:root{
  --bg:#EAF0F1; --panel:#FFFFFF; --ink:#132A31; --muted:#557077; --line:#C9D6D9;
  --river:#2F7F9B; --river-deep:#0F4C62; --ok:#2E7D4F; --watch:#B8860B; --prep:#D0661A; --evac:#B3261E; --focus:#0F4C62;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0D1A1E; --panel:#132429; --ink:#E4EEF0; --muted:#93AEB4; --line:#27404A;
  --river:#4FA6C4; --river-deep:#8FD0E6; --ok:#5FBF86; --watch:#E0B341; --prep:#F08A45; --evac:#F06A5E; --focus:#8FD0E6;}}
*,*::before,*::after{box-sizing:inherit}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"IBM Plex Sans Thai","Noto Sans JP",Tahoma,"Hiragino Sans","Yu Gothic","Hiragino Sans","Yu Gothic","Leelawadee UI","Noto Sans Thai",sans-serif;line-height:1.6;-webkit-text-size-adjust:100%}
main{max-width:760px;margin:0 auto;padding:16px 16px 48px}
h1{font-size:1.5rem;line-height:1.25;margin:4px 0 2px}
h2{font-size:1.15rem;margin:0 0 4px;font-weight:600}
h3{font-size:1rem;margin:20px 0 6px}
p{margin:0 0 8px}
.sub{color:var(--muted);font-size:.9rem}.small{font-size:.8rem}
.num{font-variant-numeric:tabular-nums}
section{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;margin-top:14px}
a{color:var(--river-deep)}
button,input,select,textarea{font:inherit;color:inherit}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 10px}
button{cursor:pointer;border:0;border-radius:8px;padding:10px 14px;background:var(--river-deep);color:var(--panel);font-weight:600}
button.ghost{background:transparent;color:var(--river-deep);border:1px solid var(--line)}
button:disabled{opacity:.6;cursor:wait}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
label{display:block;font-size:.85rem;color:var(--muted);margin-bottom:3px}
.grid{display:grid;gap:10px;grid-template-columns:1fr 1fr}.grid .full{grid-column:1/-1}.grid .end{display:flex;align-items:flex-end}
.grid .end button{width:100%}
@media (max-width:420px){.grid{grid-template-columns:1fr}}
.hidden{display:none!important}
.status{border-radius:14px;padding:14px 16px;margin-top:12px;color:#fff;background:var(--lvl,#557077)}
.status strong{font-size:1.35rem;display:block;line-height:1.3}
.status .note{font-size:.95rem;margin-top:4px;white-space:pre-line}
.status .when{opacity:.85;font-size:.8rem;margin-top:6px}
.hero{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:center}
@media (max-width:520px){.hero{grid-template-columns:1fr}}
.bignum{font-size:3rem;line-height:1;font-weight:700;color:var(--river-deep)}
.bignum small{font-size:1rem;font-weight:500;color:var(--muted);margin-left:4px}
.eta{padding:10px 12px;border-left:4px solid var(--prep);background:var(--bg);border-radius:0 8px 8px 0}
.eta b{font-size:1.2rem}
/* chain */
.chain{list-style:none;margin:12px 0 0;padding:0;position:relative}
.chain::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--river)}
.chain li{position:relative;padding:0 0 14px 32px}
.chain li::before{content:"";position:absolute;left:3px;top:8px;width:16px;height:16px;border-radius:50%;background:var(--panel);border:3px solid var(--dot,var(--river))}
.chain li.factory::before{background:var(--evac);border-color:var(--evac)}
.st{width:100%;text-align:left;background:transparent;color:var(--ink);padding:4px 0;font-weight:400;border-radius:6px}
.st-top{display:flex;justify-content:space-between;gap:10px;align-items:baseline}
.st-name{font-weight:600}
.st-val{font-weight:700;white-space:nowrap}
.st-meta{display:flex;flex-wrap:wrap;gap:6px 10px;font-size:.82rem;color:var(--muted);margin-top:2px}
.chip{display:inline-block;padding:0 8px;border-radius:999px;font-size:.78rem;font-weight:600;color:#fff;background:var(--c,var(--muted))}
.bar{height:6px;border-radius:3px;background:var(--line);position:relative;margin-top:5px;max-width:260px}
.bar i{position:absolute;left:0;top:0;bottom:0;border-radius:3px;max-width:100%}
.spark{margin-top:8px}
.chart,.spark svg{width:100%;height:auto;display:block}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--muted);font-weight:500}
.counts{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:10px 0}
@media (max-width:420px){.counts{grid-template-columns:repeat(2,1fr)}}
.count{background:var(--bg);border-radius:10px;padding:8px 10px}
.count b{display:block;font-size:1.6rem;line-height:1.1}
.count span{font-size:.8rem;color:var(--muted)}
.msg{font-size:.85rem;margin-top:8px;min-height:1.2em}.msg.err{color:var(--evac)}
.contacts{display:grid;gap:8px}
.contacts a{display:flex;justify-content:space-between;gap:10px;padding:10px 12px;background:var(--bg);border-radius:10px;text-decoration:none;color:var(--ink)}
.contacts a b{color:var(--river-deep)}
.admin{margin-top:14px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:12px 16px}
.admin summary{cursor:pointer;font-weight:600;color:var(--river-deep)}
.admin[open] summary{margin-bottom:10px}
.lvl-btns{display:flex;flex-wrap:wrap;gap:6px}
.lvl-btns button{background:var(--bg);color:var(--ink);border:1px solid var(--line)}
.lvl-btns button[aria-pressed="true"]{background:var(--c);color:#fff;border-color:var(--c)}

