*, *::before, *::after {
  box-sizing: border-box;
}

:root {
  --bg-base: #0B0F19;
  --bg-panel: #111827;
  --border-subtle: #1F2937;
  --text-primary: #F3F4F6;
  --text-secondary: #9CA3AF;
  --accent-main: #0EA5E9;
  --accent-hover: #0284C7;
  
  --color-magical: #10B981;
  --color-magical-bg: rgba(16, 185, 129, 0.1);
  --color-manual: #F59E0B;
  --color-manual-bg: rgba(245, 158, 11, 0.1);
  --color-rejected: #EF4444;
  --color-rejected-bg: rgba(239, 68, 68, 0.1);
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 4rem 1.5rem;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.layout {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo svg {
  color: var(--accent-main);
}

.logo h1 {
  font-size: 1.125rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.01em;
}

.system-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(31, 41, 55, 0.5);
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--text-secondary);
}

.status-dot.online {
  background-color: var(--color-magical);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
}

.status-dot.offline {
  background-color: var(--color-rejected);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.6);
}

.main-content {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (max-width: 768px) {
  .main-content {
    grid-template-columns: 1fr;
  }
}

.panel {
  min-width: 0;
  background-color: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: 0.75rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 1.5rem 0;
  color: var(--text-primary);
}

.form-group {
  margin-bottom: 1.25rem;
}

#product-help, .field-help {
  display: block;
  margin-top: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.75rem;
  line-height: 1.5;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

input, select {
  width: 100%;
  background-color: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  padding: 0.625rem 0.75rem;
  border-radius: 0.5rem;
  outline: none;
  transition: all 0.2s;
  appearance: none;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%239CA3AF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

input:focus, select:focus {
  border-color: var(--accent-main);
  box-shadow: 0 0 0 1px var(--accent-main);
}

.autocomplete-wrap {
  position: relative;
}

.autocomplete-input {
  width: 100%;
}

.autocomplete-list {
  position: absolute;
  top: calc(100% + 2px);
  left: 0;
  right: 0;
  z-index: 100;
  background-color: #1a2233;
  border: 1px solid var(--accent-main);
  border-radius: 0.5rem;
  max-height: 220px;
  overflow-y: auto;
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.autocomplete-list li {
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-primary);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.autocomplete-list li:hover,
.autocomplete-list li.focused {
  background-color: rgba(14, 165, 233, 0.15);
  color: var(--accent-main);
}

input::placeholder {
  color: #4B5563;
}

.btn-primary {
  width: 100%;
  background-color: var(--accent-main);
  color: #fff;
  border: none;
  padding: 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  transition: background-color 0.2s;
  height: 2.75rem;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
}

.btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.hidden {
  display: none !important;
}

.integration-notes {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.integration-notes h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin: 0 0 1rem 0;
  font-weight: 600;
}

.integration-notes ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.integration-notes li {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-direction: row;
  gap: 0.375rem;
  line-height: 1.4;
}

.tag {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.125rem 0.375rem;
  border-radius: 0.25rem;
  letter-spacing: 0.05em;
}

.tag-live {
  background-color: var(--color-magical-bg);
  color: var(--color-magical);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.integration-notes .tag {
  text-transform: none;
  letter-spacing: normal;
  white-space: nowrap;
}

.tag-offline {
  background-color: rgba(31, 41, 55, 0.5);
  color: #9CA3AF;
  border: 1px solid var(--border-subtle);
}

.result-panel {
  display: flex;
  flex-direction: column;
  min-height: 400px;
}

.state-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.state-container p {
  color: var(--text-primary);
  font-weight: 500;
  margin: 1.25rem 0 0.375rem 0;
  font-size: 1rem;
}

.state-container .meta-text {
  font-size: 0.875rem;
  color: var(--text-secondary);
  max-width: 250px;
  line-height: 1.5;
}

.text-secondary {
  color: var(--text-secondary);
}

.state-container .spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--accent-main);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.state-container .error-icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-rejected-bg);
  color: var(--color-rejected);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.result-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.3s ease;
}

.result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.result-header .panel-title {
  margin: 0;
}

.badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge.magical {
  background-color: var(--color-magical-bg);
  color: var(--color-magical);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge.manual_approval {
  background-color: var(--color-manual-bg);
  color: var(--color-manual);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge.rejected {
  background-color: var(--color-rejected-bg);
  color: var(--color-rejected);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.data-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  background-color: rgba(17, 24, 39, 0.5);
  padding: 1.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--border-subtle);
}

.data-item {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.data-item.full-width {
  grid-column: 1 / -1;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 0.25rem;
}

.data-label {
  font-size: 0.6875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.data-value {
  font-size: 0.875rem;
  color: var(--text-primary);
  font-weight: 500;
  word-break: break-all;
}

.font-mono {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: #D1D5DB;
}

/* Mode toggle */
.mode-toggle {
  display: flex;
  gap: 0;
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
  overflow: hidden;
}

.mode-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.mode-btn:first-child {
  border-right: 1px solid var(--border-subtle);
}

.mode-btn:hover:not(.active) {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
}

.mode-btn.active {
  background: var(--accent-main);
  color: #fff;
}

/* CSV upload area */
.csv-upload-area {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.csv-upload-area input[type="file"] {
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  font-size: 0.8125rem;
}

.csv-upload-area input[type="file"]::file-selector-button {
  background: var(--accent-main);
  color: #fff;
  border: none;
  border-radius: 0.375rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  margin-right: 0.75rem;
}

.csv-file-info {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.25rem;
}

/* Bulk results */
.bulk-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.bulk-result-header .panel-title {
  margin: 0;
}

.bulk-summary {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.bulk-progress {
  margin-bottom: 1rem;
}

#bulk-progress-text {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.progress-bar-wrap {
  width: 100%;
  height: 4px;
  background: var(--border-subtle);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: var(--accent-main);
  border-radius: 9999px;
  transition: width 0.2s ease;
}

.bulk-table-wrap {
  overflow-x: auto;
  max-height: 420px;
  overflow-y: auto;
  border: 1px solid var(--border-subtle);
  border-radius: 0.5rem;
}

.bulk-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.bulk-table th {
  position: sticky;
  top: 0;
  background: var(--bg-panel);
  color: var(--text-secondary);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  padding: 0.625rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.bulk-table td {
  padding: 0.5rem 0.75rem;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(31,41,55,0.5);
  vertical-align: middle;
}

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

.bulk-table tr.row-ok td:first-child {
  border-left: 2px solid var(--color-magical);
}

.bulk-table tr.row-error td:first-child {
  border-left: 2px solid var(--color-rejected);
}

.bulk-table tr.row-error .status-cell {
  color: var(--color-rejected);
  font-size: 0.75rem;
}

.bulk-table tr.row-ok .status-cell {
  color: var(--color-magical);
}