:root{--ink:#2e3334;--muted:#7b7e77;--red:#8d3329;--redlight:#f5eae5;--paper:#fffefa;--bg:#f5f3ed;--border:#e3e0d7;--blue:#34566b}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit;color:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}a{color:inherit;text-decoration:none}header{height:92px;border-bottom:1px solid var(--border);background:var(--paper);display:flex;align-items:center;gap:46px;padding:0 4.3%}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:14px;letter-spacing:1.2px}.brand small{display:block;color:var(--muted);font-size:11px;font-weight:400;letter-spacing:.3px;margin-top:4px}.seal{font-size:38px;color:var(--red);line-height:1}nav{display:flex;align-items:center;gap:28px;height:100%;font-size:13px}nav>a{height:100%;display:flex;align-items:center;border-bottom:2px solid transparent}nav>a.active{border-color:var(--red);color:var(--red)}.external{margin-left:auto;color:var(--muted);font-size:12px}.textbtn{border:0;background:transparent;color:var(--red);padding:0;font-size:12px}#savedCount{font-size:10px;background:#eeebe3;border-radius:9px;padding:3px 6px;margin-left:3px}main{max-width:1460px;margin:auto;padding:36px 4.3% 0}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.eyebrow{letter-spacing:2px;font-size:10px;font-weight:700;color:var(--red)}h1{font-family:Georgia,'Times New Roman',serif;font-weight:400;font-size:39px;line-height:1.2;margin:9px 0 11px}.intro p{color:var(--muted);font-size:13px;margin:0}.intro-mark{color:#b3ad9b;font-size:48px;letter-spacing:12px;opacity:.65}.intro-mark span{opacity:.5}.workspace{display:grid;grid-template-columns:330px minmax(0,1fr);gap:25px;align-items:start}.panel{background:var(--paper);border:1px solid var(--border);border-radius:9px}.formpanel{padding:24px}.panelheading{display:flex;align-items:center;gap:10px;padding-bottom:21px;border-bottom:1px solid var(--border);margin-bottom:18px}.step{border:1px solid #d8c7b6;border-radius:50%;color:#9b7256;font-size:10px;width:27px;height:27px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}h2{font-family:Georgia,'Times New Roman',serif;font-size:21px;font-weight:400;margin:0}h3{margin:0;font-size:13px}label{font-size:11px;font-weight:700;display:block;margin:15px 0 7px}.optional{font-weight:400;color:#999b94;font-size:10px;margin-left:5px}input,textarea,select{border:1px solid var(--border);background:#faf9f5;border-radius:5px;width:100%;padding:10px 11px;min-width:0}textarea{resize:vertical;min-height:68px}input::placeholder,textarea::placeholder{color:#9b9c94;font-size:12px}.two{display:grid;grid-template-columns:1.4fr 1fr;gap:9px}.two input{padding:9px 6px;font-size:12px}.timezone{display:flex;justify-content:space-between;font-size:10px;color:#909388;margin-top:7px}.timezone button{border:0;background:none;color:var(--red);font-size:10px;padding:0}.lineheading{display:flex;align-items:center;justify-content:space-between;margin:24px 0 9px}.lineheading label{margin:0}.lineheading button{font-size:10px}.inputhead,.inputrow{display:grid;grid-template-columns:69px 1fr 39px;align-items:center;gap:7px}.inputhead{font-size:10px;color:#8e9287;padding-bottom:8px}.inputhead span:last-child{text-align:center}.inputrow{padding:7px 0;border-top:1px solid #eeece5}.inputrow label{font-size:12px;margin:0;font-weight:400}.inputrow select{padding:7px 8px;font-size:12px}.inputrow input{width:16px;height:16px;justify-self:center;accent-color:var(--red);cursor:pointer}.hint{font-size:11px;color:var(--muted);line-height:1.65}.primary{background:var(--red);border:1px solid var(--red);color:white;font-weight:700;width:100%;padding:12px 16px;border-radius:5px;margin-top:9px;text-align:left;box-shadow:0 3px 5px #8d332910}.primary:hover{background:#752920}.primary