:root {
  --bg: #f5f7fa; --surface: #fff; --border: #e0e6ed; --text: #182738; --secondary: #526477;
  --primary: #2559b6; --primary-soft: #edf3fe; --success: #166345; --success-soft: #eaf6ef;
  --warning: #855012; --warning-soft: #fff5e5; --danger: #a12b35; --danger-soft: #fceef0;
  --info: #245b80; --info-soft: #eaf4fc; --muted: #eef1f5;
  --radius: .75rem; --radius-sm: .4rem; --shadow: 0 8px 28px #1827380a;
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem; --space-6: 1.5rem; --space-8: 2rem;
  --font-small: .8125rem; --font-body: .9375rem; --font-title: 1.875rem; --sidebar-width: 15rem;
}
:is(.app-shell, .portal) { color: var(--text); font-family: 'Segoe UI', Arial, sans-serif; font-size: var(--font-body); line-height: 1.6; }
:is(.app-shell, .portal) [hidden] { display: none !important; }
:is(.app-shell, .portal) :focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }
:is(.app-shell, .portal) h1 { font-size: var(--font-title); font-weight: 650; letter-spacing: -.035em; line-height: 1.25; }
:is(.app-shell, .portal) h2 { font-size: 1.2rem; font-weight: 650; line-height: 1.4; }
:is(.app-shell, .portal) h3 { font-size: 1rem; font-weight: 650; }
:is(.app-shell, .portal) p + p { margin-top: var(--space-2); }
:is(.app-shell, .portal) a { color: var(--primary); }
:is(.app-shell, .portal) a:hover { text-decoration: underline; }
:is(.app-shell, .portal) small, .text-secondary { color: var(--secondary); font-size: var(--font-small); }
:is(.app-shell, .portal) button, :is(.app-shell, .portal) .button {
  display: inline-flex; justify-content: center; align-items: center; gap: var(--space-2); min-height: 2.65rem;
  padding: .6rem 1rem; background: var(--primary); border: 1px solid transparent; border-radius: var(--radius-sm);
  color: white; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
:is(.app-shell, .portal) :is(button, .button):hover { filter: brightness(.95); text-decoration: none; }
:is(.app-shell, .portal) :is(button, .button).secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
:is(.app-shell, .portal) :is(button, .button).danger { background: var(--danger); color: white; }
.app-shell a.danger { color: var(--danger); }
:is(.app-shell, .portal) button:disabled { opacity: .5; cursor: not-allowed; filter: none; }
:is(.app-shell, .portal) form { display: grid; gap: var(--space-4); min-width: 0; }
:is(.app-shell, .portal) label { display: grid; gap: var(--space-2); font-weight: 600; font-size: .875rem; }
:is(.app-shell, .portal) :is(input,select,textarea) { min-width: 0; max-width: 100%; width: 100%; border: 1px solid #aab7c6;
  border-radius: var(--radius-sm); padding: .65rem .8rem; color: var(--text); background: var(--surface); font: inherit; min-height: 2.75rem; }
:is(.app-shell, .portal) textarea { min-height: 6rem; resize: vertical; }
:is(.app-shell, .portal) input[type="checkbox"] { width: 1.1rem; min-height: 1.1rem; height: 1.1rem; accent-color: var(--primary); }
:is(.app-shell, .portal) label:has(input[type="checkbox"]) { display: flex; align-items: flex-start; font-weight: 400; }
:is(.app-shell, .portal) label:has(input[type="checkbox"]) input { margin-top: .3rem; flex-shrink: 0; }
:is(.app-shell, .portal) .validation-message { color: var(--danger); }
.app-shell { display: grid; grid-template-columns: var(--sidebar-width) minmax(0,1fr); min-height: 100vh; background: var(--bg); }
.app-shell .sidebar { position: sticky; top: 0; height: 100vh; background: var(--surface); border-right: 1px solid var(--border); padding: var(--space-8) var(--space-4); display: flex; flex-direction: column; overflow-y: auto; }
.app-brand { display: flex; align-items: center; gap: .7rem; font-size: 1.25rem; font-weight: 750; letter-spacing: -.025em; color: var(--text) !important; }
.brand-mark { display: grid; place-items: center; width: 2rem; height: 2rem; background: var(--primary); color: white; border-radius: var(--radius-sm); font-size: 1rem; }
.brand-caption { font-size: var(--font-small); color: var(--secondary); margin: .7rem 0 2rem; }
.sidebar nav { display: grid; gap: var(--space-1); }
.sidebar nav a { padding: .65rem .85rem; color: var(--secondary); border-radius: var(--radius-sm); font-weight: 500; }
