:root{--brand:#1f6feb;--bg:#f5f6f8;--text:#1a1a1a;--border:#dcdfe4;--danger:#c0392b;--ok:#1e8449}
*{box-sizing:border-box}
body.panel{margin:0;font-family:system-ui,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}
.panel-nav{display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--border);padding:14px 24px}
.panel-nav .brand{font-weight:700;color:var(--brand);text-decoration:none;font-size:18px}
.panel-nav nav a,.panel-nav nav button{margin-left:12px}
.panel-main{max-width:960px;margin:0 auto;padding:24px}
.panel-header h1{margin:0 0 16px}
.panel-form{background:#fff;border:1px solid var(--border);border-radius:8px;padding:20px;max-width:520px}
.panel-form label{display:block;margin-bottom:14px;font-size:14px;font-weight:600}
.panel-form input,.panel-form textarea,.panel-form select{display:block;width:100%;margin-top:6px;padding:9px 10px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit}
.panel-form textarea{min-height:100px}
.button{display:inline-block;background:var(--brand);color:#fff;border:none;padding:9px 18px;border-radius:6px;font-size:14px;cursor:pointer;text-decoration:none}
.button.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.button.small{padding:6px 12px;font-size:13px}
.button.danger{background:var(--danger)}
.flash{background:#eaf7ea;border:1px solid var(--ok);color:var(--ok);padding:10px 14px;border-radius:6px;margin-bottom:16px}
.flash.error{background:#fdecea;border-color:var(--danger);color:var(--danger)}
.panel-note{font-size:14px;color:#555}
table.panel-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden}
table.panel-table th,table.panel-table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}
.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px}
.badge.ok{background:#eaf7ea;color:var(--ok)}
.badge.off{background:#f0f0f0;color:#777}
.product-photos{display:flex;gap:8px;margin:10px 0}
.product-photos img{width:64px;height:64px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}