:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;color:#1e293b;background-color:#f8fafc;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;justify-content:center;align-items:center;min-width:320px;min-height:100vh;background-color:#f8fafc}#root{width:100%;max-width:1200px;margin:0 auto;padding:1rem;text-align:center}.app{display:flex;flex-direction:column;align-items:center;width:100%}.header{position:fixed;top:0;left:0;right:0;padding:.75rem 2rem;display:flex;justify-content:space-between;align-items:center;background-color:#ffffffd9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);z-index:100;border-bottom:1px solid rgba(226,232,240,.8);box-shadow:0 1px 2px #0000000d}.header-left{display:flex;align-items:center;gap:.75rem}.header-logo{height:40px;width:auto}.header-title{font-size:1.5rem;font-weight:800;color:#0f172a;letter-spacing:-.025em}.user-menu{display:flex;align-items:center;gap:1rem}.user-name{font-size:.875rem;font-weight:600;color:#475569}.sign-in-button{background-color:transparent;color:#2563eb;border:1.5px solid #2563eb;padding:.5rem 1.25rem;border-radius:9999px;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);font-size:.875rem}.sign-in-button:hover{background-color:#2563eb;color:#fff;box-shadow:0 4px 6px -1px #2563eb33,0 2px 4px -1px #2563eb1a;transform:translateY(-1px)}.main-content{display:flex;flex-direction:column;align-items:center;gap:2rem;padding-top:6rem;width:100%}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#0f172a80;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background-color:#fff;padding:2.5rem;border-radius:16px;width:90%;max-width:420px;position:relative;box-shadow:0 25px 50px -12px #00000040;border:1px solid #e2e8f0}.modal-close{position:absolute;top:1.25rem;right:1.25rem;background:#f1f5f9;border:none;color:#64748b;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;cursor:pointer;transition:all .2s}.modal-close:hover{background:#e2e8f0;color:#0f172a}.sign-in-form{display:flex;flex-direction:column;gap:1.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem;text-align:left}.form-group label{font-size:.875rem;font-weight:500;color:#475569}.form-group input{background-color:#fff;border:1px solid #cbd5e1;padding:.75rem 1rem;border-radius:10px;color:#0f172a;font-size:1rem;transition:all .2s;box-shadow:0 1px 2px #0000000d}.form-group input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f633}.submit-button{background-color:#2563eb;color:#fff;border:none;padding:.875rem;border-radius:10px;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);margin-top:.5rem;font-size:1rem;box-shadow:0 4px 6px -1px #2563eb33,0 2px 4px -1px #2563eb1a}.submit-button:hover{background-color:#1d4ed8;transform:translateY(-1px);box-shadow:0 6px 8px -1px #2563eb40,0 4px 6px -1px #2563eb26}.auth-footer{margin-top:1.5rem;font-size:.875rem;color:#64748b}.auth-link{color:#2563eb;background:none;border:none;padding:0;font:inherit;font-weight:600;cursor:pointer;text-decoration:underline;margin-left:.25rem}.auth-link:hover{color:#1d4ed8}.register-form{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.register-form .form-group.full-width,.register-form .submit-button{grid-column:span 2}p{font-size:1.125rem;color:#64748b;margin-top:2rem;margin-bottom:1rem;max-width:600px;font-weight:400;line-height:1.6}.igc-uploader{background-color:#fff;padding:3rem 2rem;border-radius:16px;box-shadow:0 10px 15px -3px #0000001a,0 4px 6px -2px #0000000d;display:flex;flex-direction:column;gap:2rem;width:100%;max-width:500px;border:2px dashed #cbd5e1;transition:all .3s ease}.igc-uploader:hover{border-color:#3b82f6;background-color:#f8fafc}.igc-uploader label{font-size:1.125rem;font-weight:600;color:#1e293b}.igc-uploader input[type=file]{background-color:#f1f5f9;padding:1.5rem;border-radius:12px;color:#475569;cursor:pointer;border:1px dashed #cbd5e1}.error-message{color:#dc2626;background-color:#fef2f2;padding:.875rem;border-radius:10px;font-size:.875rem;margin:0;border:1px solid #fecaca;display:flex;align-items:center;gap:.5rem}.igc-uploader button{background-color:#2563eb;color:#fff;padding:1rem 2rem;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 6px -1px #2563eb33,0 2px 4px -1px #2563eb1a}.igc-uploader button:hover{background-color:#1d4ed8;transform:translateY(-1px);box-shadow:0 6px 8px -1px #2563eb40,0 4px 6px -1px #2563eb26}.claim-button{background-color:#fff;color:#334155;border:1px solid #cbd5e1;padding:.875rem 1.5rem;border-radius:10px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s ease;margin-top:1rem;box-shadow:0 1px 2px #0000000d}.claim-button:not(.disabled):hover{background-color:#f8fafc;border-color:#94a3b8;color:#0f172a}.claim-button.disabled{opacity:.5;cursor:not-allowed;filter:grayscale(1)}@media(max-width:600px){.header-title{font-size:1.25rem}.header-logo{height:32px}p{font-size:1rem}.igc-uploader{padding:2rem 1.5rem}}