.bubble-btn{border:none;font-family:inherit;font-weight:600;letter-spacing:.5px;cursor:pointer;transition:var(--transition-smooth);position:relative;display:inline-flex;align-items:center;justify-content:center;color:#fff;gap:8px;box-shadow:var(--shadow-sm)}.bubble-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-float);filter:brightness(1.1)}.bubble-btn:active{transform:translateY(0)}.bubble-btn--sm{padding:6px 16px;font-size:.85rem;border-radius:var(--radius-sm)}.bubble-btn--md{padding:10px 24px;font-size:1rem;border-radius:var(--radius-md)}.bubble-btn--lg{padding:16px 36px;font-size:1.25rem;border-radius:var(--radius-lg)}.bubble-btn--primary{background:var(--nova-gradient-main)}.bubble-btn--secondary{background:#fff;color:var(--nova-text-main);border:2px solid #dfe6e9;box-shadow:none}.bubble-btn--secondary:hover{border-color:var(--nova-primary);color:var(--nova-primary)}.bubble-btn--danger{background:var(--nova-alert)}.bubble-btn--accent{background:var(--nova-gradient-warm);color:#fff}.bubble-btn--success{background:linear-gradient(135deg,#00b894,#55efc4);color:#fff;box-shadow:0 4px 15px #00b8944d}.bubble-btn--warning{background:linear-gradient(135deg,#f1c40f,#f39c12);color:#fff;box-shadow:0 4px 15px #f39c124d}.bubble-btn--outline{background:#fff;color:#1e293b;border:2px solid #cbd5e1;box-shadow:0 2px 8px #00000014;font-weight:600}.bubble-btn--outline:hover{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border-color:transparent;box-shadow:0 8px 20px #6366f14d;transform:translateY(-3px)}.bubble-btn--outline:active{transform:translateY(-1px)}.bubble-btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none;filter:grayscale(.3)}.bubble-btn:disabled:hover{transform:none;box-shadow:var(--shadow-sm);filter:grayscale(.3)}