:root {
  --md-sys-color-primary: #6750A4;
  --md-sys-color-on-primary: #FFFFFF;
  --md-sys-color-primary-container: #EADDFF;
  --md-sys-color-on-primary-container: #21005D;
  --md-sys-color-secondary: #625B71;
  --md-sys-color-on-secondary: #FFFFFF;
  --md-sys-color-secondary-container: #E8DEF8;
  --md-sys-color-on-secondary-container: #1D192B;
  --md-sys-color-tertiary: #7D5260;
  --md-sys-color-on-tertiary: #FFFFFF;
  --md-sys-color-tertiary-container: #FFD8E4;
  --md-sys-color-on-tertiary-container: #31111D;
  --md-sys-color-error: #B3261E;
  --md-sys-color-on-error: #FFFFFF;
  --md-sys-color-error-container: #F9DEDC;
  --md-sys-color-on-error-container: #410E0B;
  --md-sys-color-outline: #79747E;
  --md-sys-color-background: #FFFBFE;
  --md-sys-color-on-background: #1C1B1F;
  --md-sys-color-surface: #FFFBFE;
  --md-sys-color-on-surface: #1C1B1F;
  --md-sys-color-surface-variant: #E7E0EC;
  --md-sys-color-on-surface-variant: #49454F;
  --md-sys-color-inverse-surface: #313033;
  --md-sys-color-inverse-on-surface: #F4EFF4;
  --md-sys-color-surface-tint: #6750A4;
  --md-sys-color-surface-container-highest: #E6E0E9;
  --md-sys-color-surface-container-high: #ECE6F0;
  --md-sys-color-surface-container: #F3EDF7;
  --md-sys-color-surface-container-low: #F7F2FA;
  --md-sys-color-surface-container-lowest: #FFFFFF;
  --md-sys-color-surface-dim: #DED8E1;
  --md-sys-color-surface-bright: #FEF7FF;
  --md-menu-container-color: #FFFBFE;
  --md-list-item-label-text-color: #1C1B1F;
  --md-list-item-supporting-text-color: #49454F;
  --md-list-item-hover-label-text-color: #1C1B1F;
  --md-list-item-hover-state-layer-color: #1C1B1F;
  --md-list-item-focus-state-layer-color: #1C1B1F;
}

[data-theme="dark"] {
  --md-sys-color-primary: #D0BCFF;
  --md-sys-color-on-primary: #381E72;
  --md-sys-color-primary-container: #4F378B;
  --md-sys-color-on-primary-container: #EADDFF;
  --md-sys-color-secondary: #CCC2DC;
  --md-sys-color-on-secondary: #332D41;
  --md-sys-color-secondary-container: #4A4458;
  --md-sys-color-on-secondary-container: #E8DEF8;
  --md-sys-color-tertiary: #EFB8C8;
  --md-sys-color-on-tertiary: #492532;
  --md-sys-color-tertiary-container: #633B48;
  --md-sys-color-on-tertiary-container: #FFD8E4;
  --md-sys-color-error: #F2B8B5;
  --md-sys-color-on-error: #601410;
  --md-sys-color-error-container: #8C1D18;
  --md-sys-color-on-error-container: #F9DEDC;
  --md-sys-color-outline: #938F99;
  --md-sys-color-background: #1C1B1F;
  --md-sys-color-on-background: #E6E1E5;
  --md-sys-color-surface: #1C1B1F;
  --md-sys-color-on-surface: #E6E1E5;
  --md-sys-color-surface-variant: #49454F;
  --md-sys-color-on-surface-variant: #CAC4D0;
  --md-sys-color-inverse-surface: #E6E1E5;
  --md-sys-color-inverse-on-surface: #313033;
  --md-sys-color-surface-tint: #D0BCFF;
  --md-sys-color-surface-container-highest: #36343B;
  --md-sys-color-surface-container-high: #2B2930;
  --md-sys-color-surface-container: #211F26;
  --md-sys-color-surface-container-low: #1D1B20;
  --md-sys-color-surface-container-lowest: #0F0D13;
  --md-sys-color-surface-dim: #141218;
  --md-sys-color-surface-bright: #3B383E;
  --md-menu-container-color: #36343B;
  --md-list-item-label-text-color: #E6E1E5;
  --md-list-item-supporting-text-color: #CAC4D0;
  --md-list-item-hover-label-text-color: #E6E1E5;
  --md-list-item-hover-state-layer-color: #E6E1E5;
  --md-list-item-focus-state-layer-color: #E6E1E5;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  font-family: 'Roboto', system-ui, sans-serif;
  background-color: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  -webkit-font-smoothing: antialiased;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Toolbar */
.sf-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--md-sys-color-surface-container-lowest);
  border-bottom: 1px solid var(--md-sys-color-outline);
  flex-shrink: 0;
  z-index: 100;
}
.sf-toolbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.sf-toolbar__brand .material-symbols-outlined {
  color: var(--md-sys-color-primary);
  font-size: 24px;
}
.sf-toolbar__title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.1px;
  white-space: nowrap;
  color: var(--md-sys-color-on-surface);
}
.sf-toolbar__urlbar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}
.sf-toolbar__settings {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.sf-switch {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
  white-space: nowrap;
}
.sf-switch__label {
  font-size: 12px;
}
.sf-btn--stop {
  --md-outlined-button-label-text-color: var(--md-sys-color-error);
  --md-outlined-button-outline-color: var(--md-sys-color-error);
}

