:root{
  --forest:#0a3d2b;--forest2:#123f2c;--green:#78a73d;--green2:#5f9230;
  --cream:#f7f2e7;--paper:#fffdf8;--line:#e8e0d0;--ink:#203227;--muted:#6e7a71;
  --red:#e85e4b;--orange:#ef9b35;--yellow:#e9bd3d;--blue:#4a82d3;
  --shadow:0 8px 26px rgba(33,60,38,.07)
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:#f3eee3;color:var(--ink);
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
button{cursor:pointer}
.icon-sprite{display:none}
.ico{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}

/* ---------- shell ---------- */
.app-shell{min-height:100vh;display:grid;grid-template-columns:214px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;overflow:hidden;color:#fff;padding:14px;z-index:10;
  background:linear-gradient(180deg,#0a3828,#0c3e2c 72%,#174b31)}
.brand{height:64px;display:flex;align-items:center}
.brand img{width:180px;max-height:66px;object-fit:contain;object-position:left center}
.side-nav{display:grid;gap:3px}
.nav-item{border:0;background:transparent;color:#e9f2e9;border-radius:10px;padding:10px 12px;
  display:flex;align-items:center;gap:11px;font-weight:700;text-align:left;font-size:14px;
  transition:background .18s,transform .18s}
.nav-item .ico{width:19px;height:19px;opacity:.92}
.nav-item:hover{background:rgba(255,255,255,.08)}
.nav-item.active{background:linear-gradient(90deg,#78aa3f,#5d9132);box-shadow:0 6px 14px rgba(0,0,0,.16)}
.side-meta{margin-top:10px;border-top:1px solid rgba(255,255,255,.1);padding:13px 6px;
  font-size:12px;color:#d6e5d8}
.side-meta div{margin:5px 0 10px;font-weight:700;color:#fff}
.source-btn{width:100%;padding:9px 10px;border:1px solid rgba(255,255,255,.14);border-radius:9px;
  background:rgba(255,255,255,.07);color:#fff;display:flex;align-items:center;gap:8px}
.source-btn:hover{background:rgba(255,255,255,.13)}
.ai-card{position:absolute;left:14px;right:14px;bottom:118px;border:1px solid rgba(255,255,255,.14);
  border-radius:15px;padding:12px;display:grid;grid-template-columns:56px 1fr;gap:8px;
  background:linear-gradient(145deg,rgba(15,76,46,.95),rgba(71,108,47,.9));
  box-shadow:0 10px 24px rgba(0,0,0,.16)}
.ai-card img{width:60px;height:60px;object-fit:contain}
.ai-card b{font-size:15px}
.ai-card small{display:block;margin-top:3px;line-height:1.5;color:#e3ede2;font-size:11px}
.ai-card button{grid-column:1/-1;border:0;border-radius:18px;padding:8px;background:#78a93f;
  color:#fff;font-weight:700}
.ai-card button:hover{background:#87ba48}
.farm-foot{position:absolute;left:0;right:0;bottom:0;width:214px;height:110px;object-fit:cover;
  opacity:.95;pointer-events:none}
.main{min-width:0;padding:0 22px 26px;background:linear-gradient(#fffdf8,#f5efe3)}

