:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #f4f8fb;
  background: #071521;
  font-synthesis: none;

  --page-bg: #071521;
  --page-bg-deep: #04101a;
  --surface: #0e2232;
  --surface-raised: #132b3d;
  --surface-soft: #173447;
  --surface-muted: #102838;
  --surface-hover: #1a3b50;

  --text: #f4f8fb;
  --text-secondary: #bfd0da;
  --text-muted: #8fa5b3;
  --text-subtle: #718997;

  --brand: #18a899;
  --brand-strong: #2bc4b2;
  --brand-dark: #7fe1d5;
  --brand-soft: #123f43;
  --brand-soft-strong: #185158;

  --border: #29485b;
  --border-strong: #3b6074;
  --focus-ring: rgb(43 196 178 / 34%);

  --danger: #ff958c;
  --danger-soft: #47262c;
  --danger-border: #75404a;
  --success: #69dca2;
  --success-soft: #173d31;
  --success-border: #2d684d;
  --warning: #f4c96f;
  --warning-soft: #44371f;
  --warning-border: #756039;
  --info: #73b8ff;
  --info-soft: #173554;

  --shadow-sm: 0 10px 28px rgb(0 0 0 / 18%);
  --shadow-md: 0 18px 48px rgb(0 0 0 / 26%);
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--page-bg-deep);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 4%, rgb(24 168 153 / 8%), transparent 26rem),
    linear-gradient(180deg, var(--page-bg-deep), var(--page-bg) 18rem, #091a28 100%);
}

::selection {
  background: rgb(43 196 178 / 34%);
  color: #fff;
}

button,
input,
select,
textarea { font: inherit; }

button { cursor: pointer; }

a { color: var(--brand-dark); }

.container {
  width: min(100% - 2rem, 72rem);
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgb(7 21 33 / 92%);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 8px 26px rgb(0 0 0 / 18%);
  backdrop-filter: blur(14px);
}

.header-content {
  min-height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: .75rem;
}

.brand {
  color: var(--brand-strong);
  font-size: 1.35rem;
  font-weight: 850;
  letter-spacing: -.02em;
  text-decoration: none;
}

.nav-link,
.user-menu a,
.link-button {
  color: var(--brand-dark);
  font-weight: 700;
  text-decoration: none;
}

.user-menu { position: relative; }
.user-menu summary {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  padding: .55rem .8rem;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: var(--surface-raised);
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  list-style: none;
}
.user-menu summary::-webkit-details-marker { display: none; }
.user-menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + .5rem);
  min-width: 14rem;
  display: grid;
  gap: .75rem;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: .9rem;
  background: var(--surface-raised);
  box-shadow: var(--shadow-md);
}
.user-role { color: var(--text-muted); font-size: .85rem; }
.mobile-menu-link { display: none; }
.link-button {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  text-align: left;
}

.environment-label,
.eyebrow {
  color: #87aaa9;
  font-size: .78rem;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.page-content { padding-block: 1.5rem 3rem; }

.card {
  background: linear-gradient(155deg, rgb(19 43 61 / 98%), rgb(14 34 50 / 98%));
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: clamp(1.15rem, 4vw, 2rem);
  box-shadow: var(--shadow-sm);
}

.hero-card { max-width: 50rem; }
.auth-shell {
  min-height: calc(100vh - 8rem);
  display: grid;
  place-items: center;
}
.auth-card { width: min(100%, 28rem); }
.narrow-page { max-width: 42rem; margin-inline: auto; }

h1,
h2,
h3,
h4,
strong,
dt,
legend { color: var(--text); }

h1 {
  margin: .35rem 0 .85rem;
  font-size: clamp(1.8rem, 7vw, 2.75rem);
  line-height: 1.08;
  letter-spacing: -.025em;
}

h2 { margin: 0; font-size: 1.15rem; }
p { line-height: 1.6; }
.form-intro,
.page-heading p,
.muted { color: var(--text-muted); }

.page-heading { margin-bottom: 1.25rem; }
.page-heading-actions {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.status-row,
.form-actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.25rem;
}

.button {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .75rem 1rem;
  border: 1px solid transparent;
  border-radius: .75rem;
  background: linear-gradient(135deg, var(--brand), #12887f);
  color: #fff;
  font-weight: 780;
  text-decoration: none;
  box-shadow: 0 8px 20px rgb(24 168 153 / 18%);
  transition: transform 140ms ease, background-color 140ms ease, border-color 140ms ease;
}
.button:hover {
  background: linear-gradient(135deg, var(--brand-strong), var(--brand));
  transform: translateY(-1px);
}
.button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}
.button-secondary {
  border-color: var(--border);
  background: var(--surface-soft);
  color: var(--brand-dark);
  box-shadow: none;
}
.button-secondary:hover { background: var(--surface-hover); }
.button-danger-soft {
  border-color: var(--danger-border);
  background: var(--danger-soft);
  color: var(--danger);
  box-shadow: none;
}
.button-danger-soft:hover { background: #5b2c35; }
.button-block { width: 100%; }

.form-stack { display: grid; gap: 1rem; }
.field-group { display: grid; gap: .42rem; }
.field-group label { font-weight: 750; color: var(--text-secondary); }
.field-group small { color: var(--text-muted); line-height: 1.4; }
input,
select,
textarea {
  width: 100%;
  min-height: 3rem;
  padding: .7rem .8rem;
  border: 1px solid var(--border-strong);
  border-radius: .7rem;
  background: var(--surface-raised);
  color: var(--text);
}
input::placeholder,
textarea::placeholder { color: var(--text-subtle); opacity: 1; }
select option { background: var(--surface-raised); color: var(--text); }
input[type="date"] { color-scheme: dark; }
input[type="file"]::file-selector-button {
  margin-right: .75rem;
  padding: .55rem .7rem;
  border: 1px solid var(--border-strong);
  border-radius: .55rem;
  background: var(--surface-soft);
  color: var(--text-secondary);
  font-weight: 750;
}

