/* base2.css — Signal Artisan UI System
   Built on your existing color + font tokens, and extended with a layout / component system
   that enforces visual hierarchy, consistency, and responsive behavior.
*/

/* -----------------------------
   1) Design tokens
------------------------------ */
:root {
  --color-primary: #2A66B0;
  --color-primary-light: #84AEDC;
  --color-accent: #3B8686;

  --color-bg: #FFFFFF;
  --color-bg-card: #F7F8FA;

  --color-text: #1E1E1E;
  --color-text-secondary: #5B5B5B;

  --color-ok: #2ECC71;
  --color-warning: #F39C12;
  --color-alert: #E74C3C;

  /* Traffic light (bars + pills)
   Hex values are defined once here.
   Reuse via the semantic variables below.
*/
--color-neutral: #B8BDC6;

/* Light mode pill backgrounds (tints) */
--color-ok-bg-light: #DDF5E7;
--color-warning-bg-light: #FCE9C7;
--color-alert-bg-light: #F9D6D3;
--color-neutral-bg-light: #E7E9ED;

/* Light mode pill text (darker companions) */
--color-ok-text-light: #1F7A44;
--color-warning-text-light: #8A5A00;
--color-alert-text-light: #A83226;
--color-neutral-text-light: #3F444D;

/* Dark mode pill backgrounds + text (defined once; assigned in dark mode below) */
--color-ok-bg-dark: #1E3A2A;
--color-warning-bg-dark: #3A2E12;
--color-alert-bg-dark: #3A1E1C;
--color-neutral-bg-dark: #2E3138;

--color-ok-text-dark: #A7F3C5;
--color-warning-text-dark: #F7D38A;
--color-alert-text-dark: #F6B3AD;
--color-neutral-text-dark: #D5D9E0;

/* Active pill tokens (mode-aware mappings) */
--color-ok-bg: var(--color-ok-bg-light);
--color-warning-bg: var(--color-warning-bg-light);
--color-alert-bg: var(--color-alert-bg-light);
--color-neutral-bg: var(--color-neutral-bg-light);

--color-ok-text: var(--color-ok-text-light);
--color-warning-text: var(--color-warning-text-light);
--color-alert-text: var(--color-alert-text-light);
--color-neutral-text: var(--color-neutral-text-light);

/* Traffic light semantics (use these in components)
   - bar: saturated
   - pill: tinted background + readable text
*/
--sa-tl-bar-red: var(--color-alert);
--sa-tl-bar-yellow: var(--color-warning);
--sa-tl-bar-green: var(--color-ok);
--sa-tl-bar-grey: var(--color-neutral);

--sa-tl-pill-red-bg: var(--color-alert-bg);
--sa-tl-pill-yellow-bg: var(--color-warning-bg);
--sa-tl-pill-green-bg: var(--color-ok-bg);
--sa-tl-pill-grey-bg: var(--color-neutral-bg);

--sa-tl-pill-red-text: var(--color-alert-text);
--sa-tl-pill-yellow-text: var(--color-warning-text);
--sa-tl-pill-green-text: var(--color-ok-text);
--sa-tl-pill-grey-text: var(--color-neutral-text);


  /* Extended neutrals */
  --color-border: rgba(0,0,0,0.10);
  --color-border-strong: rgba(0,0,0,0.16);
  --color-shadow: rgba(0,0,0,0.08);
  --color-focus: rgba(42, 102, 176, 0.30);

  /* Typography */
  --font-sans: "Inter", "Segoe UI", Roboto, system-ui, -apple-system, sans-serif;

  /* Type scale (14 / 16 / 20 / 28) */
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-20: 1.25rem;
  --fs-28: 1.75rem;

  --lh-tight: 1.2;
  --lh-base: 1.5;

  /* Spacing scale (4 / 8 / 16 / 24 / 32) */
  --sp-4: 0.25rem;
  --sp-8: 0.5rem;
  --sp-16: 1rem;
  --sp-24: 1.5rem;
  --sp-32: 2rem;

