.btn-minimalist{position:relative;padding:16px 32px;font-size:16px;font-weight:500;letter-spacing:.02em;border:none;border-radius:100px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);overflow:hidden;outline:none;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:140px}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:white!important;box-shadow:0 4px 15px 0 rgba(102,126,234,.4)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 20px 0 rgba(102,126,234,.5)}.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px 0 rgba(102,126,234,.3)}.btn-primary:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;border-radius:50%;background:rgba(255,255,255,.5);transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn-primary:active:before{width:300px;height:300px}.btn-primary span{color:white!important;position:relative;z-index:2}.btn-secondary{background:transparent;color:#667eea;border:2px solid #667eea;position:relative;overflow:hidden;z-index:1}.btn-secondary:after{content:"";position:absolute;top:0;left:0;width:0;height:100%;background:linear-gradient(135deg,#667eea,#764ba2);transition:width .3s cubic-bezier(.4,0,.2,1);z-index:-1}.btn-secondary:hover:after{width:100%}.btn-secondary:hover{color:white;border-color:transparent;transform:translateY(-2px);box-shadow:0 7px 20px 0 rgba(102,126,234,.3)}.btn-secondary:active{transform:translateY(0);box-shadow:0 3px 10px 0 rgba(102,126,234,.2)}.btn-ghost{background:rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:#667eea;border:1px solid rgba(102,126,234,.3);position:relative}.btn-ghost:hover{background:rgba(255,255,255,.2);border-color:rgba(102,126,234,.5);transform:translateY(-2px);box-shadow:0 10px 25px 0 rgba(102,126,234,.2)}.btn-link{background:none;border:none;color:#667eea;padding:8px 16px;font-size:14px;font-weight:500;position:relative;transition:all .3s ease}.btn-link:after{content:"";position:absolute;bottom:0;left:50%;width:0;height:2px;background:linear-gradient(135deg,#667eea,#764ba2);transform:translateX(-50%);transition:width .3s ease}.btn-link:hover:after{width:100%}.btn-link:hover{color:#764ba2}.btn-google{background:white;color:#3c4043;border:1px solid #dadce0;font-weight:500;transition:all .3s ease;box-shadow:0 1px 3px 0 rgba(60,64,67,.08)}.btn-google:hover{background:#f8f9fa;border-color:#dadce0;box-shadow:0 2px 8px 0 rgba(60,64,67,.15);transform:translateY(-1px)}.btn-google:active{background:#f1f3f4;box-shadow:0 1px 3px 0 rgba(60,64,67,.08);transform:translateY(0)}.btn-minimalist.loading{pointer-events:none}.btn-minimalist.loading span{opacity:0}.btn-minimalist.loading:after{content:"";position:absolute;width:20px;height:20px;top:50%;left:50%;margin-left:-10px;margin-top:-10px;border-radius:50%;border:2px solid transparent;border-top-color:currentcolor;animation:spinner .8s linear infinite}.btn-primary.loading:after{border-top-color:white}@keyframes spinner{to{transform:rotate(1turn)}}.btn-pulse{animation:pulse 2s cubic-bezier(.4,0,.6,1) infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.8}}.btn-glow{position:relative;z-index:1}.btn-glow:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:inherit;border-radius:inherit;filter:blur(20px);opacity:.4;z-index:-1;transition:opacity .3s ease}.btn-glow:hover:before{opacity:.6}.btn-minimalist:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn-minimalist svg{width:20px;height:20px;transition:transform .3s ease}.btn-minimalist:hover svg{transform:translateX(2px)}@media (max-width:640px){.btn-minimalist{font-size:14px;padding:14px 28px;min-width:120px}}