@charset "UTF-8";
:root {
  --color-body-bg: #f1f5f9;
  --color-content-bg: #ffffff;
  --color-primary-bg: #0f172a;
  --color-sidebar-bg: #0f172a;
  --color-sidebar-text: #94a3b8;
  --color-sidebar-active-bg: rgba(0, 212, 255, 0.1);
  --color-sidebar-active-text: #00d4ff;
  --color-sidebar-hover-bg: rgba(255, 255, 255, 0.06);
  --color-navbar-text: #f1f5f9;
  --color-navbar-border: rgba(255, 255, 255, 0.07);
  --color-text: #0f172a;
  --color-text-dim: #475569;
  --color-border: #e2e8f0;
  --color-dropdown-bg: #ffffff;
  --color-dropdown-text: #0f172a;
  --color-dropdown-border: #e2e8f0;
  --color-dropdown-header-bg: #f8fafc;
  --color-dropdown-header-text: #475569;
  --color-input-bg: #ffffff;
  --color-input-border: #cbd5e1;
  --color-input-focus: #0ea5e9;
  --color-btn-primary: #0ea5e9;
  --color-btn-primary-hover: #0284c7;
  --color-btn-disabled: #bae6fd;
  --color-logout-text: #ef4444;
  --color-logout-hover-bg: #fef2f2;
  --color-logout-hover-text: #dc2626;
  --color-spinner-border: #e2e8f0;
  --color-spinner-top: #0ea5e9;
  --color-toggle-bg: #cbd5e1;
  --color-toggle-bg-checked: #0ea5e9;
  --color-toggle-knob: #ffffff;
  --color-card-bg: #f8fafc;
  --color-card-border: #e2e8f0;
  --color-stat-value: #0f172a;
  --color-tag-bg: #e0f2fe;
  --color-tag-text: #0284c7;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-dropdown: 0 8px 24px rgba(0,0,0,0.08);
}

html.dark {
  --color-body-bg: #0a0f1e;
  --color-content-bg: #0d1526;
  --color-primary-bg: #080d1a;
  --color-sidebar-bg: #080d1a;
  --color-sidebar-text: #64748b;
  --color-sidebar-active-bg: rgba(0, 212, 255, 0.1);
  --color-sidebar-active-text: #00d4ff;
  --color-sidebar-hover-bg: rgba(255, 255, 255, 0.05);
  --color-navbar-text: #e2e8f0;
  --color-navbar-border: rgba(255, 255, 255, 0.06);
  --color-text: #e2e8f0;
  --color-text-dim: #64748b;
  --color-border: rgba(255, 255, 255, 0.07);
  --color-dropdown-bg: #111827;
  --color-dropdown-text: #e2e8f0;
  --color-dropdown-border: rgba(255, 255, 255, 0.08);
  --color-dropdown-header-bg: #0d1526;
  --color-dropdown-header-text: #64748b;
  --color-input-bg: #111827;
  --color-input-border: rgba(255, 255, 255, 0.1);
  --color-input-focus: #00d4ff;
  --color-btn-primary: #00d4ff;
  --color-btn-primary-hover: #33dcff;
  --color-btn-disabled: rgba(0, 212, 255, 0.3);
  --color-logout-text: #f87171;
  --color-logout-hover-bg: rgba(239, 68, 68, 0.1);
  --color-logout-hover-text: #fca5a5;
  --color-spinner-border: rgba(255, 255, 255, 0.08);
  --color-spinner-top: #00d4ff;
  --color-toggle-bg: rgba(255, 255, 255, 0.1);
  --color-toggle-bg-checked: #00d4ff;
  --color-toggle-knob: #ffffff;
  --color-card-bg: #111827;
  --color-card-border: rgba(255, 255, 255, 0.07);
  --color-stat-value: #00d4ff;
  --color-tag-bg: rgba(0, 212, 255, 0.1);
  --color-tag-text: #00d4ff;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-dropdown: 0 8px 32px rgba(0,0,0,0.4);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--color-body-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  cursor: pointer;
}

input, textarea, select {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

:focus-visible {
  outline: 2px solid var(--color-input-focus);
  outline-offset: 2px;
  border-radius: 3px;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-btn-primary);
  color: #080d1a;
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 0 0 6px 6px;
  text-decoration: none;
  transition: top 0.15s;
}
.skip-link:focus {
  top: 0;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-primary-bg);
  color: var(--color-navbar-text);
  padding: 0 1.25rem;
  position: sticky;
  top: 0;
  z-index: 1020;
  height: 56px;
  border-bottom: 1px solid var(--color-navbar-border);
  flex-shrink: 0;
}
.navbar .navbar-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.navbar .mobile-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  color: var(--color-navbar-text);
  font-size: 1.25rem;
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.15s;
}
.navbar .mobile-menu-btn:hover {
  background: var(--color-sidebar-hover-bg);
}
.navbar .brand {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.02em;
  color: #e2e8f0;
}
.navbar .brand span {
  color: #00d4ff;
}
.navbar .navbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.layout {
  display: flex;
  flex: 1;
  height: calc(100vh - 56px);
  overflow: hidden;
}