  /* Radius */
  --r-8: 8px;
  --r-12: 12px;
  --r-16: 16px;

  /* Layout widths */
  --container-max: 1120px;

  /* App shell nav width */
  --app-nav-w: 240px;
  --app-nav-w-collapsed: 72px;

  /* Z layers */
  --z-header: 50;
  --z-drawer: 60;
}

/* Dark Mode support (keeps your intent) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #67A7E8;
    --color-accent: #77C6C6;
    --color-bg: #1C1C1E;
    --color-bg-card: #2B2B2E;
    --color-text: #F4F4F4;
    --color-text-secondary: #BBBBBB;

    --color-border: rgba(255,255,255,0.14);
    --color-border-strong: rgba(255,255,255,0.22);
    --color-shadow: rgba(0,0,0,0.45);
    --color-focus: rgba(103, 167, 232, 0.35);

    /* Traffic light pill mappings for dark mode */
    --color-ok-bg: var(--color-ok-bg-dark);
    --color-warning-bg: var(--color-warning-bg-dark);
    --color-alert-bg: var(--color-alert-bg-dark);
    --color-neutral-bg: var(--color-neutral-bg-dark);

    --color-ok-text: var(--color-ok-text-dark);
    --color-warning-text: var(--color-warning-text-dark);
    --color-alert-text: var(--color-alert-text-dark);
    --color-neutral-text: var(--color-neutral-text-dark);

  }
}

@font-face {
  font-family: "Inter";
  src: url("/static/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}

/* -----------------------------
   2) Base / reset
------------------------------ */
* { box-sizing: border-box; }
html { height: 100%; }
body {
  min-height: 100%;
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: var(--lh-base);
  font-size: var(--fs-16);
}

img { max-width: 100%; height: auto; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.hidden { display: none !important; }
.sr-only {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* -----------------------------
   3) Layout utilities
------------------------------ */
.sa-container {
  width: min(100%, var(--container-max));
  margin-inline: auto;
  padding-inline: var(--sp-16);
}

.sa-stack > * + * { margin-top: var(--sp-16); }
.sa-stack--sm > * + * { margin-top: var(--sp-8); }
.sa-row {
  display: flex;
  gap: var(--sp-16);
  align-items: center;
}
.sa-row--between { justify-content: space-between; }

.sa-grid { display: grid; gap: var(--sp-16); }
.sa-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.sa-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* -----------------------------
   4) Surface / Card / Dividers
------------------------------ */
.sa-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--r-12);
  box-shadow: 0 1px 2px var(--color-shadow);
  padding: var(--sp-16);
}

.sa-divider {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--sp-24) 0;
}

/* Account notifications */
.sa-notification-card {
  border-color: var(--color-border);
}

.sa-notification-card--success {
  border-color: color-mix(in srgb, var(--color-ok) 45%, var(--color-border));
}

.sa-notification-card--warning {
  border-color: color-mix(in srgb, var(--color-warning) 55%, var(--color-border));
}

.sa-notification-card__heading {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}

.sa-notification-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  flex: 0 0 auto;
  font-size: var(--fs-16);
  font-weight: 800;
  line-height: 1;
}

.sa-notification-card__icon--success::before {
  content: "✓";
  color: var(--color-ok);
}

.sa-notification-card__icon--warning::before {
  content: "⚠";
  color: var(--color-warning);
}

/* -----------------------------
   5) Typography helpers
------------------------------ */
.sa-h1 {
  font-size: var(--fs-28);
  line-height: var(--lh-tight);
  margin: 0;
  font-weight: 750;
  letter-spacing: -0.01em;
}
.sa-h2 {
  font-size: var(--fs-20);
  line-height: var(--lh-tight);
  margin: 0;
  font-weight: 700;
}
.sa-muted { color: var(--color-text-secondary); }
.sa-small { font-size: var(--fs-14); }

