.login-screen {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, var(--accent-glow), transparent),
    var(--bg);
  padding: 24px;
}

.login-screen.hidden {
  display: none;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 36px 32px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

.login-brand {
  text-align: center;
  margin-bottom: 28px;
}

.login-brand img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid var(--border-strong);
  margin-bottom: 16px;
}

.login-brand h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}

.login-brand p {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 1px;
}

.login-brand .login-tag {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  font-weight: 300;
  color: var(--text-dim);
}

.login-form .form-group {
  margin-bottom: 18px;
}

.login-form label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.login-form input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

.login-form input:focus {
  outline: none;
  border-color: var(--border-accent);
}

.login-error {
  min-height: 20px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--danger);
}

.login-submit {
  width: 100%;
  padding: 13px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: var(--on-accent);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.login-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.login-hint {
  margin-top: 16px;
  text-align: center;
  font-size: 12px;
  color: var(--text-dim);
}

.admin-layout.locked {
  display: none;
}

.admin-sidebar-footer {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.admin-user-chip {
  padding: 10px 12px;
  font-size: 12px;
  color: var(--text-muted);
}

.admin-user-chip strong {
  display: block;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 2px;
}

.admin-logout-btn {
  color: var(--danger) !important;
}

.admin-logo-image {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  margin-bottom: 12px;
}

.admin-logo-title {
  display: block;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
}

.admin-logo-en {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.preview-brand-logo {
  width: 48px;
  height: 48px;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border-strong);
  display: block;
}