:root{
  --bg:#ffffff; --fg:#111827; --muted:#6b7280; --accent:#ec4c93;
  --card:#f7f8fb; --line:#e5e7eb; --ok:#10b981; --warn:#f59e0b; --err:#ef4444;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0b0d10; --fg:#e8e8ea; --muted:#9aa0a6; --card:#12161b; --line:#1f2937; --accent:#ef5aa3;}
}
body{background:var(--bg);color:var(--fg)}
.hx-fade{transition:opacity .2s ease}
.app-wrap{max-width:520px;margin:0 auto;padding-bottom:84px}
.app-section{padding:12px 16px}
.h1{font-size:22px;font-weight:700;margin:8px 0 12px}
.h2{font-size:18px;font-weight:700;margin:8px 0 12px}
.cardx{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}
.row{display:flex;gap:12px;align-items:center}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;border:1px solid var(--line);font-size:12px}
.btnlg{width:100%;padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--accent);color:#fff;font-weight:700;text-align:center;text-decoration:none;display:inline-block}
.btn-outline{background:transparent;color:var(--fg);border-color:var(--line)}
.tabbar{position:fixed;left:50%;transform:translateX(-50%);bottom:0;right:0;max-width:520px;background:#fff;border-top:1px solid var(--line);padding:8px 10px;z-index:50}
@media (prefers-color-scheme: dark){ .tabbar{background:#0e1115;} }
.tabbar .tabs{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:6px;padding:6px;border-radius:12px;color:var(--muted);text-decoration:none;border:1px solid transparent}
.tabbar a.active{color:var(--accent);border-color:var(--line)}
.icon{width:22px;height:22px}
.list{display:flex;flex-direction:column;gap:12px}
.item{display:flex;gap:12px;align-items:flex-start;padding:12px;border-radius:16px;background:var(--card);border:1px solid var(--line)}
.item .pic{width:44px;height:44px;border-radius:12px;overflow:hidden;background:#e5e7eb;display:flex;align-items:center;justify-content:center}
.item .pic img{width:100%;height:100%;object-fit:cover}
.time{font-size:12px;color:var(--muted)}
.title{font-size:16px;font-weight:700}
.subtitle{font-size:13px;color:var(--muted)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.trainer-card{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--card)}
.trainer-card .cover{height:150px;background:#e5e7eb;overflow:hidden}
.trainer-card .cover img{width:100%;height:100%;object-fit:cover}
.trainer-card .body{padding:10px}
.status.ok{background:rgba(16,185,129,.12);border-color:rgba(16,185,129,.3);color:#10b981}
.status.err{background:rgba(239,68,68,.12);border-color:rgba(239,68,68,.3);color:#ef4444}
.status.warn{background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.3);color:#f59e0b}