:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-muted: #64748b;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #eff6ff;
  --danger: #dc2626;
  --success: #16a34a;
  --shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 4px 16px rgba(15, 23, 42, 0.06);
  --radius: 10px;
  --radius-sm: 6px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* App layout + sidebar */
.app-layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 260px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
  color: #e2e8f0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 200;
  transition: transform 0.2s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.sidebar-brand strong {
  display: block;
  font-size: 0.95rem;
  color: #fff;
}

.sidebar-brand small {
  display: block;
  font-size: 0.7rem;
  color: #94a3b8;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0.5rem;
}

.sidebar-section {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 0.75rem 0.75rem 0.35rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  margin-bottom: 2px;
  border-radius: var(--radius-sm);
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.875rem;
  transition: background 0.15s, color 0.15s;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.sidebar-link.active {
  background: var(--primary);
  color: #fff;
}

.sidebar-icon {
  width: 1.25rem;
  text-align: center;
  opacity: 0.9;
  font-size: 0.9rem;
}

.sidebar-footer {
  padding: 0.75rem 0.5rem 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-logout:hover {
  background: rgba(220, 38, 38, 0.2);
  color: #fecaca;
}

.main-wrapper {
  flex: 1;
  min-width: 0;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.mobile-header {
  display: none;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.mobile-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.content {
  padding: 1.5rem 2rem;
  flex: 1;
  width: 100%;
}

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
  }
  body.sidebar-open .sidebar {
    transform: translateX(0);
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.3);
  }
  .main-wrapper {
    margin-left: 0;
  }
  .mobile-header {
    display: flex;
  }
}

/* Panels */
.panel {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.panel h2 {
  margin: 0 0 1.25rem;
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.page-header {
  padding: 1.25rem 1.5rem;
  margin: -1.5rem -1.5rem 1.25rem;
  border-radius: var(--radius) var(--radius) 0 0;
}

.page-header h1 { margin: 0; font-size: 1.5rem; font-weight: 600; }
.page-header.orange { background: linear-gradient(135deg, #f59e0b, #ea580c); color: #fff; }
.page-header.skyblue { background: linear-gradient(135deg, #38bdf8, #0ea5e9); color: #fff; }
.page-header.hottrack { background: linear-gradient(135deg, #2563eb, #1d4ed8); color: #fff; }

/* Buttons */
.toolbar { margin-bottom: 1rem; display: flex; gap: 0.5rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}

.btn:hover {
  background: var(--surface-2);
  border-color: #cbd5e1;
}

.btn.primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

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

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

.actions-cell {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
  white-space: nowrap;
}

.doc-desc-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.8125rem;
  line-height: 1.45;
}

.doc-list-cell .doc-desc-list {
  max-width: 16rem;
}

.doc-list-cell {
  vertical-align: top;
}

.btn.sm { padding: 0.35rem 0.65rem; font-size: 0.8125rem; }

/* Tables */
.table-wrap { overflow-x: auto; border-radius: var(--radius-sm); border: 1px solid var(--border); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  font-size: 0.875rem;
}

th, td {
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0.85rem;
  text-align: left;
}

th {
  background: var(--surface-2);
  font-weight: 600;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafbfc; }

td input, td select {
  width: 100%;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
}

.empty { text-align: center; color: var(--text-muted); font-style: italic; padding: 2rem; }

/* Alerts */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.875rem;
}

.alert.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }
.alert.success { background: #f0fdf4; color: #15803d; border: 1px solid #bbf7d0; }

/* Form fields */
.field label,
.field > .label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.field input[readonly],
.field textarea[readonly] {
  background: var(--surface-2);
  color: var(--text-muted);
}

.form-row {
  display: grid;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-row.cols-2 { grid-template-columns: repeat(2, 1fr); }
.form-row.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-row.cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .form-row.cols-2,
  .form-row.cols-3,
  .form-row.cols-4 {
    grid-template-columns: 1fr;
  }
}

.field-sm { min-width: 0; }
.field-md { min-width: 0; }

.field-toggle {
  display: flex;
  align-items: flex-end;
  padding-bottom: 0.15rem;
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
}

.toggle-label input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--primary);
}

/* Horizontal field row (license generator) */
.fields-row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: flex-end;
  gap: 0.75rem;
  width: 100%;
  margin-bottom: 1rem;
}

.fields-row-stack {
  flex-wrap: wrap;
  align-items: stretch;
}

.fields-row-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.fields-row-item label,
.fields-row-item > label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.fields-row-item input,
.fields-row-item select,
.fields-row-item textarea,
.fields-row-item .search-select-input {
  width: 100%;
  height: 2.25rem;
  box-sizing: border-box;
  padding: 0 0.55rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.25;
  background: var(--surface);
}