.content {
  flex: 1;
  padding: 2rem;
  background: var(--color-content-bg);
  overflow-y: auto;
  min-width: 0;
}
.content:focus {
  outline: 2px solid var(--color-input-focus);
  outline-offset: -4px;
}

.page-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 1.5rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.page-header h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-card);
}
.stat-card .stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-dim);
  margin-bottom: 0.4rem;
}
.stat-card .stat-value {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-stat-value);
  line-height: 1;
}
.stat-card .stat-sub {
  font-size: 0.8rem;
  color: var(--color-text-dim);
  margin-top: 0.35rem;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  font-size: 0.875rem;
}
.data-table thead tr {
  background: var(--color-body-bg);
  border-bottom: 1px solid var(--color-border);
}
.data-table thead tr th {
  padding: 0.65rem 1rem;
  text-align: left;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-dim);
}
.data-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background 0.12s;
}
.data-table tbody tr:last-child {
  border-bottom: none;
}
.data-table tbody tr:hover {
  background: var(--color-body-bg);
}
.data-table td {
  padding: 0.75rem 1rem;
  color: var(--color-text);
  vertical-align: middle;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.btn-admin {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-admin-primary {
  background: var(--color-btn-primary);
  color: #080d1a;
}
.btn-admin-primary:hover {
  background: var(--color-btn-primary-hover);
}
.btn-admin-primary:disabled {
  background: var(--color-btn-disabled);
  cursor: not-allowed;
}
.btn-admin-ghost {
  background: transparent;
  color: var(--color-text-dim);
  border: 1px solid var(--color-border);
}
.btn-admin-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-input-border);
}
.btn-admin-danger {
  background: transparent;
  color: var(--color-logout-text);
  border: 1px solid rgba(239, 68, 68, 0.2);
}
.btn-admin-danger:hover {
  background: var(--color-logout-hover-bg);
  color: var(--color-logout-hover-text);
}

.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-dim);
  font-size: 0.9rem;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 1rem;
}
.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
}
.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--color-border);
}
.setting-row:last-child {
  border-bottom: none;
}
.setting-row .setting-info h3 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.setting-row .setting-info p {
  font-size: 0.8rem;
  color: var(--color-text-dim);
}

.error {
  color: #ef4444;
  font-size: 0.875rem;
}

.sidebar {
  width: 240px;
  background: var(--color-sidebar-bg);
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
  border-right: 1px solid var(--color-navbar-border);
  display: flex;
  flex-direction: column;
}
.sidebar.collapsed {
  width: 56px;
}
.sidebar.collapsed .sidebar-toggle-btn,
.sidebar.collapsed .sidebar-nav a {
  justify-content: center;
  padding: 0.7rem 0;
  gap: 0;
}
.sidebar.collapsed .nav-label {
  opacity: 0;
  max-width: 0;
  overflow: hidden;
}
.sidebar.collapsed .nav-icon {
  width: 56px;
  text-align: center;
}

.sidebar-toggle-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.8rem 0.75rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-navbar-border);
  color: var(--color-sidebar-text);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, padding 0.25s, gap 0.25s;
  flex-shrink: 0;
}
.sidebar-toggle-btn .nav-icon {
  font-size: 0.85rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
  transition: width 0.25s, transform 0.25s;
  opacity: 0.5;
}
.sidebar-toggle-btn .nav-label {
  white-space: nowrap;
  max-width: 200px;
  transition: opacity 0.2s, max-width 0.25s;
}
.sidebar-toggle-btn:hover {
  background: var(--color-sidebar-hover-bg);
  color: #e2e8f0;
}
.sidebar-toggle-btn:hover .nav-icon {
  opacity: 0.85;
}

