:root{--bg:#f7f0f5;--paper:#fffafc;--ink:#17131b;--muted:#726c75;--line:rgba(23,19,27,.19);--night:#0c1019;--accent:#ad6d8e}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{min-width:320px;margin:0;background:var(--bg);color:var(--ink);font-family:Questrial,system-ui,-apple-system,sans-serif}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:inherit}
:focus-visible{outline:2px solid #8068a2;outline-offset:3px}
.site-header{position:sticky;z-index:5;top:0;display:grid;grid-template-columns:auto 1fr auto;align-items:center;min-height:72px;padding:0 max(24px,calc((100vw - 1360px)/2));border-bottom:1px solid var(--line);background:rgba(247,240,245,.94);backdrop-filter:blur(16px)}
.brand{font-size:18px;letter-spacing:3px;text-decoration:none;color:#241849;white-space:nowrap}
.brand small{display:block;margin-top:2px;color:var(--muted);font-size:8px;letter-spacing:1.2px}
.nav{display:flex;justify-content:center;gap:18px;font-size:13px}
.nav a{text-decoration:none;white-space:nowrap}
.nav a small{display:block;margin-top:2px;color:var(--muted);font-size:8px}
.nav a[aria-current=page]{color:#8e5375}
.menu-button{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);font-size:17px}
.page-heading,.workspace,.results{width:min(1360px,calc(100% - 48px));margin:0 auto}
.page-heading{padding:58px 0 34px}
.eyebrow,.pane-heading span,.results-heading span{color:#8a627b;font-size:10px;letter-spacing:1.1px}
h1,h2,h3,p{margin-top:0}
.page-heading h1{margin:14px 0 12px;font:400 42px/1.2 'Noto Serif SC',serif}
.page-heading>p:last-child{margin-bottom:0;color:var(--muted);font-size:14px}
.workspace{display:grid;grid-template-columns:minmax(300px,400px) minmax(0,1fr);gap:56px;align-items:start;padding-bottom:70px}
.pane-heading{padding-top:18px;border-top:1px solid var(--ink)}
.pane-heading h2,.results-heading h2{margin:11px 0 28px;font:400 24px/1.25 'Noto Serif SC',serif}
.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 14px}
.field-grid label{display:grid;gap:8px;min-width:0;color:#433d45;font-size:13px}
.field-grid .full{grid-column:1/-1}
.field-grid input,.field-grid select{width:100%;height:46px;padding:0 12px;border:1px solid #c9bcc7;border-radius:3px;background:#fff;color:var(--ink);font-size:14px}
.field-grid input:focus,.field-grid select:focus{border-color:#7e6b89}
.coordinates{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.coordinates[hidden]{display:none}
.field-note{min-height:32px;margin:14px 0 0;color:var(--muted);font-size:11px;line-height:1.5}
.submit{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:50px;margin-top:15px;padding:0 17px;border:0;border-radius:3px;background:var(--ink);color:#fff;font-size:14px}
.submit:hover{background:#3a263a}
.form-status{min-height:22px;margin:13px 0 0;color:#96546d;font-size:12px;line-height:1.5}
.input-foot{margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
.input-foot p{margin:0 0 9px;color:var(--muted);font-size:11px;line-height:1.65}
.chart-surface{display:grid;place-items:center;min-height:610px;background:var(--night);overflow:hidden}
.empty-chart{position:relative;width:100%;height:610px}
.empty-chart img{width:100%;height:100%;object-fit:cover;opacity:.5;filter:brightness(.5) saturate(.65)}
.empty-chart::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(12,16,25,.84))}
.empty-chart p{position:absolute;z-index:1;right:24px;bottom:22px;left:24px;margin:0;color:#e9dce8;font:400 20px 'Noto Serif SC',serif;text-align:center}
#chart-svg{display:block;width:min(100%,610px);height:auto;aspect-ratio:1}
#chart-svg[hidden]{display:none}
.chart-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;min-height:48px}
.chart-toolbar[hidden]{display:none}
.chart-toolbar p{margin:0;color:var(--muted);font-size:11px;line-height:1.5}
.chart-toolbar button{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:transparent;color:var(--ink);font-size:20px}
.results{padding:28px 0 90px;border-top:1px solid var(--ink)}
.results[hidden]{display:none}
.results-heading h2{margin-bottom:32px}
.result-columns{display:grid;grid-template-columns:1fr 1fr;gap:54px}
.result-columns h3{margin:0 0 15px;font:400 21px 'Noto Serif SC',serif}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;min-width:325px}
th,td{padding:12px 8px;border-bottom:1px solid var(--line);text-align:left;font-size:12px}
th{color:var(--muted);font-weight:400}
td:first-child{font-family:'Noto Serif SC',serif}
td small{display:block;margin-top:4px;color:var(--muted);font:10px Questrial,sans-serif}
.aspect-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px;margin-top:26px}
.aspect-list p{margin:0;padding:10px 0;border-bottom:1px solid var(--line);font-size:11px}
.aspect-list b{font-weight:400;color:#956984}
.result-note{max-width:770px;margin:36px 0 0;color:var(--muted);font-size:11px;line-height:1.7}
footer{display:flex;justify-content:space-between;gap:20px;padding:26px max(24px,calc((100vw - 1360px)/2));background:#11131b;color:#a4a1ac;font-size:11px}
footer a{text-decoration:none}
@media(max-width:1100px){.nav{gap:10px;font-size:12px}.workspace{gap:32px;grid-template-columns:minmax(280px,360px) minmax(0,1fr)}.chart-surface{min-height:0}.empty-chart{height:500px}}
@media(max-width:900px){.site-header{grid-template-columns:auto auto;justify-content:space-between}.menu-button{display:block}.nav{position:absolute;top:71px;right:18px;left:18px;display:none;padding:18px;border:1px solid var(--line);background:#fffafc;box-shadow:0 18px 35px rgba(23,19,27,.13)}.nav[data-open=true]{display:grid;gap:14px}.nav a{font-size:16px}.workspace{grid-template-columns:1fr;gap:32px}.input-pane{max-width:none}.chart-surface{min-height:0}.empty-chart{height:580px}.result-columns{gap:24px}}
@media(max-width:620px){.site-header{min-height:64px;padding-inline:17px}.nav{top:63px}.page-heading,.workspace,.results{width:calc(100% - 36px)}.page-heading{padding:38px 0 30px}.page-heading h1{font-size:34px}.workspace{padding-bottom:48px}.field-grid{gap:16px 10px}.field-grid input,.field-grid select{font-size:13px}.empty-chart{height:360px}.result-columns{grid-template-columns:1fr;gap:36px}.aspect-list{grid-template-columns:1fr}footer{flex-direction:column}}