/* -----------------------------
   6) Buttons / Inputs (consistent, accessible)
------------------------------ */
.sa-btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--r-12);
  padding: 0.55rem 0.9rem;
  font: inherit;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none !important;
  user-select: none;
}
.sa-btn:disabled,
.sa-btn[aria-disabled="true"] {
  opacity: 0.6;
  cursor: not-allowed;
}

.sa-btn--primary {
  background: var(--color-primary);
  color: white;
}
.sa-btn--primary:hover { filter: brightness(0.95); }

.sa-btn--secondary {
  background: transparent;
  border-color: var(--color-border-strong);
  color: var(--color-text);
}
.sa-btn--secondary:hover { background: rgba(0,0,0,0.04); }

.sa-btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text);
}
.sa-btn--ghost:hover { background: rgba(0,0,0,0.04); }

.sa-input, .sa-select, .sa-textarea {
  width: 100%;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--r-12);
  padding: 0.6rem 0.75rem;
  font: inherit;
  background: var(--color-bg);
  color: var(--color-text);
}
.sa-textarea { min-height: 120px; resize: vertical; }

.sa-field { display: grid; gap: var(--sp-8); }
.sa-label { font-weight: 650; }

.sa-status-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: var(--fs-14);
  font-weight: 650;
  line-height: 1.15;
  border: 1px solid var(--color-border);
  background: var(--sa-tl-pill-grey-bg);
  color: var(--sa-tl-pill-grey-text);

  /* Prevent overlap in constrained table cells */
  max-width: 100%;
  white-space: normal;
  text-align: center;
  word-break: break-word;
}

.sa-status-pill--green {
  background: var(--sa-tl-pill-green-bg);
  color: var(--sa-tl-pill-green-text);
}
.sa-status-pill--yellow {
  background: var(--sa-tl-pill-yellow-bg);
  color: var(--sa-tl-pill-yellow-text);
}
.sa-status-pill--red {
  background: var(--sa-tl-pill-red-bg);
  color: var(--sa-tl-pill-red-text);
}
.sa-status-pill--grey {
  background: var(--sa-tl-pill-grey-bg);
  color: var(--sa-tl-pill-grey-text);
}

/* -----------------------------
   7) Header / Footer (shared)
------------------------------ */
.sa-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.sa-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-16);
  padding: 0.75rem 0;
}
.sa-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  color: var(--color-text);
  white-space: nowrap;
}
.sa-brand__mark {
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--color-primary);
  display: inline-block;
}
.sa-topnav {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
}
.sa-topnav a, .sa-topnav button {
  border-radius: 10px;
  padding: 0.45rem 0.65rem;
  color: var(--color-text);
}
.sa-topnav a:hover, .sa-topnav button:hover { background: rgba(0,0,0,0.04); text-decoration: none; }
.sa-topnav__active { background: rgba(42,102,176,0.10); color: var(--color-primary) !important; }

.sa-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--sp-24) 0;
  color: var(--color-text-secondary);
  font-size: var(--fs-14);
}

/* Header variants: stacked (public) */
.sa-header__inner--stacked {
  flex-direction: column;
  align-items: stretch;
}

.sa-header__brand-row {
  display: flex;
  justify-content: center;
}

/* Two-part menu row: nav + user actions */
.sa-header__menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-16);
  width: 100%;
  flex-wrap: wrap;
}

.sa-header__menu-row-nav {
  display: flex;
  justify-content: center;
  flex: 1;
}

.sa-header__menu-row-end {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-8);
}

/* Topnav list reset (removes bullets + default padding) */
ul.sa-topnav {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* Dropdown positioning */
.sa-topnav > li[role="none"] {
  position: relative;
}