.sidebar-nav {
  padding: 0.75rem 0.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  flex: 1;
  min-height: 0;
}
.sidebar-nav a {
  color: var(--color-sidebar-text);
  text-decoration: none;
  padding: 0.6rem 0.75rem;
  border-radius: 7px;
  transition: background 0.12s, color 0.12s, padding 0.25s, gap 0.25s;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
}
.sidebar-nav a .nav-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
  width: 22px;
  text-align: center;
  opacity: 0.75;
  transition: opacity 0.12s, width 0.25s;
  font-weight: 700;
}
.sidebar-nav a .nav-label {
  white-space: nowrap;
  max-width: 200px;
  transition: opacity 0.2s, max-width 0.25s;
}
.sidebar-nav a:hover {
  background: var(--color-sidebar-hover-bg);
  color: #e2e8f0;
}
.sidebar-nav a:hover .nav-icon {
  opacity: 1;
}
.sidebar-nav a.active {
  background: var(--color-sidebar-active-bg);
  color: var(--color-sidebar-active-text);
}
.sidebar-nav a.active .nav-icon {
  opacity: 1;
}
.sidebar-nav a:focus-visible {
  outline: 2px solid var(--color-sidebar-active-text);
  outline-offset: -2px;
}

.sidebar-toggle-btn:focus-visible {
  outline: 2px solid var(--color-sidebar-active-text);
  outline-offset: -2px;
}

.user-dropdown {
  position: relative;
  display: inline-block;
}
.user-dropdown .dropdown-trigger {
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  border-radius: 7px;
  transition: opacity 0.15s;
}
.user-dropdown .dropdown-trigger:hover {
  opacity: 0.8;
}
.user-dropdown .dropdown-trigger:focus-visible {
  outline: 2px solid var(--color-input-focus);
  outline-offset: 3px;
  border-radius: 7px;
}
.user-dropdown .dropdown-trigger .avatar {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: linear-gradient(135deg, #00d4ff 0%, #a78bfa 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: #080d1a;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: 0;
}
.user-dropdown .dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  background: var(--color-dropdown-bg);
  border: 1px solid var(--color-dropdown-border);
  border-radius: 12px;
  box-shadow: var(--shadow-dropdown);
  min-width: 224px;
  z-index: 1100;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-6px) scale(0.97);
  transition: opacity 0.14s ease, transform 0.14s ease;
  pointer-events: none;
}
.user-dropdown .dropdown-menu.open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}
.user-dropdown .dropdown-menu .dropdown-header {
  padding: 0.85rem 1rem 0.8rem;
  background: var(--color-dropdown-header-bg);
  border-bottom: 1px solid var(--color-dropdown-border);
}
.user-dropdown .dropdown-menu .dropdown-header .header-label {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-dropdown-header-text);
  margin-bottom: 0.25rem;
}
.user-dropdown .dropdown-menu .dropdown-header .header-email {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.user-dropdown .dropdown-menu .dropdown-body {
  padding: 0.35rem 0;
}

.dropdown-divider {
  height: 1px;
  background: var(--color-dropdown-border);
  margin: 0.3rem 0;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.6rem 1rem;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  text-decoration: none;
  cursor: pointer;
  text-align: left;
  transition: background 0.12s;
}
.dropdown-item .item-icon {
  font-size: 0.95rem;
  opacity: 0.55;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
  transition: opacity 0.12s;
}
.dropdown-item:hover {
  background: rgba(0, 0, 0, 0.04);
}
.dropdown-item:hover .item-icon {
  opacity: 0.85;
}
.dropdown-item:focus-visible {
  outline: none;
  background: rgba(14, 165, 233, 0.1);
  box-shadow: inset 0 0 0 2px var(--color-input-focus);
}

html.dark .dropdown-item:hover {
  background: rgba(255, 255, 255, 0.06);
}

html.dark .dropdown-item:focus-visible {
  background: rgba(0, 212, 255, 0.08);
  box-shadow: inset 0 0 0 2px var(--color-input-focus);
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  width: 100%;
  text-align: left;
  padding: 0.6rem 1rem;
  background: transparent;
  border: none;
  font-family: inherit;
  color: var(--color-logout-text);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.12s, color 0.12s;
}
.logout-btn .item-icon {
  font-size: 0.95rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.logout-btn:hover {
  background: var(--color-logout-hover-bg);
  color: var(--color-logout-hover-text);
}
.logout-btn:focus-visible {
  outline: none;
  background: var(--color-logout-hover-bg);
  color: var(--color-logout-hover-text);
  box-shadow: inset 0 0 0 2px var(--color-logout-text);
}

