/* ==========================================================================
   Main Street Byte portal: shared tokens + base components.
   Load order: tokens.css, then owner.css OR admin.css (never both).
   CSP-safe: same-origin fonts, no data: URIs, no @import, no external URLs.
   Breakpoints (custom properties cannot be used in @media, keep in sync):
     sm  = 40rem  (mobile below 40rem)
     lg  = 64rem  (desktop at 64rem and up)
   ========================================================================== */

/* ---- Fonts (self-hosted in wwwroot/fonts/) ---- */
@font-face { font-family: "Geist"; src: url("../fonts/Geist-normal-400.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Geist Mono"; src: url("../fonts/GeistMono-normal-500.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("../fonts/InstrumentSerif-normal-400.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Instrument Serif"; src: url("../fonts/InstrumentSerif-italic-400.woff2") format("woff2"); font-weight: 400; font-style: italic; font-display: swap; }

:root {
  color-scheme: light;

  /* ---- Brand palette (raw, from mainstreetbyte.com). Prefer semantic tokens below. ---- */
  --ink: #0f1218; --ink2: #2a2f3a; --mute: #5d6472;
  --paper: #f4f1eb; --paper2: #ebe6dc; --white: #ffffff;
  --cobalt: #2c46f5; --cobalt2: #1f35d4; --tint: #e3e7ff;
  --mint: #3ad29f; --line: #ddd6c9;

  /* ---- Semantic colors (ratios: see portal-design-spec.md section 1) ---- */
  --color-bg: #f4f1eb;               /* page background */
  --color-surface: #ffffff;          /* cards, inputs, tables */
  --color-surface-2: #ebe6dc;        /* neutral fills, neutral badge */
  --color-surface-alt: #faf8f4;      /* zebra rows */
  --color-surface-hover: #f1eee7;    /* row / list hover */
  --color-text: #0f1218;
  --color-text-2: #2a2f3a;           /* secondary text, nav links */
  --color-text-muted: #5d6472;       /* hints, meta. Min 4.78:1 on any light surface */
  --color-border: #ddd6c9;           /* dividers only (decorative, 1.44:1) */
  --color-border-strong: #7d8391;    /* control borders (3.80:1 on white) */
  --color-action: var(--ink);
  --color-action-hover: var(--ink2);
  --color-action-active: #1a1e27;
  --color-primary: #2c46f5;
  --color-primary-hover: #1f35d4;
  --color-primary-active: #1a2db5;
  --color-primary-subtle: #e3e7ff;
  --color-on-primary: #ffffff;
  --color-link: #1f35d4;
  --color-focus: #2c46f5;            /* on light bg; on dark bars use --color-focus-on-dark */
  --color-focus-on-dark: #ffffff;
  --color-success-text: #0b6b47; --color-success-bg: #e4f6ee; --color-success-border: #b7e4cf;
  --color-warning-text: #8a4b00; --color-warning-bg: #fdf1dc; --color-warning-border: #f2d29b;
  --color-danger: #b42318;           /* solid danger button bg */
  --color-danger-hover: #912018;
  --color-danger-text: #a11d14; --color-danger-bg: #fdeceb; --color-danger-border: #f4c7c3;
  --color-info-text: #1f35d4; --color-info-bg: #e3e7ff; --color-info-border: #c4ccff;
  --color-accent: #3ad29f;           /* mint: decorative dots/underlines on dark only. Never text on light. */
  --color-disabled-bg: #e9e5dd; --color-disabled-text: #6b717d;

  /* ---- Type ---- */
  --font-sans: "Geist", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, Menlo, Consolas, monospace;
  --font-display: "Instrument Serif", Georgia, serif;   /* owner h1 + auth card titles only */
  --text-xs: 0.75rem;    --lh-xs: 1rem;
  --text-sm: 0.875rem;   --lh-sm: 1.25rem;
  --text-base: 1rem;     --lh-base: 1.5rem;
  --text-lg: 1.125rem;   --lh-lg: 1.625rem;
  --text-xl: 1.25rem;    --lh-xl: 1.75rem;
  --text-2xl: 1.5rem;    --lh-2xl: 2rem;
  --text-3xl: 2rem;      --lh-3xl: 2.25rem;
  --weight-regular: 400; --weight-medium: 500; --weight-semibold: 600;

  /* ---- Spacing (4px base) ---- */
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem;

  /* ---- Radius ---- */
  --radius-sm: 0.25rem;  /* badges-square, code chips */
  --radius-md: 0.5rem;   /* buttons, inputs, list rows */
  --radius-lg: 0.75rem;  /* cards, alerts, empty states */
  --radius-pill: 999px;  /* status pills only */

  /* ---- Shadows (subtle; cards get xs only) ---- */
  --shadow-xs: 0 1px 2px rgba(15, 18, 24, 0.05);
  --shadow-sm: 0 1px 2px rgba(15, 18, 24, 0.06), 0 2px 8px rgba(15, 18, 24, 0.04);
  --shadow-bar: 0 -1px 0 #ddd6c9, 0 -4px 12px rgba(15, 18, 24, 0.06);

