/* ==================================================================
   GlobalSearch Material theme - portable core
   Extracted from IAITester (src/IAITester.Web/wwwroot/css/app.css).
   Based on the supplied Angular Material theme (reference/source-theme/Styles.css):
   primary #152245, accent #607d8b, warn #f44336, Roboto + Material Icons.
   Requires in <head>:
     https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap
     https://fonts.googleapis.com/icon?family=Material+Icons
   ================================================================== */

:root {
  --primary: #152245;
  --primary-contrast: #ffffff;
  --accent: #607d8b;
  --accent-light: #cfd8dc;
  --warn: #f44336;
  --success: #51a351;
  --toolbar-bg: #f5f5f5;
  --app-bg: #fafafa;
  --surface: #ffffff;
  --text: rgba(0, 0, 0, .87);
  --text-secondary: rgba(0, 0, 0, .6);
  --text-hint: rgba(0, 0, 0, .38);
  --divider: rgba(0, 0, 0, .12);
  --field-bg: #f5f5f5;
  --field-bg-hover: #ececec;
  --field-underline: rgba(0, 0, 0, .42);
  --scroll-track: #e3e4e9;
  --scroll-thumb: #b0bec5;
  --level1: 0 2px 1px -1px rgba(0,0,0,.2), 0 1px 1px 0 rgba(0,0,0,.14), 0 1px 3px 0 rgba(0,0,0,.12);
  --level2: 0 3px 3px -2px rgba(0,0,0,.2), 0 3px 4px 0 rgba(0,0,0,.14), 0 1px 8px 0 rgba(0,0,0,.12);
  --level4: 0 5px 5px -3px rgba(0,0,0,.2), 0 8px 10px 1px rgba(0,0,0,.14), 0 3px 14px 2px rgba(0,0,0,.12);
  --level8: 0 5px 5px -3px rgba(0,0,0,.2), 0 8px 10px 1px rgba(0,0,0,.14), 0 3px 14px 2px rgba(0,0,0,.12);
  --level16: 0 8px 10px -5px rgba(0,0,0,.2), 0 16px 24px 2px rgba(0,0,0,.14), 0 6px 30px 5px rgba(0,0,0,.12);
  --toolbar-height: 64px;
  --right-panel-width: 320px;
}

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

html, body { height: 100%; }

body {
  margin: 0;
  font: 400 14px/20px Roboto, "Helvetica Neue", sans-serif;
  letter-spacing: .0178571429em;
  color: var(--text);
  background: var(--app-bg);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: var(--scroll-track); }
*::-webkit-scrollbar-thumb { background: var(--scroll-thumb); }

[hidden] { display: none !important; }

.material-icons {
  font-family: "Material Icons";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  -webkit-font-feature-settings: "liga";
  font-feature-settings: "liga";
  -webkit-font-smoothing: antialiased;
  user-select: none;
}

/* ------------------------------------------------------------------ App shell */
.app {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.mat-toolbar {
  display: flex;
  align-items: center;
  height: var(--toolbar-height);
  min-height: var(--toolbar-height);
  padding: 0 16px;
  background: var(--toolbar-bg);
  color: var(--text);
  flex-shrink: 0;
}

.mat-toolbar.mat-primary {
  background: var(--primary);
  color: var(--primary-contrast);
}

.mat-toolbar .spacer { flex: 1 1 auto; }

.mat-toolbar .toolbar-title {
  font: 500 20px/32px Roboto, sans-serif;
  letter-spacing: .0125em;
  margin: 0 8px;
}

.app-logo {
  display: inline-flex;
  align-items: center;
  height: 40px;
  margin-right: 8px;
}
.app-logo img { height: 34px; width: auto; display: block; }
.app-logo[aria-label="GlobalSearch"] { height: 46px; }
.app-logo[aria-label="GlobalSearch"] img { height: 46px; }

