/* ============================================================
   FABIUS — Moltke-Aligned Theme Layer
   Shared across site, webapp, admin, download, and blog shells.
   ============================================================ */

:root {
  --fab-gold: hsl(215, 95%, 78%);
  --fab-gold-light: hsl(219, 100%, 93%);
  --fab-gold-dark: hsl(215, 64%, 45%);
  --fab-shield-blue: hsl(217, 89%, 59%);
  --fab-shield-dark: hsl(213, 100%, 37%);
  --fab-shield-light: hsl(216, 77%, 52%);

  --fab-critical: hsl(0, 67%, 47%);
  --fab-critical-bg: hsla(0, 67%, 47%, 0.12);
  --fab-high: hsl(24, 92%, 53%);
  --fab-high-bg: hsla(24, 92%, 53%, 0.12);
  --fab-medium: hsl(41, 88%, 52%);
  --fab-medium-bg: hsla(41, 88%, 52%, 0.14);
  --fab-low: hsl(198, 76%, 45%);
  --fab-low-bg: hsla(198, 76%, 45%, 0.12);
  --fab-success: hsl(145, 58%, 38%);
  --fab-success-bg: hsla(145, 58%, 38%, 0.12);
  --fab-info: hsl(217, 89%, 59%);
  --fab-info-bg: hsla(217, 89%, 59%, 0.12);

  --fab-bg-0: hsl(30, 24%, 97%);
  --fab-bg-1: hsl(24, 20%, 95%);
  --fab-bg-2: hsla(0, 0%, 100%, 0.84);
  --fab-bg-3: hsl(0, 0%, 100%);
  --fab-bg-hover: hsl(218, 57%, 95%);
  --fab-bg-active: hsl(218, 66%, 92%);
  --fab-bg-glass: hsla(24, 20%, 95%, 0.8);
  --fab-bg-card: hsla(0, 0%, 100%, 0.82);

  --fab-border: hsla(220, 11%, 43%, 0.16);
  --fab-border-light: hsla(220, 11%, 43%, 0.28);
  --fab-border-focus: var(--fab-shield-blue);

  --fab-text-0: hsl(220, 9%, 12%);
  --fab-text-1: hsl(220, 11%, 31%);
  --fab-text-2: hsl(220, 11%, 44%);
  --fab-text-muted: hsl(220, 10%, 57%);

  --fab-font-display: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fab-shadow-sm: 0 1px 2px rgba(27, 28, 28, 0.04);
  --fab-shadow-md: 0 16px 36px rgba(27, 28, 28, 0.08);
  --fab-shadow-lg: 0 24px 48px rgba(27, 28, 28, 0.1);
  --fab-shadow-glow: 0 18px 36px rgba(59, 130, 246, 0.16);
}

body {
  background:
    radial-gradient(circle at 12% 12%, rgba(59, 130, 246, 0.08) 0%, transparent 28%),
    radial-gradient(circle at 82% 18%, rgba(87, 223, 254, 0.08) 0%, transparent 25%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.5), transparent 180px),
    var(--fab-bg-0);
  color: var(--fab-text-0);
}

h1,
h2,
h3,
.login-title,
.sidebar-title,
.page-title,
.view-title,
.card-title,
.section-card h2,
.stat-value {
  font-family: var(--fab-font-display);
  letter-spacing: -0.02em;
}

.login-screen::before {
  background: radial-gradient(circle, rgba(59, 130, 246, 0.22) 0%, rgba(59, 130, 246, 0) 72%);
  filter: blur(0);
  opacity: 1;
}

.login-screen::after {
  content: '';
  position: absolute;
  inset: auto auto -140px -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(87, 223, 254, 0.12) 0%, rgba(87, 223, 254, 0) 72%);
  pointer-events: none;
}

.login-card,
.stat-card,
.section-card,
.card,
.provider-card,
.integration-card,
.workflow-card,
.curl-modal,
.modal-card,
.download-container {
  background: var(--fab-bg-card);
  backdrop-filter: blur(18px);
  border: 1px solid var(--fab-border);
  box-shadow: var(--fab-shadow-md);
}

.sidebar {
  background: var(--fab-bg-glass);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--fab-border);
}

.sidebar-brand,
.sidebar-bottom,
.sidebar-footer,
.sidebar-user,
.sidebar-machines {
  border-color: var(--fab-border);
}

