:root{--bg:#0f1724;--page:#f8fafc;--card:#ffffff;--muted:#64748b;--text:#0f172a;--primary:#06b6d4;--primary-600:#0891b2;--danger:#ef4444;--glass: rgba(15,23,42,.04);--radius:14px;--shadow: 0 8px 30px rgba(2,6,23,.08);--mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Courier New", monospace}*{box-sizing:border-box}html,body{height:100%}body{margin:0;background:linear-gradient(180deg,var(--bg) 0%,rgba(15,23,36,.6) 40%),var(--page);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;-webkit-font-smoothing:antialiased;color:var(--text);padding:40px 24px}.app{max-width:1000px;margin:0 auto}header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:18px}header h1{margin:0;font-size:20px;letter-spacing:-.2px}.muted{color:var(--muted);margin:0;font-size:13px}.controls{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);border:1px solid var(--glass)}.modes{display:flex;gap:10px;margin-bottom:14px}.modes button{padding:8px 12px;border-radius:10px;border:none;background:transparent;color:var(--muted);cursor:pointer;transition:all .16s ease}.modes button.active{background:linear-gradient(90deg,var(--primary),var(--primary-600));color:#fff;box-shadow:0 6px 18px #06b6d42e}.modes button:focus{outline:2px solid rgba(6,182,212,.12);outline-offset:3px}.row{display:flex;gap:12px;margin-bottom:14px}.row>div{flex:1}label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px}input,select,textarea,button{font-family:inherit}input[type=text],input[type=datetime-local],select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #e6eef6;background:transparent;transition:box-shadow .12s ease,border-color .12s ease,transform .12s ease}input[type=datetime-local]{padding:8px}input:focus,select:focus,textarea:focus{box-shadow:0 6px 20px #06b6d414;border-color:var(--primary-600);outline:none}.inputArea textarea{width:100%;min-height:120px;padding:12px;border-radius:10px;border:1px solid #e6eef6;resize:vertical;font-size:14px;line-height:1.5}.datetimeRow{display:flex;gap:12px;margin-bottom:10px}.resultArea{margin-top:16px}.singleResult{display:grid;gap:8px;align-items:center}.singleResult code{font-family:var(--mono);background:#f1f5f9;padding:4px 8px;border-radius:6px}button{padding:8px 10px;border-radius:10px;border:1px solid transparent;background:linear-gradient(90deg,#fff,#fff);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}button:hover{transform:translateY(-2px)}button.primary{background:linear-gradient(90deg,var(--primary),var(--primary-600));color:#fff;border-color:#0000000a;box-shadow:0 8px 20px #06b6d41f}button.ghost{background:transparent;color:var(--primary)}button:active{transform:translateY(0)}button:disabled{opacity:.6;cursor:not-allowed}.error{color:var(--danger);background:#ef44440f;padding:10px;border-radius:8px;margin-top:10px;border:1px solid rgba(239,68,68,.12)}.resultsList{border-top:1px solid #f1f5f9;padding-top:10px}.resultsList .row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed #f1f7fb}.resultsList .raw{flex:1;color:var(--text);font-size:14px}.resultsList .val{min-width:240px;text-align:right}.errorRow{background:linear-gradient(90deg,rgba(239,68,68,.04),transparent)}.errorText{color:var(--danger)}.snackbar{position:fixed;right:20px;bottom:20px;background:linear-gradient(90deg,var(--primary),var(--primary-600));color:#fff;padding:10px 14px;border-radius:10px;box-shadow:0 10px 24px #06b6d433}pre{background:#0f1724;color:#e6eef6;padding:12px;border-radius:8px;font-family:var(--mono);overflow:auto}@media (max-width:720px){.row{flex-direction:column}header{flex-direction:column;align-items:flex-start}}@media (prefers-color-scheme: dark){:root{--page:#071124;--card:#071424;--muted:#94a3b8;--text:#e6eef6;--glass: rgba(255,255,255,.03)}body{background:linear-gradient(180deg,#030617,#02061799 40%),var(--page)}input,select,textarea{border-color:#0b1220;background:transparent}pre{background:#071124}}