  /* ---- Controls (buttons + inputs share heights) ---- */
  --control-h: 2.5rem;        /* 40px */
  --control-h-sm: 2rem;       /* 32px */
  --control-h-touch: 2.75rem; /* 44px, below 40rem */
  --control-px: 1rem;
  --control-px-sm: 0.75rem;
  --control-font: 0.9375rem;  /* 15px */
  --control-font-sm: 0.8125rem;
  --field-max: 28rem;

  /* ---- Layout ---- */
  --page-max: 64rem;
  --form-max: 40rem;
  --auth-max: 26rem;
  --gutter: 1rem;
  --stack-gap: 1rem;
  --card-pad: 1.25rem;
}

@media (min-width: 40rem) { :root { --gutter: 1.5rem; --card-pad: 1.5rem; } }

/* ---- Base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  font: var(--weight-regular) var(--text-base)/var(--lh-base) var(--font-sans);
  color: var(--color-text); background: var(--color-bg);
}
main { flex: 1 0 auto; }
main:focus { outline: none; }
img, svg { display: block; max-width: 100%; }
p { margin: 0 0 var(--space-3); }
p:last-child { margin-bottom: 0; }
.email { overflow-wrap: anywhere; }
a { color: var(--color-link); text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }
code, kbd, .mono { font-family: var(--font-mono); font-weight: 500; font-size: 0.9em; font-variant-numeric: tabular-nums; }
hr { border: 0; border-top: 1px solid var(--color-border); margin: var(--space-6) 0; }

h1, h2, h3, h4 { margin: 0; color: var(--color-text); font-family: var(--font-sans); font-weight: var(--weight-semibold); letter-spacing: -0.01em; }
h1 { font-size: var(--text-2xl); line-height: var(--lh-2xl); }
h2 { font-size: var(--text-lg); line-height: var(--lh-lg); }
h3 { font-size: var(--text-base); line-height: var(--lh-base); }
.display { font-family: var(--font-display); font-weight: 400; font-size: var(--text-3xl); line-height: var(--lh-3xl); letter-spacing: -0.015em; }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }

.sr-only, .visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}
.skip { position: absolute; left: var(--space-3); top: -10rem; z-index: 100; padding: var(--space-2) var(--space-4);
  background: var(--color-surface); color: var(--color-text); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); font-weight: 600; }
.skip:focus { top: var(--space-3); }

/* ---- Layout primitives ---- */
.container { width: 100%; max-width: calc(var(--page-max) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.stack { display: grid; gap: var(--stack-gap); align-content: start; }
.stack-sm { display: grid; gap: var(--space-2); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.grid-auto { display: grid; gap: var(--stack-gap); grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
.page-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: start; gap: var(--space-4); margin-bottom: var(--space-6); }
.page-header > :first-child { min-width: 0; }
.page-header .lede { max-width: 40rem; }
@media (max-width: 39.99rem) {
  .page-header { grid-template-columns: 1fr; }
  .page-header > .badge { justify-self: start; align-self: start; }
  .page-actions { justify-content: flex-start; }
}
.eyebrow { margin: 0 0 var(--space-1); font-size: var(--text-xs); line-height: var(--lh-xs); font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-primary-hover); }
.lede { margin: var(--space-2) 0 0; color: var(--color-text-muted); font-size: var(--text-sm); line-height: var(--lh-sm); }
.muted, .hint { color: var(--color-text-muted); font-size: var(--text-sm); line-height: var(--lh-sm); }
.back-link { display: inline-flex; align-items: center; gap: var(--space-1); min-height: var(--control-h-sm); margin: 0 0 var(--space-3); font-size: var(--text-sm); color: var(--color-text-2); text-decoration: none; }
.back-link:hover { color: var(--color-link); text-decoration: underline; }

/* ==========================================================================
   Buttons. Inline + auto width by default. Never full width except the
   primary action of a form/auth card below 40rem (see bottom of section).
   ========================================================================== */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  width: auto; max-width: 100%; min-height: var(--control-h);
  margin: 0; padding: 0.375rem var(--control-px);
  font: var(--weight-semibold) var(--control-font)/1.25rem var(--font-sans);
  text-align: center; text-decoration: none; white-space: normal; vertical-align: middle;
  border: 1px solid transparent; border-radius: var(--radius-md);
  cursor: pointer; user-select: none;
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.btn:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }

/* One filled action color. Cobalt stays on links, focus, the current nav bar, the current step, and info pills. */
.btn-primary, .btn-dark { background: var(--color-action); border-color: var(--color-action); color: #fff; }
.btn-primary:hover, .btn-dark:hover { background: var(--color-action-hover); border-color: var(--color-action-hover); }
.btn-primary:active, .btn-dark:active { background: var(--color-action-active); border-color: var(--color-action-active); }