span{float:right}.sample{border:0;background:none;font-size:10px;color:#999485;display:block;margin:14px auto 0;text-decoration:underline;text-underline-offset:3px}.quiet{margin:24px -24px -24px;padding:15px 24px;border-top:1px solid var(--border);background:#f8f6ef;display:flex;gap:13px;align-items:center;border-radius:0 0 9px 9px}.quiet span{font-size:25px;color:#a49c85}.quiet p{font-size:10px;color:#898979;margin:0}.resulttoolbar{display:flex;justify-content:space-between;margin-bottom:14px;gap:8px;align-items:center}.tabs{display:flex;background:#eae7df;border-radius:6px;padding:4px;gap:3px}.tabs button{background:transparent;border:0;border-radius:4px;font-size:12px;padding:9px 17px;color:#777c73}.tabs button[aria-selected=true]{background:var(--paper);color:var(--red);box-shadow:0 1px 3px #00000009}.toolbarbuttons{display:flex;gap:7px}.toolbarbuttons button{background:var(--paper);border:1px solid var(--border);border-radius:5px;font-size:12px;padding:8px 11px}.toolbarbuttons button:hover{border-color:#bfa78c}.chartcard{background:var(--paper);border:1px solid #d5cec1;padding:25px 25px 14px;outline:1px solid #e7dfd1;outline-offset:-5px;border-radius:7px;box-shadow:0 4px 15px #312c1a06}.charttop{display:flex;align-items:center;gap:15px}.charttop h2{font-size:26px;margin:5px 0 0}.charttop .eyebrow{font-size:9px;letter-spacing:2px}.badge{font-size:8px;color:#998b6c;border:1px solid #e6dece;letter-spacing:1px;border-radius:3px;padding:4px 7px;margin-left:auto}.chartseal{font-size:46px;color:#a18b66;line-height:1}.metadata{display:grid;grid-template-columns:1fr 1fr;gap:5px 18px;margin:20px 0 16px;font-size:11px;color:#6b716c}.metadata b{color:#424c4d;font-weight:500}.metadata .wide{grid-column:1/-1}.questionline{background:#f6f2e9;border-left:2px solid #b49a71;padding:10px 12px;font-size:12px;color:#716c59;overflow-wrap:anywhere}.questionline strong{display:block;color:#464b44;font-weight:500;margin-top:2px;font-size:13px}.hexpair{display:grid;grid-template-columns:1fr 1fr;margin:22px 0 24px;position:relative}.hexpair:after{content:'→';position:absolute;top:76px;left:calc(50% - 9px);font-size:23px;color:#b7aa93}.hexcol{text-align:center}.hexcol+.hexcol{border-left:1px solid var(--border)}.hexlabel{font-size:9px;letter-spacing:1.4px;color:#959789}.hexname{font:700 17px Georgia,'Times New Roman',serif;color:var(--red);margin:5px 0 14px;text-transform:uppercase}.hexlines{width:84px;margin:auto;display:flex;flex-direction:column;gap:5px}.yao{height:8px;display:flex;gap:12px;position:relative;color:var(--blue);min-width:36px}.yao i{display:block;height:100%;background:currentColor;flex:1}.yao.moving{color:#ac3c30}.yao mark{position:absolute;left:calc(100% + 8px);top:-6px;font-size:15px;background:none;color:var(--red)}.hexsub{margin-top:13px;color:#8b8c81;font-size:10px}.hexsub b{font-weight:400;color:#666e67}.scrolltable{overflow-x:auto}table{width:100%;border-collapse:collapse;white-space:nowrap;font-size:11px;text-align:left}thead{background:#f2f0e9;color:#787e71;font-size:9px;font-weight:400}th{font-weight:500;padding:9px 5px;border-bottom:1px solid #d8d3c6}td{padding:12px 5px;border-bottom:1px solid #e8e5dc;height:44px}td:nth-child(5),th:nth-child(5){border-left:1px solid #e0dace;padding-left:12px}.moving td{color:#a3372e}.tinyyao{width:37px;height:4px;display:inline-flex;vertical-align:middle;gap:5px;margin-right:5px}.flag{font-size:9px;border:1px solid #cbbfa9;padding:2px 4px;border-radius:3px;color:#7f6a42}.flag.the{border-color:var(--red);background:var(--red);color:#fff}.tk{color:#a87535;font-size:9px;margin-left:3px}.hidden{font-size:9px;color:#939487}.strength{font-size:9px;color:#7d8477;display:block}.legend{display:flex;justify-content:center;gap:24px;padding:16px 