/* ZK License Manager — Design system enterprise */

:root {
  --zk-primary: #7ac143;
  --zk-primary-hover: #6aad3a;
  --zk-primary-active: #5f9634;
  --zk-primary-rgb: 122, 193, 67;
  --zk-primary-subtle: #eef8e6;
  --zk-secondary: #1e293b;
  --zk-secondary-muted: #334155;
  --zk-accent: #d4edbc;
  --zk-accent-strong: #b8e095;
  --zk-surface: #f8fafc;
  --zk-surface-elevated: #ffffff;
  --zk-border: #e2e8f0;
  --zk-border-strong: #cbd5e1;
  --zk-text: #0f172a;
  --zk-text-muted: #64748b;
  --zk-sidebar-width: 260px;
  --zk-topbar-height: 56px;
  --zk-radius: 0.5rem;
  --zk-radius-lg: 0.75rem;
  --zk-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --zk-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
  --zk-transition: 0.15s ease;

  --bs-primary: var(--zk-primary);
  --bs-primary-rgb: var(--zk-primary-rgb);
  --bs-body-bg: var(--zk-surface);
  --bs-body-color: var(--zk-text);
  --bs-border-color: var(--zk-border);
  --bs-link-color: var(--zk-primary-active);
  --bs-link-hover-color: var(--zk-primary-hover);
  --bs-focus-ring-color: rgba(var(--zk-primary-rgb), 0.35);
  --bs-border-radius: var(--zk-radius);
  --bs-border-radius-sm: 0.375rem;
  --bs-border-radius-lg: var(--zk-radius-lg);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 15px;
  }
}

body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--zk-text);
  background: var(--zk-surface);
  -webkit-font-smoothing: antialiased;
}

/* —— App shell —— */

.app-body {
  min-height: 100vh;
}

.app-shell {
  display: flex;
  min-height: 100vh;
}

.app-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1040;
  width: var(--zk-sidebar-width);
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--zk-secondary);
  color: #e2e8f0;
  transform: translateX(-100%);
  transition: transform var(--zk-transition);
}

.app-sidebar.is-open {
  transform: translateX(0);
}

@media (min-width: 992px) {
  .app-sidebar {
    transform: translateX(0);
  }
}

.app-sidebar__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 1rem;
  text-decoration: none;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.app-sidebar__brand:hover {
  color: #fff;
}

.app-sidebar__logo {
  display: block;
  flex-shrink: 0;
  max-height: 40px;
  max-width: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: left center;
  background: transparent;
}

.app-sidebar__title {
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.app-sidebar__subtitle {
  font-size: 0.6875rem;
  color: #94a3b8;
  font-weight: 400;
}

.app-nav {
  flex: 1;
  padding: 0.75rem 0.75rem 1rem;
  overflow-y: auto;
}

.app-nav__label {
  display: block;
  padding: 0.5rem 0.75rem 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748b;
}

.app-nav__link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 0.75rem;
  margin-bottom: 2px;
  border-radius: var(--zk-radius);
  color: #cbd5e1;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background var(--zk-transition), color var(--zk-transition);
}

.app-nav__link i {
  font-size: 1.125rem;
  opacity: 0.85;
}

.app-nav__link:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
}

.app-nav__link.active {
  background: rgba(var(--zk-primary-rgb), 0.18);
  color: #fff;
}

.app-nav__link.active i {
  color: var(--zk-primary);
}

.app-sidebar__footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.75rem;
  color: #64748b;
}

.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  margin-left: 0;
}

@media (min-width: 992px) {
  .app-main {
    margin-left: var(--zk-sidebar-width);
  }
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 1030;
  height: var(--zk-topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  background: var(--zk-surface-elevated);
  border-bottom: 1px solid var(--zk-border);
  box-shadow: var(--zk-shadow-sm);
}

@media (min-width: 768px) {
  .app-topbar {
    padding: 0 1.5rem;
  }
}

.app-topbar__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--zk-border);
  border-radius: var(--zk-radius);
  background: transparent;
  color: var(--zk-secondary-muted);
  cursor: pointer;
  transition: background var(--zk-transition), border-color var(--zk-transition);
}

.app-topbar__toggle:hover {
  background: var(--zk-primary-subtle);
  border-color: var(--zk-accent);
}

@media (min-width: 992px) {
  .app-topbar__toggle {
    display: none;
  }
}

.app-topbar__user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.app-topbar__email {
  font-size: 0.8125rem;
  color: var(--zk-text-muted);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 575.98px) {
  .app-topbar__email {
    display: none;
  }
}

.app-content {
  flex: 1;
  padding: 1.25rem 1rem 2rem;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .app-content {
    padding: 1.5rem 1.5rem 2.5rem;
  }
}

.app-sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1035;
  background: rgba(15, 23, 42, 0.45);
}

.app-sidebar-backdrop.is-visible {
  display: block;
}

@media (min-width: 992px) {
  .app-sidebar-backdrop {
    display: none !important;
  }
}

