:root{color:#17202a;background:#eef2f6;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input{font:inherit}.app-shell{min-height:100vh;padding:32px;background:linear-gradient(135deg,rgba(31,111,235,.12),transparent 35%),linear-gradient(315deg,rgba(19,161,122,.14),transparent 40%),#eef2f6;display:flex;align-items:center;justify-content:center}.workspace{width:min(1120px,100%);display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:24px;align-items:stretch}.intro,.upload-panel,.results-panel{background:#ffffffe0;border:1px solid rgba(121,139,162,.28);border-radius:8px;box-shadow:0 24px 70px #1f2c3d1f}.intro{padding:42px;display:flex;flex-direction:column;justify-content:center}.eyebrow{margin:0 0 12px;color:#116a57;font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase}h1,h2,p{margin-top:0}h1{max-width:720px;margin-bottom:18px;font-size:clamp(2.2rem,5vw,4.8rem);line-height:.98;letter-spacing:0}h2{margin-bottom:0;font-size:1.65rem;letter-spacing:0}.subtitle{max-width:620px;margin-bottom:0;color:#52616f;font-size:1.12rem;line-height:1.65}.upload-panel,.results-panel{padding:24px}.upload-panel{display:flex;flex-direction:column;gap:16px}.drop-zone{min-height:238px;border:2px dashed #9badbd;border-radius:8px;background:#f8fafc;color:#233142;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center;cursor:pointer;transition:border-color .18s ease,background .18s ease,transform .18s ease}.drop-zone:hover{border-color:#1f6feb;background:#fff;transform:translateY(-1px)}.drop-zone.is-dragging{border-color:#116a57;background:#effaf6}.drop-zone input{position:absolute;width:1px;height:1px;opacity:0}.drop-zone strong{max-width:100%;overflow-wrap:anywhere;font-size:1.05rem}.drop-zone small{color:#637181}.upload-icon{width:64px;height:64px;border-radius:8px;background:#dff4ed;color:#116a57;display:grid;place-items:center;font-weight:900}.file-list{max-height:172px;overflow:auto;list-style:none;margin:0;padding:0;border:1px solid #dce4ec;border-radius:8px;background:#fff}.file-list li{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:10px 12px;border-bottom:1px solid #edf2f7}.file-list li:last-child{border-bottom:0}.file-list span{min-width:0;overflow-wrap:anywhere;font-weight:750}.file-list small{color:#637181;white-space:nowrap}.primary-button,.ghost-button,.link-button{min-height:44px;border-radius:8px;border:0;display:inline-flex;align-items:center;justify-content:center;padding:0 16px;font-weight:800;text-decoration:none;cursor:pointer;gap:8px;line-height:1.15;text-align:center}.button-icon{position:relative;display:inline-grid;width:20px;height:20px;place-items:center;flex:0 0 auto}.download-icon:before{content:"";width:9px;height:11px;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);margin-top:-4px}.open-icon:before{content:"";width:9px;height:9px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg)}.copy-icon:before,.copy-icon:after{content:"";position:absolute;width:10px;height:12px;border:2px solid currentColor;border-radius:3px}.copy-icon:before{top:2px;left:5px}.copy-icon:after{top:5px;left:2px;background:currentColor;opacity:.12}.primary-button{background:#1f6feb;color:#fff;box-shadow:0 14px 28px #1f6feb38}.primary-button:hover:not(:disabled){background:#185ec8}.primary-button:disabled{cursor:not-allowed;opacity:.55;box-shadow:none}.ghost-button{background:#edf3f8;color:#314151}.link-button{background:#e4f6ef;color:#116a57}.status-message{margin:0;border-radius:8px;padding:12px 14px;font-weight:700}.status-message.success{color:#0c5f4e;background:#dff4ed}.status-message.error{color:#9b1c31;background:#ffe7eb}.status-message.info{color:#23527c;background:#e5f0ff}.results-panel{grid-column:1 / -1}.results-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,1fr));gap:16px;margin-top:22px}.result-card{min-width:0;border:1px solid #dce4ec;border-radius:8px;background:#fff;padding:18px;display:grid;grid-template-columns:minmax(0,1fr) 52px;gap:18px;align-items:start}.qr-summary{min-width:0}.qr-summary h3{margin:12px 0 0;color:#17202a;font-size:.98rem;line-height:1.35;overflow-wrap:anywhere}.result-content{min-width:0;width:100%}.qr-code{width:min(100%,176px);aspect-ratio:1;border-radius:8px;border:1px solid #d6dee8;background:#fff;padding:12px}.result-actions{display:grid;grid-template-columns:1fr;gap:10px;justify-items:end}.icon-action{width:48px;min-width:48px;height:48px;min-height:48px;padding:0;box-shadow:none}@media(max-width:860px){.app-shell{padding:18px;align-items:flex-start}.workspace{grid-template-columns:1fr}.intro,.upload-panel,.results-panel{padding:22px}h1{font-size:clamp(2.2rem,14vw,3.4rem)}.qr-code{justify-self:center}}