0 13px;font-size:9px;color:#929385}.legend span{display:flex;align-items:center;gap:6px}.legend b{font-size:9px;color:#a87535}.legendline{width:16px;height:3px;background:var(--blue)}.legend .moving .legendline{background:var(--red)}.chartfoot{display:flex;justify-content:space-between;border-top:1px solid var(--border);padding-top:11px;font-size:9px;color:#9c9d91}.chartfoot a{color:#817258}.below{display:flex;align-items:center;justify-content:space-between;padding:23px 0 10px;gap:14px}.below>div{display:flex;gap:11px;align-items:center}.below p{font-size:10px;color:#8b8d80;margin:3px 0}.method{font-size:10px;color:#9b9c91;margin:7px 0 0;line-height:1.7}.small{width:25px;height:25px}.guide{padding:28px}.guide h2{font-size:27px;margin-top:8px}.guideintro{color:var(--muted);font-size:13px}.guide select{margin-bottom:18px}.guide details{border:1px solid var(--border);border-radius:5px;margin:10px 0;background:#fbfaf5}.guide summary{padding:15px;cursor:pointer;font-size:13px;font-weight:500}.guide details p,.guide details ul{padding:0 15px;font-size:13px;line-height:1.9}.guide details ul{padding-left:33px}.guide details p:last-child{margin-bottom:18px}.guide details[open] summary{color:var(--red)}.note{font-size:11px;color:#9d937e;padding:17px 0 0;border-top:1px solid var(--border);margin-top:22px}footer{display:flex;justify-content:space-between;border-top:1px solid var(--border);margin-top:38px;padding:22px 0 25px;color:#a1a296;font-size:10px}footer span:first-child{letter-spacing:1.2px}dialog{border:1px solid var(--border);border-radius:10px;width:min(560px,94vw);padding:25px;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#242b2a66;backdrop-filter:blur(3px)}.dialoghead{display:flex;justify-content:space-between;align-items:center}.dialoghead button{background:none;border:0;font-size:25px}.historyitem{padding:15px 0;border-top:1px solid var(--border);display:flex;gap:10px;align-items:center}.historyitem .load{flex:1;text-align:left;border:0;background:none}.historyitem small{display:block;color:var(--muted);margin-top:5px}.delete{border:0;background:none;color:var(--red);font-size:11px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:12px 22px;color:white;background:#34463c;border-radius:6px;box-shadow:0 5px 24px #0002;z-index:5;opacity:0;pointer-events:none;transition:opacity .15s;font-size:13px;max-width:90vw}#toast.visible{opacity:1}button:disabled{opacity:.5;cursor:wait}[hidden]{display:none!important}@media(min-width:1500px){.workspace{grid-template-columns:350px minmax(0,1fr)}main{padding-top:44px}.chartcard{padding:30px 35px 18px}td{padding-top:15px;padding-bottom:15px}.hexpair{margin-top:28px;margin-bottom:29px}}@media(max-width:1100px){header{gap:28px}nav{gap:20px}.external{display:none}.workspace{grid-template-columns:300px minmax(0,1fr);gap:18px}.formpanel{padding:19px}.quiet{margin:24px -19px -19px;padding:15px 19px}.chartcard{padding:21px 17px 13px}.toolbarbuttons span{display:none}.hexname{font-size:15px}.hidden{font-size:8px}table{font-size:10px}main{padding-left:3%;padding-right:3%}}@media(max-width:800px){header{padding:0 5%;height:78px;justify-content:space-between}.brand{font-size:12px}.brand small{font-size:9px}nav{gap:0}nav>a{display:none}.intro{margin-top:0}.intro-mark{font-size:35px}h1{font-size:32px}main{padding:27px 5% 0}.workspace{grid-template-columns:1fr}.formpanel{padding:23px}.quiet{display:none}.inputrow{grid-template-columns:85px 1fr 50px}.inputhead{grid-template-columns:85px 1fr 50px}.two{grid-template-columns:1fr 1fr}.two input{font-size:14px;padding:10px}.inputrow select{padding:9px}.resultarea{margin-top:8px}.chartcard{padding:23px 15px 15px}.metadata{font-size:10px;gap:6px 