/* VeltronHost Premium UI — design system v2 (brand blue, no purple) */

:root {
  --vt-space-1: 0.25rem;
  --vt-space-2: 0.5rem;
  --vt-space-3: 0.75rem;
  --vt-space-4: 1rem;
  --vt-space-5: 1.25rem;
  --vt-space-6: 1.5rem;
  --vt-space-8: 2rem;
  --vt-space-10: 2.5rem;
  --vt-radius-lg: 14px;
  --vt-radius-xl: 18px;
  --vt-shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
  --vt-shadow-lg: 0 18px 50px rgba(0, 0, 0, 0.45);
  --vt-glass: rgba(22, 38, 58, 0.72);
  --vt-font-display: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  --vt-sidebar-w: 260px;
  --vt-topbar-h: 72px;
  --vt-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --vt-dur: 180ms;
}

html.veltron-dark {
  scroll-behavior: smooth;
}

body.veltron-dark {
  font-family: var(--vt-font-display);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(59, 130, 246, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(56, 189, 248, 0.08), transparent 50%),
    var(--vt-bg) !important;
}

body.veltron-dark.vt-page-enter {
  animation: vtFadeIn 320ms var(--vt-ease);
}

@keyframes vtFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes vtSlideUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.vt-content-enter {
  animation: vtSlideUp 360ms var(--vt-ease);
}

/* ── App shell ── */
body.veltron-dark .veltron-app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

body.veltron-dark .veltron-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  height: var(--vt-topbar-h);
  display: flex;
  align-items: center;
  gap: var(--vt-space-4);
  padding: 0 var(--vt-space-5);
  background: var(--vt-glass);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(42, 58, 92, 0.85);
}

body.veltron-dark .veltron-topbar__brand {
  flex-shrink: 0;
  min-width: 0;
  max-width: min(480px, 72vw);
  overflow: visible;
}

body.veltron-dark .veltron-topbar__spacer {
  flex: 1;
}

body.veltron-dark .veltron-topbar__user .dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--vt-border);
  background: var(--vt-surface);
  border-radius: 999px;
  padding: 0.35rem 0.85rem 0.35rem 0.45rem;
  color: var(--vt-text) !important;
  font-weight: 500;
}

body.veltron-dark .veltron-shell {
  display: grid;
  grid-template-columns: var(--vt-sidebar-w) minmax(0, 1fr);
  flex: 1;
  min-height: 0;
}

body.veltron-dark .veltron-aside {
  position: sticky;
  top: var(--vt-topbar-h);
  height: calc(100dvh - var(--vt-topbar-h));
  padding: var(--vt-space-5) var(--vt-space-4);
  border-right: 1px solid var(--vt-border);
  background: rgba(10, 18, 36, 0.55);
  overflow: auto;
}

body.veltron-dark .veltron-main {
  min-width: 0;
  padding: var(--vt-space-6) var(--vt-space-6) var(--vt-space-10);
  max-width: 1440px;
}

body.veltron-dark .veltron-sidebar-toggle {
  border: 1px solid var(--vt-border);
  background: var(--vt-surface);
  color: var(--vt-text);
  border-radius: var(--vt-radius-sm);
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Sidebar nav */
body.veltron-dark .veltron-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

body.veltron-dark .veltron-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.85rem !important;
  border-radius: var(--vt-radius-sm);
  color: var(--vt-muted) !important;
  font-weight: 500;
  transition: background var(--vt-dur) var(--vt-ease), color var(--vt-dur) var(--vt-ease), transform var(--vt-dur) var(--vt-ease);
}

body.veltron-dark .veltron-nav .nav-link .icon {
  width: 1.1rem;
  height: 1.1rem;
  opacity: 0.9;
}

body.veltron-dark .veltron-nav .nav-item.active .nav-link,
body.veltron-dark .veltron-nav .nav-link.active,
body.veltron-dark .veltron-nav .nav-link:hover {
  background: rgba(59, 130, 246, 0.14);
  color: var(--vt-accent-light) !important;
}

body.veltron-dark .veltron-nav .nav-item.active .nav-link,
body.veltron-dark .veltron-nav .nav-link.active {
  box-shadow: inset 3px 0 0 var(--vt-accent);
}

body.veltron-dark .veltron-sidebar-balance {
  margin-top: auto;
  padding: var(--vt-space-4);
  border-radius: var(--vt-radius);
  background: linear-gradient(145deg, rgba(59, 130, 246, 0.12), rgba(22, 33, 62, 0.9));
  border: 1px solid var(--vt-border);
}

