:root{font-family:system-ui,sans-serif;color:#172033;background:radial-gradient(circle at top left,rgba(255,206,166,.9),transparent 30%),radial-gradient(circle at right,rgba(127,182,255,.45),transparent 28%),linear-gradient(135deg,#f7f1e8,#eef4fb 55%,#fdfdfd);line-height:1.5;font-weight:400}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input{font:inherit}code{font-family:SFMono-Regular,Consolas,monospace}.app-shell{width:min(1120px,calc(100vw - 32px));margin:0 auto;padding:48px 0 56px}.hero{margin-bottom:28px}.eyebrow{margin:0 0 8px;font-size:.78rem;font-weight:700;letter-spacing:.22em;color:#a64b1c}.hero h1{margin:0;font-size:clamp(2rem,5vw,4rem);line-height:1.02}.hero-copy{max-width:760px;margin:16px 0 0;font-size:1.05rem}.mode-tabs{display:flex;gap:8px;margin-bottom:20px}.tab-btn{padding:10px 28px;border:2px solid rgba(23,32,51,.15);border-radius:999px;background:#ffffffa6;color:#172033;font-size:.95rem;font-weight:700;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease,transform .18s ease}.tab-btn.active{background:#172033;color:#fff;border-color:#172033}.tab-btn:hover:not(.active){border-color:#172033;transform:translateY(-1px)}.workspace{display:grid;grid-template-columns:360px minmax(0,1fr);gap:20px}.panel{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#ffffffad;border:1px solid rgba(23,32,51,.08);border-radius:28px;box-shadow:0 18px 50px #1720331f}.controls{padding:20px}.dropzone{display:flex;min-height:280px;padding:24px;border:2px dashed rgba(23,32,51,.18);border-radius:24px;align-items:center;justify-content:center;flex-direction:column;gap:8px;text-align:center;cursor:pointer;transition:transform .18s ease,border-color .18s ease,background-color .18s ease}.dropzone:hover,.dropzone.dragging{transform:translateY(-2px);border-color:#a64b1c;background:#fff8f0e0}.dropzone input{display:none}.dropzone-title{font-size:1.2rem;font-weight:700}.dropzone-subtitle{color:#526079}.actions{display:flex;gap:12px;margin-top:16px}.actions button{flex:1;border:0;border-radius:999px;padding:14px 18px;font-weight:700;cursor:pointer;transition:transform .18s ease,opacity .18s ease}#convert-button{background:#172033;color:#fff}#download-button{background:#d9822b;color:#fff}#generate-button{background:#1a6b52;color:#fff}.actions button:hover{transform:translateY(-1px)}.actions button:disabled{opacity:.45;cursor:not-allowed;transform:none}.meta{margin:18px 0 0;display:grid;gap:14px}.meta div{padding-top:14px;border-top:1px solid rgba(23,32,51,.1)}.meta dt{font-size:.82rem;color:#526079}.meta dd{margin:4px 0 0;font-weight:700}.output{padding:20px;min-height:560px}.output-header h2{margin:0}.output-header p{margin:6px 0 0;color:#526079}#json-output{overflow:auto;margin:18px 0 0;min-height:460px;max-height:70vh;padding:20px;border-radius:22px;background:#101722;color:#d6e6ff;font-size:.92rem}@media(max-width:900px){.app-shell{width:min(100vw - 20px,1120px);padding-top:24px}.workspace{grid-template-columns:1fr}.output{min-height:0}#json-output{min-height:360px;max-height:none}}