/* ==========================================================================
   2. RESET & BASE
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--body-md-size);
  line-height: var(--body-md-lh);
  color: var(--on-background);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, p, figure, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--secondary); text-decoration-thickness: 1px; text-underline-offset: 2px; }
svg { display: block; flex: none; }
:where(button, a, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--secondary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--stack-md); top: -100px; z-index: 999;
  background: var(--primary); color: var(--on-primary);
  padding: 10px 16px; border-radius: var(--radius); font-weight: 600;
  transition: top var(--motion-fast);
}
.skip-link:focus { top: var(--stack-md); }

/* --- Type utilities ------------------------------------------------------ */
.t-display    { font-size: var(--display-size); line-height: var(--display-lh); font-weight: var(--display-weight); letter-spacing: var(--display-ls); }
.t-headline-lg{ font-size: var(--headline-lg-size); line-height: var(--headline-lg-lh); font-weight: var(--headline-lg-weight); letter-spacing: var(--headline-lg-ls); }
.t-headline-md{ font-size: var(--headline-md-size); line-height: var(--headline-md-lh); font-weight: var(--headline-md-weight); }
.t-body-lg    { font-size: var(--body-lg-size); line-height: var(--body-lg-lh); font-weight: var(--body-lg-weight); }
.t-body-md    { font-size: var(--body-md-size); line-height: var(--body-md-lh); font-weight: var(--body-md-weight); }
.t-label-sm   { font-size: var(--label-sm-size); line-height: var(--label-sm-lh); font-weight: var(--label-sm-weight); letter-spacing: var(--label-sm-ls); text-transform: uppercase; }
.t-mono       { font-family: var(--font-mono); font-variant-ligatures: none; }
.t-num        { font-variant-numeric: tabular-nums; }
.muted        { color: var(--on-surface-variant); }

.stack-sm { display: flex; flex-direction: column; gap: var(--stack-sm); }
.stack-md { display: flex; flex-direction: column; gap: var(--stack-md); }
.stack-lg { display: flex; flex-direction: column; gap: var(--stack-lg); }
.row { display: flex; align-items: center; gap: var(--stack-sm); flex-wrap: wrap; }
.row--tight { gap: 6px; }

/* ==========================================================================
   3. APP SHELL & LAYOUT
   ========================================================================== */
.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  transition: grid-template-columns 0.2s ease;
}
.app.sidebar-collapsed {
  grid-template-columns: 0 minmax(0, 1fr);
}

/* --- Sidebar ------------------------------------------------------------- */
.sidebar {
  background: var(--primary);
  color: var(--inverse-on-surface);
  display: flex; flex-direction: column;
  padding: var(--stack-md) 12px;
  gap: var(--stack-md);
  position: sticky; top: 0; height: 100vh;
  z-index: 40;
  transition: transform 0.2s ease, opacity 0.2s ease, width 0.2s ease;
}
.app.sidebar-collapsed .sidebar {
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  width: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden !important;
}
.brand { display: flex; align-items: center; gap: 12px; padding: 8px 8px 0; }
.brand__logo {
  height: 24px; width: auto; max-width: 80px; object-fit: contain; flex: none;
}
.brand__mark {
  width: 36px; height: 36px; border-radius: var(--radius-md);
  background: var(--secondary-fixed-dim); color: var(--on-secondary-fixed);
  display: grid; place-items: center; flex: none;
}
.brand__name { font-size: var(--body-lg-size); font-weight: 700; letter-spacing: -0.01em; color: #fff; }
.brand__meta { font-size: 11px; line-height: 14px; color: var(--on-primary-container); }

.topbar__brand {
  display: none; align-items: center; gap: 8px; margin-left: 8px;
}
.sidebar-collapsed .topbar__brand {
  display: flex;
}
@media (max-width: 900px) {
  .topbar__brand { display: flex; }
}
.topbar__brand-link {
  display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit;
}
.topbar__logo {
  height: 24px; width: auto; max-width: 80px; object-fit: contain; flex: none;
}
.topbar__app-title {
  font-size: 14px; font-weight: 700; color: var(--on-surface); letter-spacing: -0.01em; white-space: nowrap;
}
.topbar__app-sub {
  font-size: 13px; font-weight: 500; color: var(--on-surface-variant);
}
@media (max-width: 640px) {
  .topbar__app-sub { display: none; }
}

.auth__logo-container {
  background: #ffffff;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.auth__logo {
  height: 44px; width: auto; max-width: 130px; object-fit: contain; display: block;
}
.auth__card-header {
  display: flex; align-items: center; margin-bottom: 6px;
}
.auth__card-logo {
  height: 44px; width: auto; max-width: 135px; object-fit: contain; display: block;
}