.sidebar nav a.active { background: var(--primary-soft); color: var(--primary); font-weight: 650; }
.sidebar nav a:hover { background: var(--bg); text-decoration: none; }
.nav-section { margin-top: var(--space-4); }
.nav-section > .nav-group { padding: .65rem .85rem; font-size: .75rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; color: var(--text); cursor: pointer; border-radius: var(--radius-sm); }
.nav-section > .nav-group:hover { background: var(--bg); }
.app-shell .sidebar .nav-section[open] > .nav-group { margin-bottom: var(--space-1); }
.nav-section > .nav-group:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.nav-group-links { display: grid; gap: var(--space-1); margin-top: var(--space-1); }
.sidebar-bottom { margin-top: auto; padding: var(--space-6) .85rem 0; display: grid; gap: var(--space-2); font-size: var(--font-small); color: var(--secondary); }
.app-main { min-width: 0; display: flex; flex-direction: column; }
.topbar { min-height: 5.25rem; background: var(--surface); border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: var(--space-6); padding: var(--space-4) var(--space-8); }
.topbar form { display: block; flex-shrink: 0; }
.workspace-context { flex: 1; margin-right: auto; min-width: 0; display: flex; align-items: center; flex-wrap: wrap; gap: .15rem .75rem; }
.eyebrow { font-size: .65rem; color: var(--secondary); text-transform: uppercase; letter-spacing: .1em; font-weight: 700; flex-basis: 100%; }
.account-context { display: grid; text-align: right; }
.account-context strong { font-size: .875rem; }
.workspace-switcher { position: relative; min-width: 0; max-width: 100%; }
.workspace-switcher summary { font-weight: 650; cursor: pointer; overflow-wrap: anywhere; }
.workspace-switcher ul { position: absolute; top: 2rem; left: 0; z-index: 20; background: var(--surface); width: 19rem; max-width: 70vw;
  box-shadow: var(--shadow); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-2); }
.workspace-switcher a { display: grid; gap: var(--space-1); padding: var(--space-3); }
.app-content { width: 100%; max-width: 88rem; padding: 2.5rem clamp(1.25rem, 3vw, 3rem); margin-inline: auto; min-width: 0; flex: 1; }
.app-footer { padding: var(--space-4) var(--space-8); color: var(--secondary); font-size: .75rem; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-6); margin-bottom: var(--space-8); }
.page-description { color: var(--secondary); max-width: 45rem; margin-top: var(--space-2); }
.breadcrumb { display: inline-block; font-size: var(--font-small); margin-bottom: var(--space-3); }
.page-actions, .actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3); }
.app-shell .actions form { display: inline-flex; flex-wrap: wrap; gap: var(--space-3); }
.panel, .module-card, .billing-card, .catalog-admin > section, .catalog-admin > details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-6); margin-bottom: var(--space-6); min-width: 0; }
.panel h2, .module-card h2, .billing-card h2 { margin-bottom: var(--space-3); }
.panel-grid, .workspace-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,18rem),1fr)); gap: var(--space-6); }
.workspace-card { display: grid; align-content: start; gap: var(--space-4); }
.workspace-card .button { width: fit-content; }
.metric { font-size: 2.25rem; font-weight: 650; letter-spacing: -.04em; }
.section-heading { margin: var(--space-8) 0 var(--space-4); }
.status-badge { display: inline-flex; padding: .2rem .65rem; border-radius: 1rem; font-size: .75rem; font-weight: 650; line-height: 1.6; vertical-align: middle; }
.status-success { color: var(--success); background: var(--success-soft); }
.status-warning { color: var(--warning); background: var(--warning-soft); }
.status-danger { color: var(--danger); background: var(--danger-soft); }
.status-info { color: var(--info); background: var(--info-soft); }
.status-muted { color: var(--secondary); background: var(--muted); }
.notice, .app-shell p[role="alert"], .app-shell p[role="status"], .portal .error { border-radius: var(--radius-sm); padding: var(--space-4); margin-block: var(--space-4); background: var(--info-soft); color: var(--info); }
.notice-success { background: var(--success-soft); color: var(--success); }