.sa-topnav__dropdown {
  position: absolute;
  top: calc(100% + var(--sp-8));
  left: 0;
  min-width: 14rem;
  z-index: 70;
}
/* --- Topnav dropdown: ensure menu items stack vertically (not inline-wrapping) --- */
.sa-topnav__dropdown .sa-stack,
.sa-topnav__dropdown .sa-stack--sm {
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.sa-topnav__dropdown a,
.sa-topnav__dropdown button {
  display: block;
  width: 100%;
  text-align: left;
}

/* Comfortable tap targets + consistent hover surface inside dropdown */
.sa-topnav__dropdown a,
.sa-topnav__dropdown button {
  padding: 0.5rem 0.65rem;
  border-radius: 10px;
}

.sa-topnav__dropdown a:hover,
.sa-topnav__dropdown button:hover {
  background: rgba(0,0,0,0.04);
  text-decoration: none;
}

/* Mobile-safe sizing so dropdown doesn't feel like a wide "card" */
.sa-topnav__dropdown {
  min-width: 12rem;
  max-width: min(18rem, calc(100vw - (2 * var(--sp-16))));
}

/* -----------------------------
   App header layout (single row, full width)
------------------------------ */

.sa-header--app .sa-header__inner--app {
  display: grid;
  grid-template-columns: var(--app-nav-w) minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--sp-16);
  padding: 0.75rem var(--sp-16);
}

/* Left (brand) aligns with sidebar width */
.sa-appheader__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

/* Center: context + menus */
.sa-appheader__center {
  min-width: 0;
}

.sa-appheader__context {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  min-width: 0;
}

.sa-appheader__titles {
  display: grid;
  gap: var(--sp-4);
  min-width: 0;
}

.sa-appheader__title {
  font-size: var(--fs-20);
  line-height: var(--lh-tight);
  font-weight: 750;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sa-appheader__subtitle {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Menus live to the right of the title (desktop) */
.sa-appheader__menus {
  display: flex;
  align-items: center;
  min-width: 0;
}

/* Right: page actions then user menu */
.sa-appheader__end {
  display: flex;
  align-items: center;
  gap: var(--sp-16);
  justify-content: flex-end;
}

.sa-appheader__page-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  flex-wrap: nowrap;
}

/* Sidebar toggle (mobile only) */
.sa-appheader__drawer-toggle {
  display: none;
}

/* Mobile menus (hamburger + panel) */
.sa-appheader__menus-mobile {
  display: none;
  position: relative;
}

.sa-appheader__menus-panel {
  position: absolute;
  top: calc(100% + var(--sp-8));
  right: 0;
  min-width: 14rem;
  z-index: 70;
}

/* Sidebar hint padding (avoid inline styles) */
.sa-app__nav-hint {
  padding: 0 var(--sp-8);
}

/* -----------------------------
   Responsive behavior
------------------------------ */

@media (max-width: 1024px) {
  /* Keep header single row; allow center to shrink, show toggles */
  .sa-header--app .sa-header__inner--app {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
  }

  /* Hide desktop menus; show hamburger for menus */
  .sa-appheader__menus { display: none; }
  .sa-appheader__menus-mobile { display: inline-flex; }

  /* Show sidebar drawer toggle */
  .sa-appheader__drawer-toggle { display: inline-flex; }

  /* Reduce context crowding */
  .sa-appheader__context {
    gap: var(--sp-8);
  }
}

@media (max-width: 520px) {
  /* Allow actions to wrap less; keep compact */
  .sa-appheader__end {
    gap: var(--sp-8);
  }
}



/* -----------------------------
   8) Public pages: readable content column
------------------------------ */
.sa-reading {
  padding: var(--sp-32) 0;
}
.sa-reading__inner {
  width: min(100%, 760px);
  margin-inline: auto;
}
.sa-reading p { margin: 0; }
.sa-reading p + p { margin-top: var(--sp-16); }
.sa-reading h2 { margin-top: var(--sp-24); }