/* ---------- topbar ---------- */
.topbar{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.headline{position:relative}
.headline h1{margin:0;font-size:23px;letter-spacing:.5px}
.headline .leaf-accent{position:absolute;right:-104px;top:-10px;width:104px;height:58px;
  object-fit:contain;opacity:.55;transform:rotate(-6deg)}
.toolbar{display:flex;gap:10px;align-items:center}
.select-control,.date-control{height:42px;display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:10px;background:#fff;padding:0 10px;color:#5b6a5f}
.select-control select,.date-control input{border:0;outline:none;background:transparent;color:var(--ink)}
.select-control select{min-width:96px;font-weight:600}
.date-control span{font-size:12px;font-weight:700;background:#f6f0e3;align-self:stretch;display:flex;
  align-items:center;margin-left:-10px;padding:0 10px;border-radius:9px 0 0 9px;color:#5d6b5f}
.bell{position:relative;border:1px solid var(--line);background:#fff;border-radius:10px;height:42px;
  width:42px;display:grid;place-items:center;color:#5b6a5f}
.bell i{position:absolute;top:9px;right:10px;width:7px;height:7px;border-radius:50%;background:#e2503c}
.profile{width:38px;height:38px;border-radius:50%;overflow:hidden;background:#e1eadf;display:grid;
  place-items:center;border:1px solid var(--line)}
.profile img{width:34px;height:34px;object-fit:contain;margin-top:4px}

/* ---------- hero ---------- */
.main{position:relative}
.main::before{content:"";position:absolute;left:0;right:0;top:0;height:158px;z-index:0;
  background:url("./assets/hero_field.png") center bottom/cover no-repeat;opacity:.92;
  -webkit-mask-image:linear-gradient(180deg,#000 0,#000 52%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0,#000 52%,transparent 100%);pointer-events:none}
.topbar,.page{position:relative;z-index:1}
.hero-farmers{position:absolute;right:196px;top:62px;width:206px;height:78px;object-fit:contain;
  object-position:right bottom;z-index:3;pointer-events:none}

/* ---------- cards ---------- */
.page{display:none}.page.active{display:block}
.inner-page{padding-top:10px}
.inner-page>h2{font-size:27px;margin:5px 0}
.inner-page>p{color:var(--muted)}
.card{background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:13px;
  box-shadow:var(--shadow);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 100% 0%,rgba(160,196,120,.10),transparent 60%)}
.pad{padding:16px}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px}
.section-title h2{font-size:15.5px;margin:0}
.section-title small{font-weight:500;color:#68716b;font-size:12px}
.section-title select{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 9px;
  font-size:12px;color:#4d5b51}
.ghost,.full-btn{border:0;background:#f6f4ee;color:#2d6a38;border-radius:8px;padding:7px 11px;
  font-weight:700;font-size:12px;transition:background .18s}
.ghost:hover,.full-btn:hover{background:#eaf1e2}
.full-btn{width:100%;margin-top:7px}

/* ---------- alerts ---------- */
.alert-panel{padding:12px 14px;margin-bottom:11px;margin-top:4px}
.alerts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.alert-item{display:grid;grid-template-columns:70px 1fr auto;align-items:center;gap:8px;
  min-height:94px;border:1px solid #eee7da;border-radius:12px;padding:10px;background:#fff;
  transition:transform .18s,box-shadow .18s}
.alert-item:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(40,66,44,.09)}
.alert-item img{width:74px;height:74px;object-fit:contain}
.alert-item b{display:block;font-size:15px}
.alert-item small{display:block;color:#69726b;margin-top:4px;font-size:11.5px}
.alert-item strong{font-size:19px}
.risk{align-self:start;font-size:11px;font-weight:700;border-radius:13px;padding:5px 9px;white-space:nowrap}
.risk.high{background:#ffeeea;color:#df5b48}
.risk.mid{background:#fff5dd;color:#c88a18}
.risk.low{background:#ecf7e7;color:#44883c}

/* ---------- main grid ---------- */
.grid-main{display:grid;grid-template-columns:minmax(300px,.95fr) minmax(440px,1.4fr) minmax(320px,1.02fr);gap:11px}
.grid-main>.card{padding:12px;min-height:268px}

