:root{--bg:#f4f6fb;--surface:#fff;--surface-soft:#eef3ff;--primary:#0f4c81;--primary-strong:#06345c;--text:#12263a;--text-soft:#58708a;--border:#d7e1ee;--danger:#b42318;--success:#117a37;--warning:#b37b00;--radius:14px;--shadow:0 20px 40px #102a4314}*{box-sizing:border-box}body{background:radial-gradient(circle at 20% -20%, #d9e8ff 0%, transparent 45%), radial-gradient(circle at 100% 0%, #e7fbf4 0%, transparent 35%), var(--bg);color:var(--text);margin:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}#root{min-height:100vh}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.btn{cursor:pointer;border:0;border-radius:10px;padding:.6rem 1rem;font-weight:600;transition:transform .2s,opacity .2s}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-soft{background:var(--surface-soft);color:var(--primary-strong)}@media (width<=860px){.admin-shell{flex-direction:column}.admin-sidebar{border-bottom:1px solid var(--border);border-right:0!important;width:100%!important}.admin-main{padding:14px!important}}