.nav-group { display: flex; flex-direction: column; gap: 2px; }
.nav-group + .nav-group { margin-top: var(--stack-md); }
.nav-group__title {
  font-size: var(--label-sm-size); line-height: var(--label-sm-lh); font-weight: var(--label-sm-weight);
  letter-spacing: var(--label-sm-ls); text-transform: uppercase;
  color: var(--on-primary-container); padding: 0 12px var(--stack-sm);
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius-full);
  background: none; border: 0; width: 100%; text-align: left; cursor: pointer;
  color: var(--primary-fixed); font-size: var(--body-md-size); font-weight: 500;
  text-decoration: none;
  transition: background var(--motion-fast), color var(--motion-fast);
}
.nav-item:hover { background: rgba(163, 202, 244, .10); color: #fff; }
.nav-item[aria-current="page"], .nav-item.active {
  background: var(--primary-container); color: #fff; font-weight: 600;
}
.nav-item__badge {
  margin-left: auto; font-size: 11px; font-weight: 700; font-variant-numeric: tabular-nums;
  background: var(--secondary-fixed-dim); color: var(--on-secondary-fixed);
  border-radius: var(--radius-full); padding: 1px 8px;
}
.nav-item__badge--alert { background: var(--error-container); color: var(--on-error-container); }

.sidebar__foot { margin-top: auto; display: flex; flex-direction: column; gap: var(--stack-sm); }
.gateway-card {
  background: var(--primary-container); border-radius: var(--radius-md);
  padding: 12px; display: flex; flex-direction: column; gap: 6px;
}
.gateway-card__row { display: flex; align-items: center; gap: 8px; }
.gateway-card__label { font-size: 11px; letter-spacing: .05em; text-transform: uppercase; font-weight: 600; color: var(--on-primary-container); }
.gateway-card__value { font-size: var(--body-md-size); font-weight: 600; color: #fff; }
.meter { height: 4px; border-radius: var(--radius-full); background: rgba(255,255,255,.16); overflow: hidden; }
.meter__fill { height: 100%; background: var(--secondary-fixed-dim); border-radius: inherit; }

/* --- Main column --------------------------------------------------------- */
.main-col { display: flex; flex-direction: column; min-width: 0; min-height: 100vh; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: var(--gutter);
  padding: 12px var(--container-padding);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--outline-variant);
}
.topbar__spacer { margin-left: auto; }
.content { padding: var(--container-padding); display: flex; flex-direction: column; gap: var(--stack-sm); }

.page-head { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--gutter); }
.page-head__text { min-width: 0; }
.page-head__actions { margin-left: auto; display: flex; gap: var(--stack-sm); flex-wrap: wrap; }

.gateway-pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 10px;
  border-radius: var(--radius-full); background: var(--secondary-fixed); color: var(--on-secondary-fixed-variant);
  font-size: var(--label-sm-size); font-weight: 600; border: 1px solid var(--secondary-fixed-dim);
}
.gateway-pill .dot { width: 8px; height: 8px; border-radius: var(--radius-full); background: var(--secondary); animation: pulse 2s ease-in-out infinite; }
.org-select { min-width: 260px; }

/* Row Menu (Actions dropdown) */
.row-menu { position: relative; }
.row-menu[data-open="true"] { z-index: 30; }
.row-menu__list {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 31; min-width: 200px;
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md); box-shadow: var(--elev-3); padding: 6px; display: none;
}
.row-menu[data-open="true"] .row-menu__list { display: block; }
.row-menu--up .row-menu__list {
  top: auto;
  bottom: calc(100% + 6px);
}
.row-menu__item {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px;
  background: none; border: 0; border-radius: var(--radius); cursor: pointer;
  font-size: var(--body-md-size); color: var(--on-surface); text-align: left;
}
.row-menu__item:hover { background: var(--surface-container-high); }
.row-menu__item--danger { color: var(--on-error-container); }

/* Backdrop for dismissing dropdown menus on outside click */
.row-menu-backdrop {
  position: fixed; inset: 0; z-index: 29;
  background: transparent; cursor: default;
}

/* Scrim & Mobile toggle */
.scrim { position: fixed; inset: 0; background: rgba(0, 31, 54, .4); z-index: 50; display: none; }
.scrim.is-open, .scrim[data-visible="true"] { display: block; }
.menu-toggle {
  display: inline-flex !important;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--on-surface-variant);
  border-radius: var(--radius-full);
}
.menu-toggle:hover {
  background: var(--surface-container-high);
  color: var(--on-surface);
}
.sidebar-close-btn {
  display: none;
  margin-left: auto;
  color: var(--on-primary-container);
  background: none;
  border: 0;
  cursor: pointer;
  border-radius: var(--radius-full);
  padding: 6px;
}
.sidebar-close-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   4. COMPONENTS
   ========================================================================== */

