:root {
  --primary: #3b82f6;
  --primary-color: var(--primary);
  --primary-hover: #2563eb;
  --primary-light: rgba(59, 130, 246, 0.08);
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #4b5563;
  --bg-color: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-bg-hover: rgba(255, 255, 255, 0.92);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  --input-bg: rgba(255, 255, 255, 0.7);
  --input-border: rgba(0, 0, 0, 0.12);
  --input-focus: #3b82f6;
  --btn-gradient-start: #3b82f6;
  --btn-gradient-end: #2563eb;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}
body {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    "Helvetica Neue",
    Arial,
    sans-serif;
  background: var(--bg-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 20px;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(0, 0, 0, 0.03) 0, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 0, 0, 0.03) 0, transparent 50%);
}
.login-footer {
  position: fixed;
  bottom: 20px;
  left: 0;
  right: 0;
  text-align: center;
}
.login-footer .footer-text {
  font-size: 12px;
  color: var(--text-muted);
  opacity: 0.75;
}
.login-container {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  padding: 56px 48px;
  border-radius: var(--radius-xl);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.1),
    0 4px 12px rgba(0, 0, 0, 0.06);
  width: 100%;
  max-width: 440px;
  animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes spin {
  from {
    transform: rotate(0);
  }
  to {
    transform: rotate(360deg);
  }
}
.login-header {
  text-align: center;
  margin-bottom: 40px;
}
.login-header .logo-wrapper {
  width: 88px;
  height: 88px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, var(--primary) 0, #2563eb 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.login-header .logo-icon {
  font-size: 40px;
}
.login-header h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}
.login-header p {
  margin: 4px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
}
.kick-msg {
  margin-top: 12px;
  padding: 10px 16px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  color: #dc2626;
  font-size: 13px;
  text-align: center;
}
.form-group {
  margin-bottom: 24px;
}
.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
}
.form-group input {
  width: 100%;
  padding: 16px 20px;
  border: 1.5px solid var(--input-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-primary);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  outline: 0;
  backdrop-filter: blur(10px);
}
.form-group input:focus {
  border-color: var(--input-focus);
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
  background: rgba(255, 255, 255, 0.8);
}
.form-group input::placeholder {
  color: rgba(107, 114, 128, 0.9);
}
.password-wrapper {
  position: relative;
}
.password-wrapper input {
  padding-right: 50px;
}
.password-toggle {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: 0 0;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.3s ease;
  padding: 4px 6px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.password-toggle:hover {
  color: var(--text-secondary);
}
.captcha-row {
  display: flex;
  gap: 14px;
  align-items: center;
}
.captcha-row input {
  flex: 1;
}
.captcha-img {
  width: 110px;
  height: 52px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1.5px solid var(--input-border);
  transition: all 0.3s ease;
}
.captcha-img:hover {
  border-color: var(--primary);
}
.login-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #3b82f6 0, #2563eb 100%);
  color: #fff;
  border: 1px solid rgba(37, 99, 235, 0.8);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow:
    0 4px 16px rgba(59, 130, 246, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.login-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 8px 24px rgba(59, 130, 246, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  background: linear-gradient(135deg, #2563eb 0, #1d4ed8 100%);
}
.login-btn:active {
  transform: translateY(-1px);
}
.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}
.message {
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 13px;
  display: none;
}
.message.error {
  display: block;
  background: rgba(239, 68, 68, 0.08);
  color: rgba(220, 38, 38, 0.9);
  border: 1px solid rgba(239, 68, 68, 0.15);
}
.message.success {
  display: block;
  background: rgba(16, 185, 129, 0.08);
  color: rgba(5, 150, 105, 0.9);
  border: 1px solid rgba(16, 185, 129, 0.15);
}
.password-info {
  margin: 24px 0;
  padding: 18px;
  background: rgba(59, 130, 246, 0.06);
  border-radius: var(--radius-md);
  color: rgba(37, 99, 235, 0.85);
  font-size: 13px;
  border: 1px solid rgba(59, 130, 246, 0.12);
}
.password-info strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}
.toast-container {
  position: fixed;
  top: 76px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.toast {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  min-width: 300px;
  animation: slideInRight 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  font-size: 14px;
  backdrop-filter: blur(10px);
}
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
.toast-success {
  background: rgba(16, 185, 129, 0.9);
  color: #fff;
  border-left: 4px solid rgba(255, 255, 255, 0.5);
}
.toast-error {
  background: rgba(239, 68, 68, 0.9);
  color: #fff;
  border-left: 4px solid rgba(255, 255, 255, 0.5);
}
.toast-icon {
  margin-right: 12px;
  font-weight: 700;
  font-size: 18px;
}
.toast-close {
  margin-left: auto;
  cursor: pointer;
  font-size: 20px;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}
.toast-close:hover {
  opacity: 1;
}

