/* =============================================================================
 * CortexBuild License Admin — enterprise design system
 * Brand tokens mirror website/assets/css/tokens.css. WCAG 2.1 AA:
 * body text >= 4.5:1, controls/large >= 3:1, visible :focus-visible, semantic
 * elements, status conveyed by icon + text (never colour alone), 44px targets.
 * ========================================================================== */
:root {
  --ink-900: #0B0E14; --ink-850: #0E121B; --ink-800: #11151F;
  --ink-750: #151B27; --ink-700: #1A2030; --ink-650: #212a3d;
  --primary-300: #A99CF5; --primary-400: #8B7CF0; --primary-500: #6C5CE7;
  --primary-600: #5A4BD6; --primary-700: #4838B8;
  --accent-400: #22D3EE; --accent-500: #06B6D4;
  --gradient: linear-gradient(135deg, #6C5CE7 0%, #22D3EE 100%);
  --n-0: #FFFFFF; --n-400: #8C99AD; --n-500: #64748B; --n-600: #465063;
  --text: #EAEFF7; --text-muted: #A6B1C2; --text-dim: #7E8A9C;
  --success: #34D399; --success-bg: rgba(52,211,153,0.12);
  --warning: #FBBF24; --warning-bg: rgba(251,191,36,0.12);
  --danger: #F87171; --danger-bg: rgba(248,113,113,0.12);
  --info: #38BDF8;
  --border: #232C3D; --border-strong: #313c52; --ring: rgba(34,211,238,0.55);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --fs-xs: 0.75rem; --fs-sm: 0.8125rem; --fs-base: 0.875rem; --fs-md: 1rem;
  --fs-lg: 1.125rem; --fs-xl: 1.375rem; --fs-2xl: 1.75rem;
  --sp-1: 0.25rem; --sp-2: 0.5rem; --sp-3: 0.75rem; --sp-4: 1rem;
  --sp-5: 1.5rem; --sp-6: 2rem; --sp-8: 3rem;
  --radius-sm: 6px; --radius: 10px; --radius-lg: 14px; --radius-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3); --shadow: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-lg: 0 18px 50px rgba(0,0,0,0.55); --sidebar-w: 256px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
[hidden] { display: none !important; }
body {
  font-family: var(--font-sans); font-size: var(--fs-base); color: var(--text);
  background:
    radial-gradient(1200px 600px at 100% -10%, rgba(108,92,231,0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(34,211,238,0.08), transparent 55%),
    var(--ink-900);
  line-height: 1.55; -webkit-font-smoothing: antialiased;
}
h1,h2,h3,h4 { line-height: 1.25; margin: 0; font-weight: 650; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: var(--accent-400); text-decoration: none; }
a:hover { text-decoration: underline; }
.skip-link { position: absolute; left: -999px; top: 0; z-index: 200; background: var(--primary-500); color: #fff; padding: 0.6rem 1rem; border-radius: 0 0 8px 0; font-weight: 600; }
.skip-link:focus { left: 0; }
:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; border-radius: 6px; }

.brand { display: inline-flex; align-items: center; gap: 0.6rem; font-weight: 700; letter-spacing: -0.02em; }
.brand__mark { width: 30px; height: 30px; border-radius: 8px; background: var(--gradient); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 0.85rem; box-shadow: 0 4px 14px rgba(108,92,231,0.5); flex: none; }
.brand__name { color: var(--n-0); }
.brand__name span { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }

.btn { --bg: var(--ink-700); --bd: var(--border-strong); --fg: var(--text); display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap; min-height: 40px; padding: 0 0.95rem; border-radius: var(--radius-sm); border: 1px solid var(--bd); background: var(--bg); color: var(--fg); transition: filter .15s, background .15s, border-color .15s, transform .05s; }
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn .icon { width: 16px; height: 16px; }
.btn--primary { --bg: var(--primary-500); --bd: var(--primary-600); --fg: #fff; }
.btn--primary:hover { --bg: var(--primary-400); }
.btn--gradient { background: var(--gradient); border: none; color: #fff; box-shadow: 0 6px 18px rgba(108,92,231,0.4); }
.btn--ghost { background: transparent; --bd: transparent; --fg: var(--text-muted); }
.btn--ghost:hover { background: var(--ink-700); --fg: var(--text); }
.btn--danger { background: transparent; --bd: var(--danger); --fg: #fca5a5; }
.btn--danger:hover { background: var(--danger); --fg: #fff; }
.btn--sm { min-height: 32px; padding: 0 0.6rem; font-size: var(--fs-sm); }
.btn--block { width: 100%; }
.btn__spin { width: 15px; height: 15px; border: 2px solid rgba(255,255,255,0.35); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }

