:root{
  --ink:#171912;
  --muted:#686d5d;
  --paper:#f4f1e8;
  --card:#fffdf7;
  --line:#dcd7c8;
  --leaf:#2e6b4f;
  --leaf-soft:#e0ece4;
  --berry:#c93f55;
  --berry-soft:#f9dfe4;
  --gold:#e4a321;
  --gold-soft:#fff0c8;
  --blue:#315d7b;
  --radius:18px;
  --sans:'Noto Sans KR',sans-serif;
  --display:'Noto Sans KR',sans-serif;
  --mono:'JetBrains Mono',monospace;
}
html[data-theme="dark"]{--ink:#f3f1e8;--muted:#b7bcad;--paper:#171912;--card:#23271f;--line:#444a3c;--leaf:#6fb38b;--leaf-soft:#254634;--berry:#ee7387;--berry-soft:#4a252d;--gold:#efc15b;--gold-soft:#4e4120}
*{box-sizing:border-box}
html{background:var(--paper)}
body{margin:0;color:var(--ink);font-family:var(--sans);background:radial-gradient(circle at 88% 6%,rgba(228,163,33,.15),transparent 24rem),var(--paper)}
button,input{font:inherit}
button{cursor:pointer}
a{color:inherit}
.global-nav{width:100%;border-bottom:1px solid #34382f;background:#171912;color:white;position:relative;z-index:20}
.global-nav-inner{display:flex;align-items:center;justify-content:space-between;width:min(1180px,calc(100% - 32px));height:54px;margin:0 auto}
.global-brand{display:flex;align-items:center;font:900 24px/1 var(--display);letter-spacing:-.04em;text-decoration:none;color:#e7c05d}
.global-actions,.global-categories{display:flex;align-items:stretch;height:100%}.global-actions{align-items:center}
.global-categories a{display:grid;place-items:center;min-width:112px;padding:0 18px;border-left:1px solid #34382f;color:#b8bdad;font-size:12px;font-weight:700;text-decoration:none}
.global-categories a:last-child{border-right:1px solid #34382f}
.global-categories a:hover{color:white;background:#24281f}.global-categories a.active{color:#171912;background:#e7c05d}
.theme-toggle{display:grid;place-items:center;width:34px;height:34px;margin-left:10px;border:1px solid #596052;border-radius:50%;background:transparent;color:#f6f7f2}.theme-toggle:hover{border-color:#e7c05d;color:#e7c05d}.theme-icon{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.theme-icon-sun{display:none}html[data-theme="dark"] .theme-icon-moon{display:none}html[data-theme="dark"] .theme-icon-sun{display:block}
.app-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:36px 0 54px}
.topbar{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;padding-bottom:24px;border-bottom:2px solid var(--ink)}
.eyebrow{margin:0 0 4px;font:700 11px/1 var(--mono);letter-spacing:.14em;color:var(--berry)}
h1{font:900 clamp(30px,4vw,48px)/1.05 var(--display);margin:0;letter-spacing:-.05em}
.workspace{display:grid;grid-template-columns:1fr;align-items:start;gap:18px;margin-top:18px}
.control-panel,.result-panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 14px 40px rgba(64,57,37,.06)}
.control-panel{display:grid;grid-template-columns:190px minmax(0,1fr) 250px;align-items:end;gap:18px}.control-panel .panel-heading{align-self:center;margin-bottom:0}.control-panel .calculate{height:46px;margin-top:0}
.panel-heading{display:flex;align-items:flex-start;gap:12px;margin-bottom:22px}
.panel-heading h2,.guide-title h2{font-size:20px;margin:0 0 3px}
.panel-heading p,.guide-title>p{margin:0;color:var(--muted);font-size:12px}
.step-num{font:700 11px/26px var(--mono);text-align:center;width:28px;height:28px;border-radius:50%;color:#fff;background:var(--ink);flex:none}
.input-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.field{position:relative}.field>span:first-child{display:block;margin-bottom:6px;color:var(--muted);font-size:12px;font-weight:700}
.field input{width:100%;height:46px;border:1px solid var(--line);border-radius:10px;background:#faf8f1;padding:0 12px;font:700 15px var(--mono);color:var(--ink)}
.target-warning{position:absolute;z-index:5;top:71px;left:0;width:max-content;max-width:220px;padding:8px 10px;border-radius:8px;background:#35352f;color:#fff;font-size:11px;font-weight:700;line-height:1.35;box-shadow:0 5px 14px rgba(39,38,31,.2)}
.target-warning::before{content:"";position:absolute;top:-5px;left:16px;width:10px;height:10px;background:#35352f;transform:rotate(45deg)}
.target-warning[hidden]{display:none}
.number-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;background:#faf8f1;overflow:hidden}
.number-box input{border:0;background:transparent;min-width:0}
.number-box b{padding-right:12px;color:var(--muted);font-size:12px}
.calculate{display:flex;justify-content:space-between;width:100%;margin-top:16px;padding:14px 16px;border:0;border-radius:12px;background:var(--ink);color:white;font-weight:900}