#changePwdModal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: 20px;
  backdrop-filter: blur(8px);
}
#changePwdModal.show {
  display: flex;
  animation: fadeIn 0.2s ease;
}
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
#changePwdModal .modal-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
  animation: scaleIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
#changePwdModal .modal-content {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow:
    0 16px 48px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.7);
  overflow: hidden;
}
#changePwdModal .modal-inner {
  padding: 36px;
}
#changePwdModal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(156, 163, 175, 0.2);
}
#changePwdModal .modal-header h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
#changePwdModal .modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(156, 163, 175, 0.2);
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}
#changePwdModal .modal-close:hover {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-primary);
  transform: scale(1.1);
}

/* 记住登录确认弹窗 */
#rememberLoginModal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  justify-content: center;
  align-items: center;
  z-index: 9999;
  padding: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
#rememberLoginModal.show {
  display: flex;
}
#rememberLoginModal .modal-wrapper {
  position: relative;
  width: 100%;
  max-width: 440px;
}
#rememberLoginModal .modal-content {
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}
#rememberLoginModal .modal-inner {
  padding: 36px;
}
#rememberLoginModal .modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(156, 163, 175, 0.2);
}
#rememberLoginModal .modal-header h4 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}
#rememberLoginModal .modal-body {
  margin: 0 0 24px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.6;
}
#rememberLoginModal .modal-footer {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
}
#rememberLoginModal .modal-footer button {
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--input-border);
  background: white;
  color: var(--text-secondary);
}
#rememberLoginModal .modal-footer .btn-primary {
  border-color: rgba(37, 99, 235, 0.8);
  background: linear-gradient(135deg, #3b82f6 0, #2563eb 100%);
  color: white;
  font-weight: 600;
}
#rememberLoginModal .modal-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(156, 163, 175, 0.2);
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
#rememberLoginModal .modal-close:hover {
  background: rgba(255, 255, 255, 0.8);
  color: var(--text-primary);
  transform: scale(1.1);
}

/* 登录页内联辅助类 */
.captcha-input-uppercase {
  text-transform: uppercase;
}
.remember-row {
  margin-bottom: 20px;
}
.remember-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--text-secondary);
  user-select: none;
}
.remember-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}
.icon-inline {
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
}
@media (max-width: 480px) {
  body {
    padding: 12px;
  }
  .login-container {
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    max-width: 100%;
  }
  .login-header {
    margin-bottom: 32px;
  }
  .login-header .logo-wrapper {
    width: 72px;
    height: 72px;
    margin-bottom: 20px;
  }
  .login-header .logo-icon {
    font-size: 32px;
  }
  .login-header h1 {
    font-size: 22px;
  }
  .form-group {
    margin-bottom: 20px;
  }
  .form-group label {
    font-size: 13px;
  }
  .form-group input {
    padding: 14px 16px;
    font-size: 14px; /* 防止iOS自动缩放 */
  }
  .captcha-img {
    width: 95px;
    height: 48px;
  }
  .captcha-input {
    flex: 1;
  }
  .login-btn {
    padding: 14px;
    font-size: 15px;
  }
  .remember-forgot {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
}

/* 超小屏幕优化 */
@media (max-width: 360px) {
  .login-container {
    padding: 28px 20px;
  }
  .login-header h1 {
    font-size: 20px;
  }
  .form-group input {
    padding: 12px 14px;
  }
}

/* 全屏加载遮罩 */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99999;
  animation: fadeIn 0.2s ease;
}
.loading-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.loading-msg {
  color: #fff;
  font-size: 15px;
  text-align: center;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}