/* ============================================
   文件上传安全确认弹窗样式
   ============================================ */

/* ==================== 遮罩层 ==================== */

.security-warning-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fadeIn 200ms ease-in-out;
}

/* ==================== 模态窗口 ==================== */

.security-warning-modal {
  position: relative;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.05);
  width: 100%;
  max-width: 480px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  animation: scaleIn 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==================== 关闭按钮 ==================== */

.security-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  color: #6b7280;
}

.security-close-btn:hover {
  background: #ffffff;
  color: #374151;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.security-close-btn:active {
  transform: scale(0.95);
}

.security-close-btn .material-icons-outlined {
  font-size: 18px;
}

/* ==================== 警告图标 ==================== */

.security-warning-icon {
  width: 64px;
  height: 64px;
  background: #fef3c7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #f59e0b;
}

.security-warning-icon .material-icons-outlined {
  font-size: 36px;
}

/* ==================== 标题 ==================== */

.security-warning-title {
  font-size: 20px;
  font-weight: 600;
  color: #1f2937;
  margin: 0;
  text-align: center;
  letter-spacing: -0.3px;
}

/* ==================== 警告内容（红色文字） ==================== */

.security-warning-content {
  font-size: 15px;
  color: #dc2626;
  line-height: 1.8;
  text-align: center;
  margin: 0;
  font-weight: 500;
}

/* ==================== 同意按钮 ==================== */

.security-agree-btn {
  padding: 12px 48px;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
  font-family: inherit;
}

.security-agree-btn:hover {
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
  transform: translateY(-1px);
}

.security-agree-btn:active {
  transform: translateY(0);
}

/* ==================== 动画 ==================== */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* ==================== 响应式设计 ==================== */

/* 平板设备 (768px - 1024px) */
@media (max-width: 1024px) {
  .security-warning-modal {
    max-width: 420px;
  }
}

/* 移动设备 (最大 768px) */
@media (max-width: 768px) {
  .security-warning-overlay {
    padding: 16px;
  }

  .security-warning-modal {
    max-width: 100%;
    padding: 24px;
    border-radius: 12px;
  }

  .security-warning-icon {
    width: 56px;
    height: 56px;
  }

  .security-warning-icon .material-icons-outlined {
    font-size: 32px;
  }

  .security-warning-title {
    font-size: 18px;
  }

  .security-warning-content {
    font-size: 14px;
  }

  .security-close-btn {
    width: 28px;
    height: 28px;
    top: 12px;
    right: 12px;
  }

  .security-close-btn .material-icons-outlined {
    font-size: 16px;
  }
}

/* 小屏幕移动设备 (最大 480px) */
@media (max-width: 480px) {
  .security-warning-overlay {
    padding: 12px;
  }

  .security-warning-modal {
    padding: 20px;
    border-radius: 10px;
    gap: 16px;
  }

  .security-warning-icon {
    width: 52px;
    height: 52px;
  }

  .security-warning-icon .material-icons-outlined {
    font-size: 28px;
  }

  .security-warning-title {
    font-size: 17px;
  }

  .security-warning-content {
    font-size: 13px;
  }

  .security-agree-btn {
    padding: 10px 40px;
    font-size: 15px;
  }
}

/* ==================== 辅助功能和可访问性 ==================== */

/* 聚焦样式 */
.security-close-btn:focus-visible,
.security-agree-btn:focus-visible {
  outline: 2px solid #3b82f6;
  outline-offset: 2px;
}

/* 减少动画（用户偏好） */
@media (prefers-reduced-motion: reduce) {
  .security-warning-overlay,
  .security-warning-modal {
    animation: none;
  }

  .security-close-btn,
  .security-agree-btn {
    transition: none;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .security-warning-overlay {
    background: rgba(0, 0, 0, 0.8);
  }

  .security-warning-modal {
    border: 2px solid #000000;
  }

  .security-close-btn {
    border: 2px solid #000000;
  }
}

/* ==================== 打印样式 ==================== */

@media print {
  .security-warning-overlay,
  .security-warning-modal {
    display: none !important;
  }
}