@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');
:root{--bg:#f5f5f0;--ink:#193a30;--muted:#747d73;--line:#e0e4da;--green:#c5ed9d;--paper:#fff;--orange:#a76d43}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px 'Be Vietnam Pro',system-ui,sans-serif}header{height:78px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4%;gap:20px}.brand{font-size:14px;letter-spacing:1px;text-decoration:none;color:var(--ink);font-weight:800;display:flex;align-items:center;gap:12px}.brand-icon{background:var(--ink);color:var(--green);border-radius:9px;padding:6px 10px;font-size:23px}.muted{font-weight:400;color:var(--muted)}.header-note,.saved,.eyebrow,.tag,.pill{font-size:10px;letter-spacing:1.3px}.header-note{color:var(--muted)}.saved{letter-spacing:0;color:#507749}.saved:before,.dot{content:'';display:inline-block;width:7px;height:7px;background:#76a96c;border-radius:100%;margin-right:8px}main{max-width:1280px;margin:auto;padding:45px 32px 0}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.eyebrow{font-weight:700}h1{font-size:clamp(32px,4vw,51px);line-height:1.28;letter-spacing:-2px;margin:16px 0}h1 em{font-style:normal;font-weight:400;color:#5d805e}.intro p{color:var(--muted);font-size:13px;line-height:1.9}.hero-mark{width:190px;height:170px;border-radius:100px 100px 12px 100px;background:#e3ebda;display:flex;align-items:center;justify-content:center;font:80px Georgia;position:relative;transform:rotate(-6deg);margin-right:36px}.hero-mark span{font:700 20px 'Be Vietnam Pro';margin:20px 0 0 8px}.hero-mark small{position:absolute;bottom:20px;font:9px 'Be Vietnam Pro';letter-spacing:3px}.notice{background:#ecefe4;border:1px solid #dde2d2;border-radius:10px;padding:12px 17px;display:flex;align-items:center;gap:15px;font-size:11px;line-height:1.8}.notice>span{border:1px solid #92a182;border-radius:100%;padding:0 7px}.notice p{margin:0}.toolbar{display:flex;align-items:center;justify-content:space-between;margin-top:28px;gap:15px;font-size:12px}.toolbar small{color:var(--muted)}button,select,input{font:inherit}button{cursor:pointer;background:white;color:var(--ink);border:1px solid var(--line);border-radius:7px;padding:9px 13px;font-size:11px}button:hover{background:#edf3e6;border-color:#b6c7a3}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid #508354;outline-offset:2px}.actions{display:flex;gap:7px}#message{font-size:12px;min-height:16px;color:#946334;margin:9px 0}.workspace{display:grid;grid-template-columns:370px 1fr;gap:20px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:13px;padding:24px}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.panel-head>div{display:flex;gap:11px;align-items:center}h2{font-size:16px;margin:0;letter-spacing:-.4px}.step{font-size:10px;color:#8a9588;border:1px solid var(--line);padding:5px;border-radius:5px}.tag{font-size:8px;letter-spacing:.6px;color:#7c8978;white-space:nowrap}.tabs{display:flex;background:#f2f4ee;padding:4px;border-radius:7px;margin:23px 0}.tabs button{width:50%;border:0;background:transparent;color:#86917f}.tabs button[aria-selected=true]{background:white;box-shadow:0 2px 5px #193a3010;color:var(--ink)}.fields{display:grid;grid-template-columns:1fr 1fr;gap:17px 14px}.fields[hidden]{display:none}label{font-size:10px;color:#687461;display:flex;flex-direction:column;gap:7px}input[type=number],select{width:100%;min-width:0;border:1px solid #e0e5d9;border-radius:6px;padding:11px;background:#fcfdf9;color:var(--ink);font-size:14px;font-variant-numeric:tabular-nums}input:invalid{border-color:#b2684d}.field-note{font-size:10px;line-height:1.8;color:#899180;margin:20px 