/* --- 4.1 Buttons --------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 40px; padding: 0 20px;
  border-radius: var(--radius-full); border: 1px solid transparent;
  font-size: var(--body-md-size); font-weight: 600; line-height: 1;
  cursor: pointer; white-space: nowrap; text-decoration: none;
  transition: background var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast), box-shadow var(--motion-fast);
}
.btn:disabled, .btn[aria-disabled="true"] { opacity: .38; pointer-events: none; }
.btn--filled { background: var(--primary); color: var(--on-primary); }
.btn--filled:hover { background: var(--primary-container); }
.btn--tonal { background: var(--secondary-fixed); color: var(--on-secondary-fixed-variant); }
.btn--tonal:hover { background: var(--secondary-fixed-dim); }
.btn--outlined { background: transparent; color: var(--on-surface-variant); border-color: var(--outline-variant); }
.btn--outlined:hover { background: var(--surface-container-high); color: var(--on-surface); }
.btn--text { background: transparent; color: var(--secondary); padding: 0 12px; border: 0; }
.btn--text:hover { background: var(--surface-container-high); }
.btn--danger { background: var(--error-container); color: var(--on-error-container); }
.btn--danger:hover { background: color-mix(in srgb, var(--error-container) 70%, var(--error)); }
.btn--sm { min-height: 32px; padding: 0 14px; font-size: var(--label-sm-size); }
.btn--block { width: 100%; }
.btn--lg { min-height: 48px; font-size: var(--body-lg-size); }
.icon-btn {
  display: inline-grid; place-items: center; width: 40px; height: 40px; flex: none;
  border-radius: var(--radius-full); border: 0; background: transparent;
  color: var(--on-surface-variant); cursor: pointer; position: relative;
  transition: background var(--motion-fast), color var(--motion-fast);
}
.icon-btn:hover { background: var(--surface-container-high); color: var(--on-surface); }
.icon-btn--sm { width: 32px; height: 32px; }
.icon-btn__dot {
  position: absolute; transform: translate(11px, -10px);
  width: 8px; height: 8px; border-radius: var(--radius-full);
  background: var(--error); border: 2px solid var(--surface);
}

/* --- 4.2 Form controls --------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field__label {
  font-size: var(--label-sm-size); line-height: var(--label-sm-lh); font-weight: var(--label-sm-weight);
  letter-spacing: var(--label-sm-ls); text-transform: uppercase; color: var(--on-surface-variant);
}
.field__control { position: relative; display: flex; align-items: center; }
.field__control > svg:first-child {
  position: absolute; left: 12px; color: var(--on-surface-variant); pointer-events: none; z-index: 1;
}
.field__control:has(> svg:first-child) .input { padding-left: 40px; }
.input, .select, .textarea {
  width: 100%; min-height: 44px; padding: 10px 14px;
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant); border-radius: var(--radius);
  color: var(--on-surface); font-size: var(--body-md-size);
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast), background var(--motion-fast);
}
.input::placeholder { color: var(--outline); }
.input:hover, .select:hover { border-color: var(--outline); }
.input:focus, .select:focus, .textarea:focus {
  outline: none; border-color: var(--secondary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--secondary) 22%, transparent);
}
.select {
  appearance: none; padding-right: 40px; cursor: pointer;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2342474e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
}
.field__hint { font-size: var(--label-sm-size); line-height: var(--label-sm-lh); color: var(--on-surface-variant); }
.field--invalid .input, .field--invalid .select { border-color: var(--error); background: color-mix(in srgb, var(--error-container) 35%, var(--surface-container-lowest)); }
.field--invalid .field__label { color: var(--on-error-container); }
.field__error { display: none; align-items: center; gap: 6px; font-size: var(--label-sm-size); line-height: var(--label-sm-lh); color: var(--on-error-container); font-weight: 500; }
.field--invalid .field__error { display: flex; }

.checkbox { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: var(--body-md-size); color: var(--on-surface-variant); }
.checkbox input { appearance: none; width: 20px; height: 20px; flex: none; margin: 0;
  border: 2px solid var(--outline); border-radius: var(--radius-sm);
  background: var(--surface-container-lowest); cursor: pointer; display: grid; place-items: center;
  transition: background var(--motion-fast), border-color var(--motion-fast); }
.checkbox input::after {
  content: ""; width: 10px; height: 10px; transform: scale(0);
  clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
  background: var(--on-primary); transition: transform var(--motion-fast);
}
.checkbox input:checked { background: var(--primary); border-color: var(--primary); }
.checkbox input:checked::after { transform: scale(1); }

/* --- 4.3 Filter chips ---------------------------------------------------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  min-height: 32px; padding: 0 12px;
  border: 1px solid var(--outline-variant); border-radius: var(--radius);
  background: var(--surface-container-lowest); color: var(--on-surface-variant);
  font-size: var(--body-md-size); font-weight: 500; cursor: pointer;
  transition: background var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast);
}
.chip:hover { background: var(--surface-container-high); }
.chip[aria-pressed="true"], .chip--selected {
  background: var(--secondary-fixed); border-color: var(--secondary-fixed-dim);
  color: var(--on-secondary-fixed-variant); font-weight: 600;
}
.chip__remove {
  display: grid; place-items: center; width: 18px; height: 18px; margin-right: -4px;
  border: 0; border-radius: var(--radius-full); background: transparent; color: inherit; cursor: pointer;
}
.chip__remove:hover { background: color-mix(in srgb, var(--on-surface) 12%, transparent); }
.chip-rail { display: flex; flex-wrap: wrap; gap: var(--stack-sm); align-items: center; }
.chip-rail:empty::after { content: "No filters applied. Showing all documents."; color: var(--on-surface-variant); font-size: var(--body-md-size); }

