:root{--bg: #f4f6f8;--card: #ffffff;--text: #17202a;--muted: #5f6b78;--line: #d5dbe1;--accent: #0e9f8e;--accent-text: #ffffff;--warn-bg: #fff4d6;--warn-text: #5c4300;--err: #c0392b}@media (prefers-color-scheme: dark){:root{--bg: #0b0f14;--card: #131a22;--text: #e6edf3;--muted: #8b98a5;--line: #26313c;--accent: #2dd4bf;--accent-text: #04201c;--warn-bg: #3a2f10;--warn-text: #ffe39a;--err: #ff7b6b}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}main{max-width:720px;margin:0 auto;padding:24px 16px 48px}h1{margin:0;font-size:28px;letter-spacing:-.5px}h1 span{color:var(--accent)}header p{color:var(--muted);margin:6px 0 20px}.tabs{display:flex;gap:4px;margin-bottom:-1px}.tabs button{flex:1;padding:10px;border:1px solid var(--line);border-bottom:none;border-radius:10px 10px 0 0;background:transparent;color:var(--muted);font:inherit;cursor:pointer}.tabs button[aria-selected=true]{background:var(--card);color:var(--text);font-weight:600}.card{background:var(--card);border:1px solid var(--line);border-radius:0 0 12px 12px;padding:20px}label{display:block;margin:16px 0 6px;font-weight:600}label:first-child{margin-top:0}.hint{color:var(--muted);font-weight:400;font-size:14px}textarea,select,input[type=password],input[type=text]{width:100%;padding:10px 12px;background:var(--bg);color:var(--text);border:1px solid var(--line);border-radius:8px;font:inherit}#anim-style,#read-clear{width:auto;padding:6px 10px}details.more{margin-top:14px;padding:8px 12px;border:1px solid var(--line);border-radius:8px}details.more summary{cursor:pointer;font-weight:600;font-size:15px}details.more summary .hint{font-weight:400}.opt-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:10px}.opt-grid label{margin:0 0 4px}details.more>label{margin-top:12px}#extra-msgs .extra{margin:10px 0;padding:10px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}#extra-msgs .extra textarea{background:var(--card)}#extra-msgs .extra input{width:auto;flex:1;min-width:140px;background:var(--card)}#btn-add-msg{margin-top:4px}details.more p.hint{margin:10px 0 0}textarea{resize:vertical;font-family:ui-monospace,Consolas,monospace;font-size:15px}textarea:focus,input:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:8px}.row input[type=password]{flex:1;min-width:160px;width:auto}button{font:inherit;padding:9px 16px;border-radius:8px;border:1px solid var(--line);background:transparent;color:var(--text);cursor:pointer}button.primary{background:var(--accent);color:var(--accent-text);border-color:transparent;font-weight:600}button.small{padding:4px 10px;font-size:14px}button:disabled{opacity:.5;cursor:progress}.meter{height:4px;background:var(--line);border-radius:2px;margin-top:8px;overflow:hidden}.meter i{display:block;height:100%;width:0;background:var(--err);transition:width .2s,background .2s}fieldset{border:1px solid var(--line);border-radius:8px;margin:18px 0 8px;padding:6px 14px 12px}legend{font-weight:600;padding:0 6px}.opt{display:block;font-weight:400;margin:10px 0 0;cursor:pointer}.opt span{display:block;color:var(--muted);font-size:14px;margin-left:24px}.opt b{font-weight:600}#btn-create{margin-top:16px}.status{min-height:1.4em;margin-top:10px;font-size:14px;color:var(--muted)}.status.error{color:var(--err)}.warn{margin-top:12px;padding:10px 12px;border-radius:8px;background:var(--warn-bg);color:var(--warn-text);font-size:14px}#out-wrap{margin-top:18px}#out-canvas,#thumb{display:block;max-width:100%;max-height:420px;margin:0 auto 8px;border-radius:8px;border:1px solid var(--line);image-rendering:pixelated}#out-info{text-align:center;margin-bottom:8px}#drop{border:2px dashed var(--line);border-radius:12px;padding:28px 16px;text-align:center;color:var(--muted);transition:border-color .15s,background .15s}#drop.over,#drop:focus{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,transparent);outline:none}#drop p{margin:0 0 