/* —— Page header —— */

.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.page-title {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--zk-secondary);
  line-height: 1.3;
}

.page-description {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--zk-text-muted);
}

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

/* —— Breadcrumb —— */

.breadcrumb-zk {
  --bs-breadcrumb-divider: "›";
  margin-bottom: 0.75rem;
  font-size: 0.8125rem;
}

.breadcrumb-zk .breadcrumb-item a {
  color: var(--zk-text-muted);
  text-decoration: none;
}

.breadcrumb-zk .breadcrumb-item a:hover {
  color: var(--zk-primary-active);
}

.breadcrumb-zk .breadcrumb-item.active {
  color: var(--zk-text);
}

/* —— Cards —— */

.card {
  border: 1px solid var(--zk-border);
  border-radius: var(--zk-radius-lg);
  box-shadow: var(--zk-shadow-sm);
  background: var(--zk-surface-elevated);
}

.card.shadow-sm {
  box-shadow: var(--zk-shadow-sm);
}

.card-header {
  padding: 0.875rem 1.25rem;
  background: transparent;
  border-bottom: 1px solid var(--zk-border);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--zk-secondary);
}

.card-body {
  padding: 1.25rem;
}

.card-footer {
  padding: 0.75rem 1.25rem;
  background: var(--zk-surface);
  border-top: 1px solid var(--zk-border);
}

.filter-card .card-body {
  padding: 1.25rem 1.25rem 0.25rem;
}

/* —— Tables —— */

.table {
  --bs-table-bg: transparent;
  font-size: 0.875rem;
}

.table > thead {
  background: var(--zk-surface);
}

.table > thead th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--zk-text-muted);
  border-bottom: 1px solid var(--zk-border);
  padding: 0.75rem 1rem;
  white-space: nowrap;
}

.table > tbody td {
  padding: 0.875rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--zk-border);
}

.table-hover > tbody > tr:hover {
  background-color: var(--zk-primary-subtle);
}

.table > tbody > tr:last-child > td {
  border-bottom: none;
}

.table-responsive {
  border-radius: 0 0 var(--zk-radius-lg) var(--zk-radius-lg);
}

.table-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  justify-content: flex-end;
}

/* —— Buttons —— */

.btn {
  font-weight: 500;
  border-radius: var(--zk-radius);
  padding: 0.4375rem 0.875rem;
  font-size: 0.875rem;
  transition: background var(--zk-transition), border-color var(--zk-transition), color var(--zk-transition), box-shadow var(--zk-transition);
}

.btn-primary {
  --bs-btn-bg: var(--zk-primary);
  --bs-btn-border-color: var(--zk-primary);
  --bs-btn-hover-bg: var(--zk-primary-hover);
  --bs-btn-hover-border-color: var(--zk-primary-hover);
  --bs-btn-active-bg: var(--zk-primary-active);
  --bs-btn-active-border-color: var(--zk-primary-active);
  --bs-btn-focus-shadow-rgb: var(--zk-primary-rgb);
  color: #fff;
}

.btn-outline-primary {
  --bs-btn-color: var(--zk-primary-active);
  --bs-btn-border-color: var(--zk-accent-strong);
  --bs-btn-hover-bg: var(--zk-primary-subtle);
  --bs-btn-hover-border-color: var(--zk-primary);
  --bs-btn-hover-color: var(--zk-primary-active);
  --bs-btn-active-bg: var(--zk-accent);
}

.btn-outline-secondary {
  --bs-btn-border-color: var(--zk-border-strong);
  --bs-btn-color: var(--zk-secondary-muted);
  --bs-btn-hover-bg: var(--zk-surface);
  --bs-btn-hover-border-color: var(--zk-border-strong);
  --bs-btn-hover-color: var(--zk-secondary);
}

.btn-sm {
  padding: 0.3125rem 0.625rem;
  font-size: 0.8125rem;
}

.btn:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible {
  outline: 2px solid var(--zk-primary);
  outline-offset: 2px;
  box-shadow: none;
}

/* —— Forms —— */

.form-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--zk-secondary-muted);
  margin-bottom: 0.35rem;
}

.form-control,
.form-select {
  border-color: var(--zk-border-strong);
  border-radius: var(--zk-radius);
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  transition: border-color var(--zk-transition), box-shadow var(--zk-transition);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--zk-primary);
  box-shadow: 0 0 0 3px rgba(var(--zk-primary-rgb), 0.15);
}

.form-control::placeholder {
  color: #94a3b8;
}

.form-text {
  font-size: 0.8125rem;
  color: var(--zk-text-muted);
}

.form-section {
  margin-bottom: 1.75rem;
  padding-bottom: 0.25rem;
}

.form-section__title {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--zk-text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--zk-border);
}

.field-validation-error,
.text-danger:not(.alert) {
  font-size: 0.8125rem;
  margin-top: 0.25rem;
  display: block;
}

