.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.7rem 1.7rem;border-radius:var(--radius-pill);border:1px solid transparent;font-size:.95rem;font-weight:600;cursor:pointer;white-space:nowrap;transition:background 150ms,color 150ms,box-shadow 150ms,transform 80ms;background:0 0;color:var(--color-text-soft)}.btn:focus-visible{outline:0;box-shadow:0 0 0 2px rgba(37,99,235,.28)}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--brand-primary-strong),var(--brand-secondary));color:#f9fafb;box-shadow:0 18px 40px rgba(37,99,235,.45);border-color:rgba(129,140,248,.7)}.btn-primary:hover{box-shadow:var(--shadow-strong);transform:translateY(-1px)}.btn-ghost{background:rgba(255,255,255,.02);border-color:var(--color-border);color:var(--color-text-soft)}.btn-ghost:hover{background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(139,92,246,.12));border-color:rgba(129,140,248,.8);color:var(--color-text)}.btn-outline{border-color:rgba(148,163,184,.9);background:radial-gradient(circle at 0 0,rgba(129,140,248,.25),transparent 55%),rgba(255,255,255,.06);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--color-text)}:root[data-theme=dark] .btn-outline{color:#e5edff;background:radial-gradient(circle at 0 0,rgba(129,140,248,.35),transparent 55%),rgba(15,23,42,.96)}.btn-sm{padding:.45rem 1.1rem;font-size:.82rem}.btn-lg{padding:1rem 2rem;font-size:1.02rem}.btn .btn-icon{display:inline-block;width:18px;height:18px}