:root{
  --bg:#f7f7f5;
  --card:#ffffff;
  --line:#ebebe7;
  --text:#1d1d1b;
  --muted:#9a9a94;
  --accent:#c96442;
  --radius:18px;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  padding-bottom:env(safe-area-inset-bottom);
}
button{font-family:inherit}
a{color:inherit;text-decoration:none}

/* ---------- 登录页 ---------- */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-wrap{width:100%;max-width:340px;text-align:center}
.login-title{
  font-size:44px;font-weight:600;letter-spacing:.02em;margin:0;
}
.login-sub{color:var(--muted);font-size:14px;margin:6px 0 34px;letter-spacing:.08em}
#loginForm input{
  width:100%;padding:14px 16px;font-size:16px;letter-spacing:.3em;
  border:1px solid var(--line);border-radius:14px;background:#fff;
  outline:none;transition:border-color .2s;text-align:center;
}
#loginForm input:focus{border-color:var(--accent)}
#enterBtn{
  width:100%;margin-top:12px;padding:14px;font-size:16px;letter-spacing:.3em;
  border:none;border-radius:14px;background:var(--text);color:#fff;cursor:pointer;
  transition:opacity .2s;
}
#enterBtn:hover{opacity:.88}
#enterBtn:disabled{opacity:.5;cursor:default}
.login-err{color:var(--accent);font-size:13px;min-height:20px;margin:10px 0 0}
.login-foot{margin-top:34px;font-size:12px;color:var(--muted);letter-spacing:.05em}

/* ---------- 顶栏 ---------- */
.top{padding:38px 20px 0;max-width:680px;margin:0 auto}
.top-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.brand{
  font-size:40px;font-weight:600;letter-spacing:.01em;margin:0;line-height:1.1;
}
.top-right{display:flex;gap:8px;padding-bottom:6px}
.ghost-btn{
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:12px;padding:5px 12px;border-radius:999px;cursor:pointer;
  transition:color .2s,border-color .2s;
}
.ghost-btn:hover{color:var(--text);border-color:#d6d6d0}
.stat{margin:10px 0 0;font-size:13px;color:var(--muted);letter-spacing:.04em}

.wrap{max-width:680px;margin:0 auto;padding:22px 20px 80px}

/* ---------- 发布框 ---------- */
.composer{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;margin-bottom:22px;transition:box-shadow .2s;
}
.composer:focus-within{box-shadow:0 2px 20px rgba(0,0,0,.05)}
#text{
  width:100%;border:none;outline:none;resize:none;background:transparent;
  font-family:inherit;font-size:16px;line-height:1.7;color:var(--text);
  min-height:52px;max-height:340px;overflow-y:auto;
}
#text::placeholder{color:#bfbfb8}
.preview{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.preview:empty{display:none}
.pv{position:relative;width:84px;height:84px;border-radius:12px;overflow:hidden;background:#f0f0ec}
.pv img,.pv video{width:100%;height:100%;object-fit:cover;display:block}
.pv .rm{
  position:absolute;top:3px;right:3px;width:20px;height:20px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;border:none;font-size:12px;line-height:20px;
  padding:0;cursor:pointer;text-align:center;
}
.pv .badge{
  position:absolute;left:4px;bottom:4px;font-size:10px;color:#fff;
  background:rgba(0,0,0,.5);border-radius:6px;padding:1px 5px;
}
.composer-bar{display:flex;align-items:center;justify-content:space-between;margin-top:12px;gap:10px}
.tools{display:flex;gap:6px}
.tool span{
  display:inline-block;font-size:13px;color:var(--muted);cursor:pointer;
  padding:6px 10px;border-radius:10px;transition:background .15s,color .15s;
}
.tool span:hover{background:#f4f4f0;color:var(--text)}
.post-btn{
  border:none;background:var(--text);color:#fff;font-size:14px;letter-spacing:.1em;
  padding:8px 22px;border-radius:999px;cursor:pointer;transition:opacity .2s;
}
.post-btn:disabled{background:#e3e3de;color:#a8a8a2;cursor:default}
.progress{height:3px;background:#eee;border-radius:2px;margin-top:10px;overflow:hidden;display:none}
.progress.on{display:block}
.progress-in{height:100%;width:0;background:var(--accent);transition:width .2s}