10px}.chartseal{font-size:36px}.badge{font-size:7px}.charttop h2{font-size:23px}table{font-size:10px;min-width:550px}.scrolltable{margin:0 -3px}.hexname{font-size:15px}.below{align-items:flex-start}.below p{max-width:220px}.below>.textbtn{white-space:nowrap;font-size:10px;margin-top:5px}.chartfoot{font-size:8px}.legend{gap:18px}footer span:last-child{display:none}.guide{padding:22px}.toolbarbuttons button{padding:8px 10px}.tabs button{padding:9px 12px}}@media print{body{background:white}header,.intro,.formpanel,.resulttoolbar,.below,.method,footer,#guide{display:none!important}main{padding:0;max-width:none}.workspace{display:block}.chartcard{box-shadow:none}#chart{display:block!important}.scrolltable{overflow:visible}table{min-width:0}.chartcard{break-inside:avoid}}
/* Larger text in the setup panel: two CSS pixel sizes above the original. */
.formpanel h2{font-size:23px}.formpanel .step{font-size:12px}
.formpanel label{font-size:13px}.formpanel .optional{font-size:12px}
.formpanel input,.formpanel textarea,.formpanel select{font-size:16px}
.formpanel input::placeholder,.formpanel textarea::placeholder{font-size:14px}
.formpanel .two input{font-size:14px}
.formpanel .timezone,.formpanel .timezone button{font-size:12px}
.formpanel .lineheading button,.formpanel .inputhead{font-size:12px}
.formpanel .inputrow label,.formpanel .inputrow select{font-size:14px}
.formpanel .hint{font-size:13px}.formpanel .primary{font-size:16px}
.formpanel .sample,.formpanel .quiet p{font-size:12px}
@media(max-width:800px){.formpanel .two input{font-size:16px}}
.formpanel .inputhead,.formpanel .inputrow{grid-template-columns:83px minmax(0,1fr) 39px}.formpanel .inputrow label{white-space:nowrap}
@media(max-width:800px){.formpanel .inputhead,.formpanel .inputrow{grid-template-columns:85px minmax(0,1fr) 50px}}
/* One additional size for the five requested field headings. */
.formpanel label[for="name"],.formpanel label[for="question"],.formpanel label[for="date"],.formpanel label[for="time"],.formpanel .lineheading>label{font-size:14px}
/* Main page title: one size smaller, dark blue. */
.intro h1{font-size:36px;color:#173f67}
@media(max-width:800px){.intro h1{font-size:29px}}
/* Brand icon in place of the decorative trigram pair. */
.intro-mark{opacity:1;letter-spacing:0;display:flex;align-items:center;flex-shrink:0}
.intro-mark img{display:block;width:92px;height:92px;object-fit:contain}
@media(max-width:800px){.intro-mark img{width:72px;height:72px}}
/* Transparent logo, enlarged by one third. */
.intro-mark img{width:122.67px;height:122.67px}
@media(max-width:800px){.intro-mark img{width:96px;height:96px}}
/* Compact two-column chart, following the supplied reference layout. */
.chartcard{position:relative;background:#fff;padding:18px 17px 11px;border:2px solid #a6a6a1;outline:1px solid #d3d3cc;outline-offset:-6px;border-radius:4px;box-shadow:none;overflow:hidden;color:#252525}
.chartcard::before{content:none;background:none}
.chartcard>*{position:relative;z-index:1}
.charttop{display:block;min-height:30px;padding-right:100px}
.charttop .eyebrow{font-size:10px;letter-spacing:1px;margin-bottom:3px;color:#777}
.charttop h2{font:700 19px/1.25 Arial,Helvetica,sans-serif;margin:0;color:#252525}
.chart-logo{position:absolute;right:0;top:0;width:84px;height:84px;object-fit:contain}
.charttop .badge{position:absolute;right:102px;top:3px;margin:0;font-size:7px;padding:3px 5px;opacity:.75}
.metadata{display:block;margin:9px 0 7px;font-size:13px;line-height:1.65;color:#373737}
.metadata b{font-weight:600;color:#252525}
.meta-time,.meta-can{padding-right:100px}
.meta-time>span{font-size:12px}
.three-meta{display:grid;grid-template-columns:.85fr 1fr 1.2fr;gap:8px}
.empty-meta{font-size:12px;margin-left:15px}
