:root{--ink:#15171a;--muted:#626a73;--line:#dfe3e8;--panel:#fff;--soft:#f5f6f7;--accent:#0f766e;--accent-ink:#fff;--danger:#b42318;--shadow:0 18px 45px rgba(18,24,40,.08)}*{box-sizing:border-box}body{margin:0;background:#fbfbfa;color:var(--ink);font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.sr-only{clip:rect(0 0 0 0);-webkit-clip-path:inset(50%);clip-path:inset(50%);height:1px;overflow:hidden;position:absolute;white-space:nowrap;width:1px}.admin-header,.site-header{align-items:center;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;min-height:68px;padding:0 32px}.brand{font-size:20px;font-weight:800}.admin-actions a,.admin-actions button,.site-header nav a{border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:10px 14px}.admin-shell,.catalog-shell,.detail-shell{margin:0 auto;max-width:1180px;padding:34px 24px 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