[data-valmsg-summary="true"].validation-summary-valid {
  display: none;
}

.validation-summary-errors:not(.validation-summary-valid) {
  font-size: 0.875rem;
  padding: 0.75rem 1rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--zk-radius);
  margin-bottom: 1rem;
}

.validation-summary-errors:not(.validation-summary-valid) ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

/* —— Badges —— */

.zk-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25em 0.65em;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 999px;
  line-height: 1.2;
}

.zk-badge--success {
  background: #ecfdf5;
  color: #047857;
}

.zk-badge--warning {
  background: #fffbeb;
  color: #b45309;
}

.zk-badge--danger {
  background: #fef2f2;
  color: #b91c1c;
}

.zk-badge--muted {
  background: #f1f5f9;
  color: #475569;
}

.badge.fs-6 {
  font-size: 0.8125rem !important;
}

/* —— Alerts —— */

.alert {
  border-radius: var(--zk-radius);
  border: 1px solid transparent;
  font-size: 0.875rem;
}

.alert-success {
  background: #ecfdf5;
  border-color: #a7f3d0;
  color: #065f46;
}

.alert-danger {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

.alert-warning {
  background: #fffbeb;
  border-color: #fde68a;
  color: #92400e;
}

/* —— Pagination —— */

.pagination .page-link {
  border-color: var(--zk-border);
  color: var(--zk-secondary-muted);
  font-size: 0.8125rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--zk-radius) !important;
  margin: 0 2px;
}

.pagination .page-item.active .page-link {
  background: var(--zk-primary);
  border-color: var(--zk-primary);
  color: #fff;
}

.pagination .page-link:hover {
  background: var(--zk-primary-subtle);
  border-color: var(--zk-accent-strong);
  color: var(--zk-primary-active);
}

/* —— Definition lists —— */

dl.row dt {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--zk-text-muted);
}

dl.row dd {
  font-size: 0.875rem;
  color: var(--zk-text);
}

/* —— Code / links —— */

code {
  font-size: 0.8125em;
  padding: 0.15em 0.4em;
  background: var(--zk-primary-subtle);
  color: var(--zk-primary-active);
  border-radius: 0.25rem;
}

a code {
  transition: background var(--zk-transition);
}

a:hover code {
  background: var(--zk-accent);
}

.license-key-link {
  text-decoration: none;
  font-weight: 500;
}

.license-key-link code {
  color: var(--zk-primary-active);
}

/* —— Toolbar (bulk actions) —— */

.table-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: var(--zk-surface);
  border-bottom: 1px solid var(--zk-border);
  font-size: 0.8125rem;
  color: var(--zk-text-muted);
}

.table-toolbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* —— Modal —— */

.modal-content {
  border: 1px solid var(--zk-border);
  border-radius: var(--zk-radius-lg);
  box-shadow: 0 8px 30px rgba(15, 23, 42, 0.12);
}

.modal-header {
  border-bottom-color: var(--zk-border);
  padding: 1rem 1.25rem;
}

.modal-body pre {
  font-size: 0.75rem;
  max-height: 240px;
  overflow: auto;
  background: var(--zk-surface) !important;
  border-color: var(--zk-border) !important;
}

.modal-backdrop-custom {
  background: rgba(15, 23, 42, 0.5) !important;
}

/* —— Login —— */

.login-body {
  min-height: 100vh;
  background: linear-gradient(145deg, var(--zk-secondary) 0%, #0f172a 50%, #1e3a1a 100%);
}

.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--zk-surface-elevated);
  border-radius: var(--zk-radius-lg);
  padding: 2rem 2rem 1.75rem;
  border: 1px solid var(--zk-border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.login-card__brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 0 1rem;
  padding: 0;
}

.login-card__logo {
  display: block;
  max-height: 88px;
  max-width: min(100%, 280px);
  width: auto;
  height: auto;
  object-fit: contain;
  margin: 0;
}

.login-card__intro {
  text-align: center;
  margin-bottom: 1.375rem;
}

.login-card h1 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--zk-secondary);
  margin: 0;
}

.login-card .login-subtitle {
  font-size: 0.875rem;
  color: var(--zk-text-muted);
  margin-top: 0.25rem;
  margin-bottom: 0;
}

/* —— Empty state —— */

.empty-state td {
  padding: 3rem 1rem !important;
}

.empty-state__icon {
  font-size: 2rem;
  color: var(--zk-border-strong);
  display: block;
  margin-bottom: 0.5rem;
}

/* —— Utilities —— */

.text-muted {
  color: var(--zk-text-muted) !important;
}

.app-footer {
  padding: 0.75rem 1.5rem;
  font-size: 0.75rem;
  color: var(--zk-text-muted);
  border-top: 1px solid var(--zk-border);
  background: var(--zk-surface-elevated);
}

.sr-only-focusable:focus {
  position: absolute;
  width: auto;
  height: auto;
  clip: auto;
}

.table-danger > td {
  background-color: #fef2f2;
}

.table-warning > td {
  background-color: #fffbeb;
}

.btn.is-loading {
  pointer-events: none;
  opacity: 0.85;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}