/* Material icon button (40px state layer, 24px glyph) */
.mat-icon-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  width: 48px;
  height: 48px;
  padding: 12px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  outline: none;
  flex-shrink: 0;
}
.mat-icon-button::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: currentColor;
  opacity: 0;
  transition: opacity 150ms;
}
.mat-icon-button:hover::before { opacity: .08; }
.mat-icon-button:active::before { opacity: .16; }
.mat-icon-button:disabled { color: var(--text-hint); cursor: default; }
.mat-icon-button:disabled::before { display: none; }
.mat-toolbar.mat-primary .mat-icon-button:disabled { color: rgba(255,255,255,.4); }
.mat-icon-button.small { width: 40px; height: 40px; padding: 8px; }
.mat-icon-button.small .material-icons { font-size: 20px; }
.mat-icon-button.tiny { width: 32px; height: 32px; padding: 4px; }
.mat-icon-button.tiny .material-icons { font-size: 20px; }
.mat-icon-button.accent { color: var(--accent); }
.mat-icon-button.warn { color: var(--warn); }

.avatar-button {
  width: 40px;
  height: 40px;
  padding: 0;
  margin-left: 8px;
}
.avatar-button .material-icons { font-size: 40px; }

/* Material buttons */
.mat-button, .mat-raised-button, .mat-stroked-button, .mat-flat-button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--text);
  font: 500 14px/36px Roboto, sans-serif;
  letter-spacing: .0892857143em;
  text-transform: uppercase;
  padding: 0 16px;
  min-width: 64px;
  height: 36px;
  border-radius: 4px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
  outline: none;
  white-space: nowrap;
}
.mat-button::before, .mat-raised-button::before, .mat-stroked-button::before, .mat-flat-button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity 150ms;
}
.mat-button:hover::before, .mat-raised-button:hover::before, .mat-stroked-button:hover::before, .mat-flat-button:hover::before { opacity: .08; }
.mat-button:disabled, .mat-raised-button:disabled, .mat-stroked-button:disabled, .mat-flat-button:disabled {
  color: var(--text-hint);
  background: rgba(0,0,0,.12);
  box-shadow: none;
  cursor: default;
}
.mat-button:disabled { background: transparent; }
.mat-stroked-button:disabled { background: transparent; }
.mat-button.primary, .mat-stroked-button.primary { color: var(--primary); }
.mat-button.accent, .mat-stroked-button.accent { color: var(--accent); }
.mat-button.warn, .mat-stroked-button.warn { color: var(--warn); }
.mat-raised-button { box-shadow: var(--level2); background: var(--surface); }
.mat-raised-button:active { box-shadow: var(--level8); }
.mat-raised-button.primary, .mat-flat-button.primary { background: var(--primary); color: #fff; }
.mat-raised-button.accent, .mat-flat-button.accent { background: var(--accent); color: #fff; }
.mat-raised-button.warn, .mat-flat-button.warn { background: var(--warn); color: #fff; }
.mat-stroked-button { border: 1px solid rgba(0,0,0,.12); }
.mat-button .material-icons, .mat-raised-button .material-icons, .mat-stroked-button .material-icons, .mat-flat-button .material-icons {
  font-size: 18px;
  margin-left: -4px;
}

/* Material filled form field */
.mat-form-field {
  position: relative;
  display: block;
  margin-bottom: 14px;
}
.mat-form-field .field-wrapper {
  position: relative;
  background: var(--field-bg);
  border-radius: 4px 4px 0 0;
  padding: 24px 16px 8px 16px;
  min-height: 56px;
  transition: background 150ms;
}
.mat-form-field .field-wrapper:hover { background: var(--field-bg-hover); }
.mat-form-field .field-wrapper::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--field-underline);
}
.mat-form-field:focus-within .field-wrapper::after {
  height: 2px;
  background: var(--primary);
}
.mat-form-field label {
  position: absolute;
  top: 8px;
  left: 16px;
  font: 400 12px/16px Roboto, sans-serif;
  letter-spacing: .0333em;
  color: var(--text-secondary);
  pointer-events: none;
  transition: all 150ms;
}
.mat-form-field.empty:not(:focus-within) label {
  top: 18px;
  font-size: 16px;
  line-height: 20px;
  letter-spacing: .03125em;
}
.mat-form-field:focus-within label { color: var(--primary); }
.mat-form-field input, .mat-form-field textarea, .mat-form-field select {
  width: 100%;
  border: 0;
  background: transparent;
  font: 400 16px/24px Roboto, sans-serif;
  letter-spacing: .03125em;
  color: var(--text);
  padding: 0;
  outline: none;
  resize: none;
}
.mat-form-field select { appearance: none; padding-right: 24px; cursor: pointer; }
.mat-form-field textarea { min-height: 24px; display: block; }
.mat-form-field .select-arrow {
  position: absolute;
  right: 14px;
  top: 24px;
  width: 0; height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 5px solid var(--text-secondary);
  pointer-events: none;
}
.mat-form-field .resize-handle {
  position: absolute;
  right: 4px; bottom: 4px;
  width: 8px; height: 8px;
  border-right: 1px solid var(--text-hint);
  border-bottom: 1px solid var(--text-hint);
  pointer-events: none;
}
.mat-form-field .field-badge {
  position: absolute;
  right: 6px; top: -8px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--level2);
}
.mat-form-field .field-badge .material-icons { font-size: 16px; }
.mat-form-field .hint {
  font: 400 12px/16px Roboto, sans-serif;
  color: var(--text-secondary);
  padding: 4px 16px 0;
}