.alert {
  margin-bottom: 1rem;
  padding: .85rem 1rem;
  border-radius: .75rem;
  border: 1px solid transparent;
  line-height: 1.5;
}
.alert-error { background: var(--danger-soft); color: #ffc1bb; border-color: var(--danger-border); }
.alert-success { background: var(--success-soft); color: #a8f0c9; border-color: var(--success-border); }
.alert-warning { background: var(--warning-soft); color: #ffe2a2; border-color: var(--warning-border); }

.filters {
  display: grid;
  grid-template-columns: minmax(14rem, 2fr) repeat(2, minmax(10rem, 1fr)) auto;
  align-items: end;
  gap: .8rem;
  margin-bottom: 1rem;
  padding: 1rem;
}

.user-grid,
.timeline-list,
.audit-grid { display: grid; gap: 1rem; }
.user-card { padding: 1.1rem; }
.user-card-header,
.timeline-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
}
.user-card-header p { margin: .3rem 0 0; }
.timeline-card-header time { color: var(--text-muted); font-size: .86rem; }
.status-badge,
.module-badge {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: .25rem .55rem;
  border-radius: 999px;
  font-size: .78rem;
  font-weight: 800;
  white-space: nowrap;
}
.module-badge { background: var(--brand-soft); color: var(--brand-dark); text-transform: capitalize; }
.status-active,
.audit-result-success { background: var(--success-soft); color: var(--success); }
.status-inactive { background: #263a48; color: #b4c3cc; }
.status-blocked,
.audit-result-failure { background: var(--danger-soft); color: var(--danger); }
.audit-result-denied { background: var(--warning-soft); color: var(--warning); }

.detail-list { display: grid; gap: .55rem; margin: 1rem 0 0; }
.detail-list div { display: grid; grid-template-columns: 7rem 1fr; gap: .75rem; }
.detail-list dt { color: var(--text-muted); font-weight: 700; }
.detail-list dd { margin: 0; overflow-wrap: anywhere; }
.compact-details { margin-bottom: 1rem; }
.audit-detail-list div { grid-template-columns: 10rem 1fr; }
.card-actions form { margin: 0; }
.empty-state { text-align: center; color: var(--text-muted); }
.result-summary { color: var(--text-muted); font-weight: 700; }
.audit-filters { grid-template-columns: minmax(14rem, 2fr) repeat(3, minmax(9rem, 1fr)); }
.timeline-card,
.audit-card { padding: 1.15rem; }
.timeline-card h2,
.audit-card h2 { margin-top: .8rem; }
.audit-section { margin-top: 1rem; }
.change-list { display: grid; gap: .8rem; margin-top: 1rem; }
.change-card {
  display: grid;
  gap: .65rem;
  padding: .9rem;
  border: 1px solid var(--border);
  border-radius: .8rem;
  background: var(--surface-muted);
}
.change-card div { display: grid; grid-template-columns: 5rem 1fr; gap: .7rem; }
.change-card span { color: var(--text-muted); font-weight: 700; }
code,
.metadata-block {
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}
.metadata-block {
  margin: 1rem 0 0;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: .75rem;
  background: #091b2a;
  color: #c6d9e4;
  overflow-x: auto;
}
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.25rem;
}

::-webkit-scrollbar { width: .75rem; height: .75rem; }
::-webkit-scrollbar-track { background: var(--page-bg-deep); }
::-webkit-scrollbar-thumb { background: #345569; border: 2px solid var(--page-bg-deep); border-radius: 999px; }
::-webkit-scrollbar-thumb:hover { background: #477086; }

@media (max-width: 64rem) {
  .nav-link { display: none; }
  .mobile-menu-link { display: block; }
}

@media (max-width: 52rem) {
  .filters,
  .audit-filters { grid-template-columns: 1fr 1fr; }
  .filter-search { grid-column: 1 / -1; }
}

@media (max-width: 40rem) {
  .container { width: min(100% - 1rem, 72rem); }
  .page-content { padding-top: 1rem; }
  .header-content { min-height: 3.6rem; }
  .user-menu summary { max-width: 11rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .user-menu-panel { position: fixed; top: 4rem; left: .5rem; right: .5rem; }
  .page-heading-actions { align-items: stretch; flex-direction: column; }
  .page-heading-actions > .button { width: 100%; }
  .filters,
  .audit-filters { grid-template-columns: 1fr; }
  .filter-search { grid-column: auto; }
  .status-row,
  .form-actions,
  .card-actions { flex-direction: column; }
  .button,
  .card-actions form,
  .card-actions form .button { width: 100%; }
  .detail-list div,
  .audit-detail-list div,
  .change-card div { grid-template-columns: 1fr; gap: .15rem; }
  .user-card-header,
  .timeline-card-header { align-items: flex-start; }
  .pagination { align-items: stretch; flex-direction: column; text-align: center; }
}

@media print {
  :root { color-scheme: light; }
  html,
  body {
    background: #fff !important;
    color: #111 !important;
  }
  .site-header,
  .button,
  .card-actions,
  .form-actions { display: none !important; }
  .card {
    background: #fff !important;
    color: #111 !important;
    border-color: #bbb !important;
    box-shadow: none !important;
  }
}