/* Row utility */
.sa-row--end { justify-content: flex-end; }

/* Tables (shared) */
.sa-table {
  width: 100%;
  border-collapse: collapse;
}

.sa-table th {
  text-align: left;
  padding: var(--sp-8) var(--sp-8);
  font-size: var(--fs-14);
  color: var(--color-text-secondary);
  font-weight: 650;
  border-bottom: 1px solid var(--color-border);
  vertical-align: bottom;
}

.sa-table td {
  padding: var(--sp-12) var(--sp-8);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.sa-table tbody tr:last-child td {
  border-bottom: 0;
}

.sa-table--compact th,
.sa-table--compact td {
  padding: var(--sp-8) var(--sp-8);
}


/* -----------------------------
   9) App shell: nav + content
------------------------------ */

/* Checkbox-driven mobile drawer toggle (no JS) */
.sa-nav-toggle { position: absolute; left: -9999px; }

/* App frame */
.sa-app {
  display: grid;
  grid-template-columns: var(--app-nav-w) minmax(0, 1fr);
  min-height: calc(100vh - 0px);
}

/* Left nav */
.sa-app__nav {
  border-right: 1px solid var(--color-border);
  background: var(--color-bg);
  padding: var(--sp-16) var(--sp-8);
}
.sa-sidenav {
  display: grid;
  gap: var(--sp-8);
}
.sa-sidenav__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--r-12);
  color: var(--color-text);
}
.sa-sidenav__item:hover { background: rgba(0,0,0,0.04); text-decoration: none; }
.sa-sidenav__item--active {
  background: rgba(42,102,176,0.10);
  color: var(--color-primary);
  font-weight: 650;
}

/* Main content area */
.sa-app__main {
  min-width: 0;
  padding: var(--sp-24) 0;
}
.sa-app__main-inner { padding-inline: var(--sp-16); }

/* Page header (inside main) */
.sa-pagehead {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--sp-16);
  margin-bottom: var(--sp-16);
}
.sa-pagehead__meta { display: grid; gap: var(--sp-8); }
.sa-pagehead__actions { display: flex; gap: var(--sp-8); flex-wrap: wrap; }

/* -----------------------------
   10) Metric builder layout helpers (3-column)
------------------------------ */
.sa-builder {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(320px, 1.1fr) minmax(380px, 1.6fr);
  gap: var(--sp-16);
  align-items: start;
}
.sa-panel {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-12);
  overflow: hidden;
}
.sa-panel__head {
  padding: 0.75rem 0.9rem;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg-card) 70%, var(--color-bg));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-8);
}
.sa-panel__body { padding: var(--sp-16); min-width: 0; }

/* -----------------------------
   10.5) Small UI utilities + menus (Dashboard)
------------------------------ */

.sa-hidden { display: none !important; }

/* Reorder mode: hide handles unless explicitly enabled */
.sa-reorder-handle { display: none; }
.sa-reorder-mode .sa-reorder-handle { display: inline-flex; }

/* Overflow menu */
.sa-menu { position: relative; display: inline-flex; }

.sa-menu__trigger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--r-12);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  cursor: pointer;
}
.sa-menu__trigger:hover {
  background: color-mix(in srgb, var(--color-bg-card) 65%, var(--color-bg));
}
.sa-menu__trigger:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.sa-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.4rem);
  min-width: 14rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--r-12);
  box-shadow: 0 16px 34px rgba(0,0,0,0.16);
  padding: 0.35rem;
  z-index: var(--z-popover);
}

.sa-menu__item {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-12);
  padding: 0.55rem 0.65rem;
  border-radius: var(--r-12);
  border: 0;
  background: transparent;
  color: var(--color-text);
  text-decoration: none;
  cursor: pointer;
  font-size: var(--fs-14);
}
.sa-menu__item:hover {
  background: color-mix(in srgb, var(--color-bg-card) 75%, var(--color-bg));
}
.sa-menu__item[disabled] {
  opacity: 0.6;
  cursor: not-allowed;
}
.sa-menu__item:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.sa-menu__divider {
  height: 1px;
  background: var(--color-border);
  margin: 0.35rem 0.25rem;
}