/* Progress Bar */
.sf-progress {
  flex-shrink: 0;
  background: var(--md-sys-color-surface-container-lowest);
  border-bottom: 1px solid var(--md-sys-color-outline);
}
.sf-progress md-linear-progress {
  width: 100%;
  --md-linear-progress-track-height: 4px;
}
.sf-stats {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 4px 16px;
  overflow-x: auto;
}
.sf-stat {
  display: flex;
  align-items: baseline;
  gap: 4px;
  padding: 0 12px;
  border-right: 1px solid var(--md-sys-color-outline);
  white-space: nowrap;
}
.sf-stat:last-child { border-right: none; }
.sf-stat__value {
  font-size: 14px;
  font-weight: 700;
  color: var(--md-sys-color-on-surface);
}
.sf-stat__label {
  font-size: 11px;
  color: var(--md-sys-color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.sf-stat--error .sf-stat__value { color: var(--md-sys-color-error); }
.sf-stat--issues .sf-stat__value { color: var(--md-sys-color-tertiary); }
.sf-stat--status { margin-left: auto; }
.sf-stat--status .sf-stat__value {
  font-weight: 500;
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
}

/* Tabs */
.sf-tabs-wrap {
  flex-shrink: 0;
  background: var(--md-sys-color-surface-container-lowest);
  border-bottom: 1px solid var(--md-sys-color-outline);
  padding: 0 8px;
}

.sf-body {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: row;
}
.sf-body.sf-body--sidebar .sf-main { flex: 1; }

/* Sidebar */
.sf-sidebar {
  flex: 0 0 420px;
  overflow-y: auto;
  overflow-x: hidden;
  background: var(--md-sys-color-surface-container-lowest);
  border-left: 1px solid var(--md-sys-color-outline);
  display: flex;
  flex-direction: column;
}
.sf-sidebar__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-sys-color-outline);
  flex-shrink: 0;
}
.sf-sidebar__title {
  font-size: 16px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
  margin: 0;
}
.sf-sidebar__content {
  padding: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--md-sys-color-on-surface);
}
.sf-sidebar__content .sf-detail-field {
  margin-bottom: 12px;
}
.sf-detail-field__label {
  font-size: 11px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}
.sf-detail-field__value {
  font-size: 13px;
  color: var(--md-sys-color-on-surface);
  word-break: break-word;
}
.sf-detail-field__value a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
}

/* Settings Dialog */
.sf-settings-body {
  min-width: 380px;
  max-width: 500px;
}
.sf-settings-panel { display: none; }
.sf-settings-panel.active { display: block; padding-top: 12px; }
#settings-dialog {
  --md-dialog-container-color: var(--md-sys-color-surface-container-high);
  --md-dialog-headline-color: var(--md-sys-color-on-surface);
  --md-dialog-supporting-text-color: var(--md-sys-color-on-surface-variant);
}
#settings-user-list {
  max-height: 300px;
  overflow-y: auto;
}
.sf-user-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--md-sys-color-outline);
}
.sf-user-row .user-info {
  flex: 1;
  font-size: 13px;
}
.sf-user-row .user-name {
  font-weight: 500;
  color: var(--md-sys-color-on-surface);
}
.sf-user-row .user-role {
  font-size: 11px;
  color: var(--md-sys-color-on-surface-variant);
}
.sf-user-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}
.sf-pass-change {
  display: none;
  align-items: center;
  gap: 4px;
}

/* Main Content */
.sf-main {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.tab-panel {
  display: none;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.tab-panel.active { display: flex; }

/* Overview */
.sf-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
  padding: 16px;
  overflow-y: auto;
}
.sf-card {
  background: var(--md-sys-color-surface-container-lowest);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: 12px;
  padding: 16px;
}
.sf-card--wide { grid-column: 1 / -1; }
.sf-card__title {
  font-size: 14px;
  font-weight: 500;
  margin: 0 0 12px;
  color: var(--md-sys-color-on-surface);
}
.sf-chart-wrap {
  position: relative;
  height: 220px;
  width: 100%;
}
.sf-chart-wrap canvas {
  max-height: 220px;
}
.sf-summary {
  font-size: 13px;
  line-height: 1.6;
  color: var(--md-sys-color-on-surface-variant);
  white-space: pre-line;
}