.app-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  gap: 1rem;
  background: var(--color-body-bg);
}
.app-loading .spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-spinner-border);
  border-top-color: var(--color-spinner-top);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.app-loading .loading-text {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.inline-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-body-bg);
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
}
.login-page::before {
  content: "";
  position: absolute;
  top: 30%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(0, 212, 255, 0.04) 0%, transparent 65%);
  pointer-events: none;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 14px;
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-dropdown);
  position: relative;
  z-index: 1;
}
.login-card .login-logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text);
  margin-bottom: 2rem;
  text-align: center;
}
.login-card .login-logo span {
  color: #00d4ff;
}
.login-card h1 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}
.login-card .login-sub {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-bottom: 1.75rem;
}
.login-card .form-group {
  margin-bottom: 1rem;
}
.login-card .form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-dim);
  margin-bottom: 0.4rem;
}
.login-card .form-group input {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--color-input-bg);
  border: 1px solid var(--color-input-border);
  border-radius: 7px;
  color: var(--color-text);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-card .form-group input::placeholder {
  color: var(--color-text-dim);
  opacity: 0.6;
}
.login-card .form-group input:focus {
  border-color: var(--color-input-focus);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}
.login-card .form-group input:-webkit-autofill, .login-card .form-group input:-webkit-autofill:hover, .login-card .form-group input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px var(--color-input-bg) inset;
  -webkit-text-fill-color: var(--color-text);
  transition: background-color 5000s ease-in-out 0s;
}
.login-card .login-btn {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--color-btn-primary);
  color: #080d1a;
  border: none;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: background 0.15s, box-shadow 0.15s, transform 0.1s;
}
.login-card .login-btn:hover:not(:disabled) {
  background: var(--color-btn-primary-hover);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}
.login-card .login-btn:active:not(:disabled) {
  transform: translateY(1px);
}
.login-card .login-btn:disabled {
  background: var(--color-btn-disabled);
  cursor: not-allowed;
}
.login-card .field-error {
  font-size: 0.75rem;
  color: #f87171;
  margin-top: 0.35rem;
  min-height: 1.1em;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.login-card .field-error::before {
  content: "⚠";
  font-size: 0.7rem;
  position: relative;
  top: 1px;
}
.login-card .login-error {
  margin-top: 1rem;
  padding: 0.65rem 0.85rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 7px;
  font-size: 0.825rem;
  color: #f87171;
  text-align: center;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
  flex-shrink: 0;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle-switch .slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--color-toggle-bg);
  border-radius: 24px;
  transition: background 0.2s;
}
.toggle-switch .slider::before {
  content: "";
  position: absolute;
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background: var(--color-toggle-knob);
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}
.toggle-switch input:checked + .slider {
  background: var(--color-toggle-bg-checked);
}
.toggle-switch input:checked + .slider::before {
  transform: translateX(22px);
}
.toggle-switch input:focus-visible + .slider {
  outline: 2px solid var(--color-input-focus);
  outline-offset: 2px;
}

.sidebar-backdrop {
  display: none;
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  .sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    z-index: 1020;
    width: 240px !important;
    height: calc(100vh - 56px);
    transform: translateX(-100%);
    transition: transform 0.22s ease;
  }
  .sidebar.open {
    transform: translateX(0);
  }
  .sidebar .sidebar-toggle-btn {
    display: none;
  }
  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    top: 56px;
    z-index: 1019;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease;
  }
  .sidebar-backdrop.active {
    opacity: 1;
    pointer-events: auto;
  }
  .content {
    padding: 1.25rem 1rem;
  }
  .card-grid {
    grid-template-columns: 1fr 1fr;
  }
  .data-table {
    font-size: 0.8rem;
  }
  .data-table th, .data-table td {
    padding: 0.6rem 0.75rem;
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}
@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}
.dashboard-welcome {
  margin-bottom: 1.75rem;
}
.dashboard-welcome h1 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.dashboard-welcome p {
  font-size: 0.9rem;
  color: var(--color-text-dim);
}

.users-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  gap: 1rem;
}
.users-toolbar .users-count {
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

.user-email {
  font-weight: 500;
}

.user-actions {
  display: flex;
  gap: 0.5rem;
}

.settings-section {
  background: var(--color-card-bg);
  border: 1px solid var(--color-card-border);
  border-radius: 10px;
  padding: 0 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-card);
}
.settings-section h2 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--color-text-dim);
  padding: 1.1rem 0 0.6rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 0;
}