:root{--color-primary: #00294d;--color-primary-dark: #1D4ED8;--color-secondary: #6B7280;--color-secondary-light: #9CA3AF;--color-text: #00294d;--color-text-secondary: #6B7280;--color-background: #F9FAFB;--color-surface: #FFFFFF;--color-error: #EF4444;--space-1: .5rem;--space-2: 1rem;--space-3: 1.5rem;--space-4: 2rem;--font-family: "Inter", system-ui, -apple-system, sans-serif;--line-height-body: 1.5;--line-height-heading: 1.2}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-family);line-height:var(--line-height-body);color:var(--color-text);background-color:var(--color-background);min-height:100vh;display:flex;justify-content:center;align-items:center}.container{width:100%;max-width:800px;margin:0 auto;padding:var(--space-4)}.welcome-card{background-color:var(--color-surface);border-radius:12px;box-shadow:0 4px 6px #0000000d;padding:var(--space-2);display:flex;flex-direction:column;align-items:center;gap:var(--space-2);text-align:center}.logo-container{width:120px;height:120px;display:flex;align-items:center;justify-content:center;margin-bottom:var(--space-2)}.logo{width:100%;height:auto}h1{font-size:2rem;font-weight:700;color:var(--color-text);line-height:var(--line-height-heading)}.description{color:var(--color-text-secondary);font-size:1rem;max-width:600px}.buttons-container{display:flex;gap:var(--space-2);margin-top:var(--space-2);flex-wrap:wrap;justify-content:center}.btn{font-family:var(--font-family);font-size:1rem;font-weight:500;padding:var(--space-1) var(--space-3);border-radius:6px;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;min-width:150px;border:none}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover{background-color:var(--color-primary-dark);transform:translateY(-2px)}.btn-secondary{background-color:transparent;color:var(--color-primary);border:1px solid var(--color-primary)}.btn-secondary:hover{background-color:#2563eb0d;transform:translateY(-2px)}.badge-button{position:fixed;bottom:var(--space-3);right:var(--space-3);width:48px;height:48px;border-radius:50%;background-color:var(--color-primary);box-shadow:0 4px 6px #0000001a;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;border:none}.badge-button:hover{transform:scale(1.05);background-color:var(--color-primary-dark)}.badge-icon{width:24px;height:24px;stroke:#fff}.privacy-info{font-size:.875rem;color:var(--color-text-secondary);max-width:600px}.link{color:var(--color-primary);text-decoration:none;font-weight:500;cursor:pointer}.link:hover{text-decoration:underline}.privacy-info img{transition-duration:.3s}.privacy-info img:hover{transform:scale(1.1)}.challenges-container{display:flex;padding-bottom:10px}.challenge-block{display:flex;flex-direction:column;align-items:center;margin:10px;cursor:pointer}.challenge-block.disabled{filter:grayscale(1);opacity:.2;cursor:not-allowed!important}.challenge-block.disabled *{transform:none!important;cursor:not-allowed!important}.challenge-block button{margin-top:10px}.challenge-block:has(a){margin-bottom:10px}.challenge-block a{color:var(--color-primary);text-decoration:none;margin-top:5px}.challenge-block a:after{display:inline-flex;content:"";background-image:url(/external.svg);width:12px;height:12px;background-repeat:no-repeat;background-position:center;padding:5px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}.modal-overlay.active{opacity:1;visibility:visible}.modal{background-color:var(--color-surface);border-radius:12px;padding:var(--space-4);width:100%;max-width:450px;box-shadow:0 10px 25px #0000001a;transform:translateY(20px);transition:transform .3s ease}.modal-overlay.active .modal{transform:translateY(0)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-3)}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-secondary);transition:color .2s ease}.modal-close:hover{color:var(--color-error)}.modal-body{margin-bottom:var(--space-3)}.form-group{margin-bottom:var(--space-2)}.form-label{display:block;margin-bottom:var(--space-1);font-weight:500;color:var(--color-text)}.form-input{width:100%;padding:var(--space-1);border:1px solid var(--color-secondary-light);border-radius:4px;font-family:var(--font-family);font-size:1rem;transition:border-color .2s ease}.form-input:focus{outline:none;border-color:var(--color-primary)}.modal-footer{display:flex;justify-content:flex-end;gap:var(--space-2)}@media (max-width: 640px){.container{padding:var(--space-2)}.welcome-card{padding:var(--space-3)}.buttons-container{flex-direction:column;width:100%}.btn{width:100%}h1{font-size:1.75rem}}.challenge-container{text-align:center;padding:var(--space-4)}.back-link{display:inline-block;margin-bottom:var(--space-3)}@media (max-width: 768px){.challenges-container{flex-wrap:wrap;justify-content:center}.modal-footer{justify-content:center}}