0 0}details{border-top:1px solid var(--line);margin-top:22px;padding-top:17px}summary{cursor:pointer;font-size:12px;font-weight:600;line-height:1.7}details .full{margin-top:18px}#actual{margin-top:16px}#actual.disabled{opacity:.45}.results{display:flex;flex-direction:column;gap:20px}.summary-card{background:#1e4034;border-radius:13px;padding:25px 28px;color:#f1f6e9}.summary-top{display:flex;justify-content:space-between;gap:10px}.summary-top .eyebrow{font-size:9px;color:#b8ccae}.pill{font-size:9px;letter-spacing:0;border:1px solid #6a8467;padding:5px 9px;border-radius:20px;color:#c4d8b5}.gain-row{display:flex;gap:25px;align-items:center;margin:20px 0}.gain-row strong{font-size:56px;letter-spacing:-3px;font-weight:500;color:var(--green);font-variant-numeric:tabular-nums}.gain-row strong.negative{color:#ffbc9b}.gain-row>span{font-size:11px;color:#bbccb5;line-height:1.8}.metrics{border-top:1px solid #52694e;padding-top:18px;display:flex;gap:25px;align-items:center}.metrics small{font-size:8px;color:#a5b89d;display:block;letter-spacing:1px;margin-bottom:6px}.metrics b{font-size:18px;font-weight:500;font-variant-numeric:tabular-nums}.metrics .arrow{color:#8ba57e}.summary-card p{font-size:9px;color:#adc0a5;line-height:1.8;margin:18px 0 0}.sub{font-size:11px;color:#8a9281;line-height:1.9;margin:12px 0 17px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:11px}th{text-align:left;color:#8c9484;font-size:9px;font-weight:500;padding:10px 7px;border-bottom:1px solid var(--line)}td{padding:10px 7px;border-bottom:1px solid #edf0e8}td:first-child{min-width:150px}td:nth-child(2){width:120px}td input{padding:6px 9px!important;font-size:12px!important;max-width:92px}td .unit{font-size:9px;color:#919a88;margin-left:4px}.increase{font-weight:600;white-space:nowrap}.bar{width:65px;height:5px;background:#eff3e9;border-radius:10px;overflow:hidden}.bar i{display:block;height:100%;background:#9cc47a;border-radius:10px}.top-rank{background:#f7faef}.rank-num{display:inline-block;color:#a3ae99;width:22px;font-size:9px}.bundle{margin-top:22px}.bundle-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.bundle input{background:#f7f9f2}.breakdown{margin-top:22px}#breakdown{margin:18px 0;overflow-x:auto}#breakdown table td:first-child{color:#788471}.formula-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:13px}.formula-grid article{border:1px solid var(--line);border-radius:8px;padding:16px;background:#fafbf7}.formula-grid span{font-size:9px;font-weight:700;letter-spacing:.7px}.formula-grid p{font-size:11px;line-height:1.9;margin-bottom:0;color:#71816a}.blue{color:#3b7088}.orange{color:var(--orange)}.settings{margin-top:22px}.settings details{border:0;margin:0;padding:0}.settings summary{display:flex;justify-content:space-between}.settings summary span{font-size:10px;font-weight:400;color:#8b9481}.config{grid-template-columns:repeat(5,1fr);margin:24px 0}.math-notes{border-top:1px solid var(--line);font-size:11px;line-height:1.9;color:#7d8774}.math-notes a{color:#426e49}footer{border-top:1px solid var(--line);margin-top:38px;padding:24px 0;display:flex;justify-content:space-between;color:#8b9480;font-size:9px;letter-spacing:.6px}@media(max-width:1000px){.workspace{grid-template-columns:320px 1fr}.panel{padding:19px}.bundle-grid{grid-template-columns:repeat(4,1fr)}.config{grid-template-columns:repeat(3,1fr)}.metrics{gap:16px}.header-note{display:none}.hero-mark{margin-right:0}.gain-row