* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f4f6f8;
  color: #1f2937;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: #111827;
  color: #fff;
}

.topbar h1 {
  margin: 0;
  font-size: 18px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.api-base-label {
  display: flex;
  flex-direction: column;
  font-size: 12px;
  color: #d1d5db;
}

.api-base-label input {
  width: 320px;
}

.layout {
  display: flex;
  min-height: calc(100vh - 56px);
}

.sidebar {
  width: 220px;
  background: #1f2937;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-btn {
  border: 1px solid #374151;
  background: #111827;
  color: #fff;
  padding: 10px;
  text-align: left;
  border-radius: 6px;
  cursor: pointer;
}

.nav-btn.active {
  background: #2563eb;
  border-color: #2563eb;
}

.content {
  flex: 1;
  padding: 16px;
}

.panel {
  display: none;
}

.panel.active {
  display: block;
}

.card {
  background: #fff;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid #e5e7eb;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 12px;
}

.section-header h3 {
  margin: 0 0 4px;
}

.section-desc {
  margin: 0;
  color: #64748b;
  font-size: 13px;
}

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.form-grid.cols-2 {
  grid-template-columns: 1fr 1fr;
}

.form-grid.cols-6 {
  grid-template-columns: repeat(6, minmax(100px, 1fr));
}

.span-2 {
  grid-column: span 2;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
}

input,
textarea,
select,
button {
  font: inherit;
}

input,
textarea,
select {
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 8px;
  background: #fff;
}

textarea {
  resize: vertical;
}

.form-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn {
  border: 1px solid #94a3b8;
  background: #fff;
  color: #0f172a;
  border-radius: 6px;
  padding: 8px 12px;
  cursor: pointer;
}

.btn.primary {
  background: #2563eb;
  border-color: #2563eb;
  color: #fff;
}

.btn.danger {
  background: #dc2626;
  border-color: #dc2626;
  color: #fff;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

th,
td {
  border: 1px solid #e5e7eb;
  padding: 8px;
  text-align: left;
  font-size: 13px;
}

.pager {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
}

.json-box {
  background: #0b1020;
  color: #93c5fd;
  border-radius: 6px;
  padding: 10px;
  min-height: 56px;
  white-space: pre-wrap;
  word-break: break-word;
}

.upload-status {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid #86efac;
  background: #f0fdf4;
  color: #14532d;
  font-size: 13px;
}

.upload-status.error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #7f1d1d;
}

.submit-status {
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid #bfdbfe;
  background: #eff6ff;
  color: #1e3a8a;
}

.submit-status.error {
  border-color: #fecaca;
  background: #fef2f2;
  color: #7f1d1d;
}

.steps {
  margin: 0 0 12px;
  padding-left: 18px;
}

.message {
  padding: 10px 12px;
  border-radius: 6px;
  margin-bottom: 12px;
  border: 1px solid;
}

.message.info {
  background: #eff6ff;
  border-color: #bfdbfe;
}

.message.error {
  background: #fef2f2;
  border-color: #fecaca;
}

.hidden {
  display: none;
}

.muted {
  color: #cbd5e1;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-panel {
  width: min(1000px, 96vw);
  max-height: 86vh;
  overflow: auto;
  background: #ffffff;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  padding: 16px;
}

.modal-panel-narrow {
  width: min(720px, 96vw);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-form-grid {
  margin-top: 12px;
}

.detail-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px 12px;
  margin-top: 12px;
}

.detail-label {
  color: #475569;
  font-size: 13px;
}

.detail-value {
  color: #0f172a;
  font-size: 13px;
  word-break: break-word;
}

input[readonly] {
  background: #f8fafc;
}

.media-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
  background: #f8fafc;
}

.media-thumb-box {
  display: flex;
  gap: 8px;
  align-items: center;
}

.media-key {
  max-width: 280px;
  font-size: 12px;
  color: #334155;
  word-break: break-all;
}

.content-editor {
  min-height: 180px;
  border: 1px solid #cbd5e1;
  border-radius: 6px;
  padding: 10px;
  background: #fff;
  line-height: 1.6;
}

.content-editor:focus {
  outline: 2px solid #93c5fd;
  border-color: #60a5fa;
}

.editor-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 8px;
}

.editor-toolbar select {
  min-width: 110px;
}