.notice-warning { background: var(--warning-soft); color: var(--warning); }
.notice-danger, .app-shell p[role="alert"], .portal .error { background: var(--danger-soft); color: var(--danger); }
.empty-state { text-align: center; border: 1px dashed var(--border); border-radius: var(--radius); padding: 3rem var(--space-6); background: var(--surface); }
.empty-state p { color: var(--secondary); margin: var(--space-2) auto var(--space-6); max-width: 35rem; }
.app-shell dl { display: grid; grid-template-columns: minmax(8rem,1fr) minmax(0,2fr); gap: .8rem 1rem; }
.app-shell dt { color: var(--secondary); font-size: .875rem; }
.app-shell dd { margin: 0; overflow-wrap: anywhere; }
.catalog-terms { display: grid; gap: var(--space-4); }
.app-shell :is(details > summary) { cursor: pointer; font-weight: 600; }
.app-shell details[open] > summary { margin-bottom: var(--space-4); }
.catalog-admin > section form { max-width: 45rem; }
.app-shell form > p { color: var(--secondary); font-size: .8125rem; }
.plan { border-top: 1px solid var(--border); padding-top: var(--space-4); margin-top: var(--space-4); }
.plan-header { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-3); }
.price { font-size: 1.55rem; font-weight: 650; margin-block: var(--space-3); }
.app-shell table { width: 100%; border-collapse: collapse; background: var(--surface); }
.app-shell th { color: var(--secondary); background: var(--bg); font-size: .75rem; font-weight: 650; }
.app-shell :is(th,td) { text-align: left; padding: 1rem; border-bottom: 1px solid var(--border); overflow-wrap: anywhere; }
.table-scroll { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: var(--space-6); }
.users { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.users > li { display: grid; grid-template-columns: 2.5rem minmax(9rem,2fr) minmax(8rem,1fr) minmax(8rem,1fr) auto auto; align-items: center; gap: var(--space-4); padding: var(--space-6); border-bottom: 1px solid var(--border); }
.users > li:last-child { border-bottom: 0; }
.users > li > div { display: grid; gap: var(--space-1); min-width: 0; overflow-wrap: anywhere; }
.users > li > .actions { display: flex; gap: var(--space-4); }
.users > li > .status-badge { justify-self: start; }
.avatar { width: 2.4rem; height: 2.4rem; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); border-radius: 50%; font-size: .8rem; font-weight: 650; }
.app-shell dialog { width: min(44rem,calc(100vw - 2rem)); max-height: 85vh; position: fixed; inset: 0; border: 1px solid var(--border); border-radius: var(--radius); padding: var(--space-8); overflow: auto; color: var(--text); background: var(--surface); box-shadow: var(--shadow); }
.app-shell dialog::backdrop { background: #18273888; }
.app-shell dialog header { display: flex; justify-content: space-between; align-items: center; gap: var(--space-4); }
.app-shell dialog :is(h3,footer) { margin-top: var(--space-6); }
.app-shell dialog section { margin-top: var(--space-4); }
.user-workspace-actions { margin-top: var(--space-6); padding-top: var(--space-4); border-top: 1px solid var(--border); }
.app-shell dialog .user-extraordinary-actions { margin-top: var(--space-8); background: var(--muted); border-style: dashed; }
.app-shell dialog .user-extraordinary-actions h3 { margin-top: 0; }
.development-tools { background: #fffaf0; border: 1px dashed #b38631; border-radius: var(--radius); padding: var(--space-6); margin-top: var(--space-6); }
.development-tools .billing-card { background: transparent; border: 0; padding: 0; margin-top: var(--space-6); }
.development-tools form { margin-top: var(--space-4); }
.development-tools form > div { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.development-tools button { background: var(--surface); border-color: var(--border); color: var(--text); font-size: .8125rem; }
.payment-reference { font-family: ui-monospace, monospace; font-size: .75rem; color: var(--secondary); overflow-wrap: anywhere; }
.skip-link { position: fixed; top: -5rem; left: 1rem; z-index: 100; padding: 1rem; background: var(--surface); }
.skip-link:focus { top: 1rem; }
.nav-toggle { display: none; position: absolute; width: 1px !important; height: 1px; min-height: 0 !important; opacity: 0; }