/* .btn-ghost = legacy alias from the PR10 stylesheet; migrate markup to .btn-secondary, then delete the alias. */
.btn-secondary, .btn-ghost { background: var(--color-surface); border-color: var(--color-border-strong); color: var(--color-text); }
.btn-secondary:hover, .btn-ghost:hover { background: var(--color-surface-hover); border-color: var(--color-text-muted); }
.btn-secondary:active, .btn-ghost:active { background: var(--color-surface-2); }

.btn-danger { background: var(--color-danger); border-color: var(--color-danger); color: #ffffff; }
.btn-danger:hover { background: var(--color-danger-hover); border-color: var(--color-danger-hover); }
.btn-danger-outline { background: var(--color-surface); border-color: var(--color-danger); color: var(--color-danger-text); }
.btn-danger-outline:hover { background: var(--color-danger-bg); }

.btn-link { background: transparent; border-color: transparent; color: var(--color-link); padding-inline: var(--space-2); }
.btn-link:hover { background: var(--color-primary-subtle); }
.btn-link.btn-muted { color: var(--color-text-2); }
.btn-link.btn-muted:hover { background: var(--color-surface-hover); color: var(--color-text); }

.btn-sm { min-height: var(--control-h-sm); padding: 0.25rem var(--control-px-sm); font-size: var(--control-font-sm); line-height: 1.125rem; gap: var(--space-1); }
.btn-sm.btn-link { padding-inline: var(--space-2); }

/* Disabled: exempt from contrast rules, still 3.90:1. */
.btn:disabled, .btn[aria-disabled="true"] {
  background: var(--color-disabled-bg); border-color: var(--color-disabled-bg); color: var(--color-disabled-text);
  cursor: not-allowed; pointer-events: none;
}
.btn-link:disabled, .btn-link[aria-disabled="true"] { background: transparent; border-color: transparent; }

/* Loading: server or a same-origin script sets aria-busy="true" + disabled. Label stays visible. */
.btn[aria-busy="true"] { cursor: progress; pointer-events: none; }
.btn[aria-busy="true"]::before {
  content: ""; flex: none; width: 1em; height: 1em;
  border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
}
@keyframes btn-spin { to { transform: rotate(360deg); } }

/* Button rows */
.btn-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); margin-top: var(--space-6); }
form.inline { display: inline-flex; margin: 0; }

/* Mobile: 44px targets + full-width primary in forms/auth only */
@media (max-width: 39.99rem) {
  .btn { min-height: var(--control-h-touch); }
  .btn-sm { min-height: var(--control-h-sm); }
  .btn-sm::after { content: ""; position: absolute; inset: -0.375rem 0; } /* 32px visual, 44px hit area */
  .form-actions { flex-direction: column; align-items: flex-start; }
  .form-actions > .btn-primary, .auth-card .form-actions > .btn-primary { width: 100%; }
}

/* ==========================================================================
   Forms
   ========================================================================== */
.field { display: grid; gap: var(--space-1); margin: 0 0 var(--space-5); }
.field:last-child { margin-bottom: 0; }
label, .label { display: block; font-size: var(--text-sm); line-height: var(--lh-sm); font-weight: 600; color: var(--color-text); }
.label-optional { font-weight: 400; color: var(--color-text-muted); }
.field-hint { margin: 0; font-size: var(--text-sm); line-height: var(--lh-sm); color: var(--color-text-muted); }
.field-error { margin: 0; font-size: var(--text-sm); line-height: var(--lh-sm); font-weight: 500; color: var(--color-danger-text); }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="tel"],
input[type="url"], input[type="search"], input[type="date"], input[type="time"], select, textarea, .input {
  display: block; width: 100%; max-width: var(--field-max);
  min-height: var(--control-h); margin: 0; padding: 0 var(--space-3);
  font: 400 var(--text-base)/1.5rem var(--font-sans); /* 16px stops iOS zoom */
  color: var(--color-text); background: var(--color-surface);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-md);
}
textarea { max-width: var(--form-max); min-height: 6rem; padding: var(--space-2) var(--space-3); resize: vertical; }
select { padding-right: var(--space-2); cursor: pointer; } /* native arrow kept: CSP blocks data: URI icons */
input:hover, select:hover, textarea:hover { border-color: var(--color-text-muted); }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--color-primary); outline: 2px solid var(--color-focus); outline-offset: 1px; }
[aria-invalid="true"] { border-color: var(--color-danger); }
input:disabled, select:disabled, textarea:disabled, input[readonly], textarea[readonly] { background: var(--color-surface-2); color: var(--color-text-muted); cursor: not-allowed; }
::placeholder { color: var(--color-text-muted); opacity: 1; }
input.w-xs { max-width: 6rem; } input.w-sm, select.w-sm { max-width: 10rem; } input.w-md, select.w-md { max-width: 16rem; }
input:-webkit-autofill { -webkit-text-fill-color: var(--color-text); box-shadow: 0 0 0 100rem var(--color-surface) inset; }