.calculate:hover{background:var(--leaf)}
.route-list{list-style:none;padding:10px 0 0;margin:0}
.route-step{display:grid;grid-template-columns:17px 90px 1fr;gap:10px;position:relative;padding:13px 0}
.route-step:not(:last-child)::after{content:"";position:absolute;left:7px;top:29px;bottom:-13px;width:1px;background:var(--line)}
.route-dot{width:15px;height:15px;margin-top:3px;border:4px solid var(--card);border-radius:50%;background:var(--leaf);box-shadow:0 0 0 1px var(--leaf);z-index:1}
.route-step.bonk .route-dot{background:var(--berry);box-shadow:0 0 0 1px var(--berry)}
.route-step.farm .route-dot{background:var(--gold);box-shadow:0 0 0 1px var(--gold)}
.route-range{font:700 11px/20px var(--mono);color:var(--muted)}
.route-copy strong{font-size:13px}.route-copy p{margin:3px 0 0;color:var(--muted);font-size:11px;line-height:1.55}
.remainder{display:grid;grid-template-columns:auto 1fr;gap:5px 12px;padding:13px 15px;border-top:1px solid var(--line);background:#faf8f1;border-radius:10px;font-size:11px}.remainder span{color:var(--muted)}.remainder b{text-align:right}
.comparison{margin-top:8px;padding:14px;border:1px solid var(--line);border-radius:12px;background:#faf8f1}
.comparison h3{margin:0 0 9px;font-size:12px}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.compare-grid.single{grid-template-columns:1fr}
.compare-grid>div{display:grid;gap:2px;padding:9px;border:1px solid var(--line);border-radius:9px;background:var(--card)}
.compare-grid>div.winner{border-color:var(--leaf);box-shadow:inset 3px 0 0 var(--leaf)}
.compare-grid span,.compare-grid small{color:var(--muted);font-size:9px}.compare-grid b{font:700 11px var(--mono)}
.chosen,.audit{margin:9px 1px 0;color:var(--muted);font-size:10px;line-height:1.55}.chosen b,.audit b{color:var(--ink)}
.guide-section{margin-top:48px}
.guide-title{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:14px}
.guide-title>p{max-width:430px;text-align:right}
.level-map{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.level-item{display:grid;grid-template-columns:75px 1fr auto;gap:10px;align-items:center;min-height:59px;padding:10px 12px;border-bottom:1px solid var(--line)}
.level-item:nth-child(3n+2),.level-item:nth-child(3n+3){border-left:1px solid var(--line)}
.level-item span{font:700 10px var(--mono);color:var(--berry)}.level-item strong{font-size:12px}.level-item em{font-style:normal;font-size:9px;color:var(--muted);white-space:nowrap}
footer{display:flex;justify-content:space-between;gap:20px;margin-top:28px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:10px}footer p{margin:0}
@media(max-width:900px){.control-panel{display:block}.control-panel .panel-heading{margin-bottom:22px}.control-panel .calculate{height:auto;margin-top:16px}.level-map{grid-template-columns:repeat(2,1fr)}.level-item:nth-child(3n+2),.level-item:nth-child(3n+3){border-left:0}.level-item:nth-child(even){border-left:1px solid var(--line)}}
html[data-theme="dark"] body{background:radial-gradient(circle at 88% 6%,rgba(239,193,91,.1),transparent 24rem),var(--paper)}html[data-theme="dark"] .field input,html[data-theme="dark"] .number-box,html[data-theme="dark"] .comparison,html[data-theme="dark"] .remainder{background:#1c201a;color:var(--ink)}html[data-theme="dark"] .compare-grid>div{background:#23271f}html[data-theme="dark"] .global-nav{border-color:#34382f}html[data-theme="dark"] .global-categories a:not(.active){color:#fff}html[data-theme="dark"] .calculate,html[data-theme="dark"] .step-num{background:#315d3f;color:#fff}
@media(max-width:600px){.global-nav-inner{width:100%;height:50px;padding-left:12px}.global-brand{font-size:22px}.global-categories a{min-width:82px;padding:0 8px}.theme-toggle{margin-left:6px}.app-shell{width:min(100% - 20px,1180px);padding-top:22px}.topbar{align-items:flex-start;flex-direction:column}.workspace{margin-top:10px}.control-panel,.result-panel{padding:17px;border-radius:14px}.input-grid{grid-template-columns:1fr}.route-step{grid-template-columns:17px 72px 1fr}.compare-grid{grid-template-columns:1fr}.level-map{grid-template-columns:1fr}.level-item:nth-child(even){border-left:0}.guide-title,footer{display:block}.guide-title>p{text-align:left;margin-top:8px}footer p+ p{margin-top:5px}}
@media(prefers-reduced-motion:no-preference){.calculate{transition:.18s ease}.route-step{animation:rise .3s ease both}.route-step:nth-child(2){animation-delay:.05s}.route-step:nth-child(3){animation-delay:.1s}.route-step:nth-child(4){animation-delay:.15s}@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}}