.sa-menu__hint {
  color: var(--color-text-secondary);
  font-size: var(--fs-14);
}

/* Status dots (Signal / Metric state cues) */
.sa-status-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  display: inline-block;
  border: 1px solid var(--color-border);
  background: var(--color-border);
}
.sa-status-dot--large {
  width: 1.05rem;
  height: 1.05rem;
}
.sa-status-dot--green { background: var(--color-ok); border-color: color-mix(in srgb, var(--color-ok) 70%, #000); }
.sa-status-dot--yellow { background: var(--color-warning); border-color: color-mix(in srgb, var(--color-warning) 70%, #000); }
.sa-status-dot--red { background: var(--color-alert); border-color: color-mix(in srgb, var(--color-alert) 70%, #000); }
.sa-status-dot--unknown { background: var(--color-border-strong); border-color: var(--color-border-strong); }

/* -----------------------------
   Toggle switch (Signals / Metrics)
   - Accessible checkbox + styled track
   - Size variants:
     - .sa-switch--lg (Signals)
     - .sa-switch--sm (Metrics)
   - ON state matches .sa-btn--primary via --color-primary
------------------------------ */

.sa-switch {
  --sw-h: 24px;
  --sw-w: 44px;
  --sw-pad: 3px;
  --sw-b: 2px;

  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-8);
}

.sa-switch__input {
  position: absolute;
  inset: 0;
  width: var(--sw-w);
  height: var(--sw-h);
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.sa-switch__track {
  position: relative;
  width: var(--sw-w);
  height: var(--sw-h);
  border-radius: 999px;
  box-sizing: border-box;
  background: color-mix(in srgb, var(--color-bg-card) 55%, var(--color-border-strong));
  border: var(--sw-b) solid var(--color-border-strong);
  transition: background 140ms ease, border-color 140ms ease;
  flex: 0 0 auto;
}

.sa-switch__track::after {
  content: "";
  position: absolute;
  top: calc(var(--sw-b) - 2px);
  left: var(--sw-b);
  width: calc(var(--sw-h) - (2 * var(--sw-b)));
  height: calc(var(--sw-h) - (2 * var(--sw-b)));
  border-radius: 999px;
  box-sizing: border-box;
  background: var(--color-bg);
  border: var(--sw-b) solid var(--color-border-strong);
  box-shadow: 0 1px 2px var(--color-shadow);
  transition: transform 160ms ease;
}

/* ON state uses primary button color */
.sa-switch__input:checked + .sa-switch__track {
  background: var(--color-primary);
  border: 2px solid color-mix(in srgb, var(--color-primary) 70%, #000);
}

.sa-switch__input:checked + .sa-switch__track::after {
  transform: translateX(calc(var(--sw-w) - var(--sw-h) - 2px));
}

.sa-switch__input:focus-visible + .sa-switch__track {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.sa-switch__input:disabled + .sa-switch__track {
  opacity: 0.6;
  cursor: not-allowed;
}

.sa-switch--lg {
  --sw-h: 30px;
  --sw-w: 56px;
  --sw-pad: 3px;
}

.sa-switch--sm {
  --sw-h: 20px;
  --sw-w: 36px;
  --sw-pad: 2px;
}

/* -----------------------------
   Disabled Signal card fill (darker grey)
------------------------------ */
.sa-card--disabled {
  background: color-mix(in srgb, var(--color-bg-card) 55%, var(--color-border-strong));
  border-color: var(--color-border-strong);
}

/* -----------------------------
   11) Responsive rules
------------------------------ */
@media (max-width: 1024px) {
  .sa-app { grid-template-columns: 1fr; }