.questionline{margin:6px 0 12px;padding:0;background:none;border:0;font-size:14px;color:#252525;line-height:1.5}
.questionline strong{display:inline;margin:0 0 0 5px;font-size:14px;color:#95289d;font-weight:500}
.hexpair{margin:0;grid-template-columns:1fr 1fr;border-top:1px solid #aaa;border-bottom:1px solid #aaa}
.hexpair:after{display:none}
.hexcol+.hexcol{border-left:1px solid #aaa}
.hexname{margin:0 0 12px;padding:7px 4px 5px;border-bottom:1px solid #aaa;color:#8b2196;font:700 15px/1.3 Arial,Helvetica,sans-serif}
.hexlines{width:78px;gap:5px}
.hexlines .yao{height:8px;color:#245c98;gap:10px}
.hexlines .yao.moving{color:#e32626}
.hexlines .yao mark{font-size:13px;top:-4px;left:calc(100% + 6px)}
.hexsub{margin:8px 0 5px;font-size:11px;color:#777;line-height:1.3}
.hexstage{border-top:1px solid #aaa;padding:4px;font-size:12px;font-weight:600;text-transform:uppercase;line-height:1.3}
.chartcard .scrolltable{margin:0;overflow-x:auto}
.chartcard .line-table{table-layout:fixed;min-width:730px;width:100%;font-size:13px;line-height:1.2;background:transparent}
.chartcard .line-table th{font-size:12px;font-weight:700;color:#292929;background:#f6f5f2;padding:5px 3px;border-bottom:1px solid #999;white-space:nowrap}
.chartcard .line-table td{height:28px;padding:5px 3px;border-bottom:1px solid #aaa;white-space:nowrap;color:#252525;vertical-align:middle}
.chartcard .line-table th:nth-child(5),.chartcard .line-table td:nth-child(5){border-left:0;padding-left:3px}
.chartcard .line-table .split{border-left:1px solid #aaa;padding-left:8px}
.chartcard .line-table .hidden{font-size:10px;color:#777;white-space:normal;overflow-wrap:anywhere}
.chartcard .line-table .empty-cell{font-size:12px;color:#555}
.chartcard .line-table .moving td{color:#e22626}
.chartcard .tinyyao{width:32px;height:4px;min-width:0;margin-right:0;gap:5px;color:#245c98;display:flex}
.chartcard .tinyyao.moving{color:#e32626}
.chartcard .flag{border:0;border-radius:0;background:none!important;color:#333!important;padding:0;font-size:12px;font-weight:400}
.chartcard .moving .flag{color:#e32626!important}
.statsgrid{display:grid;grid-template-columns:1fr 1fr;min-width:730px;margin-top:12px;border-top:1px solid #999}
.statstable{width:100%;min-width:0;table-layout:fixed;background:transparent;font-size:12px;line-height:1.2}
.statstable+table{border-left:1px solid #aaa}
.chartcard .statstable th,.chartcard .statstable td{border-left:0!important;padding:4px 3px!important;border-bottom:1px solid #aaa;text-align:center;height:25px;white-space:nowrap;font-size:12px}
.chartcard .statstable th{background:#f6f5f2;color:#292929;font-weight:700}
.chartcard .statstable th:first-child,.chartcard .statstable td:first-child{text-align:left;width:26%}
.chartcard .statstable th:nth-child(2){width:18%}
.chartcard .statstable:first-child th:nth-child(3){width:19%;font-size:11px}
.chartcard .statstable .moving td{color:#e32626}
.chartcard .legend{justify-content:flex-start;padding:8px 0 7px;gap:20px;font-size:10px;color:#777;flex-wrap:wrap}
.chartcard .chartfoot{padding-top:7px;border-top:1px solid #b8b8b0;color:#777;font-size:10px}
.chartactions{margin-top:12px}
.readbutton{width:100%;border:0;border-radius:5px;background:#a53022;color:white;padding:11px;font-size:13px;font-weight:700}
.actionrow{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px;margin-top:6px}
.actionrow button{padding:9px;border:1px solid #ddd7cc;border-radius:5px;background:#faf9f5;color:#344963;font-size:12px}
.below{padding-top:17px}
.zoomdialog{max-width:96vw;width:1160px;max-height:96vh;padding:42px 18px 18px;overflow:auto}
.zoomclose{position:absolute;right:16px;top:8px;border:0;background:none;font-size:15px;color:#8d3329}
.zoomdialog .chartcard{width:100%;min-width:790px}