/* flow map */
.flowwrap{margin-top:10px;background:var(--bg);border-radius:12px;overflow:hidden}
.flow{width:100%;height:auto;display:block;max-height:80vh}
.flow .riv{fill:none;stroke:var(--river);stroke-linecap:round;stroke-linejoin:round;opacity:.35}
.flow .cur{fill:none;stroke:var(--river);stroke-linecap:round;stroke-dasharray:3 14;animation:cur var(--dur,3s) linear infinite}
@keyframes cur{to{stroke-dashoffset:-34}}
.flow .front{animation:pulse 1.6s ease-out infinite;transform-box:fill-box;transform-origin:center}
@keyframes pulse{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.2);opacity:0}}
.flow .mk{cursor:pointer}
.flow .mk:focus-visible circle{stroke:var(--focus);stroke-width:4}
.flow text{font-family:inherit}
@media (prefers-reduced-motion:reduce){.flow .cur,.flow .front{animation:none}}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:.8rem;color:var(--muted);margin-top:8px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:5px;vertical-align:middle}

/* real map */
.map{height:min(70vh,520px);border-radius:12px;margin-top:10px;background:var(--bg);z-index:0}
.pin{width:18px;height:18px;border-radius:50%;background:var(--c);border:3px solid #fff;box-shadow:0 1px 4px rgba(0,0,0,.35)}
.pin.approx{border-style:dashed;border-color:var(--ink);opacity:.85}
.pin.dam{border-radius:4px;width:20px;height:14px;background:#0F4C62}
.pin.fac{width:auto;height:auto;border-radius:6px;padding:2px 8px;background:#B3261E;color:#fff;font-weight:700;font-size:12px;white-space:nowrap;border:2px solid #fff}
.pin.front{background:#D0661A;animation:pulse2 1.6s ease-out infinite}
@keyframes pulse2{0%{box-shadow:0 0 0 0 rgba(208,102,26,.7)}100%{box-shadow:0 0 0 18px rgba(208,102,26,0)}}
@media (prefers-reduced-motion:reduce){.pin.front{animation:none}}
.leaflet-container{font-family:inherit}
.leaflet-popup-content{font-size:13px;line-height:1.5;margin:10px 12px}
.leaflet-popup-content b{font-size:14px}
.pop-val{font-size:15px;font-weight:700}

/* brand header */
.brand{display:flex;align-items:center;gap:14px;margin:2px 0 6px;justify-content:space-between}
.brand img{height:40px;width:auto;display:block}
.brand p{margin:0;font-size:.9rem;line-height:1.4}
@media (max-width:380px){.brand img{height:32px}.brand p{margin:0;font-size:.9rem;line-height:1.4}}

