/* 回忆时间轴 */
.tl-stats {
    display: flex; flex-wrap: wrap; gap: 10px;
    border: 1.5px solid var(--light-border); border-radius: 10px;
    padding: 14px 16px; margin-bottom: 16px;
}
.tl-stat { display: flex; flex-direction: column; min-width: 72px; }
.tl-stat b { font-size: 1.3rem; }
.tl-stat span { font-size: 0.7rem; color: var(--muted); margin-top: 2px; }
.tl-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.tl-chip {
    padding: 5px 14px; border: 1.5px solid var(--light-border); border-radius: 16px;
    font-size: 0.8rem; color: var(--muted); cursor: pointer; user-select: none;
    background: var(--bg); transition: all .15s;
}
.tl-chip:hover { border-color: var(--fg); color: var(--fg); }
.tl-chip.active { background: var(--fg); border-color: var(--fg); color: var(--bg); }
.tl-month {
    font-size: 0.8rem; color: var(--muted); font-weight: bold;
    margin: 18px 0 10px; letter-spacing: 1px;
}
.tl-item { display: flex; gap: 12px; margin-bottom: 10px; }
.tl-dot {
    width: 34px; height: 34px; flex-shrink: 0;
    border: 1.5px solid var(--light-border); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 16px;
    background: var(--bg); z-index: 1;
}
.tl-item::before {
    content: ''; position: absolute;
    /* 竖线由 card 左缘连线简化：用 margin 视觉即可 */
}
.tl-card {
    flex: 1; min-width: 0;
    border: 1.5px solid var(--light-border); border-radius: 10px;
    padding: 10px 14px; background: var(--bg);
}
.tl-title { font-size: 0.92rem; font-weight: 600; word-break: break-word; }
.tl-sub { font-size: 0.8rem; color: var(--muted); margin-top: 3px; line-height: 1.6; word-break: break-word; }
.tl-time { font-size: 0.7rem; color: var(--muted); margin-top: 5px; opacity: .8; }
.tl-journal .tl-card { border-left: 3px solid #b8a0d8; }
.tl-checkin .tl-card { border-left: 3px solid #4a9eff; }
.tl-rule .tl-card { border-left: 3px solid #f0a050; }
.tl-point .tl-card { border-left: 3px solid #4caf50; }
.tl-quiz .tl-card { border-left: 3px solid var(--fg); }
.tl-empty {
    text-align: center; color: var(--muted); padding: 36px 16px;
    font-size: 0.9rem; line-height: 1.8;
}
.tl-links { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.tl-links a {
    border: 1.5px solid var(--fg); border-radius: 8px; color: var(--fg);
    text-decoration: none; font-size: 0.85rem; padding: 8px 14px;
}
.tl-links a:hover { background: var(--fg); color: var(--bg); }