.btn{cursor:pointer;white-space:nowrap;border:none;border-radius:16px;justify-content:center;align-items:center;gap:12px;width:100%;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);display:inline-flex}.btn-sm{border-radius:12px;padding:8px 16px;font-size:.9rem}.btn-md{border-radius:16px;padding:14px 28px;font-size:1.1rem}.btn-lg{border-radius:20px;padding:20px 32px;font-size:1.4rem}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 15px #25745433}.btn-primary:active{transform:scale(.98)}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 6px 20px #2574544d}.btn-secondary{background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border:1px solid var(--glass-border);color:var(--text);box-shadow:0 2px 8px #0000000d}.btn-secondary:hover{border-color:var(--primary);color:var(--primary);background:#fff}.btn-ghost{color:var(--text-muted);background:0 0}.btn-ghost:hover{color:var(--text);background:#ffffff0d}