/* ---------- map ---------- */
.map-wrap{display:grid;grid-template-columns:100px 1fr;gap:2px;min-height:330px}
.map-legend{display:grid;align-content:start;gap:9px;padding-top:6px;font-size:11.5px;color:#55625a}
.map-legend i{display:inline-block;width:12px;height:12px;border-radius:3px;margin-right:7px;
  vertical-align:-1px}
.map-legend .r{background:#ec6755}.map-legend .o{background:#f19a3b}
.map-legend .y{background:#edc34a}.map-legend .g{background:#84ad4e}.map-legend .n{background:#c8cec9}
.map-stage{position:relative;min-height:330px}
#twMap{width:100%;height:352px;display:block;overflow:visible}
#twLayer{transition:transform .25s ease}
.reg{stroke:#fff;stroke-width:1.1;cursor:pointer;transition:filter .16s,stroke .16s;fill:#c8cec9}
.reg.r{fill:#ec6755}.reg.o{fill:#f19a3b}.reg.y{fill:#edc34a}.reg.g{fill:#84ad4e}.reg.n{fill:#c8cec9}
.reg:hover{filter:brightness(1.07) saturate(1.05)}
.reg.active{stroke:#2c5c37;stroke-width:2.2;filter:drop-shadow(0 3px 6px rgba(30,60,35,.28))}
.map-bubble{position:absolute;left:8px;top:150px;border:1px solid #e7dfd0;background:#fff;
  border-radius:10px;padding:9px 12px;box-shadow:0 10px 25px rgba(34,60,40,.14);display:grid;gap:4px;
  font-size:11.5px;pointer-events:none;transition:opacity .15s;max-width:170px}
.map-bubble b{font-size:13px}
.map-bubble strong{color:var(--red)}
.map-bubble.hide{opacity:0}
.map-zoom{position:absolute;right:4px;bottom:6px;display:grid;gap:4px}
.map-zoom button{width:28px;height:28px;border:1px solid var(--line);background:#fff;border-radius:8px;
  font-size:15px;line-height:1;color:#4d5b51;display:grid;place-items:center}
.map-zoom button:hover{background:#f4f1e9}

/* ---------- charts ---------- */
.chart-legend{display:flex;gap:14px;flex-wrap:wrap;font-size:11px;margin:2px 0 4px;color:#6c7770}
.chart-legend span{display:inline-flex;align-items:center;gap:5px}
.chart-legend span::before{content:"";width:14px;height:3px;border-radius:2px;background:currentColor}
.c-green{color:#6c9d3c}.c-blue{color:#477fd0}.c-orange{color:#e88a2a}
.chart-box{position:relative;height:236px}
.chart-box.tall{height:420px}
.chart-box canvas{display:block;width:100%;height:100%}
.chart-tip{position:absolute;pointer-events:none;background:#fff;border:1px solid #e7dfd0;
  border-radius:9px;padding:8px 10px;font-size:11px;box-shadow:0 10px 24px rgba(34,60,40,.16);
  display:grid;gap:3px;opacity:0;transition:opacity .12s;min-width:118px}
.chart-tip.show{opacity:1}
.chart-tip b{font-size:11.5px;margin-bottom:2px}
.chart-tip i{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px}
.chart-tip span{display:flex;align-items:center;justify-content:space-between;gap:10px}
.warning-bar{margin-top:6px;border-radius:8px;background:#fff0ec;color:#df5747;padding:8px;
  text-align:center;font-size:12px;font-weight:700}
.warning-bar.ok{background:#eef7e8;color:#468a3d}