.menu-toggle { display: none !important; cursor: pointer; }
.portal { min-height: 100vh; display: grid; place-items: center; padding: var(--space-8) var(--space-4); background: var(--bg); }
.portal :is(.login-card,.activation-card) { width: 100%; max-width: 28rem; margin: auto; background: var(--surface); padding: 2.5rem; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.portal .activation-card { max-width: 36rem; }
.portal .brand { color: var(--primary); font-size: 1.1rem; font-weight: 750; margin-bottom: var(--space-6); }
.portal h1 { margin-bottom: var(--space-2); }
.portal form { margin-top: var(--space-6); }
.portal .public-link { display: block; font-size: .875rem; margin-top: var(--space-6); }
@media (max-width: 1200px) { .users > li { grid-template-columns: 2.5rem minmax(9rem,2fr) minmax(8rem,1fr) auto; } .users > li > div:nth-child(4) { grid-column: 2; } .users .actions { grid-column: 4; grid-row: 1 / span 2; } }
@media (max-width: 1023px) {
  .app-shell { grid-template-columns: 1fr; } .menu-toggle { display: block !important; padding: .5rem; }
  .nav-toggle { display: block; }
  .app-shell .sidebar { position: fixed; z-index: 30; top: 5.25rem; left: 0; width: var(--sidebar-width); height: calc(100dvh - 5.25rem); transform: translateX(-100%); visibility: hidden; overflow-y: auto; box-shadow: var(--shadow); }
  .nav-toggle:checked ~ .sidebar { transform: translateX(0); visibility: visible; }
  .nav-toggle:focus-visible ~ .app-main .menu-toggle { outline: 3px solid var(--primary); outline-offset: 3px; }
  .topbar { padding-inline: var(--space-4); gap: var(--space-4); } .account-context small { display: none; }
}
@media (max-width: 767px) {
  .page-header { flex-direction: column; } .account-context { display: none; } .topbar { gap: var(--space-3); }
  .app-content { padding: var(--space-6) var(--space-4); } .page-header h1 { font-size: 1.6rem; }
  .users > li { grid-template-columns: 2.5rem minmax(0,1fr); } .users > li > :nth-child(n+3) { grid-column: 2; } .users .actions { grid-column: 2; grid-row: auto; }
  .app-shell table :is(thead) { position: absolute; clip-path: inset(50%); height: 1px; width: 1px; overflow: hidden; }
  .app-shell table, .app-shell tbody, .app-shell tr { display: block; }
  .app-shell tr { padding: var(--space-4); border-bottom: 1px solid var(--border); }
  .app-shell td { display: grid; grid-template-columns: 7rem minmax(0,1fr); gap: var(--space-3); padding: .5rem 0; border: 0; }
  .app-shell td::before { content: attr(data-label); color: var(--secondary); font-size: .75rem; }
  .app-shell dl { grid-template-columns: 1fr; gap: .25rem; } .app-shell dd { margin-bottom: var(--space-3); }
  .portal :is(.login-card,.activation-card) { padding: var(--space-6); }
  .app-shell dialog { padding: var(--space-6); }
}

:is(.app-shell,.portal) fieldset { border: 0; padding: 0; min-width: 0; display: grid; gap: var(--space-4); }
:is(.app-shell,.portal) legend { font-size: 1rem; font-weight: 650; padding: 0 0 var(--space-4); }

.development-tools .renewal-test-steps { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,15rem),1fr)); gap: var(--space-6); padding-left: 1.5rem; }
.development-tools .renewal-test-steps li { padding-left: var(--space-2); min-width: 0; }
.development-tools .renewal-test-steps li::marker { font-weight: 700; }
.development-tools h4 { font-size: var(--font-body); margin-bottom: var(--space-2); }
.development-tools .renewal-test-steps p { color: var(--secondary); margin-bottom: var(--space-4); }
.development-tools .renewal-test-recovery { display: grid; gap: var(--space-3); border-top: 1px solid var(--border); padding-top: var(--space-4); }
.development-tools .renewal-test-recovery button { justify-self: start; }
.development-tools .development-extra-tools { border-top: 1px solid var(--border); padding-top: var(--space-4); }
.development-tools .development-extra-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,18rem),1fr)); gap: var(--space-6); }
.development-tools .development-extra-grid section { min-width: 0; }
.development-tools .development-extra-grid button { margin-top: var(--space-4); }