:root {
  --login-bg-gradient: var(--primary-gradient);
  --login-overlay: rgba(0, 0, 0, 0.2);
  --form-bg: #ffffff;
  --form-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
  --form-border-radius: 16px;
  --input-border: #d1d5db;
  --input-focus: var(--info);
  --input-bg: #ffffff;
  --login-btn-gradient: var(--primary-gradient);
  --login-btn-hover: var(--secondary-gradient);
  --success-color: var(--success);
  --error-color: var(--danger);
  --info-color: var(--info);
  --warning-color: var(--warning);
  --login-title-size: 1.5rem;
  --login-subtitle-size: 1rem;
  --login-input-size: 0.875rem;
  --login-button-size: 0.875rem;
  --form-padding: 2rem;
  --input-spacing: 1.5rem;
  --button-padding: 0.75rem 1rem;
}

.login-overlay { display: none !important; }

.login-page-body {
  background: var(--login-bg-gradient);
  min-height: 100vh;
}

.login-overlay {
  position: fixed;
  inset: 0;
  background: var(--login-bg-gradient);
  z-index: 50;
}
.login-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--login-overlay);
}
.login-container {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.login-form-card {
  background: var(--form-bg);
  border-radius: 1rem;
  box-shadow: var(--form-shadow);
  width: 100%;
  max-width: 28rem;
  padding: var(--form-padding);
  position: relative;
}
.form-header {
  text-align: center;
  margin-bottom: 2rem;
}
.form-logo {
  width: 4rem;
  height: 4rem;
  background: var(--login-btn-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  color: #fff;
  font-weight: bold;
}
.form-title {
  font-size: var(--login-title-size);
  font-weight: 700;
  color: #111827;
  margin-bottom: 0.5rem;
}
.form-subtitle {
  color: #6b7280;
}
.form-group { margin-bottom: var(--input-spacing); }
.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: #374151;
  margin-bottom: 0.5rem;
}
.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--input-border);
  border-radius: 0.5rem;
  font-size: var(--login-input-size);
  transition: all 0.2s;
}
.form-input:focus {
  outline: none;
  border-color: transparent;
  box-shadow: 0 0 0 2px var(--input-focus);
}
.password-input-wrapper { position: relative; }
.password-toggle {
  position: absolute;
  right: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: #9ca3af;
  cursor: pointer;
  transition: color 0.2s;
}
.password-toggle:hover { color: #6b7280; }
.login-submit-btn {
  width: 100%;
  background: var(--login-btn-gradient);
  color: #fff;
  padding: var(--button-padding);
  border-radius: 0.5rem;
  font-size: var(--login-button-size);
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
}
.login-submit-btn:hover {
  background: var(--login-btn-hover);
  transform: scale(1.02);
}
.social-login-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
.social-login-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 1px solid #d1d5db;
  border-radius: 0.5rem;
  background: white;
  transition: background 0.2s;
}
.social-login-btn:hover { background: #f9fafb; }
.demo-account-tip {
  margin-top: 1.5rem;
  padding: 1rem;
  background: #eff6ff;
  border-radius: 0.5rem;
}
.demo-account-header {
  font-size: 0.875rem;
  font-weight: 500;
  color: #1e40af;
  margin-bottom: 0.25rem;
}
.demo-account-info {
  font-size: 0.75rem;
  color: #1d4ed8;
  line-height: 1.4;
}
@media (max-width: 640px) {
  .login-form-card { margin: 1rem; padding: 1.5rem; }
  .form-logo { width: 3rem; height: 3rem; }
  .form-title { font-size: 1.25rem; }
  .social-login-grid { grid-template-columns: 1fr; }
}
.loading-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
.button-loading {
  position: relative;
  color: transparent !important;
}
.button-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1rem;
  height: 1rem;
  border: 2px solid transparent;
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
.user-section {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.user-demo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #6b7280;
}
.login-button {
  background: #3b82f6;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s;
}
.login-button:hover {
  background: #2563eb;
  transform: translateY(-1px);
}
.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: #6b7280;
  transition: color 0.2s;
}
.user-menu-trigger:hover { color: #111827; }
.user-dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  margin-top: 0.5rem;
  background: white;
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  z-index: 50;
  min-width: 12rem;
}
.user-dropdown-item {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: #374151;
  text-align: left;
  border: none;
  background: none;
  cursor: pointer;
  transition: background 0.2s;
}
.user-dropdown-item:hover { background: #f3f4f6; }
.user-dropdown-divider {
  border-top: 1px solid #f3f4f6;
  margin: 0.25rem 0;
}
.user-menu {
  position: relative;
}
.user-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid #e5e7eb;
  background: #f3f4f6;
  border-radius: 9999px;
  padding: 6px 14px 6px 8px;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.user-trigger:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.25);
  border-color: #2563eb;
}
.user-trigger:hover {
  border-color: #d1d5db;
}
.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: #2563eb;
  color: #fff;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
  font-size: 14px;
}
.user-trigger-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-align: left;
}
.user-trigger-text .user-name {
  font-weight: 600;
  color: #111827;
  font-size: 14px;
}
.user-trigger-text .user-role {
  font-size: 12px;
  color: #6b7280;
}
.user-trigger-arrow {
  font-size: 12px;
  color: #6b7280;
  margin-left: 4px;
}
.user-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 260px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
  border: 1px solid #e5e7eb;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  z-index: 90;
}
.user-dropdown[hidden] {
  display: none;
}
.user-dropdown-header {
  display: flex;
  gap: 12px;
  align-items: center;
}
.user-dropdown-header .user-avatar {
  width: 36px;
  height: 36px;
  font-size: 14px;
}
.user-dropdown-header h4 {
  margin: 0;
  font-size: 16px;
  color: #111827;
}
.user-dropdown-header p {
  margin: 2px 0 0;
  color: #6b7280;
  font-size: 12px;
}
.user-dropdown-section-title {
  font-size: 12px;
  color: #6b7280;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.user-shortcuts {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.user-shortcuts a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  color: #1f2937;
  text-decoration: none;
  font-size: 13px;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.user-shortcuts a:hover {
  background: #f3f4f6;
  border-color: #d1d5db;
}
.user-shortcuts-empty {
  color: #6b7280;
  font-size: 13px;
}
.user-dropdown-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.user-dropdown-actions button {
  width: 100%;
  display: inline-flex;
  justify-content: center;
}
.login-message {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
  border: 1px solid transparent;
  display: none;
}
.login-message.error {
  background: #fee2e2;
  color: #b91c1c;
  border-color: #fecaca;
  display: block;
}
.login-message.success {
  background: #dcfce7;
  color: #047857;
  border-color: #bbf7d0;
  display: block;
}
.login-message.warning {
  background: #fef3c7;
  color: #b45309;
  border-color: #fde68a;
  display: block;
}