/* Checkbox + radio */
input[type="checkbox"], input[type="radio"] { width: 1.125rem; height: 1.125rem; margin: 0.1875rem 0 0; flex: none; accent-color: var(--color-primary); cursor: pointer; }
.check { display: flex; align-items: flex-start; gap: var(--space-2); min-height: var(--control-h-sm); padding-block: var(--space-1); }
.check label { font-weight: 400; font-size: var(--text-base); line-height: var(--lh-base); cursor: pointer; }
fieldset { border: 0; margin: 0 0 var(--space-5); padding: 0; min-width: 0; }
legend { padding: 0; margin-bottom: var(--space-2); font-size: var(--text-sm); font-weight: 600; }

/* Toggle: <input type="checkbox" role="switch" class="switch"> + visible label */
input.switch {
  appearance: none; -webkit-appearance: none; position: relative;
  width: 2.25rem; height: 1.25rem; margin: 0.125rem 0 0; border-radius: var(--radius-pill);
  background: var(--color-border-strong); border: 0; cursor: pointer; transition: background-color 0.12s ease;
}
input.switch::before {
  content: ""; position: absolute; top: 0.125rem; left: 0.125rem; width: 1rem; height: 1rem;
  border-radius: 50%; background: #ffffff; box-shadow: var(--shadow-xs); transition: transform 0.12s ease;
}
input.switch:checked { background: var(--color-primary); }
input.switch:checked::before { transform: translateX(1rem); }
input.switch:disabled { background: var(--color-disabled-bg); cursor: not-allowed; }

/* One-time code: ONE input (paste + iOS/Android autofill friendly) */
input.input-code {
  max-width: 14rem; min-height: 3rem; padding: 0 0 0 0.5em;
  font: 500 1.5rem/1 var(--font-mono); letter-spacing: 0.5em; text-align: center; font-variant-numeric: tabular-nums;
  border-color: var(--color-border-strong);
}
input.input-code:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 1px; }

/* Status region that only takes space when it has content */
.form-status:empty { display: none; }

/* ==========================================================================
   Cards, lists, facts
   ========================================================================== */
.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); box-shadow: var(--shadow-xs); padding: var(--card-pad); min-width: 0; }
.card-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-2) var(--space-3); margin-bottom: var(--space-4); }
.card-title { margin: 0; font-size: var(--text-lg); line-height: var(--lh-lg); font-weight: 600; }
.card-subtitle { margin: var(--space-4) 0 var(--space-2); font-size: var(--text-base); line-height: var(--lh-base); font-weight: 600; color: var(--color-text); }
.card-subtitle:first-child { margin-top: 0; }
.card-footer { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--color-border); }
/* Rule: never nest .card in .card. Use .list rows inside a card. */

.list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--color-border); }
.list-item { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-2) var(--space-4); padding: var(--space-3) 0; border-bottom: 1px solid var(--color-border); }
.list-item-main { min-width: 0; flex: 1 1 14rem; }
.list-item-title { display: block; margin: 0; font-size: var(--text-base); line-height: var(--lh-base); font-weight: 600; color: var(--color-text); }
.list-item-meta { display: block; margin: 0; font-size: var(--text-sm); line-height: var(--lh-sm); color: var(--color-text-muted); }
.list-item-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); flex: none; }
.card > .list:last-child { margin-bottom: calc(var(--space-3) * -1); border-bottom: 0; }
.card > .list:last-child > .list-item:last-child { border-bottom: 0; }
.list-flush { border-top: 0; }

/* Whole-row link: <li><a class="list-link" href="..."><span class="list-item-title">..</span><span class="list-item-meta">..</span></a></li> */
.list-link {
  display: grid; grid-template-columns: 1fr auto; column-gap: var(--space-3); align-items: center;
  margin-inline: calc(var(--space-3) * -1); padding: var(--space-3); border-radius: var(--radius-md);
  color: inherit; text-decoration: none;
}
.list-link > :not(.list-arrow) { grid-column: 1; }
.list-link::after { content: "\203A"; grid-column: 2; grid-row: 1 / span 2; font-size: var(--text-xl); line-height: 1; color: var(--color-text-muted); }
.list-link[target="_blank"]::after { content: "\2197"; font-size: var(--text-base); }
.list-link:hover { background: var(--color-surface-hover); }
.list-link:hover .list-item-title { color: var(--color-link); text-decoration: underline; }
.list > li:has(> .list-link) { border-bottom: 1px solid var(--color-border); padding-block: var(--space-1); }
.list-flush > li:last-child:has(> .list-link) { border-bottom: 0; padding-bottom: 0; }

dl.facts { display: grid; grid-template-columns: minmax(5rem, max-content) minmax(0, 1fr); gap: var(--space-2) var(--space-4); margin: 0; font-size: var(--text-sm); line-height: var(--lh-sm); }
dl.facts dt { color: var(--color-text-muted); font-weight: 500; }
dl.facts dd { margin: 0; color: var(--color-text); }
.facts + .alert { margin-top: var(--space-4); }
@media (max-width: 39.99rem) { dl.facts { grid-template-columns: 1fr; gap: 0; } dl.facts dd { margin-bottom: var(--space-2); } }

