button,.filelbl{
      background:#1f2937;
      color:var(--text);
      border:1px solid rgba(255,255,255,.1);
      border-radius:var(--control-radius);
      padding:10px 14px;
      font-weight:600;
      cursor:pointer;
      transition:
        transform var(--motion-fast) ease,
        box-shadow var(--motion-med) ease,
        border-color var(--motion-med) ease,
        background var(--motion-med) ease,
        opacity var(--motion-fast) ease;
    }
    button:hover,.filelbl:hover{border-color:rgba(56,189,248,.65)}
    .primary,.filelbl.primary{background:linear-gradient(90deg,#0284c7,#38bdf8);color:#ffffff;border:none}
    .danger{background:#3b1217;color:#fecaca}
    .success{background:#0e2d1f;color:#bbf7d0}
    .filelbl input{display:none}