.export-chart{padding:20px!important;box-sizing:border-box!important;overflow:visible!important}
.export-chart .scrolltable{overflow:visible!important}.export-chart .line-table,.export-chart .statsgrid{min-width:0!important;width:100%!important}
.export-chart .meta-time,.export-chart .meta-can{padding-right:100px!important}
@media(max-width:1100px) and (min-width:801px){.chartcard{padding:15px 12px 10px}.metadata{font-size:12px}.meta-time>span{font-size:11px}.chart-logo{width:74px;height:74px}.three-meta{gap:4px;font-size:11px}.meta-time,.meta-can{padding-right:80px}.charttop h2{font-size:17px}.charttop .badge{display:none}}
@media(max-width:800px){.chartcard{padding:16px 12px 10px}.charttop h2{font-size:17px}.chart-logo{width:70px;height:70px}.charttop .badge{display:none}.metadata{font-size:12px;line-height:1.6}.meta-time,.meta-can{padding-right:75px}.meta-time>span{font-size:11px}.three-meta{display:flex;flex-wrap:wrap;gap:1px 14px}.questionline,.questionline strong{font-size:13px}.empty-meta{margin-left:5px;font-size:11px}.hexname{font-size:13px}.hexstage{font-size:10px}.hexsub{font-size:10px}.hexlines{width:70px}.chartcard .chartfoot{font-size:9px}.chartcard .legend{gap:12px}.export-chart .three-meta{display:grid;grid-template-columns:.85fr 1fr 1.2fr}.export-chart .metadata{font-size:13px}.export-chart .charttop h2{font-size:19px}.export-chart .hexname{font-size:15px}.export-chart .hexstage{font-size:12px}.export-chart .chart-logo{width:84px;height:84px}}
@media print{.chartactions{display:none!important}.chartcard .line-table,.chartcard .statsgrid{min-width:0}.chartcard{padding:15px}.metadata{font-size:12px}}

/* Text-only interface, without logos or decorative symbols. */
.charttop{padding-right:0}.charttop .badge{right:0}
.chartcard .meta-time,.chartcard .meta-can{padding-right:0!important}
.resulttoolbar{flex-wrap:wrap}.toolbarbuttons{margin-left:auto}
.dialoghead button{font-size:14px}

/* Logo replaces the sample label; the chart has no background image. */
.chartcard::before{content:none;background:none}
.charttop{padding-right:100px}
.chart-mark{position:absolute;right:0;top:0;width:84px;height:84px;object-fit:contain;border-radius:50%}
.chartcard .meta-time,.chartcard .meta-can{padding-right:100px!important}
@media(max-width:800px){.chart-mark{width:70px;height:70px}.chartcard .meta-time,.chartcard .meta-can{padding-right:80px!important}}
.export-chart .chart-mark{width:84px;height:84px}.export-chart .meta-time,.export-chart .meta-can{padding-right:100px!important}

/* Transparent title emblem aligned above the print controls. */
.intro-title-image{display:block;width:144px;height:120px;object-fit:contain;flex-shrink:0;margin-left:20px}
@media(max-width:800px){.intro-title-image{width:108px;height:94px;margin-left:12px}}

/* Title emblem: 25% smaller, brown, with original transparent lettering preserved. */
.intro-title-image{width:108px;height:90px;background-color:#80502f;-webkit-mask:url('assets/tieu-de-luc-hao-trong-suot.png') center/contain no-repeat;mask:url('assets/tieu-de-luc-hao-trong-suot.png') center/contain no-repeat}
@media(max-width:800px){.intro-title-image{width:81px;height:70.5px}}
/* Bold page title and a pale pink background for the hexagram sheet. */
.intro h1{font-weight:700}
.chartcard{background:#fff2f5}
.chartcard .line-table th,.chartcard .statstable th{background:#f9e5eb}

/* Consistent command icons, including saved-item and dialog actions. */
.button-icon{width:1.1em;height:1.1em;display:inline-block;vertical-align:-.18em;margin-right:.42em;flex-shrink:0;pointer-events:none}button .button-icon{color:inherit} .historyitem .load>.button-icon{float:left;margin-top:.15em}
/* Transparent three-coin watermark beneath chart content. */