/* dam plan */
.plan-next{margin:8px 0 0;padding:8px 10px;border:1px dashed var(--river);border-radius:8px;font-size:.88rem}
.plan-next b{color:var(--river-deep)}
tr.plan td{color:var(--muted)}
tr.plan td b{color:var(--river-deep)}
.del{background:transparent;color:var(--evac);border:1px solid var(--line);padding:3px 9px;font-size:.8rem;font-weight:600}

/* travel + rain */
.eta-data{margin-top:8px;padding-top:8px;border-top:1px dashed var(--line);font-size:.9rem}
.eta-data b{font-size:1.05rem}
.rain-near{margin:8px 0;padding:8px 10px;background:var(--bg);border-radius:8px;font-size:.92rem}
.rain-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px;vertical-align:middle}

/* language switcher */
.brand{flex-wrap:wrap}
.lang{margin-left:auto;display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--panel)}
.lang button{background:transparent;color:var(--ink);border:0;border-radius:0;padding:6px 11px;font-size:.85rem;font-weight:600}
.lang button[aria-pressed="true"]{background:var(--river-deep);color:var(--panel)}
.st-top{flex-wrap:wrap;row-gap:0}
.st-name{flex:1 1 auto;min-width:9em}
.st-val{margin-left:auto}

/* ---------- home app ---------- */
.cards{display:grid;gap:10px;margin-top:10px}
.card{background:var(--bg);border-radius:12px;padding:12px;border-left:5px solid var(--c,var(--muted))}
.card .top{display:flex;justify-content:space-between;gap:10px;align-items:baseline;flex-wrap:wrap}
.card .nm{font-weight:600}
.card .v{font-weight:700;font-size:1.25rem;white-space:nowrap}
.card .meta{font-size:.82rem;color:var(--muted);margin-top:2px}
.gauge{position:relative;height:10px;border-radius:5px;background:linear-gradient(90deg,var(--ok) 0 var(--w1),var(--watch) var(--w1) var(--w2),var(--evac) var(--w2) 100%);opacity:.35;margin-top:8px}
.gauge-wrap{position:relative}
.gauge-mark{position:absolute;top:2px;width:4px;height:14px;border-radius:2px;background:var(--ink);transform:translateX(-2px)}
.flowlist{list-style:none;margin:10px 0 0;padding:0;position:relative}
.flowlist::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:4px;background:var(--river);border-radius:2px}
.flowlist li{position:relative;padding:0 0 12px 34px}
.flowlist li::before{content:"";position:absolute;left:4px;top:5px;width:18px;height:18px;border-radius:50%;background:var(--panel);border:4px solid var(--dot,var(--muted))}
.flowlist li.home::before{background:var(--dot);border-color:var(--ink);box-shadow:0 0 0 2px var(--panel),0 0 0 4px var(--ink)}
.flowlist li.end::before{border-radius:4px;background:var(--river-deep);border-color:var(--river-deep)}
.flowlist .cn{font-weight:600}
.flowlist .cs{font-size:.82rem;color:var(--muted)}
.src{display:grid;gap:8px;grid-template-columns:repeat(3,1fr);margin-top:10px}
@media (max-width:520px){.src{grid-template-columns:1fr}}
.src div{background:var(--bg);border-radius:10px;padding:10px;font-size:.88rem}
.src b{display:block;margin-bottom:2px}
.tide{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
@media (max-width:420px){.tide{grid-template-columns:repeat(2,1fr)}}
.tide div{background:var(--bg);border-radius:10px;padding:8px 10px;text-align:center}
.tide b{display:block;font-size:1.15rem}
.tide span{font-size:.78rem;color:var(--muted)}
.credit{font-size:.78rem;color:var(--muted);margin-top:14px}
.pin.home{width:auto;height:auto;border-radius:6px;padding:2px 8px;background:#132A31;color:#fff;font-weight:700;font-size:12px;white-space:nowrap;border:2px solid #fff}
.locked{text-align:center;padding:40px 10px}