.field { display: flex; flex-direction: column; gap: 0.3rem; margin-bottom: var(--sp-4); }
.field > label { font-size: var(--fs-sm); font-weight: 600; color: var(--text-muted); }
.field .hint { font-size: var(--fs-xs); color: var(--text-dim); }
.field .err { font-size: var(--fs-xs); color: var(--danger); display: none; align-items: center; gap: 0.3rem; }
.field.invalid .err { display: flex; }
input, select, textarea { font: inherit; width: 100%; color: var(--text); padding: 0.55rem 0.7rem; border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--ink-850); transition: border-color .15s, box-shadow .15s; }
input::placeholder, textarea::placeholder { color: var(--n-500); }
input:hover, select:hover, textarea:hover { border-color: var(--n-600); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary-400); box-shadow: 0 0 0 3px rgba(108,92,231,0.25); }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--danger); }
textarea { resize: vertical; min-height: 90px; font-family: var(--font-mono); font-size: var(--fs-sm); line-height: 1.5; }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--n-400) 50%), linear-gradient(135deg, var(--n-400) 50%, transparent 50%); background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 2rem; }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 1rem; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.card { background: linear-gradient(180deg, var(--ink-800), var(--ink-850)); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.card__head { padding: var(--sp-4) var(--sp-5); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); }
.card__head h3 { font-size: var(--fs-md); }
.card__body { padding: var(--sp-5); }
.muted { color: var(--text-muted); } .dim { color: var(--text-dim); }
.mono { font-family: var(--font-mono); font-size: var(--fs-sm); }
.stack { display: flex; flex-direction: column; gap: var(--sp-5); }
.row { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }
.spacer { flex: 1; }

.login { min-height: 100vh; display: grid; place-items: center; padding: var(--sp-5); }
.login__card { width: min(410px, 100%); padding: var(--sp-6); }
.login__brand { justify-content: center; font-size: 1.25rem; margin-bottom: 0.35rem; }
.login__sub { text-align: center; color: var(--text-muted); margin-bottom: var(--sp-5); font-size: var(--fs-sm); }

.shell { display: grid; grid-template-columns: var(--sidebar-w) 1fr; grid-template-rows: 64px 1fr; grid-template-areas: "brand top" "nav main"; min-height: 100vh; }
.shell__brandbar { grid-area: brand; display: flex; align-items: center; padding: 0 var(--sp-5); border-bottom: 1px solid var(--border); border-right: 1px solid var(--border); background: var(--ink-850); }
.shell__top { grid-area: top; display: flex; align-items: center; justify-content: flex-end; gap: var(--sp-4); padding: 0 var(--sp-6); border-bottom: 1px solid var(--border); background: rgba(14,18,27,0.6); backdrop-filter: blur(6px); }
.usermenu { display: flex; align-items: center; gap: var(--sp-3); }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--gradient); display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 0.8rem; }
.usermenu__meta { display: flex; flex-direction: column; line-height: 1.15; }
.usermenu__name { font-weight: 600; font-size: var(--fs-sm); }
.usermenu__role { font-size: var(--fs-xs); color: var(--text-dim); }
.shell__nav { grid-area: nav; background: var(--ink-850); border-right: 1px solid var(--border); padding: var(--sp-4) var(--sp-3); overflow-y: auto; }
.nav__group { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); padding: var(--sp-3) var(--sp-3) var(--sp-2); }
.shell__nav ul { list-style: none; margin: 0 0 var(--sp-3); padding: 0; }
.shell__nav a { display: flex; align-items: center; gap: 0.7rem; padding: 0.6rem 0.75rem; border-radius: var(--radius-sm); color: var(--text-muted); font-weight: 550; margin-bottom: 2px; }
.shell__nav a .icon { width: 18px; height: 18px; flex: none; color: var(--text-dim); }
.shell__nav a:hover { background: var(--ink-750); color: var(--text); text-decoration: none; }
.shell__nav a[aria-current="page"] { background: linear-gradient(90deg, rgba(108,92,231,0.9), rgba(108,92,231,0.55)); color: #fff; box-shadow: var(--shadow-sm); }
.shell__nav a[aria-current="page"] .icon { color: #fff; }
.shell__main { grid-area: main; padding: var(--sp-6); overflow: auto; }
.page-head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-4); margin-bottom: var(--sp-5); }
.page-head h2 { font-size: var(--fs-2xl); }
.page-head p { color: var(--text-muted); margin-top: 0.2rem; font-size: var(--fs-sm); }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; grid-template-rows: 64px auto 1fr; grid-template-areas: "brand" "nav" "main"; }
  .shell__brandbar { border-right: none; justify-content: space-between; }
  .shell__top { display: none; }
  .shell__nav ul { display: flex; flex-wrap: wrap; gap: 4px; }
  .shell__nav a { margin: 0; }
  .nav__group { width: 100%; }
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: var(--sp-4); margin-bottom: var(--sp-6); }
.stat { display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-4) var(--sp-5); }
.stat__icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(108,92,231,0.14); color: var(--primary-300); flex: none; }
.stat__icon .icon { width: 22px; height: 22px; }
.stat__value { font-size: var(--fs-2xl); font-weight: 750; letter-spacing: -0.02em; }
.stat__label { color: var(--text-muted); font-size: var(--fs-sm); }

