/* ================= 首页自定义背景层 ================= */

#snowtrace-home-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  pointer-events: none;
}

/* 一层淡淡的白色柔光，保证文字在任何图片上都可读 */
#snowtrace-home-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.22);
}

/* 暗色模式下换成暗色柔光 */
[data-theme='dark'] #snowtrace-home-bg::after {
  background: rgba(0, 0, 0, 0.3);
}

/* ================= 个人设置卡片 ================= */

.settings-card {
  position: relative;
  margin: 1.2rem 0 1rem;
  padding: 18px 22px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.82) 0%, rgba(238, 247, 255, 0.66) 100%);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
  backdrop-filter: blur(20px) saturate(1.6);
  box-shadow: 0 8px 28px rgba(64, 128, 180, 0.16);
  overflow: hidden;
}

[data-theme='dark'] .settings-card {
  border-color: rgba(255, 255, 255, 0.12);
  background: linear-gradient(135deg, rgba(30, 33, 40, 0.9) 0%, rgba(24, 32, 44, 0.82) 100%);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

.settings-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 700;
  margin-bottom: 4px;
}

.settings-tip {
  font-size: 12px;
  font-weight: 400;
  opacity: 0.6;
}

.settings-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 2px;
  flex-wrap: wrap;
}

.settings-row + .settings-row {
  border-top: 1px dashed rgba(128, 128, 128, 0.25);
}

.settings-info {
  min-width: 120px;
}

.settings-name {
  font-weight: 600;
}

.settings-desc {
  font-size: 12px;
  opacity: 0.65;
  margin-top: 2px;
}

/* 头像预览：圆形 */
.settings-preview.avatar img {
  display: block;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

/* 背景预览：小横图 */
.settings-preview.bg {
  position: relative;
  width: 140px;
  height: 80px;
  flex: none;
  border-radius: 10px;
  background-position: center;
  background-size: cover;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.settings-preview.bg:not(.has-img) {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  opacity: 0.55;
  border: 1px dashed rgba(128, 128, 128, 0.4);
  background: rgba(128, 128, 128, 0.06);
}

.settings-preview.bg.has-img {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.14);
}

.settings-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.settings-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1.5;
  color: var(--font-color);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(73, 177, 245, 0.35);
  transition: all 0.2s;
  user-select: none;
}

.settings-btn:hover {
  border-color: #49b1f5;
  box-shadow: 0 2px 10px rgba(73, 177, 245, 0.25);
  transform: translateY(-1px);
}

.settings-btn.primary {
  background: linear-gradient(135deg, #49b1f5, #3b9fe0);
  border-color: transparent;
  color: #fff;
}

.settings-btn.primary:hover {
  box-shadow: 0 4px 14px rgba(73, 177, 245, 0.4);
}

.settings-btn.ghost {
  background: transparent;
  border-color: rgba(128, 128, 128, 0.35);
  opacity: 0.8;
}

.settings-btn.ghost:hover {
  opacity: 1;
  box-shadow: none;
}

[data-theme='dark'] .settings-btn {
  background: rgba(255, 255, 255, 0.08);
}

.settings-btn input[type='file'] {
  display: none;
}

.settings-status {
  flex-basis: 100%;
  font-size: 12px;
  color: var(--theme-color, #49b1f5);
  opacity: 0;
  transition: opacity 0.3s;
  min-height: 0;
}

.settings-status.show {
  opacity: 1;
}

.settings-note {
  font-size: 12px;
  line-height: 1.9;
  opacity: 0.7;
  margin: 10px 0 2px;
}

.settings-note code {
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(73, 177, 245, 0.12);
}

@media screen and (max-width: 768px) {
  .settings-row {
    gap: 10px;
  }

  .settings-actions {
    margin-left: 0;
    width: 100%;
    justify-content: flex-end;
  }
}