/* ============================================================
   社交功能：顶栏菜单/铃铛、抽屉、通知、聊天、排行榜、好友、头像
   ============================================================ */
.icon-btn{width:38px;height:38px;border-radius:14px;border:2px solid var(--line-strong);background:var(--card);
  color:var(--ink);font-size:18px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-sm);transition:transform .15s var(--spring),background .15s}
.icon-btn:hover{transform:translateY(-2px)}
.top-avatar{width:38px;height:38px;border-radius:50%;border:2px solid var(--ochre);background:var(--card);
  cursor:pointer;padding:0;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}
.top-av{width:30px;height:30px;border-radius:50%;object-fit:cover;display:flex;align-items:center;justify-content:center;font-size:18px}
.bell-badge{position:absolute;top:-3px;right:-3px;min-width:18px;height:18px;padding:0 4px;border-radius:10px;
  background:var(--terra);color:#fff;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center;
  border:2px solid var(--card)}
#bellbtn{position:relative}
/* 顶栏：菜单/品牌靠左，头像+铃铛+音乐+主题整组靠右 */
.topbar .top-avatar{margin-left:auto}

/* 统一头像样式（emoji / 图片） */
.av-emo,.av-img{width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  object-fit:cover;font-size:20px;background:var(--ochre-soft);flex:0 0 auto}
.av-img{border:2px solid var(--line-strong)}

/* ---- 左侧抽屉 ---- */
.drawer-ov{position:fixed;inset:0;background:rgba(30,22,60,.45);backdrop-filter:blur(2px);opacity:0;visibility:hidden;
  transition:opacity .2s;z-index:300}
.drawer-ov.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;left:0;height:100%;width:min(280px,82vw);background:var(--card);
  border-right:2px solid var(--line-strong);box-shadow:var(--shadow-lg);z-index:301;
  transform:translateX(-104%);transition:transform .26s var(--spring);padding:18px 14px;display:flex;flex-direction:column;gap:8px}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;font-weight:800;font-size:18px;margin-bottom:6px}
.drawer-list{display:flex;flex-direction:column;gap:6px}
.drawer-item{padding:13px 14px;border-radius:var(--r);border:2px solid var(--line);background:var(--fill);
  color:var(--ink);text-decoration:none;font-weight:700;font-size:15px;transition:transform .14s var(--spring),background .14s}
.drawer-item:hover{transform:translateX(4px);background:var(--ochre-soft)}

/* ---- 通知面板 ---- */
.notif-panel{position:fixed;top:60px;right:12px;width:min(360px,92vw);max-height:min(70vh,560px);background:var(--card);
  border:2px solid var(--line-strong);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);z-index:302;
  transform:translateY(-10px) scale(.98);opacity:0;visibility:hidden;transition:.2s var(--spring);display:flex;flex-direction:column;overflow:hidden}
.notif-panel.open{transform:none;opacity:1;visibility:visible}
.notif-head{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:2px solid var(--line);font-weight:800}
.link-btn{background:none;border:none;color:var(--sky);font-weight:700;cursor:pointer;font-size:13px}
.notif-body{overflow:auto;padding:8px}
.notif-item{display:flex;gap:10px;align-items:flex-start;padding:11px 10px;border-radius:var(--r);border:1px solid var(--line)}
.notif-item+.notif-item{margin-top:6px}
.notif-item.clickable{cursor:pointer}
.notif-item.clickable:hover{background:var(--fill)}
.nf-ava{flex:0 0 auto}
.nf-main{flex:1;min-width:0}
.nf-text{font-size:14px;line-height:1.4}
.nf-actions{display:flex;gap:6px;margin-top:8px}
.nf-actions .btn.mini.ok{background:linear-gradient(180deg,var(--sage),var(--sage-ink));color:#fff;border-color:var(--sage-ink)}

/* ---- 聊天面板 ---- */
.chat-panel{position:fixed;top:0;right:0;height:100%;width:min(380px,94vw);background:var(--paper);
  border-left:2px solid var(--line-strong);box-shadow:var(--shadow-lg);z-index:303;transform:translateX(104%);
  transition:transform .26s var(--spring);display:flex;flex-direction:column}
.chat-panel.open{transform:none}
.chat-head{display:flex;align-items:center;gap:10px;padding:14px 14px;border-bottom:2px solid var(--line);font-weight:800}
.chat-head #chatname{display:flex;align-items:center;gap:8px}
.chat-av{width:30px;height:30px;border-radius:50%;object-fit:cover;font-size:16px;background:var(--ochre-soft);
  display:inline-flex;align-items:center;justify-content:center}
.chat-body{flex:1;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:var(--paper-2)}
.chat-msg{max-width:78%;padding:9px 13px;border-radius:18px;font-size:14px;line-height:1.4;word-break:break-word;animation:page-in .2s}
.chat-msg.mine{align-self:flex-end;background:linear-gradient(180deg,var(--sky),var(--sky-soft));color:#fff;border-bottom-right-radius:6px}
.chat-msg.theirs{align-self:flex-start;background:var(--card);border:1px solid var(--line-strong);border-bottom-left-radius:6px}
.chat-input{display:flex;gap:8px;padding:10px;border-top:2px solid var(--line);background:var(--card)}
.chat-input input{flex:1;border:2px solid var(--line-strong);border-radius:14px;padding:9px 12px;font-size:14px;background:var(--card);color:var(--ink)}
.chat-input .btn{padding:9px 14px;font-size:14px}

/* ---- 排行榜页 ---- */
.rank-list{display:flex;flex-direction:column;gap:8px}
.rank-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r);border:2px solid var(--line);background:var(--card)}
.rank-row.top{border-color:var(--ochre);background:linear-gradient(135deg,var(--ochre-soft),var(--card))}
.rank-no{font-weight:800;font-size:18px;width:34px;text-align:center;flex:0 0 auto}
.rank-ava{flex:0 0 auto}
.rank-main{flex:1;min-width:0}
.rank-name{font-weight:800;font-size:16px}
.rank-sub{font-size:13px;color:var(--ink-3)}

/* ---- 好友页 ---- */
.fr-req,.fr-card{display:flex;align-items:center;gap:12px}
.fr-req{padding:11px 12px;border:1px solid var(--line);border-radius:var(--r);margin-bottom:8px}
.fr-ava{flex:0 0 auto}
.fr-info{flex:1;min-width:0}
.fr-name{font-weight:700}
.fr-sub{font-size:12px;color:var(--ink-3)}
.fr-acts{display:flex;gap:6px;flex:0 0 auto}
.fr-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:10px}
.fr-card{flex-direction:column;gap:6px;padding:14px 10px;border:2px solid var(--line);border-radius:var(--r);
  background:var(--card);cursor:pointer;transition:transform .14s var(--spring),background .14s}
.fr-card:hover{transform:translateY(-3px);background:var(--ochre-soft)}
.fr-card .fr-name{font-size:14px;text-align:center}

/* ---- 我的页：头像上传 ---- */
.me-ava{position:relative;width:64px;height:64px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;
  border:3px solid var(--ochre);background:var(--ochre-soft);overflow:hidden;flex:0 0 auto}
.me-ava-img{width:100%;height:100%;border-radius:50%;object-fit:cover;font-size:30px}
.me-ava-edit{position:absolute;right:-2px;bottom:-2px;background:var(--card);border:2px solid var(--line-strong);border-radius:50%;
  width:22px;height:22px;display:flex;align-items:center;justify-content:center;font-size:11px}