/* Table Toolbar */
.sf-toolbar-table {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 8px 16px;
  flex-shrink: 0;
  background: var(--md-sys-color-surface-container-lowest);
  border-bottom: 1px solid var(--md-sys-color-outline);
}

/* Table */
.sf-table-wrap {
  flex: 1;
  overflow: auto;
  position: relative;
}
.sf-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.sf-table thead {
  background: var(--md-sys-color-surface-variant);
  position: sticky;
  top: 0;
  z-index: 10;
}
.sf-table th {
  text-align: left;
  padding: 8px 12px;
  font-weight: 500;
  font-size: 12px;
  color: var(--md-sys-color-on-surface-variant);
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--md-sys-color-outline);
}
.sf-table th:hover { color: var(--md-sys-color-on-surface); }
.sf-table td {
  padding: 6px 12px;
  border-bottom: 1px solid var(--md-sys-color-outline);
  color: var(--md-sys-color-on-surface);
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: top;
}
.sf-table tbody tr:hover { background: rgba(103, 80, 164, 0.04); }
.sf-table tbody tr:hover td {
  white-space: normal;
  word-break: break-word;
}

.sort-icon::after {
  content: '↕';
  opacity: 0.3;
  font-size: 11px;
  margin-left: 3px;
}
.sort-asc .sort-icon::after { content: '↑'; opacity: 1; }
.sort-desc .sort-icon::after { content: '↓'; opacity: 1; }

/* Pagination */
.sf-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  flex-shrink: 0;
  border-top: 1px solid var(--md-sys-color-outline);
  background: var(--md-sys-color-surface-container-lowest);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .02em;
}
.badge--error { background: var(--md-sys-color-error-container); color: var(--md-sys-color-on-error-container); }
.badge--warning { background: #FFF8E1; color: #5D4037; }
[data-theme="dark"] .badge--warning { background: #4D3A1F; color: #FFE082; }
.badge--notice { background: var(--md-sys-color-secondary-container); color: var(--md-sys-color-on-secondary-container); }

.hidden { display: none !important; }

/* Comparison Panel */
.sf-compare {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.sf-compare__toolbar {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  padding: 12px 16px;
  flex-shrink: 0;
  background: var(--md-sys-color-surface-container-lowest);
  border-bottom: 1px solid var(--md-sys-color-outline);
  flex-wrap: wrap;
}
.sf-compare__results {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.sf-compare__results[style*="display:none"] {
  display: none;
}
/* Comparison summary cards */
.sf-compare__summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  padding: 16px;
  overflow-y: auto;
}
.sf-compare-stat {
  background: var(--md-sys-color-surface-container-lowest);
  border: 1px solid var(--md-sys-color-outline);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
}
.sf-compare-stat__value {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.2;
}
.sf-compare-stat__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--md-sys-color-on-surface-variant);
  margin-top: 4px;
}
.sf-compare-stat--added .sf-compare-stat__value { color: #2E7D32; }
[data-theme="dark"] .sf-compare-stat--added .sf-compare-stat__value { color: #81C784; }
.sf-compare-stat--removed .sf-compare-stat__value { color: var(--md-sys-color-error); }
.sf-compare-stat--modified .sf-compare-stat__value { color: #FF9800; }
.sf-compare-stat--unmodified .sf-compare-stat__value { color: var(--md-sys-color-primary); }

/* Mapping section */
.sf-mapping-section {
  padding: 12px 16px;
  border-bottom: 1px solid var(--md-sys-color-outline);
  flex-shrink: 0;
  background: var(--md-sys-color-surface-container);
}

/* Visual Diffs */
.diff-old {
  color: var(--md-sys-color-error);
  text-decoration: line-through;
  background: var(--md-sys-color-error-container);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
  display: inline-block;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
}
.diff-new {
  color: #2E7D32;
  background: #E8F5E9;
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
  display: inline-block;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
}
[data-theme="dark"] .diff-new {
  color: #81C784;
  background: #1B5E20;
}

/* Comparison result tabs */
.cmp-tab-panel {
  display: none;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}
.cmp-tab-panel.active {
  display: flex;
}

/* Tools menu */
#tools-menu {
  z-index: 200;
}

/* Responsive */
@media (max-width: 900px) {
  .sf-toolbar { flex-wrap: wrap; }
  .sf-toolbar__settings { display: none; }
  .sf-table td { max-width: 160px; }
  .sf-overview { grid-template-columns: 1fr; }
  .sf-body { flex-direction: column; }
  .sf-sidebar { flex: 0 0 auto; max-height: 40vh; }
  .sf-body.sf-body--sidebar .sf-main { flex: 1; }
}