/* Checkbox (MDC look) */
.mat-checkbox {
  appearance: none;
  width: 18px; height: 18px;
  border: 2px solid rgba(0,0,0,.54);
  border-radius: 2px;
  margin: 0;
  cursor: pointer;
  position: relative;
  vertical-align: middle;
  background: transparent;
  flex-shrink: 0;
}
.mat-checkbox:checked {
  background: var(--primary);
  border-color: var(--primary);
}
.mat-checkbox:checked::after {
  content: "";
  position: absolute;
  left: 4px; top: 0px;
  width: 5px; height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.mat-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  font-size: 14px;
}

/* Radio (MDC look) */
.mat-radio {
  appearance: none;
  width: 20px; height: 20px;
  border: 2px solid rgba(0,0,0,.54);
  border-radius: 50%;
  margin: 0;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
}
.mat-radio:checked { border-color: var(--primary); }
.mat-radio:checked::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--primary);
}
.mat-radio-label {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  padding: 8px 0;
}

/* Tabs */
.mat-tab-header {
  display: flex;
  border-bottom: 1px solid var(--divider);
  height: 48px;
  flex-shrink: 0;
}
.mat-tab {
  flex: 1 1 0;
  border: 0;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  outline: none;
}
.mat-tab:hover { background: rgba(0,0,0,.04); }
.mat-tab.active { color: var(--primary); }
.mat-tab.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--primary);
}

/* Progress bar */
.mat-progress-bar {
  height: 4px;
  background: rgba(21, 34, 69, .25);
  overflow: hidden;
  position: relative;
  border-radius: 2px;
}
.mat-progress-bar::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 40%;
  background: var(--primary);
  animation: indeterminate 1.8s infinite cubic-bezier(.65,.815,.735,.395);
}
@keyframes indeterminate {
  0% { left: -40%; }
  100% { left: 100%; }
}

.mat-spinner {
  width: 48px; height: 48px;
  border: 4px solid rgba(21,34,69,.15);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.mat-card {
  background: var(--surface);
  border-radius: 4px;
  box-shadow: var(--level1);
  padding: 16px;
}

.mat-divider { border: 0; border-top: 1px solid var(--divider); margin: 0; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 32px;
  padding: 0 12px;
  border-radius: 16px;
  background: #e0e0e0;
  color: var(--text);
  font-size: 14px;
  white-space: nowrap;
}
.chip.primary { background: var(--primary); color: #fff; }
.chip.accent { background: var(--accent); color: #fff; }
.chip .material-icons { font-size: 18px; }