/* ---------- recommend ---------- */
.ai-recommend #recommendList{display:grid;gap:2px}
.rec-row{display:grid;grid-template-columns:24px 52px 1fr auto;gap:8px;align-items:center;
  padding:7px 4px;border-bottom:1px solid #eee7d9}
.rec-row:last-child{border-bottom:0}
.rec-row img{width:54px;height:54px;object-fit:contain}
.rec-row .rank{font-size:21px;font-weight:800;color:#3e5c44;text-align:center}
.rec-row .roi{font-size:12px;color:#6a736c}
.rec-row strong{color:#338b42;font-size:17px;margin-left:4px}
.rec-row small{display:block;font-size:11.5px;color:#69726b;margin-top:3px}
.tag{font-size:11px;border-radius:13px;padding:5px 8px;background:#e9f5df;color:#428336;font-weight:700;
  white-space:nowrap}
.tag.warn{background:#fff2d4;color:#956f16}
.tag.bad{background:#ffeeea;color:#df5b48}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;font-size:12px}
th{text-align:left;color:#69736d;font-weight:500;border-bottom:1px solid #eee5d7;padding:7px 5px;
  font-size:11.5px}
td{padding:8px 5px;border-bottom:1px solid #f0e9dc}
tbody tr:last-child td{border-bottom:0}
.up{color:#df5c49;font-weight:700}
.down{color:#41904a;font-weight:700}
.mk{display:inline-grid;place-items:center;width:19px;height:19px;border-radius:50%;color:#fff;
  font-size:10px;font-weight:700;margin-right:7px;vertical-align:-4px}
.mk.b{background:#4a82d3}.mk.g{background:#5f9230}.mk.o{background:#ef9b35}.mk.p{background:#9a6ec9}

/* ---------- history tabs ---------- */
.tabs{display:flex;gap:3px;margin-bottom:6px}
.tabs button{border:0;border-radius:7px;background:transparent;padding:6px 14px;font-weight:700;
  font-size:12px;color:#5f6b62}
.tabs button.active{background:#7aa43e;color:#fff}

/* ---------- climate ---------- */
.weather-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.weather-box{border:1px solid #eee5d7;border-radius:10px;background:#fff;padding:10px;display:flex;
  gap:9px;align-items:flex-start}
.weather-box .wx{width:28px;height:28px;flex:none;fill:none;stroke:#5b93c9;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round}
.weather-box div{font-size:11px;display:grid;color:#6d766f}
.weather-box b{font-size:13.5px;margin:3px 0;color:var(--ink)}
.impact{margin-top:10px;font-size:11.5px}
.impact>div{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:7px}
.impact span{background:#fff8e9;border-radius:7px;padding:7px 8px}
.impact em{float:right;border-radius:50%;font-style:normal;width:20px;height:20px;display:grid;
  place-items:center;background:#ffd978;color:#8a6206;font-weight:700;font-size:11px}
.impact em.low{background:#dff0d5;color:#48883e}

/* ---------- quick ---------- */
.quick-card{margin-top:11px;padding:12px}
.quick-card h2{font-size:15.5px;margin:0 0 9px}
.quick-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.quick-grid button{border:1px solid #eee7da;background:linear-gradient(#fdfdfa,#f4f2ea);border-radius:11px;
  padding:11px;text-align:left;display:flex;gap:9px;align-items:center;transition:transform .18s,box-shadow .18s}
.quick-grid button:hover{transform:translateY(-2px);box-shadow:0 10px 20px rgba(40,66,44,.09)}
.qi{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;flex:none}
.qi .ico{width:19px;height:19px}
.qi.g{background:#e9f4de;color:#4c8a35}.qi.b{background:#e6effa;color:#4076c0}
.qi.p{background:#f0e9fa;color:#7c58b8}.qi.o{background:#fdf0dd;color:#c4841f}
.qi.c{background:#e4f2f4;color:#3c8b95}
.quick-grid span{display:grid}
.quick-grid b{font-size:12.5px}
.quick-grid small{font-size:10.5px;color:#747c76;margin-top:2px}