12px}#thumb{max-height:180px;margin-bottom:12px}.link{display:inline;margin:0;color:var(--accent);text-decoration:underline;cursor:pointer;font-weight:400}.check{display:flex;align-items:center;gap:6px;font-weight:400;margin:0 0 0 8px;color:var(--muted);font-size:14px}#stage-wrap{position:relative;margin-top:16px}#stage{display:block;width:100%;height:300px;border-radius:10px;background:#0b0f14}#stage-wrap button{position:absolute;top:8px;right:8px;background:#00000080;color:#cfe;border-color:#355}#result{margin-top:16px}.shake{animation:shake .45s}@keyframes shake{20%,60%{transform:translate(-8px)}40%,80%{transform:translate(8px)}}@media (prefers-reduced-motion: reduce){.shake{animation:none}}details.about{margin-top:16px;padding:12px 20px;background:var(--card);border:1px solid var(--line);border-radius:12px;font-size:15px}details.about summary{cursor:pointer;font-weight:600}details.about h3{margin:18px 0 6px;font-size:15px}details.about ol,details.about ul{margin:6px 0;padding-left:22px}details.about li{margin:4px 0}.tablewrap{overflow-x:auto}details.about table{width:100%;border-collapse:collapse;font-size:13.5px}details.about th,details.about td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}footer a{color:inherit}#outlook-note{margin:-10px 0 18px;font-size:14px}#outlook-note .link{padding:0;border:0;background:none;font-size:inherit}#manifest-url{flex:1;min-width:220px;width:auto;font:13px ui-monospace,Consolas,monospace}footer{margin-top:20px;color:var(--muted);font-size:13px}[hidden]{display:none!important}.row.center{justify-content:center;margin-top:0}#cam-wrap{position:relative;margin-top:14px}#cam{display:block;width:100%;max-height:360px;object-fit:cover;border-radius:10px;background:#000}#cam-wrap button{position:absolute;top:8px;right:8px;background:#0000008c;color:#fff;border-color:#555}.seg{display:flex;gap:16px;margin-bottom:14px}.seg label{margin:0;font-weight:500;display:flex;align-items:center;gap:6px;cursor:pointer}.filebox{padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--bg);font-family:ui-monospace,Consolas,monospace;word-break:break-all}#limit-hint{margin-top:8px}#file-info{margin-top:6px}.check.split{margin:14px 0 0}#parts-list{display:grid;gap:10px;margin-bottom:10px}.part{display:flex;gap:12px;align-items:center;padding:8px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}.part canvas{width:72px;height:72px;object-fit:contain;border-radius:4px;image-rendering:pixelated;background:#fff;flex:none}.part .meta{flex:1;min-width:0;font-size:14px}.part .meta b{display:block}.part button{padding:6px 10px;font-size:14px}#tray{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:12px}#tray .thumb{position:relative}#tray canvas{display:block;width:84px;height:84px;object-fit:cover;border-radius:6px;border:1px solid var(--line);background:#fff}#tray .thumb button{position:absolute;top:-6px;right:-6px;width:20px;height:20px;padding:0;line-height:1;border-radius:50%;font-size:12px;background:var(--card)}.ocr-row{margin-top:8px}.btn-like{display:inline-block;margin:0;padding:4px 10px;font-size:14px;font-weight:400;border:1px solid var(--line);border-radius:8px;cursor:pointer}#ocr-cam{margin-top:10px}#ocr-video{display:block;width:100%;max-height:360px;object-fit:cover;border-radius:10px;background:#000}#ocr-progress{margin-top:8px}#ocr-bar{background:var(--accent)}.recip{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:8px 0;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--bg)}.keycard{margin:12px 0;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}.keycard input{margin-top:8px;font:12.5px ui-monospace,Consolas,monospace}.qrbox{margin-top:10px;text-align:center}#to-input{flex:2;min-width:200px;width:auto}#to-label{flex:1;min-width:140px;width:auto}#to-contact{flex:1;width:auto}#key-import{margin-top:8px}#file-preview{display:block;max-width:100%;max-height:340px;margin:10px 0 0;border-radius:8px;border:1px solid var(--line);background:#fff}