:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color-scheme:dark;--bg-color: #0f172a;--card-bg: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-primary: #38bdf8;--accent-secondary: #818cf8;--accent-gradient: linear-gradient( 135deg, var(--accent-primary), var(--accent-secondary) );--success-color: #4ade80;--error-color: #f87171;--border-color: #334155;--input-bg: #0f172a;--radius-lg: 1rem;--radius-md: .75rem;--radius-sm: .5rem;--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04)}body{margin:0;min-height:100vh;display:flex;justify-content:center;background-color:var(--bg-color);color:var(--text-primary);background-image:radial-gradient(at 0% 0%,rgba(56,189,248,.15) 0px,transparent 50%),radial-gradient(at 100% 100%,rgba(129,140,248,.15) 0px,transparent 50%);background-attachment:fixed}.app{width:100%;max-width:800px;margin:0 auto;padding:2rem 1.5rem;box-sizing:border-box;display:flex;flex-direction:column;gap:2.5rem}.header{text-align:center;animation:fadeInDown .8s ease-out}.header h1{margin:0;font-size:clamp(2.5rem,5vw,3.5rem);font-weight:800;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em;margin-bottom:.5rem}.subtitle{margin:0 auto;max-width:600px;color:var(--text-secondary);font-size:1.1rem;line-height:1.5}.card{background:var(--card-bg);border-radius:var(--radius-lg);padding:2.5rem;box-shadow:var(--shadow-xl);display:flex;flex-direction:column;gap:2rem;border:1px solid var(--border-color);animation:fadeInUp .8s ease-out .2s backwards}.field{display:flex;flex-direction:column;gap:.75rem}.label{font-weight:600;font-size:1.1rem;color:var(--text-primary);display:flex;align-items:center;gap:.5rem}input[type=file]{padding:1.5rem;border-radius:var(--radius-md);border:2px dashed var(--border-color);background:var(--input-bg);color:var(--text-secondary);cursor:pointer;transition:all .2s ease;text-align:center}input[type=file]:hover,input[type=file]:focus{border-color:var(--accent-primary);background:#38bdf80d}input[type=file]::file-selector-button{display:none}.text-input{padding:.75rem 1rem;border-radius:var(--radius-sm);border:1px solid var(--border-color);background:var(--input-bg);color:var(--text-primary);font-size:1rem;transition:border-color .2s}.text-input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 2px #38bdf833}.control-group{display:flex;flex-direction:column;gap:.5rem;padding:1rem;background:#0f172a80;border-radius:var(--radius-md);border:1px solid var(--border-color)}.control-label{font-size:.95rem;font-weight:500;color:var(--text-secondary)}.radio-group{display:flex;gap:1.5rem;flex-wrap:wrap}.radio-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-weight:500}input[type=radio]{accent-color:var(--accent-primary);width:1.2em;height:1.2em}.primary-button{padding:1rem 2rem;border-radius:999px;border:none;font-weight:700;font-size:1.1rem;cursor:pointer;background:var(--accent-gradient);color:#fff;align-self:flex-start;transition:transform .2s,filter .2s,box-shadow .2s;box-shadow:0 4px 12px #38bdf84d;width:100%}.primary-button:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.1);box-shadow:0 6px 16px #38bdf866}.primary-button:active:not(:disabled){transform:translateY(0)}.primary-button:disabled{opacity:.6;cursor:not-allowed;background:var(--border-color);box-shadow:none}.hint{font-size:.9rem;color:var(--text-secondary);margin:0}.status{padding:1rem;background:#4ade801a;border:1px solid rgba(74,222,128,.2);border-radius:var(--radius-md);color:var(--success-color);font-weight:500;animation:fadeIn .3s ease}.error{padding:1rem;background:#f871711a;border:1px solid rgba(248,113,113,.2);border-radius:var(--radius-md);color:var(--error-color);font-weight:500;animation:fadeIn .3s ease}.info{margin-top:1rem;padding-top:2rem;border-top:1px solid var(--border-color)}.info h2{font-size:1.25rem;margin-bottom:1rem;color:var(--text-primary)}.info ol{padding-left:1.5rem;color:var(--text-secondary)}.info li{margin-bottom:.5rem}.info code{background:#ffffff1a;padding:.2rem .4rem;border-radius:.25rem;font-family:monospace;color:var(--accent-primary)}.footer{margin-top:auto;font-size:.9rem;color:var(--text-secondary);text-align:center;padding-bottom:2rem}.footer a{color:var(--accent-primary);text-decoration:none;font-weight:500;transition:color .2s}.footer a:hover{color:var(--accent-secondary);text-decoration:underline}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@media(max-width:640px){.app{padding:1rem}.card{padding:1.5rem;gap:1.5rem}.header h1{font-size:2.5rem}.primary-button{font-size:1rem}}