body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg-page, #f5f5f5);
  padding: 16px;
  box-sizing: border-box;
}

.login-wrap {
  width: 100%;
  max-width: 400px;
}

.login-logo {
  text-align: center;
  margin-bottom: 32px;
}
.logo-main {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-primary, #111);
}
.logo-main span {
  color: var(--primary, #6c3fc5);
}
.logo-sub {
  font-size: 13px;
  color: var(--text-secondary, #666);
  margin-top: 4px;
}

.login-card {
  background: var(--bg-white, #fff);
  border: 1px solid var(--border, #e5e5e5);
  border-radius: 12px;
  padding: 32px;
}

.login-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-primary, #111);
}

.form-group {
  margin-bottom: 16px;
}
.form-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary, #555);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 12px 14px;
  box-sizing: border-box;
  border: 1px solid var(--border, #ddd);
  border-radius: 8px;
  font-size: 16px;
  color: var(--text-primary, #111);
  background: #fff;
  -webkit-appearance: none;
}
.form-control:focus {
  outline: none;
  border-color: var(--primary, #6c3fc5);
}

.btn-login {
  width: 100%;
  min-height: 48px;
  padding: 12px;
  background: var(--primary, #6c3fc5);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.btn-login:active {
  opacity: 0.85;
}
.btn-login:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.login-error {
  display: none;
  margin-top: 12px;
  padding: 10px 14px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  font-size: 13px;
  color: #dc2626;
}

@media (max-width: 480px) {
  .login-card {
    padding: 20px 16px;
  }
  .logo-main {
    font-size: 22px;
  }
}