.btn{ font-size:0.85rem; font-weight:500; padding:12px 22px; border-radius:8px; display:inline-block; border:none; }
.btn-primary{ background:var(--grad-primary); color:#fff; box-shadow:0 6px 24px -6px rgba(88,101,242,0.5); }
.btn-primary:disabled{ opacity:0.35; cursor:not-allowed; box-shadow:none; }
.btn-ghost{ background:transparent; color:var(--muted); border:1px solid var(--line); }
.btn-ghost:hover{ color:var(--ink); border-color:#2A3A5C; }