/* --- 4.4 Cards & Tags ---------------------------------------------------- */
.card {
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg);
  padding: var(--container-padding);
}
.card--flush { padding: 0; overflow: hidden; }
.card__head {
  display: flex; align-items: center; gap: var(--gutter);
  padding: var(--gutter) var(--container-padding);
  border-bottom: 1px solid var(--outline-variant);
}
.card__head h2, .card__head h3 { min-width: 0; }
.card__head .card__actions { margin-left: auto; display: flex; gap: var(--stack-sm); align-items: center; }
.card__body { padding: var(--container-padding); }

.doc-tag {
  display: inline-flex; align-items: center; padding: 2px 8px; border-radius: var(--radius-sm);
  font-size: 11px; line-height: 16px; font-weight: 600; letter-spacing: .02em;
  background: var(--surface-container-high); color: var(--on-surface-variant);
  border: 1px solid var(--outline-variant);
}

/* --- 4.4 Status Badges --------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 10px 3px 8px; border-radius: var(--radius-full);
  font-size: var(--label-sm-size); line-height: var(--label-sm-lh); font-weight: 600;
  white-space: nowrap; border: 1px solid transparent;
}
.badge::before { content: ""; width: 7px; height: 7px; border-radius: var(--radius-full); background: currentColor; flex: none; }
.badge--cleared   { background: var(--secondary-fixed); color: var(--on-secondary-fixed-variant); border-color: var(--secondary-fixed-dim); }
.badge--warning   { background: var(--tertiary-fixed); color: var(--on-tertiary-fixed-variant); border-color: var(--tertiary-fixed-dim); }
.badge--pending   { background: var(--surface-container-high); color: var(--on-surface-variant); border-color: var(--outline-variant); }
.badge--rejected  { background: var(--error-container); color: var(--on-error-container); border-color: color-mix(in srgb, var(--error) 30%, transparent); }
.badge--draft     { background: var(--surface-container-low); color: var(--outline); border-color: var(--outline-variant); }
.badge--live::before { animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }

/* --- 4.5 Stat Cards ------------------------------------------------------ */
.stat-grid { display: grid; gap: var(--gutter); grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat {
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--radius-lg); padding: 20px; display: flex; flex-direction: column; gap: 10px;
  position: relative; overflow: hidden;
}
.stat::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--secondary);
}
.stat--warn::after { background: var(--tertiary-container); }
.stat--error::after { background: var(--error); }
.stat__label { display: flex; align-items: center; gap: 8px; color: var(--on-surface-variant); }
.stat__value { font-size: var(--display-size); line-height: var(--display-lh); font-weight: var(--display-weight); letter-spacing: var(--display-ls); font-variant-numeric: tabular-nums; }
.stat__value .cur { font-size: var(--headline-md-size); font-weight: 600; color: var(--on-surface-variant); margin-right: 4px; }
.stat__foot { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.delta {
  display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px;
  border-radius: var(--radius-full); font-size: var(--label-sm-size); font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.delta--up { background: var(--secondary-fixed); color: var(--on-secondary-fixed-variant); }
.delta--down { background: var(--error-container); color: var(--on-error-container); }
.delta--flat { background: var(--surface-container-high); color: var(--on-surface-variant); }

/* --- 4.6 2:1 Layout & Chart ---------------------------------------------- */
.grid-2-1 { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: var(--gutter); align-items: start; }
.chart-wrap { display: flex; flex-direction: column; gap: var(--gutter); }
.chart-legend { display: flex; gap: var(--gutter); flex-wrap: wrap; }
.legend-item { display: inline-flex; align-items: center; gap: 8px; font-size: var(--body-md-size); color: var(--on-surface-variant); }
.legend-swatch { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.chart svg { width: 100%; height: auto; }
.chart .grid-line { stroke: var(--outline-variant); stroke-width: 1; stroke-dasharray: 3 4; }
.chart .axis-text { fill: var(--on-surface-variant); font-size: 11px; font-family: var(--font-sans); }
.chart .bar { fill: var(--secondary-fixed-dim); transition: fill var(--motion-fast); cursor: pointer; }
.chart .bar:hover { fill: var(--secondary); }
.chart .bar--alt { fill: var(--tertiary-fixed-dim); }
.chart .latency-line { fill: none; stroke: var(--primary); stroke-width: 2.5; stroke-linejoin: round; stroke-linecap: round; }
.chart .latency-dot { fill: var(--surface-container-lowest); stroke: var(--primary); stroke-width: 2.5; }
.chart .latency-area { fill: url(#latencyFade); }

/* --- 4.7 Activity Feed & Queue ------------------------------------------- */
.cell-stack { display: flex; flex-direction: column; gap: 2px; }
.cell-stack__sub { font-size: var(--label-sm-size); line-height: var(--label-sm-lh); color: var(--on-surface-variant); }
.activity-item { display: flex; align-items: center; gap: var(--gutter); padding: 12px var(--container-padding); border-bottom: 1px solid var(--surface-container-high); }
.activity-item:last-child { border-bottom: 0; }
.activity-item__body { min-width: 0; flex: 1; }