.table-wrap { overflow-x: auto; border-radius: var(--radius); }
table.data { width: 100%; border-collapse: collapse; font-size: var(--fs-sm); }
table.data thead th { position: sticky; top: 0; text-align: left; font-weight: 600; color: var(--text-muted); background: var(--ink-800); padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--border-strong); white-space: nowrap; }
table.data td { padding: 0.7rem 0.85rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
table.data tbody tr:hover { background: rgba(255,255,255,0.02); }
table.data td.actions { text-align: right; white-space: nowrap; }
table.data td .btn { margin-left: 0.35rem; }

.badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.2rem 0.55rem; border-radius: var(--radius-pill); font-size: var(--fs-xs); font-weight: 650; border: 1px solid transparent; }
.badge .icon { width: 13px; height: 13px; }
.badge--active { color: var(--success); background: var(--success-bg); border-color: rgba(52,211,153,0.3); }
.badge--revoked { color: var(--danger); background: var(--danger-bg); border-color: rgba(248,113,113,0.3); }
.badge--warn { color: var(--warning); background: var(--warning-bg); border-color: rgba(251,191,36,0.3); }
.badge--role { color: var(--primary-300); background: rgba(108,92,231,0.14); border-color: rgba(108,92,231,0.3); }

.codebox { display: flex; align-items: center; gap: var(--sp-3); background: var(--ink-900); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); padding: 0.6rem 0.7rem; }
.codebox code { font-family: var(--font-mono); font-size: var(--fs-sm); word-break: break-all; color: var(--accent-400); flex: 1; }

.empty { text-align: center; padding: var(--sp-8) var(--sp-4); color: var(--text-muted); }
.empty__icon { width: 46px; height: 46px; margin: 0 auto var(--sp-3); color: var(--n-600); }
.empty h4 { color: var(--text); margin-bottom: 0.35rem; }
.loading { display: flex; align-items: center; justify-content: center; gap: 0.6rem; padding: var(--sp-8); color: var(--text-muted); }
.spinner { width: 26px; height: 26px; border: 3px solid var(--ink-700); border-top-color: var(--primary-400); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.overlay { position: fixed; inset: 0; background: rgba(4,6,10,0.66); backdrop-filter: blur(3px); display: grid; place-items: center; padding: var(--sp-5); z-index: 100; animation: fade .15s ease; }
@keyframes fade { from { opacity: 0; } }
.modal { width: min(520px, 100%); max-height: 88vh; overflow: auto; background: var(--ink-800); border: 1px solid var(--border-strong); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); animation: pop .16s ease; }
@keyframes pop { from { transform: translateY(8px) scale(.98); opacity: 0; } }
.modal__head { padding: var(--sp-5) var(--sp-5) var(--sp-3); display: flex; align-items: center; justify-content: space-between; }
.modal__head h3 { font-size: var(--fs-lg); }
.modal__body { padding: 0 var(--sp-5) var(--sp-4); }
.modal__foot { padding: var(--sp-4) var(--sp-5); border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: var(--sp-3); }
.iconbtn { width: 34px; height: 34px; min-height: 0; padding: 0; border-radius: 8px; }

.toasts { position: fixed; bottom: var(--sp-5); right: var(--sp-5); z-index: 300; display: flex; flex-direction: column; gap: var(--sp-3); max-width: 420px; }
.toast { display: flex; align-items: flex-start; gap: 0.6rem; padding: 0.8rem 0.95rem; border-radius: var(--radius); background: var(--ink-750); border: 1px solid var(--border-strong); box-shadow: var(--shadow); animation: slide .2s ease; }
@keyframes slide { from { transform: translateX(20px); opacity: 0; } }
.toast .icon { width: 18px; height: 18px; flex: none; margin-top: 1px; }
.toast--success { border-left: 3px solid var(--success); } .toast--success .icon { color: var(--success); }
.toast--danger { border-left: 3px solid var(--danger); } .toast--danger .icon { color: var(--danger); }
.toast--info { border-left: 3px solid var(--info); } .toast--info .icon { color: var(--info); }
.toast__msg { font-size: var(--fs-sm); }