/* ------------------------------------------------------------------ Data grid (ag-grid look) */
.items-grid {
  flex: 1 1 auto;
  overflow: auto;
  font-size: 13px;
}
.items-grid table {
  border-collapse: collapse;
  width: 100%;
  min-width: 900px;
}
.items-grid th {
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
  text-align: left;
  font-weight: 700;
  color: #181d1f;
  font-size: 12px;
  height: 56px;
  padding: 0 16px;
  border-bottom: 1px solid #dde2eb;
  white-space: nowrap;
}
.items-grid td {
  height: 48px;
  padding: 0 16px;
  border-bottom: 1px solid #dde2eb;
  vertical-align: middle;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 320px;
}
.items-grid tr:hover td { background: rgba(33, 150, 243, .06); }
.items-grid tr.selected td { background: rgba(21, 34, 69, .08); }
.items-grid .col-check { width: 56px; padding: 0 16px; }
.items-grid .num { text-align: right; font-variant-numeric: tabular-nums; }
.items-grid td[contenteditable] { cursor: text; }
.items-grid td[contenteditable]:focus { outline: 2px solid var(--primary); outline-offset: -2px; background: #fff; white-space: normal; }
.items-grid .empty-row td { color: var(--text-hint); }
.items-grid .page-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--text-secondary);
  background: #eceff1;
  border-radius: 10px;
  padding: 1px 8px;
}
.items-grid .num { text-align: left; }
.items-grid th { position: sticky; }
.items-grid th .col-resizer {
  position: absolute; right: 0; top: 0; bottom: 0; width: 8px; cursor: col-resize; user-select: none;
}
.items-grid th .col-resizer:hover, .items-grid th .col-resizer:active { background: rgba(21,34,69,.15); }
.items-grid th, .items-grid td { overflow: hidden; text-overflow: ellipsis; }
.items-grid th[data-col] { cursor: pointer; padding-right: 28px; user-select: none; }
.items-grid th[data-col] .sort-icon { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-size: 16px; color: var(--text-hint); }
.items-grid th.sorted-asc .sort-icon, .items-grid th.sorted-desc .sort-icon { color: var(--primary); }
.items-grid th[data-col]:hover .sort-icon { color: var(--text-secondary); }

/* ------------------------------------------------------------------ Form field states */
.mat-form-field textarea { resize: vertical; min-height: 24px; }
.mat-form-field .resize-handle { display: none; }
.mat-form-field.invalid .field-wrapper::after { height: 2px; background: var(--warn); }
.mat-form-field.invalid label { color: var(--warn); }
.mat-form-field .field-hint { color: var(--warn); }

/* ------------------------------------------------------------------ Navigation drawer */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 40;
}
.drawer {
  position: fixed;
  top: 0; bottom: 0; left: 0;
  width: 320px;
  background: var(--surface);
  z-index: 41;
  box-shadow: var(--level16);
  display: flex;
  flex-direction: column;
  transform: translateX(-100%);
  transition: transform 200ms cubic-bezier(.25,.8,.25,1);
}
.drawer.open { transform: none; }
.drawer .drawer-header {
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0 8px 0 16px;
  background: var(--primary);
  color: #fff;
  font: 500 20px/32px Roboto, sans-serif;
}
.drawer .drawer-header .spacer { flex: 1; }
.drawer-list { list-style: none; margin: 0; padding: 8px 0; overflow: auto; }
.drawer-list li {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 16px;
  height: 56px;
  cursor: pointer;
}
.drawer-list li:hover { background: rgba(0,0,0,.04); }
.drawer-list li.active { background: rgba(96,125,139,.16); }
.drawer-list li .material-icons { color: var(--text-secondary); }
.drawer-list li .text { flex: 1; min-width: 0; }
.drawer-list li .text .primary-line { font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.drawer-list li .text .secondary-line { font-size: 14px; color: var(--text-secondary); }
.drawer-list li.completed .material-icons.status { color: var(--success); }
.drawer-list li.failed .material-icons.status { color: var(--warn); }
.drawer-footer { padding: 8px 16px 16px; border-top: 1px solid var(--divider); }

/* ------------------------------------------------------------------ Snackbar / toast */
.snackbar {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(calc(100% + 32px));
  background: #323232;
  color: #fff;
  padding: 14px 16px;
  border-radius: 4px;
  box-shadow: var(--level4);
  min-width: 344px;
  max-width: 640px;
  font-size: 14px;
  z-index: 100;
  transition: transform 200ms;
  display: flex;
  align-items: center;
  gap: 16px;
}
.snackbar.show { transform: translateX(-50%) translateY(0); }
.snackbar.error { background: #b71c1c; }
.snackbar .mat-button { color: #a8dab5; margin-left: auto; }
.snackbar.success { background: #2e7d32; }
.snackbar.danger { background: #b71c1c; }
.snackbar.warning { background: #ef6c00; }
.snackbar.info { background: var(--primary); }