.chartcard::before{content:"";position:absolute;inset:0;background:url('assets/ba-dong-tien-trong-suot.png') center 55% / 35% auto no-repeat;opacity:.08;pointer-events:none;z-index:0}
@media print{.chartcard::before{-webkit-print-color-adjust:exact;print-color-adjust:exact}}
/* Enlarge the main Kinh Dịch label by one third. */
.intro .eyebrow{font-size:13.3333px}
/* Vietnamese-safe font for the main-to-changing hexagram guide title. */
#guideTitle{font-family:Arial,'Helvetica Neue','Segoe UI',sans-serif;line-height:1.5;letter-spacing:normal}
/* A4 portrait sheet with two continuous border lines. */
.chartcard{width:100%;max-width:794px;aspect-ratio:210 / 297;margin:0 auto;display:flex;flex-direction:column;border:4px double #72665f;outline:0;border-radius:0;padding:24px 22px 18px;box-sizing:border-box;-webkit-print-color-adjust:exact;print-color-adjust:exact}
.chartcard>*{flex-shrink:0}
.chartcard .hexpair{margin-top:18px;margin-bottom:18px}
.chartcard .chartfoot{margin-top:auto}
.chartactions{max-width:794px;margin-left:auto;margin-right:auto}
.export-chart{max-width:none!important;aspect-ratio:210 / 297}
.zoomdialog .chartcard{max-width:794px;min-width:760px}
@media(max-width:800px){.chartcard{padding:20px 14px 16px}}
@media print{
 @page{size:A4 portrait;margin:10mm}
 html,body{margin:0!important;padding:0!important;background:white!important}
 main{margin:0!important;padding:0!important;max-width:none!important}
 .workspace{display:block!important}
 .resultarea{margin:0!important;width:190mm!important}
 #chart{display:block!important}
 .chartcard{width:190mm!important;max-width:none!important;height:269mm!important;aspect-ratio:auto;margin:0!important;padding:6mm 5mm 4mm!important;border:1mm double #72665f;overflow:hidden;break-inside:avoid;page-break-inside:avoid;box-shadow:none}
 .chartcard .scrolltable{overflow:visible}
 .chartcard .line-table,.chartcard .statsgrid{width:100%;min-width:0!important}
 .chartcard .hexpair{margin-top:5mm;margin-bottom:5mm}
 .chartcard .metadata{font-size:12px}
 .chartcard .chartfoot{margin-top:auto}
 .chartactions,dialog,#toast{display:none!important}
}
/* Spread the two data tables evenly within the portrait sheet. */
.chartcard .scrolltable{flex:1;display:flex;flex-direction:column}
.chartcard .scrolltable>.line-table{flex:1}
.chartcard .statsgrid{flex:1}
.chartcard .statsgrid .statstable{height:100%}
.chartcard .statsgrid .statstable th,.chartcard .statsgrid .statstable td{height:auto!important}
/* Strong outer frame and a fine, lighter inner rule. */
.chartcard{border:3px solid #44362f}
.chartcard::after{content:"";position:absolute;inset:4px;border:1px solid #a6988f;pointer-events:none;z-index:2}
@media print{.chartcard{border:.8mm solid #44362f}.chartcard::after{inset:1mm;border:.25mm solid #a6988f}}

#save,#download,#print{font-weight:700}

.resulttoolbar button:disabled,.chartactions button:disabled{opacity:.4;cursor:not-allowed}
/* Chart brand label: two font sizes larger. */
.charttop .eyebrow{font-size:14px}

/* Larger, lighter Kinh Dịch lettering; crop the old subtitle from the mask. */
.intro-title-image{width:144px;height:82px;background-color:#a47c5d;-webkit-mask-size:144px auto;mask-size:144px auto;-webkit-mask-position:center top;mask-position:center top}
@media(max-width:800px){.intro-title-image{width:108px;height:61.5px;-webkit-mask-size:108px auto;mask-size:108px auto}}
/* Readable A4 typography, shared by the sheet, JPG and print. */
.chartcard .charttop .eyebrow{font-size:16px}
.chartcard .charttop h2{font-size:23px}
.chartcard .metadata{font-size:16px;line-height:1.5}
.chartcard .meta-time>span,.chartcard .empty-meta{font-size:14px}