.sidebar-title,
.login-title {
  background: linear-gradient(135deg, var(--fab-shield-dark), var(--fab-shield-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-item {
  color: var(--fab-text-1);
  border-radius: 12px;
}

.nav-item:hover {
  background: rgba(216, 226, 255, 0.42);
  color: var(--fab-text-0);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(216, 226, 255, 0.9), rgba(255, 255, 255, 0.92));
  color: var(--fab-shield-dark);
}

.nav-item.active svg {
  color: var(--fab-shield-blue);
}

.btn,
.fab-btn,
.login-btn,
.nav-cta,
.btn-primary,
.btn-primary-sm,
.btn-admin,
.sub-upgrade-btn,
.download-btn {
  border-radius: 12px;
}

.btn-primary,
.fab-btn-primary,
.login-btn,
.btn-primary-sm,
.btn-admin,
.nav-cta,
.sub-upgrade-btn,
.download-btn {
  background: linear-gradient(135deg, var(--fab-shield-blue), var(--fab-shield-dark));
  color: #fff;
  border-color: transparent;
  box-shadow: var(--fab-shadow-glow);
}

.btn-primary:hover,
.fab-btn-primary:hover,
.login-btn:hover,
.btn-primary-sm:hover,
.btn-admin:hover,
.nav-cta:hover,
.sub-upgrade-btn:hover,
.download-btn:hover {
  background: linear-gradient(135deg, var(--fab-shield-blue), hsl(213, 100%, 30%));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 22px 40px rgba(59, 130, 246, 0.25);
  transform: translateY(-1px);
}

.btn-danger,
.fab-btn-danger,
.btn-danger-sm {
  background: linear-gradient(135deg, hsl(0, 67%, 47%), hsl(0, 67%, 40%));
  color: #fff;
  border-color: transparent;
}

.btn-danger:hover,
.fab-btn-danger:hover,
.btn-danger-sm:hover {
  background: linear-gradient(135deg, hsl(0, 67%, 43%), hsl(0, 67%, 36%));
  color: #fff;
  border-color: transparent;
}

.btn,
.fab-btn-secondary,
.fab-btn-ghost,
.btn-icon,
.btn-logout,
.filter-select,
.filter-search,
.form-input,
.fab-input,
.vuln-notes {
  background: rgba(255, 255, 255, 0.74);
  color: var(--fab-text-1);
  border-color: var(--fab-border);
}

.btn:hover,
.fab-btn-secondary:hover,
.fab-btn-ghost:hover,
.btn-icon:hover,
.btn-logout:hover,
.filter-select:hover,
.filter-search:hover,
.form-input:hover,
.fab-input:hover,
.vuln-notes:hover {
  background: var(--fab-bg-hover);
  border-color: var(--fab-border-light);
  color: var(--fab-text-0);
}

.filter-select:focus,
.filter-search:focus,
.form-input:focus,
.fab-input:focus,
.site-locale:focus,
.vuln-notes:focus {
  border-color: var(--fab-shield-blue);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.95rem;
  flex: 0 0 auto;
}

.nav-locale {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: #536074;
}

.nav-locale-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.site-locale {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  opacity: 0;
  cursor: pointer;
  appearance: none;
}

.site-locale-trigger {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.48rem;
  min-width: 5.25rem;
  padding: 0.58rem 0.76rem;
  border: 1px solid rgba(27, 28, 28, 0.22);
  border-radius: 0.55rem;
  background: rgba(255, 255, 255, 0.84);
  color: inherit;
  font-family: var(--fab-font-sans, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: none;
  transition:
    background 180ms ease,
    border-color 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-locale-trigger:hover,
.site-locale-trigger:focus-within {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(27, 28, 28, 0.28);
  color: var(--fab-text-0);
}

.site-locale-code {
  min-width: 1.6rem;
  text-align: center;
  letter-spacing: -0.01em;
}

.site-locale-chevron {
  width: 13px;
  height: 13px;
  flex: 0 0 auto;
}

.main-content {
  background: transparent;
}

.page-title,
.view-title {
  font-size: clamp(2rem, 3vw, 2.75rem);
  font-weight: 700;
  color: var(--fab-text-0);
}

.page-subtitle,
.view-subtitle,
.section-subtitle,
.login-subtitle,
.login-note,
.nav-section-label,
.machines-header,
.sub-detail,
.download-version,
.download-os {
  color: var(--fab-text-2);
}