.tick { width: 20px; height: 20px; border-radius: var(--radius-full); display: grid; place-items: center; background: var(--secondary); color: var(--on-secondary); flex: none; }
.tick--error { background: var(--error); color: var(--on-error); }
.tick--warn { background: var(--tertiary-container); color: var(--on-tertiary); }
.spinner {
  width: 20px; height: 20px; border-radius: var(--radius-full);
  border: 2.5px solid var(--surface-container-highest); border-top-color: var(--secondary);
  animation: spin .9s linear infinite; flex: none;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- 4.8 Quick Actions --------------------------------------------------- */
.quick-actions { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gutter); }
.quick-action {
  display: flex; align-items: center; gap: 12px; padding: var(--gutter);
  border: 1px solid var(--outline-variant); border-radius: var(--radius-md);
  background: var(--surface-container-lowest); cursor: pointer; text-align: left;
  font-size: var(--body-md-size); font-weight: 600; color: var(--on-surface);
  transition: border-color var(--motion-fast), background var(--motion-fast);
}
.quick-action:hover { border-color: var(--secondary); background: var(--surface-container-low); }
.quick-action__icon { width: 36px; height: 36px; border-radius: var(--radius); display: grid; place-items: center; background: var(--secondary-fixed); color: var(--on-secondary-fixed-variant); flex: none; }
.quick-action small { display: block; font-weight: 400; color: var(--on-surface-variant); font-size: var(--label-sm-size); line-height: var(--label-sm-lh); }

/* --- 4.9 Data Table & Advanced Multi-Filter ------------------------------ */
.table-scroll { overflow-x: auto; min-height: 200px; }
table.data { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
table.data caption { text-align: left; padding: 0 var(--container-padding) var(--stack-sm); color: var(--on-surface-variant); }
table.data th, table.data td { padding: 12px var(--gutter); text-align: left; vertical-align: middle; }
table.data thead th {
  position: sticky; top: 0; z-index: 1;
  background: var(--surface-container-low);
  font-size: var(--label-sm-size); line-height: var(--label-sm-lh); font-weight: var(--label-sm-weight);
  letter-spacing: var(--label-sm-ls); text-transform: uppercase; color: var(--on-surface-variant);
  border-bottom: 1px solid var(--outline-variant); white-space: nowrap;
}
table.data tbody tr { border-bottom: 1px solid var(--surface-container-high); }
table.data tbody tr:hover { background: var(--surface-container-low); }
table.data tbody tr[aria-selected="true"] { background: color-mix(in srgb, var(--secondary-fixed) 45%, var(--surface-container-lowest)); }
table.data td.num, table.data th.num { text-align: right; }
.uuid { font-family: var(--font-mono); font-size: var(--label-sm-size); color: var(--on-surface-variant); }

.bulk-bar {
  display: none; align-items: center; gap: 12px;
  padding: 10px var(--container-padding);
  background: var(--primary); color: var(--inverse-on-surface);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 12px rgba(0, 31, 54, 0.25);
}
.bulk-bar[data-visible="true"] { display: flex; }

.bulk-bar__count {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: var(--body-md-size); font-weight: 500;
  color: #ffffff;
}
.bulk-bar__badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 24px; height: 24px; padding: 0 8px;
  border-radius: var(--radius-full);
  background: var(--secondary-fixed-dim); color: var(--on-secondary-fixed);
  font-size: var(--label-sm-size); font-weight: 700;
}
.bulk-bar__divider {
  width: 1px; height: 22px; background: rgba(255, 255, 255, 0.22);
  margin: 0 2px;
}

/* Standout Primary Submit to ASP button */
.bulk-bar .btn--asp-submit {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
  color: #001f36 !important;
  font-weight: 700;
  font-size: var(--body-md-size);
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 2px 8px rgba(2, 132, 199, 0.45);
  padding: 0 18px;
  gap: 8px;
}
.bulk-bar .btn--asp-submit svg {
  color: #001f36;
  transition: transform var(--motion-fast);
}
.bulk-bar .btn--asp-submit:hover:not(:disabled) {
  background: linear-gradient(135deg, #7dd3fc 0%, #0ea5e9 100%);
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.6);
  transform: translateY(-1px);
}
.bulk-bar .btn--asp-submit:hover:not(:disabled) svg {
  transform: translateY(-1px);
}
.bulk-bar .btn--asp-submit:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 1px 3px rgba(2, 132, 199, 0.3);
}
.bulk-bar .btn--asp-submit:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

/* Spinner inside button during submission */
.btn__spinner {
  width: 14px; height: 14px; flex: none;
  border: 2px solid rgba(0, 31, 54, 0.25);
  border-top-color: #001f36;
  border-radius: 50%;
  animation: btn-spin 0.75s linear infinite;
}
@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