/* Page header */
body.veltron-dark .veltron-page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--vt-space-4);
  margin-bottom: var(--vt-space-6);
}

body.veltron-dark .veltron-page-title {
  margin: 0;
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

body.veltron-dark .veltron-page-subtitle {
  margin: 0.35rem 0 0;
  color: var(--vt-muted);
  font-size: 0.95rem;
}

body.veltron-dark .veltron-page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Cards */
body.veltron-dark .card,
body.veltron-dark .veltron-stat-card {
  border-radius: var(--vt-radius-lg) !important;
  box-shadow: var(--vt-shadow-sm);
  transition: transform var(--vt-dur) var(--vt-ease), box-shadow var(--vt-dur) var(--vt-ease), border-color var(--vt-dur) var(--vt-ease);
}

body.veltron-dark .card:hover,
body.veltron-dark .veltron-stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--vt-shadow-md);
  border-color: var(--vt-border-light) !important;
}

body.veltron-dark .card-header {
  border-radius: var(--vt-radius-lg) var(--vt-radius-lg) 0 0 !important;
  font-size: 0.95rem;
}

/* Tables */
body.veltron-dark .table {
  --bs-table-bg: transparent;
  --bs-table-color: var(--vt-text);
  --bs-table-border-color: var(--vt-border);
  margin-bottom: 0;
}

body.veltron-dark .table thead th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vt-muted);
  font-weight: 600;
  border-bottom-width: 1px;
  white-space: nowrap;
}

body.veltron-dark .table tbody tr {
  transition: background var(--vt-dur) var(--vt-ease);
}

body.veltron-dark .table-hover tbody tr:hover {
  background: rgba(59, 130, 246, 0.06) !important;
}

body.veltron-dark .table-responsive,
body.veltron-dark .table-responsive-wrap {
  border-radius: var(--vt-radius);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Forms */
body.veltron-dark .form-control,
body.veltron-dark .form-select {
  min-height: 44px;
  border-radius: var(--vt-radius-sm) !important;
  background: var(--vt-surface-2) !important;
  border-color: var(--vt-border) !important;
  color: var(--vt-text) !important;
  transition: border-color var(--vt-dur) var(--vt-ease), box-shadow var(--vt-dur) var(--vt-ease);
}

body.veltron-dark .form-control:focus,
body.veltron-dark .form-select:focus {
  border-color: var(--vt-accent) !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.22) !important;
}

body.veltron-dark .form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--vt-muted);
  margin-bottom: 0.4rem;
}

/* Buttons */
body.veltron-dark .btn {
  min-height: 42px;
  letter-spacing: 0.01em;
}

body.veltron-dark .btn-sm {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1.2;
  padding-top: 0.35rem;
  padding-bottom: 0.35rem;
}

body.veltron-dark .veltron-invoice-actions .btn {
  min-width: 4.25rem;
}

body.veltron-dark .btn-lg {
  min-height: 48px;
  font-size: 1rem;
}

body.veltron-dark .btn:active {
  transform: translateY(1px);
}

/* Badges */
body.veltron-dark .badge {
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.4em 0.65em;
  border-radius: 999px;
}

/* Alerts / flashes */
body.veltron-dark .alert {
  border-radius: var(--vt-radius);
  border: 1px solid var(--vt-border);
}

body.veltron-dark .veltron-flash {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  margin-bottom: 0.75rem;
  border-radius: var(--vt-radius);
  border: 1px solid var(--vt-border);
  background: var(--vt-surface);
  animation: vtSlideUp 280ms var(--vt-ease);
}

body.veltron-dark .veltron-flash--success { border-color: rgba(34, 197, 94, 0.45); background: rgba(34, 197, 94, 0.1); }
body.veltron-dark .veltron-flash--info { border-color: rgba(56, 189, 248, 0.45); background: rgba(56, 189, 248, 0.1); }
body.veltron-dark .veltron-flash--warning { border-color: rgba(251, 191, 36, 0.45); background: rgba(251, 191, 36, 0.1); }
body.veltron-dark .veltron-flash--danger,
body.veltron-dark .veltron-flash--error { border-color: rgba(248, 113, 113, 0.45); background: rgba(248, 113, 113, 0.1); }

body.veltron-dark .veltron-flash__close {
  border: 0;
  background: transparent;
  color: var(--vt-muted);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
}

body.veltron-dark .h-block { display: none; }

/* Modals */
body.veltron-dark .modal-content {
  border-radius: var(--vt-radius-lg) !important;
  border: 1px solid var(--vt-border) !important;
  background: var(--vt-surface) !important;
  box-shadow: var(--vt-shadow-lg);
}

body.veltron-dark .modal-header {
  border-bottom-color: var(--vt-border) !important;
}

body.veltron-dark .modal-footer {
  border-top-color: var(--vt-border) !important;
}

