/* 与 InputInfo.vue 样式一致 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.input-info-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  /* 背景替换为图片，支持全屏覆盖 */
  background: url('../img/签到背景.png') no-repeat center center fixed;
  background-size: cover;
  padding: 20px;
  gap: 20px;
}

.form-card {
  background: rgba(255, 255, 255, 0.92);  /* 半透明白色，确保文字清晰 */
  border-radius: 16px;
  padding: 32px 24px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 35px -8px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(4px); /* 轻微毛玻璃效果，可选 */
}

.title {
  text-align: center;
  color: #333;
  margin-bottom: 8px;
  font-size: 24px;
}

.subtitle {
  text-align: center;
  color: #666;
  margin-bottom: 32px;
  font-size: 14px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #333;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: #667eea;
}

.form-input.error {
  border-color: #e74c3c;
}

.error-msg {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: #e74c3c;
}

.submit-btn {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, opacity 0.2s;
}

.submit-btn:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-1px);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 小屏设备适配 */
@media (max-width: 480px) {
  .form-card {
    padding: 24px 16px;
  }
}