/* GitHub 贡献图样式 */
.github-contributions {
  width: 100%;
}

.contribution-graph {
  overflow-x: auto;
  overflow-y: hidden;
  margin-bottom: var(--gap-lg);
  padding: 4px 0;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contribution-graph img {
  max-width: 100%;
  height: auto;
  display: block;
}

.loading-text,
.error-text {
  color: var(--color-text-gray);
  font-size: 13px;
  text-align: center;
  padding: var(--gap-lg) 0;
}

.error-text {
  color: var(--color-error);
}

/* 图例 */
.contribution-legend {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--gap-xs);
  font-size: 12px;
  color: var(--color-text-gray);
}

.legend-label {
  font-size: 11px;
}

.legend-colors {
  display: flex;
  gap: 3px;
}

.legend-box {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-lighter);
}

.legend-box[data-level="0"] {
  background-color: var(--color-border-lighter);
}

.legend-box[data-level="1"] {
  background-color: var(--color-primary-20);
  border-color: var(--color-primary-30);
}

.legend-box[data-level="2"] {
  background-color: var(--color-primary-40);
  border-color: var(--color-primary-50);
}

.legend-box[data-level="3"] {
  background-color: var(--color-primary-60);
  border-color: rgba(102, 126, 234, 0.7);
}

.legend-box[data-level="4"] {
  background-color: rgba(102, 126, 234, 0.85);
  border-color: rgba(102, 126, 234, 0.9);
}

/* 移动端响应式 */
@media (max-width: 768px) {
  .contribution-graph {
    min-height: 80px;
  }

  .contribution-legend {
    font-size: 11px;
  }

  .legend-box {
    width: 9px;
    height: 9px;
  }
}

/* 小屏幕优化 */
@media (max-width: 480px) {
  .contribution-graph {
    min-height: 70px;
    padding: 2px 0;
    margin-bottom: 10px;
  }

  .contribution-legend {
    font-size: 10px;
    gap: 4px;
  }

  .legend-label {
    font-size: 10px;
  }

  .legend-box {
    width: 8px;
    height: 8px;
    border-radius: 1.5px;
  }

  .legend-colors {
    gap: 2px;
  }

  .loading-text,
  .error-text {
    font-size: 12px;
    padding: var(--gap-md) 0;
  }
}