.chartcard .three-meta{font-size:15px;grid-template-columns:1fr 1fr;gap:4px 12px}
.chartcard .three-meta>span:first-child{grid-column:1 / -1}
.chartcard .questionline,.chartcard .questionline strong{font-size:17px;line-height:1.4}
.chartcard .hexname{font-size:18px}
.chartcard .hexsub{font-size:14px;color:#555}
.chartcard .hexstage{font-size:14px}
.chartcard .line-table{font-size:16px;min-width:730px;line-height:1.3}
.chartcard .line-table th{font-size:14px;white-space:normal}
.chartcard .line-table td{font-size:16px;white-space:normal;overflow-wrap:normal}
.chartcard .line-table .hidden{font-size:13px}
.chartcard .line-table .empty-cell,.chartcard .flag{font-size:14px}
.chartcard .statstable th,.chartcard .statstable td{font-size:14px;white-space:normal;line-height:1.3}
.chartcard .statstable:first-child th:nth-child(3){font-size:13px}
.chartcard .legend,.chartcard .chartfoot{font-size:12px;color:#555}
.chartcard .tinyyao{width:28px}
@media print{
 .chartcard .metadata{font-size:16px}
 .chartcard .line-table,.chartcard .statsgrid{min-width:0!important}
 .chartcard .line-table td{font-size:15px}
 .chartcard .statstable th,.chartcard .statstable td{font-size:13px}
 .chartcard .hexpair{margin-top:3mm;margin-bottom:3mm}
}
.chartcard .line-table td:nth-child(10){font-size:15px;white-space:nowrap}
/* Keep wide A4 data inside its own scroll area on small screens. */
.workspace,.formpanel,.resultarea,.intro>div{min-width:0}
.resulttoolbar{min-width:0}
@media screen and (max-width:800px){
 main{padding:24px 4% 20px}
 .workspace{grid-template-columns:minmax(0,1fr)}
 .intro{gap:12px;align-items:center}
 .intro>div{flex:1}
 .intro h1{font-size:clamp(24px,6vw,29px)}
 .intro .eyebrow{font-size:12px;letter-spacing:1px}
 .intro p{font-size:13px;line-height:1.6}
 .intro-title-image{width:80px;height:46px;flex-basis:80px;margin-left:0;-webkit-mask-size:80px auto;mask-size:80px auto}
 .formpanel{padding:18px}
 .formpanel input,.formpanel select,.formpanel textarea{max-width:100%;font-size:16px}
 .two{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
 .two>div{min-width:0}
 .formpanel .two input{width:100%;min-width:0;padding:10px 5px}
 .formpanel .inputrow{grid-template-columns:85px minmax(0,1fr) 48px;min-height:52px}
 .formpanel .inputrow select{min-height:44px}
 .formpanel .inputrow input[type=checkbox]{width:24px;height:24px}
 .lineheading{gap:8px;flex-wrap:wrap}
 .lineheading button,#now{min-height:44px}
 .resulttoolbar{display:flex;align-items:stretch;gap:10px}
 .tabs{width:100%}
 .tabs button{flex:1;min-height:44px;font-size:14px;padding:10px 6px}
 .toolbarbuttons{width:100%;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
 .toolbarbuttons button{min-height:44px;font-size:14px;padding:10px 6px}
 #chart{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch}
 #chart>.chartcard{min-width:760px}
 #chart>.chartactions{width:100%;min-width:0}
 .actionrow button,.readbutton{min-height:44px}
 .guide{padding:18px}
 #guideTitle{font-size:23px;overflow-wrap:anywhere}
 .guide select{max-width:100%;font-size:16px}
 .guide summary{min-height:44px}
 .zoomdialog{width:96vw;max-width:96vw;padding:48px 10px 10px}
 .zoomclose{min-height:40px}
 .historyitem .load{min-height:44px}
}
@media screen and (max-width:400px){
 .formpanel .inputrow,.formpanel .inputhead{grid-template-columns:76px minmax(0,1fr) 32px;gap:6px}
 .formpanel .inputrow select{padding:8px 4px;font-size:15px}
}
@media screen and (min-width:801px) and (max-width:1100px){
 .workspace{grid-template-columns:minmax(0,1fr)}
 .formpanel,.resultarea{width:100%;max-width:794px;margin-left:auto;margin-right:auto}
}
.chart-scroll-hint{display:none}
@media screen and (max-width:800px){.chart-scroll-hint{display:block;margin:0 0 10px;font-size:13px;color:#6b625a}}