/* sidebar */
.sb{width:236px;flex:0 0 236px;background:var(--soft);border-right:1px solid var(--bd);padding:14px 10px;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column}
.brand{display:flex;gap:9px;align-items:center;padding:6px 8px 14px}
.logo{width:32px;height:32px;border-radius:8px;background:var(--blue);color:#fff;display:grid;place-items:center;font-size:17px;flex:0 0 32px}
.brand b{font-size:14px;letter-spacing:-.01em;display:block}
.brand span{font-size:11px;color:var(--text2)}
.grp{font-size:10px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--text2);padding:13px 9px 5px}
.nav{display:flex;gap:9px;align-items:center;width:100%;padding:7px 9px;border:0;background:none;border-radius:7px;cursor:pointer;text-align:left;font-size:13.5px;color:var(--text2)}
.nav:hover{background:var(--surf2)}
.nav.on{background:var(--canvas);color:var(--text);font-weight:600;box-shadow:var(--sh)}
.nav .ic{width:17px;text-align:center;flex:0 0 17px}
.nav .bd{margin-left:auto;background:var(--blue);color:#fff;font-size:10.5px;font-weight:700;padding:1px 6px;border-radius:20px}
.foot{margin-top:auto;padding:12px 9px 4px;border-top:1px solid var(--bd);font-size:11px;color:var(--text2);line-height:1.7}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);display:inline-block;margin-right:5px}

/* main */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.tb{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--canvas) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--bd);padding:13px 24px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.tb h1{font-size:19px;font-weight:680;letter-spacing:-.02em}
.tb .sub{font-size:12px;color:var(--text2)}
.ct{padding:22px 24px 60px;max-width:1560px;width:100%}

@media(max-width: 900px) {
  .tb {
    padding: 10px 14px;
    flex-wrap: nowrap;
  }
  .ct {
    padding: 12px 10px calc(76px + env(safe-area-inset-bottom, 12px));
  }
}