*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #0f1117;--color-surface: #1a1d27;--color-border: #2a2d3a;--color-primary: #4f8ef7;--color-primary-hover: #3a7ae8;--color-accent: #7c5cfc;--color-text: #e2e8f0;--color-muted: #8892a4;--color-check: #34d399;--color-error: #ff6b6b;--color-error-bg: #2a1520;--color-success: #34d399;--font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;--radius: 12px;--shadow: 0 4px 24px rgba(0, 0, 0, .35)}html{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.6;-webkit-font-smoothing:antialiased}body{min-height:100vh}#root{min-height:100vh;display:flex;flex-direction:column}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:var(--font-sans)}.header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.header-inner{max-width:860px;margin:0 auto;padding:0 1.5rem;height:56px;display:flex;align-items:center;justify-content:space-between}.logo{font-size:1.35rem;font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:-.5px}.logo:hover{text-decoration:none}.logo-accent{color:var(--color-primary)}.nav{display:flex;align-items:center;gap:1.5rem}.nav-link{font-size:.9rem;font-weight:500;color:var(--color-muted);transition:color .15s;text-decoration:none}.nav-link:hover{color:var(--color-text);text-decoration:none}.dropdown{position:relative}.dropbtn{background:none;border:none;color:var(--color-muted);font-size:.9rem;font-weight:600;padding:0;cursor:pointer;transition:color .15s}.dropbtn:hover,.dropbtn.open{color:var(--color-text)}.dropdown-content{position:absolute;right:0;top:calc(100% + 6px);background:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;box-shadow:var(--shadow);min-width:180px;overflow:hidden;z-index:200}.dropdown-content a{display:block;padding:.6rem 1rem;font-size:.875rem;color:var(--color-muted);text-decoration:none;transition:background .12s,color .12s}.dropdown-content a:hover{background:#4f8ef714;color:var(--color-text);text-decoration:none}.dropdown-content a.active{color:var(--color-primary)}.footer{background:var(--color-surface);border-top:1px solid var(--color-border);padding:1.5rem 0;text-align:center;margin-top:auto}.footer-inner{max-width:860px;margin:0 auto;padding:0 1.5rem}.footer p{font-size:.85rem;color:var(--color-muted)}.formatter-section{flex:1;padding:2.5rem 0 3rem}.container{max-width:860px;margin:0 auto;padding:0 1.5rem}.hero{text-align:center;margin-bottom:2rem}.tool-icon{display:inline-flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:var(--radius);background:linear-gradient(135deg,var(--color-primary),var(--color-accent));font-size:1.6rem;font-weight:800;color:#fff;margin-bottom:1rem;box-shadow:var(--shadow)}.hero-title{font-size:2rem;font-weight:700;background:linear-gradient(135deg,var(--color-text),var(--color-primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:.5rem}.hero-subtitle{color:var(--color-muted);font-size:1rem;max-width:560px;margin:0 auto}.hero-subtitle strong{color:var(--color-text)}.instructions-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:1.25rem 1.5rem;margin-bottom:1.75rem}.instructions-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--color-muted);margin-bottom:.75rem}.instructions-list{padding-left:1.25rem;color:var(--color-muted);font-size:.9rem;display:flex;flex-direction:column;gap:.35rem}.instructions-list li{line-height:1.5}.instructions-list strong{color:var(--color-text)}kbd{display:inline-block;padding:.1em .45em;font-size:.8em;font-family:var(--font-sans);background:#ffffff12;border:1px solid var(--color-border);border-radius:4px;color:var(--color-text)}.panels{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem}.panel{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:.65rem 1rem;border-bottom:1px solid var(--color-border);background:#ffffff05}.panel-label{font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.07em;color:var(--color-muted)}.json-textarea{flex:1;width:100%;min-height:340px;padding:1rem;background:transparent;border:none;border-bottom:1px solid var(--color-border);color:var(--color-text);font-family:Consolas,Fira Code,Cascadia Code,monospace;font-size:.875rem;line-height:1.55;resize:vertical;outline:none;transition:background .15s}.json-textarea::placeholder{color:var(--color-muted);opacity:.6}.json-textarea:focus{background:#4f8ef70a}.json-textarea.has-error{background:#ff6b6b0d}.error-msg{display:flex;align-items:flex-start;gap:.5rem;padding:.65rem 1rem;background:var(--color-error-bg);border-bottom:1px solid rgba(255,107,107,.25);color:var(--color-error);font-size:.85rem;line-height:1.5;word-break:break-word}.error-icon{flex-shrink:0;font-size:1em;margin-top:1px}.panel-actions{padding:.75rem 1rem;display:flex;justify-content:flex-end}.json-output{flex:1;padding:1rem;margin:0;min-height:340px;font-family:Consolas,Fira Code,Cascadia Code,monospace;font-size:.875rem;line-height:1.55;color:var(--color-text);white-space:pre-wrap;word-break:break-all;overflow-y:auto}.json-output.empty{color:var(--color-muted);opacity:.5}.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.45rem 1rem;border-radius:6px;border:1px solid transparent;font-size:.875rem;font-weight:600;transition:background .15s,color .15s,border-color .15s;white-space:nowrap}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:not(:disabled):hover{background:var(--color-primary-hover)}.btn-ghost{background:transparent;color:var(--color-muted);border-color:var(--color-border)}.btn-ghost:not(:disabled):hover{color:var(--color-text);border-color:var(--color-muted)}.btn-ghost.copied{color:var(--color-check);border-color:var(--color-check)}@media(max-width:720px){.panels{grid-template-columns:1fr}.hero-title{font-size:1.5rem}}@media(max-width:480px){.formatter-section{padding:1.5rem 0 2rem}.json-textarea,.json-output{min-height:260px}}.aboutus-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000b3;z-index:10000;display:flex;align-items:center;justify-content:center}.aboutus-modal-content{position:relative;background:var(--color-surface);border-radius:14px;box-shadow:0 8px 32px #00000073;padding:2.5rem 2.5rem 2rem;max-width:420px;width:95vw;max-height:90vh;overflow-y:auto;display:flex;flex-direction:column;align-items:stretch}.aboutus-modal-content h2{font-size:1.4rem;font-weight:700;color:var(--color-text);margin-bottom:1rem}.aboutus-modal-close{position:absolute;top:1.2rem;right:1.2rem;background:none;border:none;color:#888;font-size:2rem;cursor:pointer;z-index:2;padding:0;line-height:1;transition:color .2s}.aboutus-modal-close:hover{color:var(--color-primary)}.aboutus-section{margin-bottom:1.2rem;color:var(--color-text);font-size:1rem;line-height:1.7}.contactus-section h3{margin-bottom:.7rem;font-size:1.1rem;color:var(--color-primary)}.contactus-form{display:flex;flex-direction:column;gap:1rem}.contactus-form label{font-size:.97rem;color:var(--color-muted);display:flex;flex-direction:column;gap:.3rem}.contactus-form input[type=email],.contactus-form textarea{font-size:1rem;padding:.6rem .9rem;border:1px solid var(--color-border);border-radius:7px;background:var(--color-bg);color:var(--color-text);margin-top:.2rem;resize:vertical;font-family:var(--font-sans);outline:none;transition:border-color .15s}.contactus-form input[type=email]:focus,.contactus-form textarea:focus{border-color:var(--color-primary)}.contactus-form textarea{min-height:80px;max-height:200px}.contactus-form button[type=submit]{margin-top:.5rem}.contactus-success{color:var(--color-check);margin-top:.5rem;font-size:.97rem}.contactus-error{color:#d32f2f;margin-top:.5rem;font-size:.97rem}