strong{font-size:44px}}@media(max-width:760px){header{height:65px;padding:0 20px}.brand{font-size:11px;gap:8px}.saved{font-size:9px}main{padding:28px 17px 0}.hero-mark{display:none}.intro p br{display:none}.intro{margin-bottom:20px}h1{letter-spacing:-1px}.toolbar{align-items:flex-start;flex-direction:column}.workspace{grid-template-columns:1fr}.bundle-grid{grid-template-columns:repeat(2,1fr)}.formula-grid{grid-template-columns:1fr}.config{grid-template-columns:repeat(2,1fr)}.settings summary span{display:none}.metrics{justify-content:space-between;gap:12px}.metrics b{font-size:16px}footer{gap:20px;line-height:1.8}.gain-row strong{font-size:52px}.notice{font-size:10px}.tag{font-size:7px}}
.icon{width:17px;height:17px;vertical-align:middle;flex:none;color:#64815b}.field-caption{display:flex;align-items:center;gap:6px;min-height:19px}.field-caption .icon{width:15px;height:15px}button .icon{width:15px;height:15px;margin-right:6px}.panel-head h2 .icon{margin-right:8px;width:19px;height:19px}.ranking td:first-child .icon{width:16px;height:16px;margin-right:7px}.ocr-panel{margin:0 0 24px;border-color:#d1ddc4;background:linear-gradient(130deg,#fff 65%,#f4f8eb)}.ocr-symbol{width:32px;height:32px;background:#eaf1de;display:grid;place-items:center;border-radius:9px}.ocr-symbol .icon{width:22px;height:22px}.ocr-toolbar{display:flex;align-items:end;flex-wrap:wrap;gap:10px}.ocr-toolbar label{min-width:200px}.ocr-toolbar button{min-height:42px}.primary-button{background:#234b37;color:#f2f8e9;border-color:#234b37}.primary-button .icon{color:#c5ed9d}.primary-button:hover{background:#355b40;color:white}.primary-button:disabled,button:disabled{opacity:.45;cursor:not-allowed}.ocr-status{font-size:11px;line-height:1.8;color:#738666;margin-bottom:0;min-height:20px}.ocr-work{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}.ocr-work[hidden],#ocr-review[hidden],#ocr-cancel[hidden]{display:none}.preview-heading{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#6e8163;margin-bottom:10px}#ocr-canvas{display:block;width:100%;max-height:650px;object-fit:contain;object-position:top left;border:1px solid #dbe4d1;border-radius:9px;background:#e9ede3;touch-action:none;cursor:crosshair}#ocr-text{resize:vertical;min-height:190px;width:100%;background:#fbfcf7;border:1px solid #dce3d5;border-radius:8px;padding:12px;color:#264b35;font:13px/1.8 'Be Vietnam Pro',system-ui,sans-serif}.ocr-text button{margin-top:12px}.ocr-review-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-top:20px;border-top:1px solid #e0e6d9;padding-top:16px}h3{font-size:13px;font-weight:600}#ocr-rows td{vertical-align:middle}#ocr-rows td:first-child{min-width:35px;width:35px}#ocr-rows td:nth-child(2){max-width:260px;min-width:130px;font-size:10px;overflow-wrap:anywhere}#ocr-rows td:nth-child(3){min-width:195px}#ocr-rows td:nth-child(4){min-width:95px}#ocr-rows select{font-size:11px;padding:8px}#ocr-rows input[type=number]{width:95px;max-width:none!important}#ocr-rows input[type=checkbox],.confirm-label input{accent-color:#315d3e;width:16px;height:16px}.uncertain{background:#fffaf0}.apply-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px}.confirm-label{flex-direction:row;align-items:center;font-size:11px;flex:1;min-width:230px}.apply-row select{width:auto;max-width:100%;font-size:11px}.manual-ocr{margin-top:15px;padding-top:13px}.manual-ocr button{margin-top:10px}.dragover{outline:2px dashed #6c914e;outline-offset:3px}kbd{background:white;border:1px solid #dae2d0;padding:2px 5px;border-radius:4px;font:10px system-ui}.ocr-panel .tag{white-space:normal;text-align:right}@media(max-width:760px){.ocr-work{grid-template-columns:1fr}.ocr-toolbar{align-items:stretch}.ocr-toolbar label{min-width:100%;order:3}.ocr-toolbar button{flex:1;white-space:nowrap}.ocr-toolbar #ocr-read{order:4}.apply-row{align-items:stretch;flex-direction:column}.ocr-panel{padding:18px}.ocr-panel .panel-head{align-items:start}.ocr-panel h2{font-size:14px}.ocr-panel .tag{font-size:7px;max-width:100px}.ocr-review-title{gap:8px}}
