/**
 * PDF Web 注册页样式
 * 与登录页 (login.css) 保持一致的现代化设计
 * 主色调：蓝色 (#2563eb)
 */

/* ========================================
 * 注册页布局
 * ======================================== */
.register-flex {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 80px);
  width: 100%;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  position: relative;
}

.register-flex::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.register-flex::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: 10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ========================================
 * 注册表单卡片
 * ======================================== */
.register-card {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  padding: 40px 40px 32px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06),
    0 20px 25px -5px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 1;
  animation: registerFadeIn 0.5s ease-out;
}

@keyframes registerFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ========================================
 * Logo 和标题（居中区域）
 * ======================================== */
.register-card .register-header {
  text-align: center;
}

.register-card .register-logo {
  width: 72px;
  height: 72px;
  margin-bottom: 16px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
  transition: transform 0.3s ease;
}

.register-card .register-logo:hover {
  transform: scale(1.05);
}

.register-card .register-title {
  font-size: 24px;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 4px;
  letter-spacing: -0.3px;
}

.register-card .register-subtitle {
  font-size: 14px;
  font-weight: 400;
  color: #6b7280;
  margin-bottom: 24px;
}

/* ========================================
 * Tab 切换 - 胶囊样式
 * ======================================== */
.register-card .register-tabs {
  display: flex;
  background: #f3f4f6;
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
  border: none;
}

.register-card .register-tabs .nav-item {
  flex: 1;
}

.register-card .register-tabs .nav-link {
  display: block;
  width: 100%;
  text-align: center;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #6b7280;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
}

.register-card .register-tabs .nav-link:hover {
  color: #374151;
  background: rgba(255, 255, 255, 0.5);
}

.register-card .register-tabs .nav-link.active {
  color: #2563eb;
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ========================================
 * 错误提示
 * ======================================== */
.register-card .alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.register-card .alert-danger {
  background: #fef2f2;
  color: #dc2626;
}

.register-card .alert-danger::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: #dc2626;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ========================================
 * 表单输入框
 * ======================================== */
.register-card .form-group {
  margin-bottom: 16px;
}

.register-card .form-group label {
  display: block;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 6px;
}

.register-card .form-group .form-control {
  height: 48px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  border: 1.5px solid #e5e7eb;
  border-radius: 10px;
  background-color: #f9fafb;
  color: #1f2937;
  transition: all 0.25s ease;
  width: 100%;
}

.register-card .form-group .form-control:focus {
  border-color: #2563eb;
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  outline: none;
}

.register-card .form-group .form-control::placeholder {
  color: #9ca3af;
}

/* 验证反馈 */
.register-card .form-group .form-control.is-invalid {
  border-color: #ef4444;
}

.register-card .form-group .form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.register-card .form-group .invalid-feedback {
  font-size: 12px;
  color: #ef4444;
  margin-top: 4px;
}

/* ========================================
 * 验证码组 (图形 + 短信)
 * ======================================== */
.register-card .captcha-group .input-group,
.register-card .sms-group .input-group {
  display: flex !important;
  flex-wrap: nowrap !important;
  border-radius: 10px;
  overflow: hidden;
  border: 1.5px solid #e5e7eb;
  background: #f9fafb;
  transition: all 0.25s ease;
}

.register-card .captcha-group .input-group:focus-within,
.register-card .sms-group .input-group:focus-within {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  background: #ffffff;
}

.register-card .captcha-group .input-group > .form-control,
.register-card .sms-group .input-group > .form-control {
  border: none !important;
  height: 46px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  background-color: transparent !important;
  color: #1f2937;
  border-radius: 0 !important;
  flex: 1 1 auto;
  min-width: 0;
}

.register-card .captcha-group .input-group > .form-control:focus,
.register-card .sms-group .input-group > .form-control:focus {
  box-shadow: none !important;
  outline: none;
}

/* 图形验证码按钮 */
.register-card .captcha-group .btn-captcha {
  border: none;
  border-left: 1.5px solid #e5e7eb;
  padding: 6px 12px;
  background: #ffffff;
  transition: all 0.25s ease;
  cursor: pointer;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.register-card .captcha-group .btn-captcha:hover {
  background: #f3f4f6;
}

.register-card .captcha-group #myImage {
  height: 36px;
  border-radius: 4px;
}

/* 获取验证码按钮 */
.register-card .sms-group .btn-sms {
  border: none;
  border-left: 1.5px solid #e5e7eb;
  padding: 10px 20px;
  background: #eff6ff;
  color: #2563eb;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.25s ease;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.register-card .sms-group .btn-sms:hover:not(:disabled) {
  background: #dbeafe;
  color: #1d4ed8;
}

.register-card .sms-group .btn-sms:disabled {
  background: #f3f4f6;
  color: #9ca3af;
  cursor: not-allowed;
}

/* ========================================
 * 注册按钮
 * ======================================== */
.register-card .btn-register {
  width: 100%;
  height: 48px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.3px;
  border-radius: 10px;
  background: #2563eb;
  border: none;
  color: #ffffff;
  cursor: pointer;
  margin-top: 8px;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px -3px rgba(37, 99, 235, 0.4);
}