/* Breadcrumb */
body.veltron-dark .breadcrumb {
  font-size: 0.85rem;
  margin-bottom: var(--vt-space-4);
}

body.veltron-dark .breadcrumb-item a {
  color: var(--vt-muted);
  text-decoration: none;
}

body.veltron-dark .breadcrumb-item a:hover {
  color: var(--vt-accent-light);
}

/* Pagination */
body.veltron-dark .pagination .page-link {
  border-color: var(--vt-border);
  background: var(--vt-surface);
  color: var(--vt-text);
  border-radius: var(--vt-radius-sm);
  margin: 0 0.15rem;
}

body.veltron-dark .pagination .page-item.active .page-link {
  background: var(--vt-accent);
  border-color: var(--vt-accent);
}

/* Empty states */
body.veltron-dark .veltron-empty {
  text-align: center;
  padding: clamp(2rem, 6vw, 4rem) 1.5rem;
  border: 1px dashed var(--vt-border);
  border-radius: var(--vt-radius-lg);
  background: rgba(26, 39, 66, 0.35);
}

body.veltron-dark .veltron-empty__code {
  font-size: clamp(2.5rem, 8vw, 4rem);
  font-weight: 700;
  color: var(--vt-accent-light);
  line-height: 1;
  margin-bottom: 0.75rem;
}

body.veltron-dark .veltron-empty__title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

body.veltron-dark .veltron-empty__text {
  color: var(--vt-muted);
  max-width: 36rem;
  margin: 0 auto 1.25rem;
}

/* Skeleton */
body.veltron-dark .veltron-skeleton {
  background: linear-gradient(90deg, var(--vt-surface-2) 25%, var(--vt-border) 37%, var(--vt-surface-2) 63%);
  background-size: 400% 100%;
  animation: vtShimmer 1.2s ease-in-out infinite;
  border-radius: var(--vt-radius-sm);
}

@keyframes vtShimmer {
  0% { background-position: 100% 0; }
  100% { background-position: 0 0; }
}

/* Auth */
body.veltron-dark.page-login,
body.veltron-dark.page-signup,
body.veltron-dark.page-password-reset {
  background: var(--vt-bg) !important;
}

body.veltron-dark .veltron-auth-wrap {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

body.veltron-dark .veltron-auth-card {
  width: 100%;
  max-width: 420px;
  border-radius: var(--vt-radius-xl);
  border: 1px solid var(--vt-border);
  background: rgba(26, 39, 66, 0.92);
  box-shadow: var(--vt-shadow-lg);
  padding: clamp(1.25rem, 4vw, 2rem);
}

body.veltron-dark .veltron-auth-card h1,
body.veltron-dark .veltron-login-title {
  font-size: 1.2rem;
  font-weight: 650;
  text-align: center;
  margin-bottom: 1.25rem;
}

/* VPS cards */
body.veltron-dark .veltron-vps-grid .card {
  height: 100%;
}

body.veltron-dark .veltron-vps-actions {
  gap: 0.5rem;
}

body.veltron-dark .veltron-vps-actions .btn {
  min-width: 7.5rem;
}

/* Footer */
body.veltron-dark #footer {
  margin-top: var(--vt-space-8);
  padding-top: var(--vt-space-4);
  border-top: 1px solid var(--vt-border);
  color: var(--vt-muted);
}

body.veltron-dark .veltron-scroll-top {
  border-radius: 999px;
  box-shadow: var(--vt-shadow-md);
  bottom: 4.75rem !important;
  z-index: 1060;
}

/* Mobile drawer */
body.veltron-dark .veltron-mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 1045;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--vt-dur) var(--vt-ease);
}

body.veltron-dark.vt-sidebar-open .veltron-mobile-drawer {
  pointer-events: auto;
  opacity: 1;
}

body.veltron-dark .veltron-mobile-drawer__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

body.veltron-dark .veltron-mobile-drawer__panel {
  position: absolute;
  top: 0;
  left: 0;
  width: min(86vw, 320px);
  height: 100%;
  background: var(--vt-bg-elevated);
  border-right: 1px solid var(--vt-border);
  padding: 1rem;
  transform: translateX(-100%);
  transition: transform 260ms var(--vt-ease);
  overflow: auto;
}

body.veltron-dark.vt-sidebar-open .veltron-mobile-drawer__panel {
  transform: translateX(0);
}

