*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,sans-serif;background:#f8f8f8;color:#111;display:flex;justify-content:center;padding:2rem}a{color:#007aff;text-decoration:underline;cursor:pointer;font-weight:500}.container{background:#fff;border-radius:20px;padding:2rem;max-width:500px;width:100%;box-shadow:0 10px 30px #0000000d;text-align:center}h1{font-size:1.8rem;margin:0 0 .5rem}p{font-size:1rem;color:#555;margin-bottom:2rem}input[type=file],input[type=text]{display:block;margin:.5rem auto 1rem;font-size:1rem;padding:.5rem;width:100%;border-radius:8px;border:1px solid #ccc;transition:border-color .3s}input.invalid-input{border-color:#ff4b4b;background-color:#fff0f0;animation:shake .5s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}50%{transform:translate(5px)}75%{transform:translate(-5px)}}#videoInput1,#videoInput2{width:.1px;height:.1px;opacity:0;overflow:hidden;position:absolute;z-index:-1}#processingIndicator{text-align:center;margin:20px 0}.spinner{border:4px solid rgba(0,0,0,.1);border-radius:50%;border-top:4px solid #007aff;width:40px;height:40px;margin:10px auto;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#statusText{font-weight:500;color:#333}.upload-label{padding:10px 20px;background:#007aff;color:#fff;padding:.8rem 1.2rem;border-radius:12px;cursor:pointer;font-weight:500;display:inline-block;margin-top:.5rem;transition:opacity .3s,background .3s}.upload-label.disabled{background:#a0bfdf;cursor:not-allowed;pointer-events:none}.progress{margin-top:1.5rem;height:8px;background:#eee;border-radius:4px;overflow:hidden}.progress-bar{height:100%;width:0%;background:#007aff;transition:width .3s ease}video{max-width:100%;margin-top:1rem;border-radius:12px}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:#000000b3;backdrop-filter:blur(5px)}.modal-content{background-color:#fff;margin:10% auto;padding:1.5rem;border-radius:16px;box-shadow:0 4px 20px #0003;width:90%;max-width:500px;animation:modalFadeIn .3s;text-align:center}#custom-modal-content{max-width:400px;padding:2rem}#modal-text{font-size:1.1rem;color:#333;margin:0 0 1.5rem;line-height:1.5}.modal-actions{display:flex;justify-content:center;gap:1rem}@keyframes modalFadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.close-modal{float:right;font-size:28px;font-weight:700;cursor:pointer;color:#555}.close-modal:hover{color:#007aff}.video-examples{display:flex;flex-direction:column;gap:1.5rem;margin:1rem 0}.example-item{border-radius:12px;background-color:#f8f8f8;padding:.5rem;box-shadow:0 2px 8px #0000000d}.example-item p{margin:.5rem 0;font-weight:500}.example-item video{margin:0;width:100%}#show-examples{color:#007aff;text-decoration:underline;cursor:pointer;font-weight:500}@media (min-width: 768px){.video-examples{flex-direction:row}.example-item{flex:1}}.thank-you-animation{margin:2rem auto;display:flex;justify-content:center;align-items:center;height:100px}.heart{background-color:#ff4b4b;display:inline-block;height:60px;margin:0 10px;position:relative;top:0;transform:rotate(-45deg);width:60px;animation:heartbeat 1.5s infinite}.heart:before,.heart:after{content:"";background-color:#ff4b4b;border-radius:50%;height:60px;position:absolute;width:60px}.heart:before{top:-30px;left:0}.heart:after{left:30px;top:0}@keyframes heartbeat{0%{transform:rotate(-45deg) scale(.8)}5%{transform:rotate(-45deg) scale(.9)}10%{transform:rotate(-45deg) scale(.8)}15%{transform:rotate(-45deg) scale(1)}50%{transform:rotate(-45deg) scale(.8)}to{transform:rotate(-45deg) scale(.8)}}.primary-button{background:#007aff;color:#fff;padding:.8rem 1.2rem;border-radius:12px;cursor:pointer;font-weight:500;display:inline-block;margin-top:.5rem;transition:opacity .3s,background .3s;border:none;font-size:1rem;box-shadow:0 4px 10px #007aff33}.primary-button:hover{background:#0066d6;transform:translateY(-2px);box-shadow:0 6px 15px #007aff40}.primary-button:active{transform:translateY(0)}.donate-button{color:#007aff;text-decoration:underline;cursor:pointer;font-weight:500}.donate-button:hover{transform:translateY(-2px)}.steps-container{display:flex;margin:20px 0;font-size:.9rem;color:#777;padding-bottom:10px}.step{position:relative;padding:0 15px 10px;margin-right:20px;font-weight:400;cursor:default}.step:after{content:"";position:absolute;bottom:-1px;left:0;width:0;height:2px;background-color:transparent;transition:width .3s ease}.step.active{color:#333;font-weight:500}.step.active:after{width:100%;background-color:#007aff}.step.completed{color:#007aff}