/* ==========================================================================
   Tables (base). Admin adds density + sticky header in admin.css.
   ========================================================================== */
.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-surface); }
table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: var(--text-sm); line-height: var(--lh-sm); }
caption { caption-side: top; text-align: left; padding: 0 0 var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }
th, td { padding: var(--space-3) var(--space-4); text-align: left; vertical-align: middle; border-bottom: 1px solid var(--color-border); }
th { font-size: var(--text-xs); line-height: var(--lh-xs); font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-text-muted); background: var(--color-bg); white-space: nowrap; }
tbody tr:last-child > * { border-bottom: 0; }
.num, td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.cell-actions { text-align: right; white-space: nowrap; width: 1%; }
.cell-actions .btn, .btn-sm { white-space: nowrap; }
.cell-actions form.inline + form.inline, .cell-actions .btn + form.inline, .cell-actions form.inline + .btn { margin-left: var(--space-1); }
td.mono, td .mono { font-size: 0.8125rem; }

/* ==========================================================================
   Alerts, badges, empty states
   ========================================================================== */
.alert { display: block; margin: 0 0 var(--space-4); padding: var(--space-3) var(--space-4); border: 1px solid; border-radius: var(--radius-lg); font-size: var(--text-sm); line-height: var(--lh-sm); }
.alert > :last-child { margin-bottom: 0; }
.alert-title { display: block; margin: 0 0 var(--space-1); font-weight: 600; }
.alert-success, .notice { color: var(--color-success-text); background: var(--color-success-bg); border-color: var(--color-success-border); }
.alert-warning { color: var(--color-warning-text); background: var(--color-warning-bg); border-color: var(--color-warning-border); }
.alert-danger, p.error, div.error { color: var(--color-danger-text); background: var(--color-danger-bg); border-color: var(--color-danger-border); }
.alert-info { color: var(--color-info-text); background: var(--color-info-bg); border-color: var(--color-info-border); }
/* legacy .notice / p.error get the alert box shape */
.notice, p.error, div.error { margin: 0 0 var(--space-4); padding: var(--space-3) var(--space-4); border: 1px solid; border-radius: var(--radius-lg); font-size: var(--text-sm); line-height: var(--lh-sm); font-weight: 500; }
.alert-danger ul, p.error ul { margin: var(--space-1) 0 0; padding-left: var(--space-5); }

.badge {
  display: inline-flex; align-items: center; gap: 0.375rem; min-height: 1.375rem; padding: 0 var(--space-2);
  border-radius: var(--radius-pill); font-size: var(--text-xs); line-height: var(--lh-xs); font-weight: 600; white-space: nowrap;
  background: var(--color-surface-2); color: var(--color-text-2);
}
.badge::before { content: ""; width: 0.375rem; height: 0.375rem; border-radius: 50%; background: currentColor; flex: none; }
.badge-plain::before { display: none; }
.badge-success { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-danger  { background: var(--color-danger-bg);  color: var(--color-danger-text); }
.badge-info    { background: var(--color-info-bg);    color: var(--color-info-text); }
.badge-neutral { background: var(--color-surface-2);  color: var(--color-text-2); }
/* Legacy status classes from PR10 markup */
.badge-status { display: inline-flex; align-items: center; min-height: 1.375rem; padding: 0 var(--space-2); border-radius: var(--radius-pill); font-size: var(--text-xs); font-weight: 600; background: var(--color-surface-2); color: var(--color-text-2); }
.badge-status.badge-active, .badge-status.badge-enabled { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-status.badge-invited, .badge-status.badge-approved { background: var(--color-info-bg); color: var(--color-info-text); }
.badge-status.badge-accepted { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-status.badge-none { background: var(--color-surface-2); color: var(--color-text-2); }
.badge-status.badge-disabled, .badge-status.badge-revoked { background: var(--color-danger-bg); color: var(--color-danger-text); }
.badge-status.badge-archived { background: var(--color-surface-2); color: var(--color-text-2); }
.badge-status.badge-inactive, .badge-status.badge-flagged { background: var(--color-warning-bg); color: var(--color-warning-text); }
.badge-status.badge-open, .badge-status.badge-neutral { background: var(--color-surface-2); color: var(--color-text-2); }