/* ---------- 搜索 ---------- */
.search-row{margin-bottom:6px}
#search{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:12px;
  padding:9px 14px;font-size:14px;outline:none;font-family:inherit;color:var(--text);
}
#search:focus{border-color:#d6d6d0}

/* ---------- 时间线 ---------- */
.timeline{margin-top:18px}
.day{margin-bottom:6px}
.day-label{
  font-size:12px;color:var(--muted);letter-spacing:.1em;
  margin:22px 0 10px;display:flex;align-items:center;gap:10px;
}
.day-label::after{content:"";flex:1;height:1px;background:var(--line)}
.entry{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;margin-bottom:12px;position:relative;
}
.entry-text{white-space:pre-wrap;word-break:break-word;font-size:16px;line-height:1.75}
.entry-text:empty{display:none}
.media{display:grid;gap:6px;margin-top:12px;grid-template-columns:repeat(3,1fr)}
.media.one{grid-template-columns:1fr;max-width:420px}
.media.two{grid-template-columns:1fr 1fr}
.mi{
  position:relative;overflow:hidden;border-radius:12px;background:#f0f0ec;cursor:zoom-in;
  aspect-ratio:1/1;
}
.media.one .mi{aspect-ratio:auto;max-height:460px}
.mi img,.mi video{width:100%;height:100%;object-fit:cover;display:block}
.media.one .mi img{max-height:460px;object-fit:contain}
.mi .play{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  pointer-events:none;
}
.mi .play i{
  width:46px;height:46px;border-radius:50%;background:rgba(0,0,0,.45);
  display:flex;align-items:center;justify-content:center;
}
.mi .play i::before{
  content:"";border-left:14px solid #fff;border-top:9px solid transparent;
  border-bottom:9px solid #fff0;margin-left:4px;
}
.entry-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:12px;font-size:12px;color:var(--muted);letter-spacing:.04em;
}
.entry-ops{display:flex;gap:12px;opacity:0;transition:opacity .2s}
.entry:hover .entry-ops{opacity:1}
@media (hover:none){.entry-ops{opacity:1}}
.op{background:none;border:none;color:var(--muted);cursor:pointer;font-size:12px;padding:0}
.op:hover{color:var(--accent)}
.op.del:hover{color:#d0453a}

.sentinel{height:40px}
.empty{text-align:center;color:var(--muted);font-size:14px;padding:60px 0;letter-spacing:.06em}

/* ---------- 灯箱 ---------- */
.lightbox{
  position:fixed;inset:0;background:rgba(20,20,18,.94);z-index:99;
  display:flex;align-items:center;justify-content:center;flex-direction:column;
}
.lightbox[hidden]{display:none}
.lb-body{max-width:94vw;max-height:82vh;display:flex;align-items:center;justify-content:center}
.lb-body img{max-width:94vw;max-height:82vh;border-radius:8px;object-fit:contain}
.lb-body video{max-width:94vw;max-height:82vh;border-radius:8px;outline:none}
.lb-close{
  position:absolute;top:16px;right:18px;background:none;border:none;color:#fff;
  font-size:22px;cursor:pointer;opacity:.75;
}
.lb-nav{
  position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,.1);
  border:none;color:#fff;font-size:34px;width:44px;height:64px;border-radius:10px;
  cursor:pointer;line-height:1;
}
.lb-prev{left:12px}
.lb-next{right:12px}
.lb-cap{color:rgba(255,255,255,.6);font-size:12px;margin:14px 0 0}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);
  background:rgba(29,29,27,.92);color:#fff;font-size:13px;padding:10px 18px;
  border-radius:999px;opacity:0;pointer-events:none;transition:all .25s;z-index:120;
}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (max-width:520px){
  .brand{font-size:34px}
  .top{padding-top:28px}
  .wrap{padding:18px 14px 70px}
  .entry{padding:14px 15px}
}