.bulk-bar .btn--outlined { color: var(--primary-fixed); border-color: var(--on-primary-fixed-variant); }
.bulk-bar .btn--outlined:hover { background: var(--primary-container); color: #fff; }
.bulk-bar .btn--clear {
  margin-left: auto;
  color: var(--primary-fixed);
  border-color: rgba(206, 229, 255, 0.35);
}
.bulk-bar .btn--clear:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.55);
}

.row-menu__item--asp {
  color: #0284c7;
  font-weight: 600;
}
.row-menu__item--asp svg {
  color: #0284c7;
}
.row-menu__item--asp:hover {
  background: #f0f9ff;
  color: #0369a1;
}

.pagination {
  display: flex; align-items: center; gap: var(--gutter); flex-wrap: wrap;
  padding: 12px var(--container-padding); border-top: 1px solid var(--outline-variant);
  background: var(--surface-container-low);
}
.pagination__pages { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.page-btn {
  min-width: 32px; height: 32px; padding: 0 8px; border-radius: var(--radius);
  border: 1px solid transparent; background: transparent; color: var(--on-surface-variant);
  font-size: var(--body-md-size); font-weight: 500; cursor: pointer; font-variant-numeric: tabular-nums;
}
.page-btn:hover { background: var(--surface-container-high); }
.page-btn[aria-current="page"] { background: var(--primary); color: var(--on-primary); font-weight: 600; }
.page-btn:disabled { opacity: 0.38; pointer-events: none; }

.filter-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gutter); }
#customRange { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
#customRange .input { flex: 1; min-width: 0; }

.autocomplete { position: relative; }
.autocomplete__list {
  position: absolute; inset: calc(100% + 4px) 0 auto 0; z-index: 50; display: none;
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md); box-shadow: var(--elev-3); max-height: 260px; overflow: auto; padding: 6px;
}
.autocomplete[data-open="true"] .autocomplete__list { display: block; }
.autocomplete__option {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px;
  border: 0; background: none; border-radius: var(--radius); cursor: pointer; text-align: left;
}
.autocomplete__option:hover, .autocomplete__option[aria-selected="true"] { background: var(--surface-container-high); }

.dropdown-backdrop {
  position: fixed; inset: 0; width: 100vw; height: 100vh;
  z-index: 45; background: transparent; cursor: default;
}

.multiselect { position: relative; }
.multiselect[data-open="true"] { z-index: 46; }
.multiselect__panel {
  position: absolute; inset: calc(100% + 4px) 0 auto 0; z-index: 50; display: none;
  background: var(--surface-container-lowest); border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md); box-shadow: var(--elev-3); padding: 10px;
  max-height: 280px; overflow-y: auto;
}
.multiselect[data-open="true"] .multiselect__panel { display: flex; flex-direction: column; gap: 6px; }
.multiselect__item-row {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 4px 6px; border-radius: var(--radius-sm); cursor: pointer;
  transition: background var(--motion-fast);
}
.multiselect__item-row:hover { background: var(--surface-container-high); }

.autocomplete[data-open="true"] { z-index: 46; }

/* ==========================================================================
   5. AUTHENTICATION SCREEN
   ========================================================================== */
.auth { display: grid; min-height: 100vh; grid-template-columns: 1.05fr 1fr; }

.auth__showcase {
  background: var(--primary); color: var(--primary-fixed);
  padding: var(--stack-lg) clamp(24px, 5vw, 64px);
  display: flex; flex-direction: column; gap: var(--stack-lg);
  position: relative; overflow: hidden;
}
.auth__showcase::before {
  content: ""; position: absolute; width: 620px; height: 620px; right: -240px; top: -200px;
  background: radial-gradient(circle, rgba(88, 202, 253, .18), transparent 62%);
  pointer-events: none;
}
.auth__showcase > * { position: relative; }
.auth__brand { display: flex; align-items: center; gap: 12px; }
.auth__lede { max-width: 30ch; color: #fff; }
.auth__sub { max-width: 46ch; color: var(--on-primary-container); }

.trust-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--gutter); }
.trust {
  border: 1px solid var(--on-primary-fixed-variant); border-radius: var(--radius-md);
  padding: 14px; background: rgba(255, 255, 255, .04);
}
.trust__value { font-size: var(--headline-md-size); line-height: var(--headline-md-lh); font-weight: 700; color: #fff; font-variant-numeric: tabular-nums; }
.trust__label { font-size: 11px; line-height: 15px; color: var(--on-primary-container); margin-top: 2px; }

.clearance-diagram {
  border: 1px solid var(--on-primary-fixed-variant); border-radius: var(--radius-lg);
  padding: var(--gutter); background: rgba(0, 0, 0, .18); margin-top: auto;
}
.clearance-diagram__title { display: flex; align-items: center; gap: 8px; color: var(--primary-fixed-dim); margin-bottom: 12px; }
.flow { display: flex; align-items: stretch; gap: 6px; }
.flow__node {
  flex: 1; min-width: 0; border-radius: var(--radius); padding: 10px 8px; text-align: center;
  background: rgba(163, 202, 244, .08); border: 1px solid transparent;
  transition: background var(--motion-base), border-color var(--motion-base), color var(--motion-base);
}
.flow__node.is-lit { background: var(--secondary-fixed-dim); border-color: #fff; color: var(--on-secondary-fixed); }
.flow__node span { display: block; font-size: 11px; line-height: 14px; font-weight: 600; }
.flow__node small { display: block; font-size: 10px; line-height: 13px; opacity: .75; margin-top: 2px; }
.flow__arrow { display: grid; place-items: center; color: var(--on-primary-container); }

