/* Layout: seed-catalog tool. Left rail = the bed you have (sun) and the crops you want; right = the solver's three-season plan on garden graph paper, then the encoding itself. */
:root{
  --bg:#edf0e6; --surface:#f8faf3; --ink:#1e2a1b; --muted:#5a6855; --line:#cbd3c0; --accent:#3d6a29; --accent-ink:#ffffff; --soil:#6b4a32; --warn:#a6402c;
  --sun-full:#f3e3a0; --sun-part:#e2e3c9; --sun-shade:#c3cdd4; --hatch:rgba(30,42,27,.28); --link:#2d5f1c;
  --f-solanaceae:#b83a32; --f-lamiaceae:#2f7d58; --f-poaceae:#8f6b14; --f-fabaceae:#557a24; --f-cucurbitaceae:#23767a; --f-asteraceae:#5f63a8; --f-tropaeolaceae:#b04373; --f-apiaceae:#b9581a; --f-amaranthaceae:#8c2f5c; --f-brassicaceae:#3a5f9e; --f-amaryllidaceae:#75528a;
  --display:"Young Serif", Georgia, "Times New Roman", serif;
  --body:"Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --r:6px;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#131a11; --surface:#1b2418; --ink:#e2e9d8; --muted:#9ba892; --line:#2f3b2a; --accent:#94c46e; --accent-ink:#13200c; --soil:#c89c78; --warn:#f08a6e;
  --sun-full:#4c4521; --sun-part:#353a29; --sun-shade:#253039; --hatch:rgba(226,233,216,.22); --link:#b6e08f; color-scheme:dark }}
:root[data-theme="dark"]{
  --bg:#131a11; --surface:#1b2418; --ink:#e2e9d8; --muted:#9ba892; --line:#2f3b2a; --accent:#94c46e; --accent-ink:#13200c; --soil:#c89c78; --warn:#f08a6e;
  --sun-full:#4c4521; --sun-part:#353a29; --sun-shade:#253039; --hatch:rgba(226,233,216,.22); --link:#b6e08f; color-scheme:dark }

body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.5;
  padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px));padding-block:28px 56px}
.wrap{max-width:1240px;margin:0 auto;display:flex;flex-direction:column;gap:28px}
h1,h2,h3{font-family:var(--display);font-weight:400;text-wrap:balance;margin:0;line-height:1.15}
h1{font-size:clamp(2rem,4.5vw,3rem)}
h2{font-size:1.45rem}
h3{font-size:1.05rem}
p{margin:0}
.eyebrow{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
header{display:flex;flex-direction:column;gap:10px;max-width:68ch}
header .lede{color:var(--muted);font-size:1.02rem}
code,kbd{font-family:var(--mono);font-size:.88em}

.app{display:grid;grid-template-columns:minmax(300px,370px) minmax(0,1fr);gap:24px;align-items:start}
@media (max-width:920px){.app{grid-template-columns:minmax(0,1fr)}}
.rail{display:flex;flex-direction:column;gap:18px;min-width:0}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.panel-h{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.hint{font-size:.82rem;color:var(--muted)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
label.field{display:flex;flex-direction:column;gap:4px;font-size:.78rem;color:var(--muted);font-weight:600}
select,button{font:inherit;color:inherit}
select{background:var(--bg);border:1px solid var(--line);border-radius:4px;padding:5px 8px}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* sun painter */
.brushes{display:flex;gap:6px;flex-wrap:wrap}
.brush{display:flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--bg);border-radius:999px;padding:4px 11px 4px 6px;font-size:.84rem}
.brush i{width:16px;height:16px;border-radius:50%;border:1px solid var(--hatch);display:block}
.brush[aria-pressed="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);font-weight:600}
.compass{display:flex;justify-content:space-between;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600}
.paint{display:grid;gap:2px;touch-action:none;user-select:none;background:var(--line);border:2px solid var(--soil);border-radius:3px;padding:2px}
.paint div{aspect-ratio:1;border-radius:2px;display:grid;place-items:center;font-size:.62rem;color:var(--muted);font-family:var(--mono)}
.s3{background:var(--sun-full)} .s2{background:var(--sun-part)} .s1{background:var(--sun-shade)}

/* crops */
.crop-group{display:flex;flex-direction:column;gap:2px}
.crop-group h3{font-family:var(--body);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:600;margin:6px 0 4px}
.crop{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;padding:4px 2px;border-radius:4px}
.crop input{width:16px;height:16px;accent-color:var(--accent);margin:0}
.crop label{display:flex;gap:9px;align-items:center;min-width:0;cursor:pointer}
.crop .nm{display:flex;flex-direction:column;line-height:1.2;min-width:0}
.crop .nm small{color:var(--muted);font-size:.74rem}
.crop.off .nm,.crop.off .sw{opacity:.45}
.sw{flex:none;width:26px;height:26px;border-radius:4px;background:var(--c);color:#fff;font-weight:700;font-size:.72rem;display:grid;place-items:center;letter-spacing:.02em}
.step{display:flex;align-items:center;border:1px solid var(--line);border-radius:4px;overflow:hidden}
.step button{background:var(--bg);border:0;width:26px;height:26px;font-weight:600}
.step output{min-width:26px;text-align:center;font-variant-numeric:tabular-nums;font-size:.86rem}
.crop.off .step{visibility:hidden}