/* ---------- inner pages ---------- */
.data-row{display:grid;grid-template-columns:1.1fr .8fr .8fr .8fr 1.2fr;gap:10px;
  border-bottom:1px solid #ece6db;padding:10px 6px;font-size:13px}
.data-row:last-child{border-bottom:0}
.data-row.head{font-weight:700;color:#69736c;background:#faf7f1;border-radius:8px}
.calculator{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:700px}
.calculator label{font-weight:700;font-size:13px}
.calculator input{width:100%;margin-top:5px;padding:10px;border:1px solid #ddd7ca;border-radius:9px}
.calculator button{grid-column:1/-1;border:0;border-radius:9px;background:#6e9f39;color:#fff;padding:11px;
  font-weight:700}
.calculator #calcResult{grid-column:1/-1;background:#f1f6e8;border-radius:10px;padding:14px;font-size:13px}
.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}
.scenario{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;
  box-shadow:var(--shadow)}
.scenario .icon{font-size:34px;line-height:1}
.scenario b{display:block;margin:9px 0 2px}
.scenario small{display:block;color:#6f796f;margin-top:4px;font-size:12px}

/* ---------- overlays ---------- */
.modal{position:fixed;inset:0;background:rgba(12,43,31,.48);display:grid;place-items:center;padding:20px;
  z-index:100}
.modal.hidden{display:none}
.modal-card{position:relative;width:min(650px,94vw);background:#fffdf7;border-radius:16px;padding:22px;
  box-shadow:0 20px 60px rgba(0,0,0,.25)}
.modal-card h2{margin:0 0 10px;font-size:19px}
.modal-card p{line-height:1.7;color:#4a564d}
.close{position:absolute;right:10px;top:7px;border:0;background:transparent;font-size:28px;color:#7d867f}
.toast{position:fixed;right:20px;bottom:20px;background:#163f2d;color:#fff;padding:11px 16px;
  border-radius:9px;opacity:0;transform:translateY(12px);transition:.2s;z-index:120;font-size:13px}
.toast.show{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media(min-width:2000px){
  .app-shell{grid-template-columns:252px minmax(0,1fr)}
  .sidebar{padding:18px}.brand img{width:206px}.farm-foot{width:252px}
  .main{padding:0 30px 32px}.topbar{height:90px}.headline h1{font-size:27px}
  .grid-main{grid-template-columns:1fr 1.45fr 1.06fr;gap:14px}
  .grid-main>.card{padding:15px}
  .chart-box{height:270px}#twMap{height:360px}
  .nav-item{padding:12px 15px;font-size:15px}.side-nav{gap:5px}
  .hero-strip{height:70px}.hero-landscape{height:94px}
  .hero-farmers{width:320px;height:134px;bottom:-18px}
  .alert-item img{width:82px;height:82px}
}
@media(max-width:1300px){
  .grid-main{grid-template-columns:1fr 1.3fr}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:900px){
  .app-shell{display:block}
  .sidebar{position:relative;height:auto;padding-bottom:14px}
  .brand{height:auto}
  .side-nav{grid-template-columns:repeat(3,1fr);display:grid}
  .side-meta,.ai-card,.farm-foot{display:none}
  .main{padding:0 12px 22px}
  .topbar{height:auto;padding:12px 0;align-items:flex-start;flex-direction:column}
  .toolbar{width:100%;flex-wrap:wrap}
  .headline .leaf-accent,.hero-strip{display:none}
  .alerts{grid-template-columns:1fr 1fr}
  .grid-main{grid-template-columns:1fr}
  .quick-grid,.scenario-grid{grid-template-columns:1fr 1fr}
  .map-wrap{grid-template-columns:1fr}
  .map-legend{grid-template-columns:repeat(3,1fr);display:grid}
}
@media(max-width:560px){
  .side-nav{grid-template-columns:1fr 1fr}
  .alerts,.quick-grid,.scenario-grid{grid-template-columns:1fr}
  .alert-item{grid-template-columns:60px 1fr auto}
  .toolbar{align-items:stretch}
  .date-control,.select-control{flex:1}
  .calculator{grid-template-columns:1fr}
  .data-row{grid-template-columns:1fr 1fr;gap:4px}
}

/* chart tooltip rows */
.chart-tip em{font-style:normal;display:inline-flex;align-items:center;color:#6d766f}
.chart-tip span b{color:var(--ink)}