.compliance-badges { display: flex; flex-wrap: wrap; gap: var(--stack-sm); }
.compliance-badges .doc-tag { background: rgba(163, 202, 244, .12); border-color: var(--on-primary-fixed-variant); color: var(--primary-fixed); }

.auth__panel {
  display: grid; place-items: center; padding: var(--stack-lg) var(--container-padding);
  background: var(--surface);
}
.auth__card { width: min(440px, 100%); display: flex; flex-direction: column; gap: var(--stack-md); }
.auth__form { display: flex; flex-direction: column; gap: var(--stack-md); }
.auth__row { display: flex; align-items: center; justify-content: space-between; gap: var(--gutter); flex-wrap: wrap; }
.divider { display: flex; align-items: center; gap: 12px; color: var(--on-surface-variant); }
.divider::before, .divider::after { content: ""; height: 1px; flex: 1; background: var(--outline-variant); }
.sso-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--stack-sm); }
.sso-btn {
  display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 12px 8px;
  border: 1px solid var(--outline-variant); border-radius: var(--radius-md);
  background: var(--surface-container-lowest); color: var(--on-surface-variant);
  font-size: var(--label-sm-size); font-weight: 600; cursor: pointer;
  transition: border-color var(--motion-fast), background var(--motion-fast);
}
.sso-btn:hover { border-color: var(--secondary); background: var(--surface-container-low); color: var(--on-surface); }
.password-toggle { position: absolute; right: 6px; }
.field__control:has(.password-toggle) .input { padding-right: 48px; }

/* ==========================================================================
   6. DIALOGS & OTP MODAL
   ========================================================================== */
dialog {
  border: 0; padding: 0; background: transparent;
  max-width: 100vw; max-height: 100vh;
}
dialog::backdrop {
  background: rgba(0, 31, 54, .55); backdrop-filter: blur(4px);
}
.modal {
  width: min(520px, calc(100vw - 32px));
  background: var(--surface-container-lowest);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-xl);
  box-shadow: var(--elev-3);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.modal__head {
  display: flex; align-items: flex-start; gap: var(--gutter);
  padding: 20px var(--container-padding);
  border-bottom: 1px solid var(--outline-variant);
}
.modal__head .icon-btn { margin-left: auto; }
.modal__body { padding: var(--container-padding); display: flex; flex-direction: column; gap: var(--gutter); }
.modal__foot {
  display: flex; align-items: center; justify-content: flex-end; gap: var(--stack-sm);
  padding: 16px var(--container-padding);
  background: var(--surface-container-low);
  border-top: 1px solid var(--outline-variant);
}
.otp-row { display: flex; gap: var(--stack-sm); justify-content: space-between; }
.otp-input {
  width: 52px; height: 60px; text-align: center; font-size: var(--headline-md-size); font-weight: 700;
  border: 1px solid var(--outline-variant); border-radius: var(--radius-md);
  background: var(--surface-container-lowest); font-variant-numeric: tabular-nums;
}
.otp-input:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--secondary) 22%, transparent); }
.otp-input[data-filled="true"] { border-color: var(--secondary); background: var(--secondary-fixed); }

/* ==========================================================================
   7. TOAST NOTIFICATIONS
   ========================================================================== */
.toast-region {
  position: fixed; right: var(--container-padding); bottom: var(--container-padding); z-index: 200;
  display: flex; flex-direction: column; gap: var(--stack-sm); pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: flex; align-items: center; gap: 10px; padding: 12px 16px;
  border-radius: var(--radius-md); background: var(--inverse-surface);
  color: var(--inverse-on-surface); font-size: var(--body-md-size); font-weight: 500;
  box-shadow: var(--elev-3); animation: slide-in var(--motion-base);
}
@keyframes slide-in { from { transform: translateY(12px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ==========================================================================
   KEY-VALUE DEFINITION LIST & DETAIL ROWS
   ========================================================================== */
.kv {
  display: grid; grid-template-columns: minmax(120px, 0.4fr) 1fr; gap: 0;
  font-size: var(--body-md-size); line-height: var(--body-md-lh);
}
.kv dt {
  padding: 10px 12px 10px 0; color: var(--on-surface-variant);
  font-weight: 500; font-size: var(--label-sm-size);
  text-transform: uppercase; letter-spacing: var(--label-sm-ls);
  border-bottom: 1px solid var(--outline-variant);
  display: flex; align-items: center;
}
.kv dd {
  padding: 10px 0; margin: 0;
  border-bottom: 1px solid var(--outline-variant);
  display: flex; align-items: center; gap: 6px;
  min-width: 0; word-break: break-word;
}
.kv dt:last-of-type, .kv dd:last-of-type { border-bottom: none; }

