:root{--bg: #0a0a0f;--surface: #13131e;--surface2: #1c1c2e;--border: #2a2a3d;--accent: #6c63ff;--accent2: #00d4aa;--text: #e8e8f0;--muted: #8888aa;--danger: #ff4d6d;--success: #00d4aa;--font: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,sans-serif;min-height:100vh}code,pre,.mono{font-family:var(--font)}.App{max-width:1000px;margin:0 auto;padding:2rem 1.5rem}header{text-align:center;margin-bottom:3rem}header h1{font-size:2.2rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}header p{color:var(--muted);font-size:1.05rem}.tabs{display:flex;gap:.5rem;margin-bottom:2rem;border-bottom:1px solid var(--border);padding-bottom:0}.tab-btn{padding:.6rem 1.4rem;border:none;background:transparent;color:var(--muted);cursor:pointer;font-size:.95rem;border-bottom:2px solid transparent;transition:all .15s;margin-bottom:-1px}.tab-btn:hover{color:var(--text)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.75rem;margin-bottom:1.5rem}.card h2{font-size:1.1rem;margin-bottom:1rem;color:var(--accent2)}.card p.desc{color:var(--muted);font-size:.9rem;margin-bottom:1.2rem;line-height:1.6}textarea,input[type=text]{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font);font-size:.9rem;padding:.75rem 1rem;resize:vertical;outline:none;transition:border-color .15s}textarea:focus,input[type=text]:focus{border-color:var(--accent)}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.6rem 1.4rem;border-radius:8px;border:none;cursor:pointer;font-size:.9rem;font-weight:600;transition:opacity .15s;margin-top:.75rem}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){opacity:.85}.result-box{margin-top:1.25rem;background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:1rem;overflow-x:auto}.result-box pre{white-space:pre-wrap;word-break:break-all;font-size:.82rem;line-height:1.6}.label{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.4rem;margin-top:1rem;display:block}.badge{display:inline-block;padding:.2rem .6rem;border-radius:4px;font-size:.78rem;font-weight:600;font-family:var(--font)}.badge-ok{background:#00d4aa26;color:var(--success)}.badge-err{background:#ff4d6d26;color:var(--danger)}.badge-info{background:#6c63ff26;color:var(--accent)}.row{display:flex;gap:1rem;align-items:flex-start}.grow{flex:1}.drop-zone{border:2px dashed var(--border);border-radius:10px;padding:2.5rem 1.5rem;text-align:center;color:var(--muted);cursor:pointer;transition:all .2s;background:var(--surface2)}.drop-zone.active{border-color:var(--accent);color:var(--text);background:#6c63ff0d}.drop-zone:hover{border-color:var(--accent)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}footer{text-align:center;color:var(--muted);font-size:.82rem;margin-top:4rem;padding-top:2rem;border-top:1px solid var(--border)}footer a{color:var(--accent);text-decoration:none}footer a:hover{text-decoration:underline}