:root{--primary:#3b82f6;--primary-light:#60a5fa;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--bg-color:#f8fafc;--text-color:#374151;--text-light:#6b7280;--radius:8px;--gray-200:#e5e7eb}
*{margin:0;padding:0;box-sizing:border-box;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
body,html{height:100%;min-height:100vh;width:100%;overflow-x:hidden}
::-webkit-scrollbar{width:0;background:0 0}
::-webkit-scrollbar-thumb{background:0 0}
html{scrollbar-width:none}
body{background-color:var(--bg-color);color:var(--text-color);line-height:1.6;padding:0;display:flex;flex-direction:column;justify-content:center;align-items:center;min-height:100vh}
.fullscreen-content{width:100%;max-width:600px;padding:0 20px}
@media (min-width:1024px){.fullscreen-content{max-width:600px}
}
header{text-align:center;margin-bottom:40px}
.title{font-size:3rem;font-weight:700;color:var(--primary);margin-bottom:15px;line-height:1.2}
.subtitle{font-size:1.2rem;color:var(--text-light);opacity:.8;margin-bottom:10px}
main{width:100%}
.download-section{width:100%;max-width:600px;margin:0 auto}
.section-header{text-align:center;margin-bottom:30px}
.section-header h2{font-size:2rem;font-weight:600;color:var(--text-color);margin-bottom:10px}
.form-group{margin-bottom:25px;display:block}
label{display:block;margin-bottom:8px;font-weight:500;color:var(--text-color);font-size:1rem}
.form-control{width:100%;height:60px;padding:0 20px;border:2px solid var(--primary-light);border-radius:var(--radius);font-size:1.1rem;transition:all .3s ease;background:rgba(255,255,255,.9)}
.form-control:focus{border-color:var(--primary);outline:0;box-shadow:0 0 15px rgba(59,130,246,.2)}
.btn{width:100%;height:60px;background:var(--primary);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:1.1rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:10px;transition:all .3s ease;margin:20px 0 30px;text-decoration:none}
.btn:hover:not(:disabled){background:var(--primary-light);transform:translateY(-2px);box-shadow:0 8px 15px rgba(59,130,246,.2)}
.btn:active:not(:disabled){transform:translateY(0)}
.btn-secondary{background:#6b7280}
.btn-secondary:hover{background:#4b5563}
.btn-success{background:var(--success)}
.btn-success:hover{background:#059669}
.btn:disabled{background:#cbd5e1;color:#9ca3af;cursor:not-allowed;transform:none;box-shadow:none}
.files-grid{display:flex;flex-direction:column;gap:20px;margin-bottom:30px}
.file-card{background:rgba(255,255,255,.9);padding:25px;border-radius:var(--radius);border:2px solid var(--primary-light);box-shadow:0 2px 8px rgba(0,0,0,.1);transition:all .3s ease}
.file-card:hover{border-color:var(--primary);background:rgba(255,255,255,.95);box-shadow:0 4px 15px rgba(59,130,246,.2);transform:translateY(-2px)}
.file-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:15px;flex-wrap:wrap;gap:15px}
.file-name{font-size:1.2rem;font-weight:600;color:var(--text-color);flex:1;min-width:0;line-height:1.4;word-wrap:break-word}
.file-version{background:var(--primary);color:#fff;padding:6px 14px;border-radius:20px;font-size:.875rem;font-weight:500;white-space:nowrap;flex-shrink:0}
.file-description{color:var(--text-light);font-size:.95rem;line-height:1.5;margin-bottom:15px}
.file-meta{display:flex;align-items:center;gap:15px;margin-bottom:15px;flex-wrap:wrap}
.meta-item{display:flex;align-items:center;gap:6px;font-size:.875rem;color:var(--text-light)}
.actions{text-align:center;margin-top:30px}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-light)}
.empty-state p{font-size:1.1rem}
@media (max-width:768px){.title{font-size:2.5rem}
.subtitle{font-size:1rem}
.btn,.form-control{height:55px;font-size:1rem}
.file-header{flex-direction:column;align-items:flex-start;gap:12px}
.file-meta{gap:10px;flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){.fullscreen-content{padding:0 15px}
.title{font-size:2rem}
.subtitle{font-size:1rem}
.section-header h2{font-size:1.5rem}
.btn,.form-control{height:50px}
header{margin-bottom:30px}
}
.result-container{margin-bottom:30px;animation:fadeIn .5s ease-out}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}
to{opacity:1;transform:translateY(0)}
}
.alert{padding:20px;border-radius:var(--radius);font-size:1.1rem;margin-bottom:30px;display:flex;align-items:center;gap:12px}
.alert-success{background:rgba(16,185,129,.1);border:1px solid var(--success);color:var(--success)}
.alert-danger{background:rgba(239,68,68,.1);border:1px solid var(--danger);color:var(--danger)}
.alert i{font-size:1.5rem}