.register-card .btn-register:hover {
  background: #1d4ed8;
  box-shadow: 0 6px 20px -3px rgba(37, 99, 235, 0.5);
  transform: translateY(-2px);
}

.register-card .btn-register:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px -3px rgba(37, 99, 235, 0.4);
}

/* ========================================
 * 登录引导链接
 * ======================================== */
.register-card .login-link {
  text-align: center;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #f3f4f6;
  font-size: 13px;
  color: #6b7280;
}

.register-card .login-link a {
  color: #2563eb;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.register-card .login-link a:hover {
  color: #1d4ed8;
  text-decoration: underline;
}

/* ========================================
 * 隐藏原有背景
 * ======================================== */
.pattern-bg {
  display: none !important;
}

/* ========================================
 * 深色模式适配
 * ======================================== */
.dark-mode .register-flex,
[data-theme="dark"] .register-flex {
  background: linear-gradient(135deg, #111827 0%, #1f2937 50%, #111827 100%);
}

.dark-mode .register-flex::before,
[data-theme="dark"] .register-flex::before {
  background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, transparent 70%);
}

.dark-mode .register-flex::after,
[data-theme="dark"] .register-flex::after {
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
}

.dark-mode .register-card,
[data-theme="dark"] .register-card {
  background: #1f2937;
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.3),
    0 20px 25px -5px rgba(0, 0, 0, 0.2);
}

.dark-mode .register-card .register-title,
[data-theme="dark"] .register-card .register-title {
  color: #f3f4f6;
}

.dark-mode .register-card .register-subtitle,
[data-theme="dark"] .register-card .register-subtitle {
  color: #9ca3af;
}

.dark-mode .register-card .register-tabs,
[data-theme="dark"] .register-card .register-tabs {
  background: #374151;
}

.dark-mode .register-card .register-tabs .nav-link,
[data-theme="dark"] .register-card .register-tabs .nav-link {
  color: #9ca3af;
}

.dark-mode .register-card .register-tabs .nav-link.active,
[data-theme="dark"] .register-card .register-tabs .nav-link.active {
  background: #4b5563;
  color: #60a5fa;
}

.dark-mode .register-card .form-group label,
[data-theme="dark"] .register-card .form-group label {
  color: #d1d5db;
}

.dark-mode .register-card .form-group .form-control,
[data-theme="dark"] .register-card .form-group .form-control {
  background-color: #374151;
  border-color: #4b5563;
  color: #f3f4f6;
}

.dark-mode .register-card .form-group .form-control:focus,
[data-theme="dark"] .register-card .form-group .form-control:focus {
  border-color: #3b82f6;
  background-color: #374151;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.dark-mode .register-card .captcha-group .input-group,
.dark-mode .register-card .sms-group .input-group,
[data-theme="dark"] .register-card .captcha-group .input-group,
[data-theme="dark"] .register-card .sms-group .input-group {
  background: #374151;
  border-color: #4b5563;
}

.dark-mode .register-card .captcha-group .form-control,
.dark-mode .register-card .sms-group .form-control,
[data-theme="dark"] .register-card .captcha-group .form-control,
[data-theme="dark"] .register-card .sms-group .form-control {
  color: #f3f4f6;
}

.dark-mode .register-card .captcha-group .btn-captcha,
[data-theme="dark"] .register-card .captcha-group .btn-captcha {
  background: #4b5563;
  border-color: #4b5563;
}

.dark-mode .register-card .sms-group .btn-sms,
[data-theme="dark"] .register-card .sms-group .btn-sms {
  background: rgba(37, 99, 235, 0.2);
  color: #60a5fa;
  border-color: #4b5563;
}

.dark-mode .register-card .alert-danger,
[data-theme="dark"] .register-card .alert-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
}

.dark-mode .register-card .login-link,
[data-theme="dark"] .register-card .login-link {
  border-color: #374151;
  color: #9ca3af;
}

.dark-mode .register-card .login-link a,
[data-theme="dark"] .register-card .login-link a {
  color: #60a5fa;
}

/* 深色模式自动填充 */
.dark-mode .register-card input:-webkit-autofill,
[data-theme="dark"] .register-card input:-webkit-autofill {
  -webkit-text-fill-color: #f3f4f6 !important;
  -webkit-box-shadow: 0 0 0 1000px #374151 inset !important;
}

/* ========================================
 * 响应式设计
 * ======================================== */
@media (max-width: 480px) {
  .register-flex {
    padding: 20px 16px;
  }

  .register-card {
    padding: 28px 24px 24px;
    border-radius: 14px;
    max-width: calc(100% - 32px);
  }

  .register-card .register-logo {
    width: 56px;
    height: 56px;
  }

  .register-card .register-title {
    font-size: 20px;
  }

  .register-card .btn-register {
    height: 44px;
    font-size: 14px;
  }

  .register-card .sms-group .btn-sms {
    padding: 10px 14px;
    font-size: 12px;
  }
}