*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:#fff;color:#000;line-height:1.6}.container{max-width:800px;margin:0 auto;padding:40px 20px}.invite-section{margin-bottom:32px}.invite-card{background:linear-gradient(135deg,#3564e6,#4c7bff);border-radius:16px;padding:24px;display:flex;align-items:center;gap:20px;color:#fff;box-shadow:0 8px 32px #3564e64d;position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.2);animation:slideIn .5s ease-out}.invite-card:before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="15" cy="15" r="1" fill="white" opacity="0.15"/><circle cx="85" cy="25" r="0.8" fill="white" opacity="0.1"/><circle cx="25" cy="75" r="1.2" fill="white" opacity="0.12"/><circle cx="75" cy="85" r="1.5" fill="white" opacity="0.08"/><circle cx="50" cy="30" r="0.6" fill="white" opacity="0.1"/><circle cx="35" cy="60" r="0.9" fill="white" opacity="0.1"/></svg>');pointer-events:none}.invite-icon{font-size:36px;flex-shrink:0;z-index:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.invite-content{flex:1;z-index:1}.invite-title{font-size:20px;font-weight:600;margin-bottom:8px;text-shadow:0 1px 2px rgba(0,0,0,.1)}.invite-text{font-size:15px;opacity:.95;margin-bottom:12px;line-height:1.4}.invite-message{font-size:14px;opacity:.85;font-style:italic;line-height:1.4;background:#ffffff1a;padding:12px 16px;border-radius:8px;border-left:3px solid rgba(255,255,255,.3)}.header{text-align:center;margin-bottom:40px}.logo{font-size:24px;font-weight:600;color:#3564e6;margin-bottom:20px}.title{font-size:32px;font-weight:600;color:#000;margin-bottom:16px}.subtitle{font-size:16px;color:#a7acba;margin-bottom:40px}.form-section{background:#fff;border:1px solid #f0f0f0;border-radius:12px;padding:32px;margin-bottom:24px;box-shadow:0 2px 8px #0000000a}.section-title{font-size:20px;font-weight:600;color:#000;margin-bottom:20px}.form-group{margin-bottom:24px}.form-label{display:block;font-size:14px;font-weight:600;color:#000;margin-bottom:8px}.form-input{width:100%;padding:12px 16px;border:1px solid #e0e0e0;border-radius:8px;font-size:14px;color:#000;background:#fff;transition:border-color .2s}.form-input:focus{outline:none;border-color:#3564e6;box-shadow:0 0 0 3px #3564e61a}.radio-group{display:flex;gap:16px;flex-wrap:wrap;margin-top:8px}.radio-item{display:flex;align-items:center;gap:8px}.radio-input{appearance:none;width:20px;height:20px;border:2px solid #e0e0e0;border-radius:50%;position:relative;cursor:pointer;transition:border-color .2s}.radio-input:checked{border-color:#3564e6}.radio-input:checked:after{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:10px;height:10px;background:#3564e6;border-radius:50%}.radio-label{font-size:14px;color:#000;cursor:pointer}.scale-labels{display:flex;justify-content:space-between;margin-top:12px;font-size:12px;color:#a7acba}.textarea{width:100%;padding:12px 16px;border:1px solid #e0e0e0;border-radius:8px;font-size:14px;color:#000;background:#fff;min-height:100px;resize:vertical;transition:border-color .2s;font-family:Inter,sans-serif}.textarea:focus{outline:none;border-color:#3564e6;box-shadow:0 0 0 3px #3564e61a}.optional{color:#a7acba;font-size:12px;font-weight:400}.checkbox-group{display:flex;align-items:flex-start;gap:12px}.checkbox-input{appearance:none;width:20px;height:20px;border:2px solid #e0e0e0;border-radius:4px;position:relative;cursor:pointer;transition:all .2s;flex-shrink:0;margin-top:2px}.checkbox-input:checked{border-color:#3564e6;background-color:#3564e6}.checkbox-input:checked:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:12px;font-weight:700}.checkbox-input:focus{outline:none;box-shadow:0 0 0 3px #3564e61a}.checkbox-label{font-size:14px;color:#000;cursor:pointer;line-height:1.5;flex:1}.privacy-link{color:#3564e6;text-decoration:none;font-weight:500;transition:color .2s}.privacy-link:hover{color:#2952d1;text-decoration:underline}.submit-btn{background:#3564e6;color:#fff;border:none;padding:12px 24px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s;width:100%;margin-top:20px}.submit-btn:hover{background:#2952d1}.submit-btn:disabled{background:#a7acba;cursor:not-allowed}.question{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid #f0f0f0}.question:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.question-text{font-size:14px;color:#000;margin-bottom:12px}@media(max-width:768px){.container{padding:20px 16px}.form-section{padding:24px 20px}.radio-group{flex-direction:column;gap:12px}.scale-labels{flex-direction:column;gap:4px;text-align:center}.invite-card{flex-direction:column;text-align:center;gap:16px;padding:20px;align-items:center}.invite-icon{font-size:32px}.invite-title{font-size:18px}.invite-text{font-size:14px}.invite-message{font-size:13px;text-align:left}.checkbox-group{align-items:flex-start;gap:10px}.checkbox-label{font-size:13px}}@keyframes slideIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.popover-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-out;backdrop-filter:blur(4px)}.popover-content{background:#fff;border-radius:16px;padding:32px;max-width:400px;width:90%;box-shadow:0 20px 60px #0000004d;text-align:center;animation:popoverSlideIn .3s ease-out;position:relative}.popover-icon{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#3564e6,#4c7bff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;margin:0 auto 20px;box-shadow:0 8px 24px #3564e666}.popover-title{font-size:24px;font-weight:600;color:#000;margin-bottom:12px}.popover-message{font-size:15px;color:#666;line-height:1.6;margin-bottom:24px}.popover-button{background:#3564e6;color:#fff;border:none;padding:12px 32px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background-color .2s;width:100%}.popover-button:hover{background:#2952d1}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes popoverSlideIn{0%{opacity:0;transform:translateY(-20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@media(max-width:768px){.popover-content{padding:24px;max-width:90%}.popover-icon{width:56px;height:56px;font-size:28px;margin-bottom:16px}.popover-title{font-size:20px}.popover-message{font-size:14px}}.invite-loading{display:flex;flex-direction:column;align-items:center;gap:12px;padding:8px 0}.loading-spinner{width:24px;height:24px;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.loading-text{font-size:14px;opacity:.9;text-shadow:0 1px 2px rgba(0,0,0,.1)}@keyframes spin{to{transform:rotate(360deg)}}