.empty { margin: 0; padding: var(--space-8) var(--space-6); text-align: center; border: 1px dashed var(--color-border-strong); border-radius: var(--radius-lg); color: var(--color-text-muted); font-size: var(--text-sm); line-height: var(--lh-sm); }
.empty-title { display: block; margin: 0 0 var(--space-1); font-size: var(--text-base); line-height: var(--lh-base); font-weight: 600; color: var(--color-text); }
.empty .btn { margin-top: var(--space-4); }
.card .empty { padding: var(--space-6) var(--space-4); }

/* Collapsible sections (owner + admin): <details class="disclosure"><summary>Title</summary>...</details> */
details.disclosure > summary { display: flex; align-items: center; gap: var(--space-2); min-height: var(--control-h-sm); cursor: pointer; list-style: none; font-size: var(--text-sm); font-weight: 600; color: var(--color-text-2); }
details.disclosure > summary::-webkit-details-marker { display: none; }
details.disclosure > summary::before { content: "\25B8"; color: var(--color-text-muted); transition: transform 0.12s ease; }
details.disclosure[open] > summary::before { transform: rotate(90deg); }
details.disclosure > summary:hover { color: var(--color-text); }

/* Pager */
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: var(--space-4); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition: none !important; scroll-behavior: auto !important; }
}
@media (forced-colors: active) {
  .btn, .badge, .card, .alert, input.input-code, .chip, .sidebar { border: 1px solid CanvasText; }
  input.switch { border: 1px solid CanvasText; }
  .nav-link[aria-current="page"] { outline: 2px solid CanvasText; }
}

/* ==========================================================================
   App shell. Persistent sidebar from 64rem. Below that, a button opens the drawer.
   Without JS the nav stays in the page, above the content.
   ========================================================================== */
.shell { min-height: 100vh; }
.sidebar {
  --nav-icon: 1.25rem;
  --nav-gap: var(--space-3);
  --nav-pad: 0.75rem;
  display: flex; flex-direction: column; gap: var(--space-4);
  background: var(--color-surface); border-right: 1px solid var(--color-border);
  padding: var(--space-5) var(--space-3) var(--space-4);
}
.sidebar-brand {
  display: flex; align-items: center; gap: var(--space-3); min-height: 2.5rem;
  color: var(--color-text); text-decoration: none; font-weight: 600;
}
.sidebar-brand img { width: 2rem; height: 2rem; flex: none; border-radius: var(--radius-sm); }
.sidebar-brand .brand-name { min-width: 0; font-size: var(--text-sm); line-height: 1.25; white-space: normal; }
.shell-account { margin: 0; min-width: 0; }
.shell-account-kicker {
  display: block; margin: 0 0 var(--space-1);
  font-size: var(--text-xs); line-height: var(--lh-xs); font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted);
}
.shell-account-name {
  display: block; font-size: var(--text-sm); line-height: var(--lh-sm); font-weight: 600;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.nav-search { display: grid; gap: var(--space-1); }
.nav-search label { font-size: var(--text-xs); line-height: var(--lh-xs); }
.nav-search input { max-width: none; min-height: 2.25rem; font-size: var(--text-sm); }
.sidebar nav { display: grid; gap: var(--space-1); align-content: start; }
.nav-link {
  display: flex; align-items: center; gap: var(--nav-gap); min-height: 2.75rem; padding: 0.25rem var(--nav-pad);
  border-radius: var(--radius-md); color: var(--color-text-2); text-decoration: none;
  font-size: var(--text-sm); line-height: var(--lh-sm); font-weight: 500;
}
.nav-link:hover { background: var(--color-surface-hover); color: var(--color-text); text-decoration: none; }
.nav-link[aria-current="page"] {
  background: var(--color-surface-2); color: var(--color-text); font-weight: 600;
  box-shadow: inset 3px 0 0 var(--color-primary);
}
.nav-icon, .nav-chevron {
  width: var(--nav-icon); height: var(--nav-icon); flex: none;
  fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
.nav-chevron { width: 1rem; height: 1rem; margin-left: auto; color: var(--color-text-muted); transition: transform 0.12s ease; }
.nav-parent[open] > summary .nav-chevron,
.nav-section[open] > summary .nav-chevron { transform: rotate(180deg); }
.nav-section, .nav-parent { margin: 0; }
.nav-section > summary, .nav-parent > summary {
  display: flex; align-items: center; gap: var(--nav-gap); min-height: 2.75rem; padding: 0 var(--nav-pad);
  cursor: pointer; list-style: none; border-radius: var(--radius-md);
}
.nav-section > summary::-webkit-details-marker, .nav-parent > summary::-webkit-details-marker { display: none; }
.nav-section > summary::marker, .nav-parent > summary::marker { content: ""; }
.nav-section > summary {
  font-size: var(--text-xs); line-height: var(--lh-xs); font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--color-text-muted);
}
.nav-parent > summary {
  font-size: var(--text-sm); line-height: var(--lh-sm); font-weight: 500;
  letter-spacing: 0; text-transform: none; color: var(--color-text-2);
}
.nav-section > summary .nav-label, .nav-parent > summary .nav-label { flex: 1; min-width: 0; }
.nav-section > summary:hover, .nav-parent > summary:hover { background: var(--color-surface-hover); color: var(--color-text); }
.nav-section-body, .nav-sub { display: grid; gap: 0.125rem; }
.nav-sub > .nav-link { padding-left: calc(var(--nav-pad) + var(--nav-icon) + var(--nav-gap)); }
.sidebar-foot { margin-top: auto; display: grid; gap: var(--space-2); padding-top: var(--space-3); border-top: 1px solid var(--color-border); }
.sidebar-foot .nav-link,
.sidebar-foot .btn { padding-left: calc(var(--nav-pad) + var(--nav-icon) + var(--nav-gap)); }
.sidebar-foot .btn {
  width: 100%; justify-content: flex-start; border-color: transparent; background: transparent;
  font-weight: 500; min-height: 2.75rem;
}
.sidebar-foot .btn:hover, .sidebar-foot .btn:active { background: var(--color-surface-hover); border-color: transparent; color: var(--color-text); }
.shell-menu { display: none; }
html:not(.js) .shell-menu { display: none; }
.shell-menu:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -4px; }
.sidebar .nav-link:focus-visible, .sidebar summary:focus-visible { outline: 2px solid var(--color-focus); outline-offset: -2px; }
.hamburger, .hamburger::before, .hamburger::after {
  display: block; width: 1.125rem; height: 2px; background: currentColor; border-radius: 1px;
}
.hamburger { position: relative; color: var(--color-text); }
.hamburger::before, .hamburger::after { content: ""; position: absolute; left: 0; }
.hamburger::before { top: -6px; }
.hamburger::after { top: 6px; }
.shell-menu.is-open .hamburger { background: transparent; }
.shell-menu.is-open .hamburger::before,
.shell-menu.is-open .hamburger::after { top: 0; }
.shell-menu.is-open .hamburger::before { transform: rotate(45deg); }
.shell-menu.is-open .hamburger::after { transform: rotate(-45deg); }