  /* Convert sidenav to off-canvas drawer */
  .sa-app__nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: min(86vw, var(--app-nav-w));
    transform: translateX(-105%);
    transition: transform 180ms ease;
    z-index: var(--z-drawer);
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  }

  /* Drawer backdrop */
  .sa-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    opacity: 0;
    pointer-events: none;
    transition: opacity 180ms ease;
    z-index: calc(var(--z-drawer) - 1);
  }

  /* Toggle open */
  .sa-nav-toggle:checked ~ .sa-drawer-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
  .sa-nav-toggle:checked ~ .sa-app .sa-app__nav { transform: translateX(0%); }

  .sa-app__main { padding-top: var(--sp-16); }

  /* Metric builder collapses to stacked panels */
  .sa-builder { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .sa-header__inner { flex-wrap: wrap; }
  .sa-pagehead { flex-direction: column; align-items: stretch; }
  .sa-pagehead__actions { justify-content: flex-start; }
}

/* -----------------------------
   12) Pricing / Tiers (Public)
   Additive only — does not modify existing styles
------------------------------ */

/* Optional prose wrapper used by tiers page */
.sa-prose {
  display: grid;
  gap: var(--sp-16);
}

/* Hero band for sales messaging */
.sa-hero {
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--color-primary) 10%, var(--color-bg)) 0%,
    color-mix(in srgb, var(--color-accent) 10%, var(--color-bg)) 100%
  );
  border: 1px solid var(--color-border);
  border-radius: var(--r-16);
  padding: var(--sp-24);
  box-shadow: 0 10px 26px rgba(0,0,0,0.08);
}

.sa-hero__eyebrow {
  font-size: var(--fs-14);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: 750;
}

.sa-hero__title {
  margin: 0;
}

.sa-hero__subtitle {
  margin: 0;
  color: var(--color-text-secondary);
}

.sa-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-8);
}

.sa-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg) 80%, var(--color-bg-card));
  font-size: var(--fs-14);
  font-weight: 650;
  color: var(--color-text);
}

/* Plan table card wrapper */
.sa-pricing-card {
  padding: 0;
  overflow: hidden;
}

.sa-pricing-card__head {
  padding: var(--sp-16) var(--sp-16);
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-bg-card) 70%, var(--color-bg));
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-16);
  flex-wrap: wrap;
}

.sa-pricing-card__title {
  margin: 0;
}

.sa-pricing-card__hint {
  color: var(--color-text-secondary);
  font-size: var(--fs-14);
}

/* Pricing table: roomier + centered numeric columns */
.sa-table--pricing th,
.sa-table--pricing td {
  padding: var(--sp-12) var(--sp-16);
}

.sa-table--pricing th:nth-child(2),
.sa-table--pricing th:nth-child(3),
.sa-table--pricing td:nth-child(2),
.sa-table--pricing td:nth-child(3) {
  text-align: center;
  white-space: nowrap;
}

.sa-table--pricing td:nth-child(4) {
  white-space: nowrap;
}

/* Make each row feel clickable/highlighted */
.sa-table--pricing tbody tr {
  transition: background 120ms ease;
}
.sa-table--pricing tbody tr:hover {
  background: color-mix(in srgb, var(--color-bg-card) 70%, var(--color-bg));
}

/* “Up to X” pill for limits */
.sa-limit-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-bg));
  font-size: var(--fs-14);
  font-weight: 750;
}

/* CTA button variant: same base button, stronger presence */
/* CTA button variant: force primary + white text */
.sa-btn--cta {
  background: var(--color-primary) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 10px 18px rgba(42, 102, 176, 0.18);
}

.sa-btn--cta:hover {
  filter: brightness(0.96);
  transform: translateY(-1px);
}

.sa-btn--cta:active {
  transform: translateY(0px);
}

.sa-btn--cta:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-primary) 35%, #fff);
  outline-offset: 2px;
}

/* Make pricing CTA column align right (desktop) */
.sa-table--pricing th:last-child,
.sa-table--pricing td:last-child {
  text-align: right;
}

