:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400}html,body,#root{width:100%;height:100%;margin:0;padding:0;overflow-x:hidden}*{box-sizing:border-box;margin:0;padding:0;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.login-container{width:100%;height:100vh;background-image:url(/background.jpg);background-size:cover;background-position:center;display:flex;justify-content:center;align-items:center;position:relative}.language-selector{position:absolute;top:20px;right:20px;background:#fff;padding:6px 10px;border-radius:4px;display:flex;align-items:center;gap:8px;cursor:pointer;box-shadow:0 1px 3px #0000001a;font-size:.85rem;font-weight:500;color:#333;border:1px solid #eee}.login-card{background-color:#89cff099;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);padding:35px;border-radius:8px;width:90%;max-width:1250px;box-shadow:0 4px 15px #0000001a;text-align:center;color:#000;max-height:95vh;overflow-y:auto}.login-card form{max-width:600px;margin:0 auto;width:100%}.login-card h2{margin-bottom:25px;font-weight:500;font-size:1.6rem;color:#111}.form-group{margin-bottom:15px;text-align:left}.label-text{font-weight:600;font-size:.9rem;margin-bottom:6px;display:block;color:#111}.full-width-select,.input-with-icon{width:100%;border-radius:4px;border:1px solid #ccc;background:#fff}.full-width-select{padding:8px 10px;font-size:.95rem;color:#333;cursor:pointer}.input-with-icon{display:flex;align-items:stretch;overflow:hidden}.icon-wrapper{background:#f9f9f9;padding:0 10px;display:flex;align-items:center;justify-content:center;border-right:1px solid #ccc;color:#666}.input-with-icon input{border:none;padding:8px 10px;width:100%;outline:none;font-size:.95rem}.error-border{border:2px solid #ff4444!important;box-shadow:0 0 5px #ff444480}.submit-btn{width:100%;padding:15px;background-color:#3b7dd8;color:#fff;border:none;border-radius:4px;font-size:1rem;font-weight:600;cursor:pointer;margin-top:15px;transition:background .3s}.submit-btn:hover{background-color:#326a96}.links{margin-top:25px;font-size:.9rem;display:flex;flex-direction:column;gap:15px;align-items:flex-start;color:#000;font-weight:500}.links a{color:#1a5683;text-decoration:none;font-weight:700}.links a:hover{text-decoration:underline;color:#1a5683}.bottom-row{display:flex;justify-content:space-between;align-items:center;width:100%;margin-top:5px}.checkbox-label{display:flex;align-items:center;cursor:pointer;font-weight:500;color:#000}.checkbox-label input{margin-right:8px;width:14px;height:14px;cursor:pointer}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000e6;display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal-content{background-color:#0a0a0a;color:#fff;padding:40px;border:2px solid #ff4444;border-radius:20px;text-align:center;box-shadow:0 0 50px #ff44444d;width:95%;max-width:850px;height:auto;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column}.modal-content h3{font-size:2.2rem;color:#f44;margin-bottom:20px;text-transform:uppercase;letter-spacing:1px;font-weight:800}.modal-info-section{margin-bottom:30px;line-height:1.6}.modal-text{font-size:1.1rem;color:#eee;margin-bottom:15px}.github-info{font-size:.95rem;color:#bbb;margin-bottom:20px}.github-link{color:#4af;text-decoration:none;font-weight:600;border-bottom:1px solid transparent;transition:all .2s}.github-link:hover{color:#8cf;border-bottom:1px solid #88ccff}.security-guarantee{background:#ffffff0d;padding:20px;border-radius:12px;border-left:5px solid #00c851;text-align:left;margin:20px 0}.security-guarantee h4{color:#00c851;margin-bottom:10px;font-size:1.2rem}.security-guarantee p{font-size:.95rem;color:#ddd}.education-section{text-align:left;margin-bottom:30px}.education-section h4{color:#fb3;font-size:1.3rem;margin-bottom:15px}.edu-list{list-style:none;padding-left:0}.edu-list li{position:relative;padding-left:25px;margin-bottom:12px;font-size:.95rem;color:#ccc;line-height:1.5}.edu-list li:before{content:"→";position:absolute;left:0;color:#fb3;font-weight:700}.modal-divider{border:none;border-top:1px solid #333;margin:20px 0;width:100%}.age-selection-section{margin-bottom:25px}.section-title{color:#fff;font-size:1.1rem;font-weight:600;margin-bottom:15px}.modal-select{width:100%;max-width:400px;padding:12px 15px;background-color:#000;color:#fff;border:2px solid #444;border-radius:8px;font-size:1.05rem;font-weight:500;cursor:pointer;outline:none;transition:all .3s;appearance:none;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23ffffff%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-13%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2013l128%20128c3.6%203.6%207.8%205.4%2013%205.4s9.3-1.8%2013-5.4l128-128c3.5-3.6%205.4-7.8%205.4-13%200-5-3.5-9.3-5.4-13z%22%2F%3E%3C%2Fsvg%3E);background-repeat:no-repeat;background-position:right 15px top 50%;background-size:12px auto}.modal-select option{background-color:#000;color:#fff}.modal-select:focus{border-color:#f44;box-shadow:0 0 10px #f443}.agreement-wrapper{margin:20px 0 30px}.checkbox-container{display:flex;align-items:center;justify-content:center;gap:12px;font-size:1.1rem;color:#f44;cursor:pointer}.checkbox-container input{width:22px;height:22px;accent-color:#ff4444}.modal-footer{margin-top:auto}.small-note{font-size:.85rem;color:#888;margin-bottom:15px}.close-btn{background-color:#f44;color:#fff;border:none;padding:16px 50px;border-radius:10px;cursor:pointer;font-weight:800;font-size:1.1rem;text-transform:uppercase;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #f446}.close-btn:hover:not(:disabled){background-color:#c00;transform:translateY(-2px);box-shadow:0 6px 20px #f449}.close-btn:disabled{background-color:#222;color:#555;cursor:not-allowed;box-shadow:none}@media(max-width:600px){.login-card{padding:25px 15px;width:95%}.modal-content{padding:30px 20px}.modal-content h3{font-size:1.6rem}.security-guarantee,.education-section{padding:15px}.close-btn{width:100%;padding:15px}}