/* ------------------------------------------------------------------ Dialog */
.dialog-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.32);
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
}
.dialog {
  background: var(--surface);
  border-radius: 4px;
  box-shadow: var(--level16);
  width: 100%;
  max-width: 480px;
  padding: 24px;
}
.dialog h2 { font: 500 20px/32px Roboto, sans-serif; margin: 0 0 16px; }
.dialog .dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

/* ------------------------------------------------------------------ Menu (context / overflow) */
.context-menu {
  position: fixed; z-index: 90; min-width: 260px; max-height: calc(100vh - 24px); overflow-y: auto;
  background: var(--surface); border-radius: 4px; box-shadow: var(--level8); padding: 8px 0;
}
.context-menu .menu-title { font: 500 12px/16px Roboto, sans-serif; color: var(--text-secondary); padding: 4px 16px 8px; text-transform: uppercase; letter-spacing: .05em; }
.context-menu button {
  display: flex; align-items: center; gap: 16px; width: 100%; border: 0; background: transparent;
  padding: 0 16px; height: 44px; font: 400 14px/20px Roboto, sans-serif; color: var(--text); cursor: pointer; text-align: left;
}
.context-menu button:hover { background: rgba(0,0,0,.04); }
.context-menu button .material-icons { color: var(--text-secondary); }
.context-menu hr { margin: 8px 0; }
.context-menu button.danger, .context-menu button.danger .material-icons { color: var(--warn); }
.context-menu button .menu-more { margin-left: auto; color: var(--text-hint); }
.context-menu button.active { background: rgba(21, 34, 69, .1); }
.context-menu button.active .material-icons { color: var(--primary); }
.context-menu button[disabled] { color: var(--text-hint); cursor: default; }
.context-menu button[disabled] .material-icons { color: var(--text-hint); }
.context-menu button[disabled]:hover { background: transparent; }

/* ------------------------------------------------------------------ Hint callout
   Navy pill with an amber icon and a dismiss button (used for .burst-callout / .ai-hint in the app). */
.hint-callout {
  display: flex; align-items: center; gap: 10px; max-width: min(560px, calc(100% - 32px));
  background: var(--primary); color: #fff; border-radius: 4px; padding: 8px 8px 8px 14px;
  font: 400 14px/20px Roboto, sans-serif; box-shadow: var(--level4);
  opacity: 1; transition: opacity 400ms ease;
}
.hint-callout.fading { opacity: 0; }
.hint-callout .material-icons { font-size: 20px; color: #ffb74d; flex-shrink: 0; }
.hint-callout .mat-icon-button { color: rgba(255, 255, 255, .8); flex-shrink: 0; }
.hint-callout .mat-icon-button:hover { color: #fff; }

/* ------------------------------------------------------------------ Attention flash */
.flash { animation: flash 1.2s ease-out; }
tr.flash td, .mat-form-field.flash .field-wrapper { animation: flash 1.2s ease-out; }
@keyframes flash { 0% { background-color: rgba(255,152,0,.45); } 100% { background-color: transparent; } }

/* ------------------------------------------------------------------ Responsive helpers */
.show-mobile { display: none !important; }
@media (max-width: 900px) {
  :root { --toolbar-height: 56px; }
  body { overflow: auto; }
  .app { min-height: 100%; height: auto; }
  .mat-toolbar { padding: 0 4px; }
  .mat-toolbar .toolbar-title { font-size: 16px; margin: 0 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1 1 auto; min-width: 0; }
  .mat-raised-button, .mat-button { padding: 0 10px; min-width: 0; }
  .hide-mobile, .btn-text { display: none !important; }
  .mat-toolbar .show-mobile { display: inline-flex !important; }
  .mat-icon-button { width: 40px; height: 40px; padding: 8px; }
  .avatar-button { width: 36px; height: 36px; margin-left: 4px; }
  .avatar-button .material-icons { font-size: 36px; }
  .drawer { width: min(320px, 85vw); }
  .snackbar { min-width: 0; width: calc(100% - 32px); }
  .dialog { margin: 0 16px; }
}