/* main nav */
.mainnav{display:flex;gap:4px;background:var(--panel2);border-radius:10px;padding:4px;margin-left:8px}
.mainnav .navbtn{cursor:pointer;border:none;background:transparent;color:var(--muted);padding:8px 14px;border-radius:8px;font:inherit;font-weight:600}
.mainnav .navbtn.active{background:var(--bg);color:var(--txt)}

/* brand & persona */
.view-brands{padding:18px;max-width:1400px;margin:0 auto}
.br-layout{display:grid;grid-template-columns:340px 1fr;gap:18px}
@media(max-width:900px){.br-layout{grid-template-columns:1fr}}
.br-tree{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;height:fit-content}
.br-tree-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.brand-tree{display:flex;flex-direction:column;gap:6px}
.brand-node{background:var(--panel2);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.brand-node .bn-head{display:flex;align-items:center;gap:8px;padding:11px 12px;cursor:pointer;font-weight:700}
.brand-node .bn-head:hover{background:#232833}
.brand-node .bn-count{margin-left:auto;font-size:12px;color:var(--muted);font-weight:600}
.persona-list{display:none;padding:6px 8px 10px}
.persona-list.open{display:block}
.persona-node{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;cursor:pointer;font-size:14px}
.persona-node:hover{background:#232833}
.persona-node.active{background:var(--accent);color:#fff}
.persona-node .pn-av{width:26px;height:26px;border-radius:50%;object-fit:cover;background:#333;border:1px solid var(--line)}
.persona-node .pn-add{color:var(--muted);font-style:italic}
.br-detail{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;min-height:400px}
.br-detail h2{margin:0 0 4px}
.br-detail .sub{color:var(--muted);font-size:13px;margin-bottom:18px}
.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:12px;margin:14px 0}
.photo-card{position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel2)}
.photo-card img{width:100%;display:block;aspect-ratio:3/4;object-fit:cover}
.photo-card .pc-label{font-size:11px;padding:5px 7px;color:var(--muted)}
.photo-card .pc-primary{position:absolute;top:6px;left:6px;background:var(--accent);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:999px}
.photo-card .pc-del{position:absolute;top:6px;right:6px;background:rgba(0,0,0,.7);border:none;color:#fff;border-radius:50%;width:20px;height:20px;cursor:pointer;font-size:12px;line-height:1}
.photo-card .pc-set{position:absolute;bottom:30px;left:6px;background:rgba(0,0,0,.65);border:none;color:#fff;border-radius:6px;padding:3px 8px;cursor:pointer;font-size:11px}
.upload-zone{border:2px dashed var(--line);border-radius:12px;padding:22px;text-align:center;cursor:pointer;transition:.15s}
.upload-zone:hover,.upload-zone.drag{border-color:var(--accent);background:#1a1e27}
.upload-zone .uz-icon{font-size:28px;margin-bottom:6px}
.upload-zone .uz-hint{color:var(--muted);font-size:13px}
.br-form{display:grid;gap:4px;max-width:640px}
.form-row{display:flex;gap:10px;margin-top:18px}
.form-row .btn{flex:0 0 auto}
.danger{color:var(--err);border-color:var(--err)!important}
.persona-badge{display:inline-block;background:var(--panel2);border:1px solid var(--line);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600;margin-right:6px}