:root{--primary:#3b82f6;--primary-hover:#2563eb;--bg-color:#f8fafc;--card-bg:#fff;--text-main:#0f172a;--text-muted:#64748b;--border-color:#e2e8f0;--dropzone-bg:#eff6ff;--dropzone-border:#93c5fd}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--text-main);background:linear-gradient(135deg,#f0f4ff 0%,#e0e7ff 100%);flex-direction:column;align-items:center;min-height:100vh;padding:40px 20px;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;display:flex}.container{text-align:center;width:100%;max-width:800px}.header h1{color:#000;margin-bottom:16px;font-size:2.5rem;font-weight:800}.header p{color:var(--text-muted);max-width:600px;margin:0 auto 40px;font-size:1rem;line-height:1.5}.card{background:var(--card-bg);border-radius:24px;padding:30px;box-shadow:0 10px 40px -10px #00000014}.tabs{justify-content:center;gap:12px;margin-bottom:30px;display:flex}.tab-btn{color:var(--text-muted);cursor:pointer;background:#f1f5f9;border:none;border-radius:20px;padding:10px 24px;font-size:.95rem;font-weight:500;transition:all .2s}.tab-btn:hover{background:#e2e8f0}.tab-btn.active{background:var(--card-bg);color:var(--text-main);box-shadow:0 2px 10px #0000000d}.dropzone{border:2px dashed var(--dropzone-border);background:var(--dropzone-bg);border-radius:20px;flex-direction:column;align-items:center;padding:60px 20px;transition:all .3s;display:flex}.dropzone:hover{background:#e0f2fe}.dropzone-icons{gap:10px;margin-bottom:20px;display:flex}.icon-box{color:#fff;border-radius:12px;justify-content:center;align-items:center;width:48px;height:48px;display:flex}.icon-video{background:#8b5cf6}.icon-audio{background:#10b981}.icon-music{background:#3b82f6}.dropzone h3{margin-bottom:10px;font-size:1.2rem;font-weight:600}.dropzone p{color:var(--text-muted);margin-bottom:24px;font-size:.9rem}.btn-upload{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:24px;align-items:center;gap:8px;padding:12px 32px;font-size:1rem;font-weight:600;transition:background .2s,transform .1s;display:flex}.btn-upload:hover{background:var(--primary-hover)}.btn-upload:active{transform:scale(.98)}.input-container{flex-direction:column;align-items:center;gap:20px;width:100%;max-width:500px;margin:0 auto;display:flex}.input-field{border:2px solid var(--border-color);border-radius:12px;outline:none;width:100%;padding:16px;font-size:1rem;transition:border-color .2s}.input-field:focus{border-color:var(--primary)}.result-box{text-align:left;border:1px solid var(--border-color);background:#f8fafc;border-radius:16px;max-height:400px;margin-top:30px;padding:20px;overflow-y:auto}.result-box h4{color:var(--primary);margin-bottom:10px}.spinner{border:4px solid #0000001a;border-left-color:var(--primary);border-radius:50%;width:36px;height:36px;margin:0 auto 16px;animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:1s linear infinite spin}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.animate-pulse{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}