.fields-row-item textarea {
  height: auto;
  min-height: 2.25rem;
  padding: 0.45rem 0.55rem;
}

.fields-row-item input:focus,
.fields-row-item select:focus,
.fields-row-item .search-select-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.fields-row-dealer {
  flex: 0 0 9rem;
  width: 9rem;
}

.fields-row-plugin {
  flex: 1 1 14rem;
  min-width: 12rem;
}

.license-gen-row {
  align-items: flex-end;
}

.fields-row-xs {
  flex: 0 0 5.5rem;
  width: 5.5rem;
}

.fields-row-sm {
  flex: 0 0 6.5rem;
  width: 6.5rem;
}

.fields-row-md {
  flex: 0 0 9.5rem;
  width: 9.5rem;
}

.fields-row-grow {
  flex: 1 1 12rem;
  min-width: 10rem;
}

.fields-row-full {
  flex: 1 1 100%;
  width: 100%;
}

.fields-row-check {
  flex: 0 0 auto;
  justify-content: flex-end;
  padding-bottom: 0.45rem;
}

.check-inline {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
  white-space: nowrap;
}

.check-inline input {
  width: auto;
  accent-color: var(--primary);
}

/* Dropdown multi-select (list, no checkboxes) */
.dropdown-multi {
  position: relative;
  width: 100%;
}

.dropdown-multi-native {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.dropdown-multi-trigger {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.5rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.5rem 0.4rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.dropdown-multi-trigger:hover,
.dropdown-multi.is-open .dropdown-multi-trigger {
  border-color: var(--primary);
}

.dropdown-multi.is-open .dropdown-multi-trigger {
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.dropdown-multi-pills {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  flex: 1 1 auto;
  min-width: 0;
}

.dropdown-multi-placeholder {
  flex: 1 1 auto;
  color: var(--text-muted);
  font-size: 0.875rem;
  padding: 0.15rem 0;
}

.dropdown-multi.has-pills .dropdown-multi-placeholder {
  display: none !important;
}

.dropdown-multi-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
  max-width: 100%;
  padding: 0.2rem 0.35rem 0.2rem 0.55rem;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.2;
}

.dropdown-multi-pill-label {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 12rem;
}

.dropdown-multi-pill-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  padding: 0;
  margin: 0;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--primary);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  flex-shrink: 0;
}

.dropdown-multi-pill-remove:hover {
  background: rgba(37, 99, 235, 0.2);
  color: var(--primary-hover);
}

.dropdown-multi-arrow {
  flex-shrink: 0;
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0 0.25rem;
}

.dropdown-multi-list {
  display: none;
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  max-height: 260px;
  overflow-y: auto;
  margin: 0;
  padding: 0.25rem 0;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 60;
}

.dropdown-multi.is-open .dropdown-multi-list {
  display: block;
}

.dropdown-multi-group {
  padding: 0.4rem 0.75rem 0.15rem;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  pointer-events: none;
}

.dropdown-multi-item {
  padding: 0.45rem 0.75rem;
  font-size: 0.8125rem;
  cursor: pointer;
  user-select: none;
}

.dropdown-multi-item:hover {
  background: var(--primary-soft);
}

.dropdown-multi-item.is-selected {
  background: var(--primary);
  color: #fff;
}

.dropdown-multi.is-disabled .dropdown-multi-trigger {
  opacity: 0.5;
  cursor: not-allowed;
}

.doc-type-picklist {
  width: 100%;
  max-width: 36rem;
  min-height: 16rem;
  padding: 0.35rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.875rem;
  line-height: 1.45;
  background: var(--surface);
}

.doc-type-picklist:disabled {
  background: var(--surface-2);
  color: var(--text-muted);
  cursor: not-allowed;
}

.doc-type-picklist optgroup {
  font-weight: 600;
  color: var(--text-muted);
}

.doc-type-picklist option {
  padding: 0.15rem 0.35rem;
}

.doc-type-picklist option:checked {
  background: linear-gradient(0deg, rgba(37, 99, 235, 0.15), rgba(37, 99, 235, 0.15));
}

.search-select {
  position: relative;
  width: 100%;
}

.search-select-input {
  width: 100%;
  height: 2.25rem;
  box-sizing: border-box;
}

.search-select-list {
  position: absolute;
  z-index: 40;
  top: calc(100% + 0.2rem);
  left: 0;
  min-width: 100%;
  width: max-content;
  max-width: min(28rem, 80vw);
  max-height: 14rem;
  margin: 0;
  padding: 0.25rem 0;
  list-style: none;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.search-select-item {
  padding: 0.45rem 0.7rem;
  font-size: 0.875rem;
  cursor: pointer;
  white-space: nowrap;
}