/* Metric tile — compact stat inside a detail card */
.metric-tile {
  display: flex; flex-direction: column; gap: 2px;
  padding: 12px 14px; border-radius: var(--radius-md);
  background: var(--surface-container-low);
  border: 1px solid var(--outline-variant);
}
.metric-tile__label {
  font-size: var(--label-sm-size); font-weight: 600;
  color: var(--on-surface-variant); text-transform: uppercase;
  letter-spacing: var(--label-sm-ls);
}
.metric-tile__value {
  font-size: var(--headline-md-size); font-weight: 700;
  color: var(--on-surface); line-height: var(--headline-md-lh);
}
.metric-tile__value--mono { font-family: var(--font-mono); }
.metric-tile__value--accent { color: var(--secondary); }
.metric-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 8px; }

.filter-grid-5 {
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px;
}

/* ==========================================================================
   8. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1200px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quick-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-2-1 { grid-template-columns: minmax(0, 1fr); }
  .filter-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filter-grid-5 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 768px) {
  .filter-grid-5 { grid-template-columns: minmax(0, 1fr); }
}
/* ==========================================================================
   PIPELINE / STEPPER & LIVE QUEUE
   ========================================================================== */
.pipeline { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; list-style: none; padding: 0; margin: 0; }
.stage {
  display: flex; flex-direction: column; gap: 10px; padding: var(--gutter);
  border-radius: var(--radius-md); background: var(--surface-container-low);
  border: 1px solid var(--outline-variant); position: relative;
}
.stage__track { height: 6px; border-radius: var(--radius-full); background: var(--surface-container-highest); overflow: hidden; }
.stage__track i { display: block; height: 100%; background: var(--outline-variant); border-radius: inherit; transition: width var(--motion-base); }
.stage__index {
  width: 24px; height: 24px; border-radius: var(--radius-full); display: grid; place-items: center;
  font-size: var(--label-sm-size); font-weight: 700; background: var(--surface-container-highest); color: var(--on-surface-variant); flex: none;
}
.stage__name { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: var(--body-md-size); }
.stage__meta { font-size: var(--label-sm-size); line-height: var(--label-sm-lh); color: var(--on-surface-variant); }
.stage[data-state="done"] { background: var(--secondary-fixed); border-color: transparent; }
.stage[data-state="done"] .stage__index { background: var(--secondary); color: var(--on-secondary); }
.stage[data-state="done"] .stage__track i { background: var(--secondary); width: 100%; }
.stage[data-state="active"] { background: var(--surface-container-lowest); border-color: var(--secondary); box-shadow: var(--elev-2); }
.stage[data-state="active"] .stage__index { background: var(--secondary); color: var(--on-secondary); }
.stage[data-state="active"] .stage__track i { background: var(--secondary); animation: indeterminate 1.6s ease-in-out infinite; }
.stage[data-state="warning"] { background: var(--tertiary-fixed); border-color: var(--tertiary-fixed-dim); }
.stage[data-state="warning"] .stage__index { background: var(--tertiary-container); color: var(--on-tertiary); }
.stage[data-state="warning"] .stage__track i { background: var(--tertiary-container); width: 100%; }
.stage[data-state="error"] { background: var(--error-container); border-color: var(--error); }
.stage[data-state="error"] .stage__index { background: var(--error); color: var(--on-error); }
.stage[data-state="error"] .stage__track i { background: var(--error); width: 100%; }
@keyframes indeterminate { 0% { width: 12%; } 50% { width: 82%; } 100% { width: 12%; } }

@media (max-width: 1024px) {
  .auth { grid-template-columns: minmax(0, 1fr); }
  .auth__showcase { display: none; }
  .pipeline { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .pipeline { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 900px) {
  .app { grid-template-columns: minmax(0, 1fr) !important; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 60; width: var(--sidebar-width) !important;
    transform: translateX(-100%) !important; transition: transform var(--motion-base);
    visibility: visible !important; opacity: 1 !important; pointer-events: auto !important;
    padding: var(--stack-md) 12px !important;
    margin: 0 !important;
    overflow-y: auto !important;
  }
  .sidebar.is-open, .sidebar[data-open="true"] {
    transform: none !important;
    box-shadow: var(--elev-3);
  }
  .sidebar-close-btn { display: inline-flex; }
  .menu-toggle { display: inline-flex !important; }
  :root { --container-padding: 16px; }
  .t-display { font-size: 28px; line-height: 36px; }
  .t-headline-lg { font-size: var(--headline-lg-m-size); line-height: var(--headline-lg-m-lh); }
  .stat__value { font-size: 28px; line-height: 36px; }
  .filter-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .stat-grid, .quick-actions, .sso-grid, .trust-grid { grid-template-columns: minmax(0, 1fr); }
  .activity-item { flex-direction: column; align-items: flex-start; gap: 8px; }
  .otp-input { width: 100%; height: 52px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}