.stat-card:hover,
.section-card:hover,
.provider-card:hover,
.integration-card:hover,
.workflow-card:hover {
  border-color: rgba(33, 112, 228, 0.22);
  box-shadow: 0 24px 42px rgba(27, 28, 28, 0.08);
}

.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: linear-gradient(90deg, var(--fab-shield-blue), var(--fab-gold));
  opacity: 0.9;
}

.stat-value {
  color: var(--fab-shield-dark);
  -webkit-text-fill-color: unset;
  background: none;
}

.data-table th,
.fab-table th {
  background: rgba(246, 243, 242, 0.92);
  color: var(--fab-text-2);
  border-bottom-color: var(--fab-border);
}

.data-table td,
.fab-table td {
  border-bottom-color: rgba(114, 119, 133, 0.12);
  color: var(--fab-text-1);
}

.data-table tr:hover td,
.fab-table tr:hover td {
  background: rgba(216, 226, 255, 0.22);
}

.badge,
.fab-badge {
  border-radius: 999px;
}

.empty-state,
.empty-state-sm,
.fab-empty {
  color: var(--fab-text-2);
}

.toast,
.fab-toast {
  background: var(--fab-bg-card);
  border-color: var(--fab-border);
  color: var(--fab-text-0);
  box-shadow: var(--fab-shadow-lg);
}

.modal-overlay {
  background: rgba(252, 249, 248, 0.38);
  backdrop-filter: blur(8px);
}

.modal-header,
.modal-footer,
.card-header {
  border-color: var(--fab-border);
}

.user-avatar,
.sidebar-logo,
.integration-card-icon,
.workflow-card-icon,
.stat-icon,
.download-icon {
  box-shadow: none;
}

.login-logo,
.sidebar-logo {
  filter: drop-shadow(0 10px 18px rgba(59, 130, 246, 0.18));
}

.btn-icon,
.btn-logout,
.btn-admin {
  border: 1px solid var(--fab-border);
}

.btn-icon svg,
.btn-logout svg,
.btn-admin svg {
  color: inherit;
}

.machines-header svg,
.sidebar-logo,
.login-logo {
  color: var(--fab-shield-blue);
}

.provider-card.active,
.integration-card.connected,
.workflow-card.enabled {
  border-color: rgba(33, 112, 228, 0.32);
  box-shadow:
    0 0 0 1px rgba(33, 112, 228, 0.08),
    0 18px 32px rgba(27, 28, 28, 0.06);
}

.integration-card.configured-pending {
  border-color: rgba(217, 119, 6, 0.26);
  box-shadow:
    0 0 0 1px rgba(217, 119, 6, 0.06),
    0 18px 32px rgba(27, 28, 28, 0.05);
}

.integration-card-icon,
.integration-card-icon.tzu,
.integration-card-icon.solon,
.integration-card-icon.plutus,
.workflow-card-icon {
  background: rgba(216, 226, 255, 0.62);
  color: var(--fab-shield-blue);
}

.subscription-info,
.download-info {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--fab-border);
  box-shadow: var(--fab-shadow-sm);
}

.sub-tier,
.download-title {
  font-family: var(--fab-font-display);
  color: var(--fab-text-0);
}

.download-version,
.pricing-note {
  color: var(--fab-text-2);
}

.site-locale option,
.filter-select option {
  color: var(--fab-text-0);
  background: #fff;
}

.logo-text,
.brand-name,
.sidebar-title,
.login-title {
  text-transform: none;
  letter-spacing: -0.02em;
}

.site-locale {
  appearance: none;
  min-width: 84px;
  padding: 0.5rem 1.85rem 0.5rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--fab-border);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.84), rgba(246, 243, 242, 0.88)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%23424754' d='M1 1l4 4 4-4'/%3E%3C/svg%3E") no-repeat right 0.75rem center / 10px 6px;
  color: var(--fab-text-1);
  font-size: var(--fab-fs-sm);
  font-weight: 600;
}

.site-locale:hover,
.site-locale:focus {
  border-color: rgba(33, 112, 228, 0.28);
  background-color: rgba(255, 255, 255, 0.96);
  color: var(--fab-text-0);
}

@media (max-width: 900px) {
  .sidebar {
    backdrop-filter: none;
  }

  .login-card,
  .stat-card,
  .section-card,
  .card,
  .provider-card,
  .integration-card,
  .workflow-card,
  .download-container {
    backdrop-filter: none;
  }
}