#ocr-canvas{height:auto;max-height:none} .ocr-toolbar label select{min-height:42px} .ocr-review-title+ .table-wrap{margin-top:8px}
/* Readable, compact interface */
body{font-size:16px;line-height:1.55}main{max-width:1380px;padding-top:32px}.brand{font-size:16px}.saved,.header-note{font-size:12px}.intro{margin-bottom:22px}.intro .eyebrow{font-size:12px}h1{font-size:clamp(32px,4vw,48px);letter-spacing:-1.7px;margin:8px 0}.intro p{font-size:16px;margin:8px 0}.hero-mark{width:110px;height:100px;font-size:54px;margin-right:10px}.hero-mark span{font-size:15px}.hero-mark small{display:none}.notice{font-size:14px;padding:12px 16px}.notice a,a{color:#386c45;text-underline-offset:3px}.toolbar{margin-top:20px;font-size:14px}.toolbar .dot{margin-right:4px}.toolbar small{font-size:13px}button{font-size:15px;min-height:44px;padding:10px 15px;border-radius:9px}.icon{width:20px;height:20px}.icon-button{width:46px;display:grid;place-items:center;padding:10px}.icon-button .icon{margin:0;width:21px;height:21px}button .icon{width:19px;height:19px;margin-right:7px}.actions{gap:8px}#message{font-size:14px;min-height:0;margin:10px 0}#message:empty{margin:0 0 20px}.workspace{grid-template-columns:minmax(350px,.85fr) minmax(0,1.35fr);gap:24px}.panel{padding:24px;border-radius:16px}.panel-head{gap:12px}.panel-head>div{gap:10px}h2{font-size:22px;letter-spacing:-.6px;line-height:1.3}.panel-head h2 .icon{width:22px;height:22px}.step{font-size:12px;padding:4px 6px}.panel-head .tag{display:none}.fields{gap:18px 16px}label{font-size:14px;color:#4d634a;gap:8px}.field-caption{min-height:24px;gap:8px}.field-caption .icon{width:18px;height:18px}.fields label{min-width:0}input[type=number],select{font-size:18px;padding:11px 12px;min-height:48px;border-radius:9px}select{font-size:15px}.tabs{margin:20px 0}.tabs button{font-size:16px}.field-note{font-size:13px;line-height:1.7;color:#687660;margin-top:14px}.sub{font-size:15px;color:#687660;line-height:1.65;margin:10px 0 18px}summary{font-size:16px;line-height:1.6;padding:3px 0}details{margin-top:20px}.results{gap:24px}.summary-card{padding:26px 28px;border-radius:16px}.summary-top .eyebrow{font-size:12px;letter-spacing:1px}.pill{font-size:12px;padding:5px 10px}.gain-row{gap:24px;margin:16px 0}.gain-row strong{font-size:64px;letter-spacing:-3px}.gain-row>span{font-size:14px}.metrics{gap:24px}.metrics small{font-size:11px}.metrics b{font-size:24px}.summary-card p{font-size:13px;line-height:1.6;margin-top:16px}table{font-size:15px}th{font-size:12px;padding:12px 8px;color:#60705a}td{padding:12px 8px}td:first-child{min-width:190px}td:nth-child(2){width:110px}td input{font-size:17px!important;min-height:42px;padding:7px 9px!important;max-width:96px}.rank-num{font-size:11px;width:23px}.ranking td:first-child .icon{width:18px;height:18px;margin-right:8px}.bar{width:52px;height:6px}.bundle{margin-top:24px}.bundle-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.bundle .field-caption{min-height:28px}.breakdown,.settings{margin-top:24px}.breakdown>.panel-head .tag{display:none}.breakdown details{border:0;margin-top:12px;padding-top:0}.formula-grid{gap:16px}.formula-grid span{font-size:12px}.formula-grid p,.math-notes{font-size:14px;line-height:1.8}.config{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.settings summary{display:list-item}.settings .sub{margin-top:18px}footer{font-size:12px;letter-spacing:0;gap:20px}.ocr-panel{margin-bottom:24px}.ocr-toolbar{gap:12px;align-items:end}.ocr-toolbar label{min-width:180px}.ocr-toolbar button{min-height:48px}.ocr-toolbar label select{min-height:48px}.ocr-status{font-size:13px;color:#607354;margin-top:12px}.ocr-work{align-items:start}.ocr-text{margin:0;padding:12px 16px;border:1px solid var(--line);border-radius:10px;background:#fafcf7}.ocr-text label{margin-top:12px}#ocr-text{font-size:15px;line-height:1.7}.preview-heading{font-size:14px}h3{font-size:18px}#ocr-rows td:nth-child(2){font-size:14px}#ocr-rows select{font-size:15px;min-height:44px}.confirm-label{font-size:14px;gap:10px}.confirm-label input,#ocr-rows input[type=checkbox]{height:20px;width:20px;flex:none}.apply-row select{font-size:15px}.manual-ocr{margin-top:14px;padding-top:12px}.manual-ocr .field-note{margin-top:8px}kbd{font-size:13px}.ocr-review-title{margin-top:24px}
@media(max-width:1100px){.workspace{grid-template-columns:1fr}.fields{grid-template-columns:repeat(3,minmax(0,1fr))}.summary-card{padding:24px}.ranking .bar{width:90px}.header-note{display:none}.config{grid-template-columns:repeat(3,minmax(0,1fr))}.bundle-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:700px){header{height:70px;padding:0 18px;gap:10px}.brand{font-size:12px;gap:7px;letter-spacing:.3px}.brand-icon{font-size:22px;padding:4px 9px}.saved{font-size:11px;max-width:100px;text-align:right;line-height:1.4}.saved:before{display:none}main{padding:24px 16px 0}h1{font-size:34px;letter-spacing:-1.4px}.intro p{font-size:15px}.hero-mark{display:none}.notice{font-size:13px;align-items:flex-start;gap:10px}.toolbar{flex-direction:row;align-items:center;font-size:13px}.panel{padding:20px 16px}.panel-head{align-items:center}h2{font-size:20px}.step{font-size:11px}.fields,.bundle-grid,.config{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}label{font-size:13px}.field-caption{gap:5px;line-height:1.5}.field-caption .icon{width:16px;height:16px}input[type=number]{font-size:18px}select{font-size:15px}.summary-card{padding:22px 18px}.summary-top .eyebrow{font-size:11px}.pill{font-size:11px}.gain-row{gap:16px}.gain-row strong{font-size:54px}.gain-row>span{font-size:13px}.metrics{justify-content:space-between;gap:10px}.metrics b{font-size:20px}.metrics small{font-size:10px}.summary-card p{font-size:12px}table{font-size:14px}td:first-child{min-width:182px}.ranking .bar{width:40px}.rank-num{width:20px}.ranking td:first-child .icon{margin-right:5px}.formula-grid{grid-template-columns:1fr}.ocr-work{grid-template-columns:1fr}.ocr-toolbar{align-items:stretch;gap:10px}.ocr-toolbar button{flex:1;white-space:nowrap;padding:10px 12px}.ocr-toolbar label{min-width:100%;order:3}.ocr-toolbar #ocr-read{order:4}.ocr-panel .panel-head{align-items:center}.ocr-panel h2{font-size:20px}.ocr-panel .sub{font-size:14px}.apply-row{flex-direction:column;align-items:stretch}.apply-row select{width:100%}.ocr-review-title{gap:8px}.ocr-review-title h3{font-size:17px}footer{flex-direction:column;gap:5px;font-size:12px}.field-note{font-size:13px}}
@media(prefers-reduced-motion:no-preference){button{transition:background .15s,border-color .15s}}