/* actions */
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:end}
.btn{border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);border-radius:4px;padding:8px 16px;font-weight:600}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn:disabled{opacity:.45;cursor:default}
.toggle{display:flex;gap:7px;align-items:center;font-size:.84rem}
.toggle input{accent-color:var(--accent);width:16px;height:16px;margin:0}

/* results */
.results{display:flex;flex-direction:column;gap:18px;min-width:0}
.status{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:.9rem}
.pill{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:3px 11px;font-size:.78rem;font-weight:600;border:1px solid var(--line);background:var(--surface)}
.pill.ok{border-color:var(--accent);color:var(--accent)}
.pill.busy::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1s infinite}
.pill.err{border-color:var(--warn);color:var(--warn)}
@keyframes pulse{50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){.pill.busy::before{animation:none}}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:560px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
.stat{border-top:2px solid var(--ink);padding-top:6px;display:flex;flex-direction:column;gap:2px}
.stat b{font-family:var(--display);font-weight:400;font-size:1.6rem;font-variant-numeric:tabular-nums;line-height:1.1}
.stat span{font-size:.76rem;color:var(--muted)}
.stat.bad{border-top-color:var(--warn)} .stat.bad b{color:var(--warn)}

.boards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.board{display:flex;flex-direction:column;gap:6px;min-width:0}
.board-h{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.board-h small{color:var(--muted);font-size:.76rem}
.bedwrap{position:relative;border:3px solid var(--soil);border-radius:3px;background:var(--line)}
.bed{display:grid;gap:1px}
.sq{position:relative;aspect-ratio:1;border:0;padding:0;min-width:0}
.sq.shaded::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,var(--hatch) 0 2px,transparent 2px 6px);pointer-events:none}
.sq .chip{position:absolute;inset:18%;border-radius:4px;background:var(--c);color:#fff;font-weight:700;font-size:clamp(.58rem,1.4vw,.74rem);display:grid;place-items:center;box-shadow:0 1px 0 rgba(0,0,0,.18)}
.sq .tall{position:absolute;right:3px;top:1px;font-size:.5rem;line-height:1;z-index:1;color:var(--ink);opacity:.75}
.sq.sel{outline:2px solid var(--ink);outline-offset:-2px;z-index:2}
.links{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.78rem;color:var(--muted)}
.legend span{display:inline-flex;gap:6px;align-items:center}
.legend i{width:12px;height:12px;border-radius:3px;display:inline-block;background:var(--c)}
.legend i.hatch{background:repeating-linear-gradient(135deg,var(--hatch) 0 2px,var(--sun-full) 2px 5px)}
.legend i.ln{height:2px;width:16px;border-radius:0;background:var(--link)}

.lower{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:16px}
@media (max-width:760px){.lower{grid-template-columns:minmax(0,1fr)}}
.detail dl{display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0;font-size:.88rem}
.detail dt{color:var(--muted)}
.detail dd{margin:0}
.tally{display:flex;flex-wrap:wrap;gap:6px}
.tally > span{display:inline-flex;align-items:center;gap:5px;font-size:.78rem;font-variant-numeric:tabular-nums;border:1px solid var(--line);border-radius:4px;padding:2px 7px 2px 2px;background:var(--bg)}
.tally > span .sw{width:20px;height:20px;font-size:.62rem}
.tally > span.short{border-color:var(--warn);color:var(--warn)}

/* encoding */
.enc{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:24px;align-items:start}
@media (max-width:920px){.enc{grid-template-columns:minmax(0,1fr)}}
.rules{display:flex;flex-direction:column;gap:12px;max-width:62ch}
.rules ol{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:8px}
.rules li::marker{font-family:var(--display);color:var(--accent)}
pre{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;overflow-x:auto;font-family:var(--mono);font-size:.8rem;line-height:1.55;max-height:560px}
pre .c{color:var(--muted);font-style:italic}
pre .k{color:var(--accent);font-weight:500}
.codehead{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.codehead .row{gap:6px}
.smallbtn{font-size:.78rem;padding:4px 10px;border:1px solid var(--line);background:var(--surface);border-radius:4px}
.smallbtn[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);font-weight:600}
footer{font-size:.78rem;color:var(--muted);max-width:75ch}

.spacer{flex:1}
[hidden]{display:none!important}
*,*::before,*::after{box-sizing:border-box}
body{margin:0}
@media print{
  body{background:#fff;color:#000;padding:0}
  .rail,.actions,.enc,.lower .detail,footer,header .lede{display:none!important}
  .app{grid-template-columns:1fr}
  .boards{grid-template-columns:repeat(3,1fr)}
  .stat{border-top-color:#000}
}
.filebtns{display:flex;gap:8px;flex-wrap:nowrap}
.site-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding-bottom:14px}
.site-nav a{color:var(--ink);text-decoration:none}
.site-nav a:hover{text-decoration:underline}
.site-brand{font-family:var(--display);font-size:1.2rem}
.site-nav .back{font-size:.9rem}