:root{
  --primary:#2563EB;
  --secondary:#1E293B;
  --accent:#10B981;
  --bg:#0D1117;
  --card:#0f1722;
  --muted:#9fb0ff;
}

/* Header */
.sh-header{position:sticky;top:0;z-index:9999;background:var(--bg);border-bottom:1px solid rgba(255,255,255,0.05);width:100%}
.sh-header-inner{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 14px;width:100%;max-width:100%;box-sizing:border-box}
.sh-left,.sh-center,.sh-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.sh-logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--muted)}
.sh-logo-img{width:28px;height:auto;max-height:28px;display:block;object-fit:contain}
.sh-brand{font-weight:600;font-size:16px;color:var(--primary)}
.sh-location-chip{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.08);padding:6px 10px;border-radius:20px;display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px}
.sh-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:8px;border:1px solid rgba(255,255,255,0.08);background:transparent;color:var(--muted);font-weight:600;text-decoration:none}
.sh-login-link{color:var(--primary);font-weight:600}

/* Bottom nav mobile */
.sh-bottom-nav{position:fixed;left:0;right:0;bottom:0;height:64px;background:var(--card);display:flex;align-items:center;justify-content:space-around;padding:6px;border-top:1px solid rgba(255,255,255,0.06);z-index:9998}
.sh-nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--muted);text-decoration:none;font-size:12px}
.sh-nav-item .ico{font-size:18px}
.sh-nav-item .label{font-size:11px}
@media(min-width:992px){.sh-bottom-nav{display:none;}}

/* Modal */
.sh-modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,0.6);z-index:10000}
.sh-modal[aria-hidden="false"]{display:flex}
.sh-modal-panel{background:var(--bg);padding:18px;border-radius:12px;max-width:420px;width:92%}
.sh-modal-close{border:none;background:transparent;font-size:18px;position:absolute;right:12px;top:8px;cursor:pointer}
.sh-claim-action{width:100%;padding:10px;border-radius:8px;border:1px dashed rgba(255,255,255,0.08);background:transparent;color:var(--muted);margin-bottom:10px}
@media(max-width:400px){.sh-brand{font-size:14px}.sh-location-chip{padding:4px 8px;font-size:12px}.sh-btn{padding:4px 8px;font-size:12px}}