.search-select-item:hover,
.search-select-item.is-selected {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}

.search-select-item[hidden] {
  display: none;
}

@media (max-width: 1100px) {
  .fields-row:not(.fields-row-stack) {
    flex-wrap: wrap;
  }
  .fields-row-xs,
  .fields-row-sm,
  .fields-row-md,
  .fields-row-grow {
    flex: 1 1 calc(33% - 0.75rem);
    width: auto;
    min-width: 7rem;
  }
}

/* License generator */
.license-form .section-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 1.25rem 0 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.license-form .section-title:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.license-form.panel {
  max-width: 100%;
}

.license-form .result-title {
  border-top: none;
  padding-top: 0;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

.result-block {
  margin-top: 1.5rem;
  padding: 1.25rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.result-block .field { margin-bottom: 1rem; }
.result-block .field:last-child { margin-bottom: 0; }

.result-block textarea {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 0.8125rem;
  resize: vertical;
}

/* Legacy grids (edit pages) */
.master-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.field.wide { grid-column: 1 / -1; }

.master-fields-mobile {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.master-fields-mobile .master-fields-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.master-fields-mobile .field-remark {
  grid-column: 1 / -1;
}

.master-fields-mobile .field-remark input {
  width: 100%;
}

.form-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.75rem 1rem;
  align-items: center;
}

.form-grid .full-width { grid-column: 1 / -1; }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
}

.inline-form { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.inline-form input {
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  min-width: 200px;
  font-family: inherit;
}

.module-list { line-height: 1.9; padding-left: 1.25rem; }
.module-list a { color: var(--primary); text-decoration: none; }
.module-list a:hover { text-decoration: underline; }
.hint { color: var(--text-muted); font-size: 0.875rem; }
.hint code {
  background: var(--surface-2);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.8125rem;
}

/* Login */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #0f172a 0%, #1e40af 50%, #3b82f6 100%);
  padding: 1rem;
}

.login-card {
  background: var(--surface);
  padding: 2rem;
  border-radius: var(--radius);
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
}

.login-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.subtitle { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 0.9rem; }

.login-card label {
  display: block;
  margin: 1rem 0 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.login-card input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.9375rem;
}

.login-card input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.login-card button {
  width: 100%;
  margin-top: 1.5rem;
  padding: 0.7rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  font-family: inherit;
  transition: background 0.15s;
}

.login-card button:hover { background: var(--primary-hover); }

/* Dashboard cards */
.dash-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.dash-card {
  display: block;
  padding: 1.25rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.dash-card:hover {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.dash-card strong {
  display: block;
  color: var(--primary);
  margin-bottom: 0.35rem;
  font-size: 0.9375rem;
}

.expiry-line {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.expiry-date {
  white-space: nowrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.12rem 0.45rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
}

.pill-expired {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.pill-expiring {
  background: #fff7ed;
  color: #c2410c;
  border: 1px solid #fed7aa;
}

.pill-active {
  background: #f0fdf4;
  color: #15803d;
  border: 1px solid #bbf7d0;
}

.cell-check {
  text-align: center;
  vertical-align: middle;
}

.cell-check input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.col-expand {
  width: 2.5rem;
  text-align: center;
}

.btn-expand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
}

.btn-expand:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.expand-summary.is-expanded {
  background: var(--surface-2);
}

.expand-details > td {
  padding: 0;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.expand-panel {
  padding: 0.75rem 1rem 1rem 2.75rem;
}

.nested-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.nested-table th,
.nested-table td {
  padding: 0.55rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.8125rem;
}

.nested-table th {
  background: var(--surface-2);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

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

.cell-device-uid {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  word-break: break-all;
}

#detail-table .input-license-code {
  width: 7.5rem;
}

#detail-table .input-readonly {
  background: var(--surface-2);
  color: var(--text-muted);
  cursor: default;
  border-color: var(--border);
}

#detail-table .input-device-uid {
  min-width: 24rem;
  width: 100%;
}

#detail-table .input-remark {
  width: 100%;
  min-width: 12rem;
}

#detail-table td {
  vertical-align: top;
}

#detail-table .cell-check {
  vertical-align: middle;
}

.master-fields .field div {
  padding: 0.45rem 0;
  font-size: 0.875rem;
}

td select.plugin-picklist,
.plugin-picklist {
  width: 100%;
  min-width: 8rem;
}

/* General Settings */
.settings-section-title {
  margin: 1.5rem 0 0.75rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}

.settings-section-title:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0.5rem;
}

.email-preview {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.preview-box {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.875rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.preview-body {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.5;
  max-height: 20rem;
  overflow: auto;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
  cursor: pointer;
}

.test-email-form {
  margin-top: 0.5rem;
}