload-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.image-upload-container.has-image .image-upload-input {
  display: none;
}

.image-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.btn-remove-image,
.btn-change-image {
  padding: 6px 12px;
  font-size: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-remove-image:hover {
  background-color: #fef2f2;
  border-color: var(--accent-danger);
  color: var(--accent-danger);
}

.btn-change-image:hover {
  background-color: var(--border-color);
}

.image-upload-container:not(.has-image) .image-actions {
  display: none;
}

/* Items Section */
.items-header {
  display: grid;
  grid-template-columns: 1fr 60px 90px 32px;
  gap: 8px;
  margin-bottom: 8px;
}
.items-header-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  padding: 0 4px;
}
.item-row {
  display: grid;
  grid-template-columns: 1fr 60px 90px 32px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}
.item-input {
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 100%;
}
.item-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}
.remove-item-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  font-size: 20px;
}
.remove-item-btn:hover {
  background: #fef2f2;
  color: var(--accent-danger);
}
.add-item-btn {
  width: 100%;
  padding: 12px;
  border: 1px dashed var(--border-color);
  background: none;
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  margin-top: 12px;
  transition: all 0.2s ease;
}
.add-item-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgb(59 130 246 / 0.05);
}

/* Action Buttons */
.action-section {
  padding: 24px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-primary);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--text-primary);
  color: white;
  margin-bottom: 12px;
  font-weight: 600;
}
.btn-primary:hover {
  background: #000;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-secondary {
  background: var(--bg-primary);
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn-secondary:hover {
  background: var(--bg-secondary);
  border-color: var(--text-secondary);
}
.btn-row {
  display: flex;
  gap: 12px;
}

/* Loading State */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
.btn.loading {
  position: relative;
  color: transparent !important;
}
.btn.loading::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  border: 2px solid transparent;
  border-top-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.btn-secondary.loading::after {
  border-top-color: var(--text-primary);
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Preview Panel */
.preview-panel {
  background: var(--bg-secondary);
  display: flex;
  overflow-y: auto;
}
.preview-content {
  flex: 1;
  padding: 32px;
}
.invoice-preview {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 48px 56px;
  min-height: 1122px;
  border: 1px solid var(--border-light);
}
.invoice-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border-light);
}
.invoice-brand {
  display: flex;
  align-items: center;
  gap: 16px;
}
.invoice-logo {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
}
#previewLogo {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.invoice-logo-text {
  width: 48px;
  height: 48px;
  background: var(--text-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
}
.invoice-company-name {
  font-size: 20px;
  font-weight: 600;
}
.invoice-meta {
  text-align: right;
}
.invoice-number {
  font-size: 24px;
  font-weight: 300;
  margin-bottom: 8px;
}
.invoice-dates {
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.6;
}
.invoice-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.invoice-section h3 {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}
.address-info {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 14px;
}
.address-info .name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

/* Invoice Table */
.invoice-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 32px;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.invoice-table th {
  background: var(--bg-sidebar);
  padding: 16px 20px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}
.invoice-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-primary);
}
.invoice-table tbody tr:last-child td {
  border-bottom: none;
}
.item-description {
  font-weight: 500;
}

/* Invoice Totals & Payment */
.invoice-totals {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 24px;
}
.totals-section {
  min-width: 280px;
}
.total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-light);
}
.total-row.grand-total {
  border-top: 2px solid var(--text-primary);
  border-bottom: none;
  font-weight: 600;
  font-size: 18px;
  margin-top: 8px;
}
.total-label {
  color: var(--text-secondary);
}
.total-amount {
  color: var(--text-primary);
  font-weight: 500;
}
.grand-total .total-amount {
  font-size: 18px;
  font-weight: 600;
}
.payment-link-wrapper {
  margin: 24px 0;
  text-align: right;
}
.payment-link-btn {
  display: inline-block;
  padding: 12px 24px;
  background-color: var(--accent-secondary);
  color: white !important;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}
.payment-link-btn:hover {
  opacity: 0.85;
  transform: translateY(-1px);
}

/* Invoice Footer */
.invoice-footer {
  border-top: 1px solid var(--border-light);
  padding-top: 32px;
  margin-top: 48px;
}
#notesSection,
#signatureSection {
  margin-bottom: 32px;
}
.invoice-footer h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}
.invoice-footer p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 14px;
  white-space: pre-wrap;
}
.signature-image-container {
  max-width: 200px;
  margin-top: 16px;
}
#previewSignature {
  max-width: 100%;
  height: auto;
}

/* App Footer */
.app-footer {
  text-align: center;
  padding: 12px;
  font-size: 13px;
  color: var(--text-muted);
  background-color: var(--bg-sidebar);
}
.app-footer a {
  color: var(--text-secondary);
  font-weight: 500;
  text-decoration: none;
}
.app-footer a:hover {
  text-decoration: underline;
}

/* Status Badge */
.status-badge {
  display: inline-block;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-draft {
  background-color: #f3f4f6;
  color: #6b7280;
  border: 1px solid #d1d5db;
}

.status-pending {
  background-color: #fef3c7;
  color: #d97706;
  border: 1px solid #fbbf24;
}

.status-void {
  background-color: #fef2f2;
  color: #dc2626;
  border: 1px solid #f87171;
}

.status-paid {
  background-color: #d1fae5;
  color: #059669;
  border: 1px solid #34d399;
}

.invoice-status {
  margin-bottom: 8px;
  text-align: right;
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
  .preview-content {
    padding: 16px;
  }
  .invoice-preview {
    padding: 24px;
    min-height: 0;
  }
  .invoice-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 24px;
    padding-bottom: 24px;
  }
  .invoice-meta {
    text-align: left;
  }
  .invoice-table th,
  .invoice-table td {
    padding: 10px;
    font-size: 12px;
  }
  .totals-section {
    min-width: 100%;
  }
  .logo-text {
    font-size: 16px;
  }
  .items-header {
    grid-template-columns: 1fr 45px 65px 32px;
    gap: 4px;
  }
  .item-row {
    grid-template-columns: 1fr 45px 65px 32px;
    gap: 4px;
  }
  .items-header-label {
    font-size: 10px;
  }
}