/* ===== CloudGuard Admin Login Styles（1:1 对齐 JwhooOpen login.html）===== */

.login-page {
  min-height: 100vh;
  display: flex;
  position: relative;
  /* 多层径向 + 线性渐变背景，对齐 JwhooOpen login */
  background:
    radial-gradient(circle at left top, rgba(255, 100, 116, 0.18), transparent 28%),
    radial-gradient(circle at right top, rgba(217, 21, 45, 0.12), transparent 24%),
    radial-gradient(circle at 50% 18%, rgba(255, 230, 234, 0.92), transparent 42%),
    linear-gradient(180deg, #fffafb 0%, #fff5f6 44%, #fff0f2 100%);
  overflow: hidden;
}

/* 背景装饰圆（对齐 JwhooOpen .page-shell::before/::after）*/
.login-page::before {
  content: '';
  position: fixed;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 21, 45, 0.08), transparent 70%);
  top: -160px;
  right: -120px;
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.login-page::after {
  content: '';
  position: fixed;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 100, 116, 0.1), transparent 70%);
  bottom: -120px;
  left: -80px;
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.login-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ============ Left Branding（品牌渐变面板）============ */
.login-left {
  flex: 1.05;
  background: linear-gradient(135deg, var(--theme-nav-start) 0%, var(--theme-nav-mid) 50%, var(--theme-nav-end) 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  top: -200px;
  right: -200px;
}

.login-left::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  bottom: -100px;
  left: -100px;
}

.login-left-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
  max-width: 440px;
}

.login-left-logo {
  width: 68px;
  height: 68px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--theme-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  font-weight: 800;
  letter-spacing: 1px;
  margin: 0 auto 24px;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.login-left h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  letter-spacing: 0.5px;
  line-height: 1.15;
}

.login-left p {
  font-size: 16px;
  opacity: 0.85;
  line-height: 1.7;
}

.login-left-features {
  margin-top: 44px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.login-left-feature {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--theme-radius-md);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.login-left-feature-icon {
  width: 34px;
  height: 34px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: var(--theme-radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.login-left-feature-text {
  font-size: 14px;
  opacity: 0.94;
  line-height: 1.4;
}

/* ============ Right Login Form（毛玻璃卡片）============ */
.login-right {
  flex: 0.95;
  min-width: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  animation: fadeIn 0.6s ease;
}

.login-card {
  width: 100%;
  max-width: 420px;
  /* 毛玻璃卡片（对齐 JwhooOpen .login-card）*/
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 245, 246, 0.86));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(217, 21, 45, 0.12);
  border-radius: 34px;
  padding: 40px 36px;
  box-shadow: var(--theme-shadow-xl);
  position: relative;
  overflow: hidden;
}

/* 卡片右上角渐变装饰 */
.login-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(217, 21, 45, 0.06), transparent 70%);
  pointer-events: none;
}

.login-card-header {
  position: relative;
  margin-bottom: 30px;
}

.login-card-header h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--theme-text);
  letter-spacing: 0.3px;
}

.login-card-header p {
  color: var(--theme-text-soft);
  font-size: 14px;
}

.login-form {
  position: relative;
}

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

.login-form .form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--theme-text);
}

.login-form .form-input {
  width: 100%;
  height: 52px;
  font-size: 15px;
  padding: 0 18px;
  border-radius: var(--theme-radius-sm);
  border: 1px solid rgba(217, 21, 45, 0.12);
  background: rgba(255, 255, 255, 0.88);
  color: var(--theme-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  box-sizing: border-box;
}

.login-form .form-input::placeholder {
  color: rgba(94, 102, 115, 0.68);
}

.login-form .form-input:focus {
  outline: none;
  border-color: rgba(217, 21, 45, 0.42);
  box-shadow: 0 0 0 4px rgba(217, 21, 45, 0.08);
  background: rgba(255, 255, 255, 0.96);
}

.login-form .form-input.error {
  border-color: var(--theme-danger);
  box-shadow: 0 0 0 4px var(--theme-danger-light);
}

.login-input-icon {
  position: relative;
}

.login-input-icon .form-input {
  padding-left: 48px;
}

.login-input-icon .input-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--theme-text-muted);
  display: flex;
  align-items: center;
  pointer-events: none;
}

.password-toggle {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--theme-text-muted);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
}

.password-toggle:hover {
  color: var(--theme-brand);
}

.login-form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.login-form-options .form-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--theme-text-soft);
  cursor: pointer;
}

.login-form-options .form-checkbox input {
  cursor: pointer;
}

.login-form-options .forgot-link {
  font-size: 14px;
  color: var(--theme-brand);
  font-weight: 600;
  text-decoration: none;
}

.login-form-options .forgot-link:hover {
  text-decoration: underline;
}

/* 提交按钮（品牌渐变胶囊，对齐 JwhooOpen .submit-btn）*/
.login-submit-btn {
  width: 100%;
  height: 52px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 4px;
  border-radius: var(--theme-radius-sm);
  background: linear-gradient(135deg, var(--theme-brand), var(--theme-accent));
  color: #fff;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-shadow: var(--theme-shadow-brand-lg);
  position: relative;
  overflow: hidden;
}

.login-submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 40px rgba(217, 21, 45, 0.28);
}

.login-submit-btn:active {
  transform: translateY(0);
}

.login-submit-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.login-submit-btn .btn-loading {
  display: none;
}

.login-submit-btn.loading .btn-text {
  visibility: hidden;
}

.login-submit-btn.loading .btn-loading {
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
}

.spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Error message ---- */
.login-error-msg {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--theme-danger-light);
  color: var(--theme-danger);
  border-radius: var(--theme-radius-sm);
  font-size: 14px;
  margin-bottom: 18px;
  border: 1px solid rgba(229, 57, 53, 0.2);
}

.login-error-msg.show {
  display: flex;
  animation: fadeIn 0.3s ease;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .login-left {
    display: none;
  }

  .login-right {
    flex: none;
    width: 100%;
    padding: 24px;
  }

  .login-card {
    max-width: 400px;
    padding: 32px 26px;
    border-radius: 28px;
  }
}

@media (max-width: 480px) {
  .login-right {
    padding: 16px;
  }

  .login-card {
    padding: 26px 20px;
    border-radius: 24px;
  }

  .login-card-header h2 {
    font-size: 22px;
  }

  .login-form .form-input {
    height: 48px;
  }

  .login-submit-btn {
    height: 48px;
    letter-spacing: 2px;
  }
}