.alert { display: flex; align-items: center; gap: 0.5rem; padding: 0.6rem 0.8rem; border-radius: var(--radius-sm); font-size: var(--fs-sm); margin-bottom: var(--sp-4); }
.alert--danger { background: var(--danger-bg); color: #fecaca; border: 1px solid rgba(248,113,113,0.3); }
.alert .icon { width: 16px; height: 16px; flex: none; }
.searchbar { position: relative; max-width: 320px; }
.searchbar .icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--n-500); }
.searchbar input { padding-left: 2.1rem; }
.pw-meter { height: 5px; border-radius: 3px; background: var(--ink-700); overflow: hidden; margin-top: 4px; }
.pw-meter > span { display: block; height: 100%; width: 0; transition: width .2s, background .2s; }

/* combobox (searchable select) */
.combo { position: relative; }
.combo__menu { position: absolute; z-index: 40; top: calc(100% + 4px); left: 0; right: 0; max-height: 240px; overflow-y: auto; background: var(--ink-800); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); box-shadow: var(--shadow); padding: 4px; }
.combo__opt { display: flex; flex-direction: column; gap: 1px; padding: 0.45rem 0.6rem; border-radius: 6px; cursor: pointer; }
.combo__opt:hover, .combo__opt[aria-selected="true"] { background: var(--ink-700); }
.combo__opt .sub { font-size: var(--fs-xs); color: var(--text-dim); }
.combo__empty { padding: 0.6rem; color: var(--text-dim); font-size: var(--fs-sm); }
.combo__hint { padding: 0.4rem 0.6rem; color: var(--text-dim); font-size: var(--fs-xs); border-top: 1px solid var(--border); }

/* feature picker */
.featgrid { display: flex; flex-direction: column; gap: var(--sp-4); }
.featcat { margin-bottom: var(--sp-2); }
.featcat__title { font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-dim); margin-bottom: var(--sp-2); }
.featcat__items { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.4rem; }
.check { display: flex; align-items: flex-start; gap: 0.55rem; padding: 0.5rem 0.6rem; border: 1px solid var(--border); border-radius: var(--radius-sm); cursor: pointer; background: var(--ink-850); }
.check:hover { border-color: var(--border-strong); }
.check input { width: 16px; height: 16px; margin-top: 2px; flex: none; accent-color: var(--primary-500); }
.check__meta { display: flex; flex-direction: column; line-height: 1.3; }
.check__title { font-weight: 600; font-size: var(--fs-sm); }
.check__key { font-family: var(--font-mono); font-size: var(--fs-xs); color: var(--text-dim); }
.plan-toolbar { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-3); }

/* fleet filter bar */
.fleet-filter { display: flex; gap: var(--sp-3); flex-wrap: wrap; margin-bottom: var(--sp-4); }
.fleet-filter__group { display: flex; align-items: center; gap: 0.5rem; padding: 0 0.7rem; background: var(--ink-850); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); }
.fleet-filter__group > .icon { width: 16px; height: 16px; color: var(--text-dim); flex: none; }
.fleet-filter__group--grow { flex: 1; min-width: 240px; }
.fleet-filter select, .fleet-filter input { border: 0; background: transparent; padding: 0.5rem 0; }
.fleet-filter select:focus, .fleet-filter input:focus { box-shadow: none; }
.fleet-filter__group:focus-within { border-color: var(--primary-500); box-shadow: 0 0 0 3px var(--ring); }
.fleet-filter__sel { min-width: 190px; }
/* telemetry dashboard */
.tele-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--sp-5); margin-bottom: var(--sp-5); }
.tele-approx { margin-left: 0.5rem; vertical-align: middle; font-size: 0.7rem; }
.data td.num, .data th.num { text-align: right; font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* telemetry dashboard — card-head icons had no size rule (rendered at intrinsic/huge size) */
.card__head .icon { width: 18px; height: 18px; flex: none; color: var(--primary-300); }
.tele-grid .card__head { justify-content: flex-start; }
.tele-grid .card__head h3 { margin-right: auto; }
.tele-grid .card__head .icon { width: 32px; height: 32px; padding: 7px; border-radius: 10px; background: rgba(108,92,231,0.14); box-sizing: border-box; }
/* native <select> option popups defaulted to a white OS background -> unreadable light text */
:root { color-scheme: dark; }
select option, select optgroup { background: var(--ink-800); color: var(--text); }
select option:checked { background: var(--ink-700); color: #fff; }