@media (min-width: 64rem) {
  body.has-shell { display: block; }
  .shell {
    display: grid; grid-template-columns: 16.5rem minmax(0, 1fr);
    /* The sticky sidebar is one viewport tall. The column paint continues for the whole page. */
    background:
      linear-gradient(var(--color-border), var(--color-border)) calc(16.5rem - 1px) 0 / 1px 100% no-repeat,
      linear-gradient(var(--color-surface), var(--color-surface)) 0 0 / 16.5rem 100% no-repeat;
  }
  .sidebar { grid-column: 1; grid-row: 1; position: sticky; top: 0; height: 100dvh; min-height: 100dvh; overflow: auto; }
  .shell-body { grid-column: 2; grid-row: 1; display: flex; flex-direction: column; min-width: 0; min-height: 100dvh; }
}
@media (max-width: 63.99rem) {
  .shell-menu {
    position: sticky; top: 0; z-index: 50;
    display: flex; align-items: center; gap: var(--space-3);
    width: 100%; min-height: 3.25rem; margin: 0; padding: 0 var(--space-4);
    background: var(--color-surface); color: var(--color-text);
    border: 0; border-bottom: 1px solid var(--color-border);
    font: 600 var(--text-sm)/1.25rem var(--font-sans); cursor: pointer;
  }
  .js .sidebar { display: none; }
  .shell[data-drawer="open"] .sidebar {
    display: flex; position: fixed; z-index: 40; top: 3.25rem; bottom: 0; left: 0;
    width: min(18rem, 100%); overflow: auto; box-shadow: var(--shadow-sm);
  }
  .shell[data-drawer="open"]::before {
    content: ""; position: fixed; inset: 0; z-index: 30; background: rgb(15 18 24 / .45);
  }
}
html:has(.shell[data-drawer="open"]) { overflow: hidden; }
@media (max-width: 39.99rem) {
  .nav-link, .nav-section > summary, .nav-parent > summary, .nav-search input { min-height: 2.75rem; }
}