/* Small “recommended” highlight on row */
.sa-pricing-row--recommended {
  background: color-mix(in srgb, var(--color-primary) 6%, var(--color-bg));
}
.sa-pricing-row--recommended td:first-child {
  position: relative;
}
.sa-pricing-row--recommended td:first-child::before {
  content: "Recommended";
  display: inline-flex;
  align-items: center;
  margin-right: var(--sp-8);
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-primary) 15%, var(--color-bg));
  border: 1px solid var(--color-border);
  font-size: var(--fs-14);
  font-weight: 750;
  color: var(--color-primary);
}

/* Mobile: turn table into stacked rows */
@media (max-width: 720px) {
  .sa-table--pricing thead { display: none; }
  .sa-table--pricing,
  .sa-table--pricing tbody,
  .sa-table--pricing tr,
  .sa-table--pricing td {
    display: block;
    width: 100%;
  }
  .sa-table--pricing tr {
    border-bottom: 1px solid var(--color-border);
    padding: var(--sp-12) var(--sp-16);
  }
  .sa-table--pricing td {
    border: 0;
    padding: var(--sp-8) 0;
    text-align: left !important;
  }
  .sa-table--pricing td:last-child {
    padding-top: var(--sp-12);
  }
  .sa-table--pricing td[data-label]::before {
    content: attr(data-label);
    display: block;
    color: var(--color-text-secondary);
    font-size: var(--fs-14);
    font-weight: 650;
    margin-bottom: var(--sp-4);
  }
}

/* ---------------------------------
   Improve Plan Overview table spacing
   --------------------------------- */

.sa-pricing-card .sa-table--pricing {
  border-collapse: separate;
  border-spacing: 0;
}

.sa-pricing-card .sa-table--pricing th,
.sa-pricing-card .sa-table--pricing td {
  padding: 0.5rem;   /* stronger internal spacing */
  vertical-align: middle;
}

.sa-pricing-card .sa-table--pricing thead th {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}

.sa-pricing-card .sa-table--pricing tbody tr {
  border-top: 1px solid var(--color-border);
}

.sa-pricing-card .sa-table--pricing tbody tr:first-child {
  border-top: none;
}

/* Extra breathing room for plan name column */
.sa-pricing-card .sa-table--pricing td:first-child {
  padding-right: 0.5rem;
}

/* Ensure CTA column has visual separation */
.sa-pricing-card .sa-table--pricing td:last-child {
  padding-left: 1.0rem;
}

/* Honeypot fields: hidden from real users, available to bots in markup */
.sa-hp {
  display: none !important;
}

/* Message-card badge slot: keeps short status pills compact and prevents text wrapping. */
.sa-card__badge {
  flex: 0 0 auto;
}

.sa-status-pill--nowrap {
  max-width: none;
  min-width: max-content;
  white-space: nowrap;
  word-break: normal;
}

/* -----------------------------
   Shared busy overlay / loading state
   Used by Metric Builder, My Account service desk forms, and Contact form
------------------------------ */

.sa-mb-busy-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--color-bg) 72%, transparent);
  backdrop-filter: blur(2px);
}

.sa-mb-busy-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-12);
  min-width: 180px;
  padding: var(--sp-24);
  border: 1px solid var(--color-border);
  border-radius: var(--r-12);
  background: var(--color-bg);
  box-shadow: 0 8px 24px var(--color-shadow);
  color: var(--color-text);
}

.sa-mb-busy-spinner {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  animation: sa-mb-spin 0.9s linear infinite;
}

@keyframes sa-mb-spin {
  to { transform: rotate(360deg); }
}

.sa-btn.is-busy,
.sa-btn:disabled.is-busy {
  opacity: 0.7;
  cursor: wait;
}

.sa-mb-busy-gif {
  width: 64px;
  height: 64px;
  display: block;
  object-fit: contain;
}