:root{--bg-color: #0f172a;--text-color: #e2e8f0;--primary-color: #3b82f6;--primary-hover: #2563eb;--secondary-color: #1e293b;--accent-color: #8b5cf6;--success-color: #10b981;--error-color: #ef4444;--glass-bg: rgba(30, 41, 59, .7);--glass-border: rgba(255, 255, 255, .1);--radius: 12px;--font-family: "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);line-height:1.6;min-height:100vh;display:flex;flex-direction:column}#root{display:flex;flex-direction:column;min-height:100vh}header{padding:2rem;text-align:center;background:radial-gradient(circle at top,#1e293b 0%,transparent 70%)}header h1{font-size:3rem;font-weight:800;background:linear-gradient(to right,var(--primary-color),var(--accent-color));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem;letter-spacing:-.05em}header p{color:#94a3b8;font-size:1.1rem}main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem;width:100%;max-width:800px;margin:0 auto}.card{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:var(--radius);padding:3rem;width:100%;box-shadow:0 25px 50px -12px #00000080;transition:transform .3s ease}.card:hover{transform:translateY(-2px)}.input-group{display:flex;gap:1rem;margin-bottom:1.5rem}input[type=text]{flex:1;background:#0f172a99;border:1px solid var(--glass-border);border-radius:var(--radius);padding:1rem 1.5rem;color:var(--text-color);font-size:1.1rem;transition:all .3s ease}input[type=text]:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #3b82f633}button{background:linear-gradient(135deg,var(--primary-color),var(--accent-color));color:#fff;border:none;border-radius:var(--radius);padding:1rem 2rem;font-size:1.1rem;font-weight:600;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;gap:.5rem}button:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 10px 15px -3px #3b82f64d}button:disabled{opacity:.7;cursor:not-allowed}.result{margin-top:2rem;padding:1.5rem;border-radius:var(--radius);background:#10b9811a;border:1px solid rgba(16,185,129,.2);text-align:center;animation:fadeIn .5s ease}.result p{color:var(--success-color);font-weight:600;margin-bottom:1rem}.download-btn{display:inline-block;background:var(--success-color);color:#fff;text-decoration:none;padding:.75rem 1.5rem;border-radius:var(--radius);font-weight:600;transition:all .2s ease}.download-btn:hover{background:#059669;transform:translateY(-1px)}footer{padding:2rem;text-align:center;color:#64748b;font-size:.9rem}.loader{display:none;width:24px;height:24px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite}.htmx-request .loader{display:inline-block}.htmx-request button{opacity:.7;pointer-events:none;cursor:wait}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.2);color:var(--error-color);padding:1rem;border-radius:var(--radius);margin-top:1rem;text-align:center}