/* List pages: title and actions, search, filter chips, row count. */
.page-title-line { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2) var(--space-3); }
.page-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.list-tools { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--space-3) var(--space-4); margin: var(--space-8) 0 var(--space-4); }
.list-search { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--space-2); margin: 0; }
.list-search .field { margin: 0; }
.list-search input { width: min(100%, 18rem); }
.list-search .btn { min-height: var(--control-h); }
.chips { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: 0; padding: 0; list-style: none; }
.chip {
  display: inline-flex; align-items: center; min-height: 2rem; padding: 0 0.75rem;
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-pill);
  background: var(--color-surface); color: var(--color-text-2);
  font-size: var(--text-sm); line-height: var(--lh-sm); font-weight: 500; text-decoration: none;
}
.chip:hover { background: var(--color-surface-hover); color: var(--color-text); text-decoration: none; }
.chip[aria-current="true"] { background: var(--color-primary-subtle); border-color: var(--color-primary); color: var(--color-primary-hover); font-weight: 600; }
@media (max-width: 39.99rem) {
  .chip { min-height: var(--control-h-touch); }
  .list-search input, .list-search .btn { min-height: var(--control-h-touch); }
}
.table-foot {
  margin: 0; padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted); font-size: var(--text-sm); line-height: var(--lh-sm);
}
@media (max-width: 39.99rem) {
  table.table-cards thead {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
  }
  table.table-cards, table.table-cards tbody, table.table-cards tr, table.table-cards td { display: block; width: auto; }
  table.table-cards tr { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); }
  table.table-cards tr:last-child { border-bottom: 0; }
  table.table-cards td {
    display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: var(--space-2);
    padding: var(--space-1) 0; border: 0; white-space: normal;
  }
  table.table-cards td::before {
    content: attr(data-label);
    color: var(--color-text-muted); font-size: var(--text-xs); line-height: var(--lh-xs);
    font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  }
  table.table-cards td > * { grid-column: 2; }
  table.table-cards td > .badge { justify-self: start; }
  table.table-cards td::before { font-family: var(--font-sans); }
  table.table-cards tr > td { background: transparent; }
  table.table-cards td.cell-actions {
    display: flex; flex-wrap: wrap; gap: var(--space-3) var(--space-2); padding-top: var(--space-3);
  }
  table.table-cards td.cell-actions::before { content: none; }
  table.table-cards .cell-actions .btn, table.table-cards .cell-actions form.inline { margin: 0; }
  table.table-cards td:first-child { display: block; font-size: var(--text-base); font-weight: 600; }
  table.table-cards td:first-child::before { content: none; }
}
td.cell-when { white-space: nowrap; }
td.cell-customer { min-width: 14rem; }
td.cell-customer .email { overflow-wrap: normal; word-break: normal; }
@media (max-width: 39.99rem) {
  td.cell-customer .email { overflow-wrap: anywhere; }
}
@media (min-width: 64.01rem) {
  td.cell-customer .email { overflow-wrap: break-word; }
}
td.cell-name { min-width: 10rem; font-weight: 600; }
td.cell-name .list-item-meta { font-weight: 400; }
@media (min-width: 40rem) and (max-width: 64rem) {
  table.table-cards-lg thead {
    position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap;
  }
  table.table-cards-lg, table.table-cards-lg tbody, table.table-cards-lg tr { display: block; }
  table.table-cards-lg tr { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); }
  table.table-cards-lg td {
    display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: var(--space-3);
    padding: var(--space-1) 0; border: 0;
  }
  table.table-cards-lg td::before {
    content: attr(data-label); color: var(--color-text-muted);
    font: 600 var(--text-xs)/var(--lh-xs) var(--font-sans); letter-spacing: .04em; text-transform: uppercase;
  }
  table.table-cards-lg td > * { grid-column: 2; }
  table.table-cards-lg td .badge { justify-self: start; }
  table.table-cards-lg td:first-child { display: block; font-size: var(--text-base); font-weight: 600; }
  table.table-cards-lg td:first-child::before, table.table-cards-lg td.cell-actions::before { content: none; }
  table.table-cards-lg td.cell-actions { display: flex; flex-wrap: wrap; gap: var(--space-2); width: auto; padding-top: var(--space-3); }
}

/* Auth pages: brand above a centered card. No sidebar. */
.auth-frame { display: flex; flex-direction: column; align-items: center; padding: var(--space-6) var(--gutter) var(--space-16); }
.auth-footer { padding: var(--space-6) var(--gutter); text-align: center; font-size: var(--text-sm); color: var(--color-text-muted); }
.auth-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2) var(--space-3); }
.auth-footer a { color: var(--color-text-muted); }
.auth-mark { display: flex; align-items: center; gap: var(--space-3); margin: 0 0 var(--space-6); color: var(--color-text); font-weight: 600; }
.auth-mark img { width: 2.25rem; height: 2.25rem; border-radius: var(--radius-sm); }
body.has-shell .shell-body > main > .container,
body.has-shell .shell-body > footer .container { margin-inline: 0; max-width: 72rem; }
body.has-shell main { padding-block: var(--space-8) var(--space-12); }

/* The single code field is input.input-code above. The status region stays for aria-describedby and takes no space until an error is shown. */
.otp-status:not(:has(.error)) { height: 0; margin: 0; padding: 0; border: 0; overflow: hidden; }
.otp-status p.error { margin-bottom: 0; }
input.input-code[aria-invalid="true"] { background: var(--color-danger-bg); border-color: var(--color-danger); }
code.token { word-break: break-all; }
input.input-mono { font-family: var(--font-mono); font-weight: 500; letter-spacing: 0.04em; }