/* Responsive */
@media (max-width: 991.98px) {
  body.veltron-dark .veltron-shell {
    grid-template-columns: 1fr;
  }

  body.veltron-dark .veltron-aside {
    display: none;
  }

  body.veltron-dark .veltron-main {
    padding: var(--vt-space-4) var(--vt-space-4) var(--vt-space-8);
  }

  body.veltron-dark .veltron-topbar {
    padding: 0 var(--vt-space-4);
  }
}

@media (max-width: 575.98px) {
  body.veltron-dark .veltron-page-header {
    flex-direction: column;
    align-items: stretch;
  }

  body.veltron-dark .veltron-page-header__actions .btn {
    width: 100%;
  }

  body.veltron-dark .veltron-vps-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
  }

  body.veltron-dark .veltron-vps-actions form {
    display: contents;
  }

  body.veltron-dark .veltron-vps-actions .btn {
    width: 100%;
    min-width: 0;
    min-height: 44px;
  }
}

@media (min-width: 1440px) {
  body.veltron-dark .veltron-main {
    padding-left: var(--vt-space-8);
    padding-right: var(--vt-space-8);
  }
}

body.veltron-dark .veltron-aside .veltron-sidebar {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
  position: static;
  top: auto;
}

body.veltron-dark .veltron-mobile-nav-collapse {
  margin-bottom: var(--vt-space-4);
  padding: var(--vt-space-4);
  border-radius: var(--vt-radius-lg);
  border: 1px solid var(--vt-border);
  background: var(--vt-surface);
}

body.veltron-dark .veltron-mobile-nav .nav-link {
  min-height: 44px;
  display: flex;
  align-items: center;
  border-radius: var(--vt-radius-sm);
  color: var(--vt-muted) !important;
  font-weight: 500;
}

body.veltron-dark .veltron-mobile-nav .nav-link.active,
body.veltron-dark .veltron-mobile-nav .nav-link:hover {
  background: rgba(59, 130, 246, 0.12);
  color: var(--vt-accent-light) !important;
}

body.veltron-dark .veltron-locale-select {
  width: auto;
  min-width: 7rem;
  max-width: 10rem;
}

body.veltron-dark .veltron-sidebar__inner {
  min-height: 100%;
}

body.veltron-dark .veltron-sidebar-balance .balance-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--vt-muted);
}

body.veltron-dark .veltron-sidebar-balance .balance-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--vt-accent-light);
}

/* Global huraga / FOSSBilling page polish */
body.veltron-dark .list-group-item {
  background: var(--vt-surface);
  border-color: var(--vt-border);
  color: var(--vt-text);
}

body.veltron-dark .list-group-item-action:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--vt-accent-light);
}

body.veltron-dark .nav-tabs {
  border-bottom-color: var(--vt-border);
  gap: 0.25rem;
}

body.veltron-dark .nav-tabs .nav-link {
  border: 1px solid transparent;
  border-radius: var(--vt-radius-sm) var(--vt-radius-sm) 0 0;
  color: var(--vt-muted);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

body.veltron-dark .nav-tabs .nav-link.active {
  background: var(--vt-surface);
  border-color: var(--vt-border) var(--vt-border) var(--vt-surface);
  color: var(--vt-accent-light);
}

body.veltron-dark .invoice-gateway,
body.veltron-dark .veltron-invoice-gateway {
  border: 1px solid var(--vt-border) !important;
  border-radius: var(--vt-radius) !important;
  background: var(--vt-surface-2);
  transition: border-color var(--vt-dur) var(--vt-ease), box-shadow var(--vt-dur) var(--vt-ease);
}

body.veltron-dark .btn-check:checked + .veltron-invoice-gateway {
  border-color: var(--vt-accent) !important;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.18);
}

body.veltron-dark .wait .spinner-border {
  color: var(--vt-accent);
}

body.veltron-dark .toast {
  border-radius: var(--vt-radius);
  border: 1px solid var(--vt-border);
  background: var(--vt-surface);
  box-shadow: var(--vt-shadow-md);
}

body.veltron-dark code {
  color: var(--vt-accent-light);
  background: rgba(59, 130, 246, 0.1);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
}

body.veltron-dark .veltron-balance-amount {
  min-width: min(100%, 12rem);
}

body.veltron-dark .veltron-balance-topup .btn {
  min-width: 10rem;
}

@media (max-width: 575.98px) {
  body.veltron-dark .veltron-balance-topup .btn {
    width: 100%;
    min-width: 0;
  }
}

/* Admin area (injected on admin theme) */
body.admin .card,
body[class*="admin"] .card {
  border-radius: var(--vt-radius-lg) !important;
}

body.admin .btn-primary,
body[class*="admin"] .btn-primary {
  background: linear-gradient(180deg, var(--vt-accent) 0%, var(--vt-accent-dark) 100%) !important;
  border-color: var(--vt-accent-dark) !important;
}