.btn-modern{-webkit-backdrop-filter:blur(10px);letter-spacing:.5px;text-transform:uppercase;font-size:.875rem;font-weight:600;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.btn-modern:before{content:"";background:linear-gradient(90deg,#0000,#ffffff4d,#0000);width:100%;height:100%;transition:left .5s;position:absolute;top:0;left:-100%}.btn-modern:hover:before{left:100%}.btn-primary-transparent{border:2px solid var(--primary-color);color:var(--primary-color);-webkit-backdrop-filter:blur(10px);background:#8b181a1a}.btn-primary-transparent:hover:not(:disabled){border-color:var(--primary-hover);color:var(--primary-hover);background:#8b181a33;transform:translateY(-2px);box-shadow:0 8px 25px #8b181a4d}.btn-primary-transparent:active:not(:disabled){transform:translateY(0);box-shadow:0 4px 15px #8b181a33}.btn-outline-transparent{color:var(--primary-color);-webkit-backdrop-filter:blur(10px);background:#ffffff1a;border:2px solid #8b181a80}.btn-outline-transparent:hover:not(:disabled){border-color:var(--primary-color);color:#fff;background:#8b181a26;transform:translateY(-2px);box-shadow:0 8px 25px #8b181a40}.btn-ghost-transparent{color:var(--primary-color);-webkit-backdrop-filter:blur(10px);background:0 0;border:2px solid #0000}.btn-ghost-transparent:hover:not(:disabled){background:#8b181a1a;border-color:#8b181a4d;transform:translateY(-2px)}.btn-gradient-transparent{border:2px solid var(--primary-color);color:var(--primary-color);-webkit-backdrop-filter:blur(10px);background:linear-gradient(135deg,#8b181a33 0%,#a3212333 100%);position:relative}.btn-gradient-transparent:after{content:"";background:linear-gradient(135deg,var(--primary-color)0%,var(--primary-hover)100%);opacity:0;z-index:-1;border-radius:inherit;transition:opacity .3s;position:absolute;top:0;bottom:0;left:0;right:0}.btn-gradient-transparent:hover:not(:disabled):after{opacity:1}.btn-gradient-transparent:hover:not(:disabled){color:#fff;transform:translateY(-2px);box-shadow:0 8px 25px #8b181a66}.btn-shine{position:relative;overflow:hidden}.btn-shine:before{content:"";background:linear-gradient(90deg,#0000,#fff6,#0000);width:100%;height:100%;transition:left .6s;position:absolute;top:0;left:-100%}.btn-shine:hover:before{left:100%}@keyframes pulse{0%,to{box-shadow:0 0 #8b181a66}50%{box-shadow:0 0 0 10px #8b181a00}}.btn-pulse:active{animation:.6s pulse}.button-spinner{vertical-align:middle;border:2px solid;border-top-color:#0000;border-radius:50%;width:14px;height:14px;margin-right:.5rem;animation:.6s linear infinite spin;display:inline-block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}