.stage{margin:16px 0 6px;color:var(--river-deep)}
.dams{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (max-width:420px){.dams{grid-template-columns:1fr}}
.dam{background:var(--bg);border-radius:10px;padding:10px}
.dam .nm{font-weight:600}
.dam .rv{font-size:.8rem;color:var(--muted)}
.dam .pct{font-size:1.2rem;font-weight:700;margin-top:4px}
.dam .bar{height:8px;border-radius:4px;background:var(--line);margin:4px 0;position:relative;overflow:hidden}
.dam .bar i{position:absolute;left:0;top:0;bottom:0}
.dam .io{font-size:.82rem}
.arrow-down{text-align:center;font-size:1.4rem;color:var(--river);margin:6px 0}
.link-note{margin-top:6px;padding:10px 12px;border-left:4px solid var(--river);background:var(--bg);border-radius:0 8px 8px 0;font-size:.88rem}
.link-note b{display:block;margin-bottom:2px}

.mapbtns{display:flex;gap:6px;margin:8px 0}
.mapbtns button{padding:6px 12px;font-size:.85rem}
.leaflet-overlay-pane path.flowline{stroke-dasharray:6 10;animation:fl var(--d,2s) linear infinite}
@keyframes fl{to{stroke-dashoffset:-32}}
@media (prefers-reduced-motion:reduce){.leaflet-overlay-pane path.flowline{animation:none}}
.pin.dam2{width:auto;height:auto;border-radius:6px;padding:1px 6px;color:#fff;font-weight:700;font-size:11px;white-space:nowrap;border:2px solid #fff;background:var(--c)}

/* ---------- ayutthaya ---------- */
.rivgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin-top:10px}
@media (max-width:420px){.rivgrid{grid-template-columns:1fr}}
.rivcard{background:var(--bg);border-radius:10px;padding:10px 12px;border-left:5px solid var(--c,var(--muted))}
.rivcard b{display:block}
.rivcard .v{font-weight:700;color:var(--c)}
.rivcard .s{font-size:.82rem;color:var(--muted)}
details.riv{margin-top:10px;background:var(--bg);border-radius:10px;padding:8px 12px}
details.riv summary{cursor:pointer;font-weight:600}
.tag{display:inline-block;font-size:.72rem;padding:0 6px;border-radius:999px;background:var(--line);color:var(--ink);margin-left:4px;vertical-align:middle}

.distsel{margin:6px 0 10px;font-size:1rem;font-weight:600}
.mycard{border-radius:12px;padding:14px 16px;color:#fff;background:var(--c,var(--muted))}
.mycard .lv{font-size:1.25rem;font-weight:700}
.mycard .adv{margin-top:8px;padding:10px 12px;background:rgba(255,255,255,.18);border-radius:8px;font-size:.95rem}
.mycard .adv b{display:block;font-size:.8rem;opacity:.9;margin-bottom:2px}
.mycard ul{margin:8px 0 0;padding-left:18px;font-size:.88rem}
.mycard .nos{font-size:.82rem;opacity:.9;margin-top:6px}
.linebtn{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:12px;padding:12px;border-radius:10px;background:#06C755;color:#fff;font-weight:700;text-decoration:none}
.status .adv{margin-top:8px;padding:8px 10px;background:rgba(255,255,255,.18);border-radius:8px;font-size:.92rem}

/* sos + help */
.sos{display:block;text-align:center;background:#B3261E;color:#fff;font-weight:700;border-radius:10px;padding:8px 10px;margin-bottom:10px;text-decoration:none;font-size:.92rem}
.sosbtn{width:100%;background:#B3261E;color:#fff;font-size:1.05rem;padding:12px;margin-top:10px}
.helpstats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:10px 0}
.helpstats div{background:var(--bg);border-radius:10px;padding:8px;text-align:center}
.helpstats b{display:block;font-size:1.4rem}
.helpstats span{font-size:.8rem;color:var(--muted)}
.helpform{margin-top:12px;padding:12px;border:2px solid #B3261E;border-radius:12px}
.helpform label{margin-top:10px}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.chips label{display:inline-flex;align-items:center;gap:6px;margin:0;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:var(--bg);color:var(--ink);font-size:.9rem;cursor:pointer}
.chips input{width:auto;margin:0}
.chips label:has(input:checked){background:var(--river-deep);color:var(--panel);border-color:var(--river-deep)}
.pickmap{height:220px;border-radius:10px;margin-top:8px}
.chk{display:flex;gap:8px;align-items:flex-start;color:var(--ink);font-size:.9rem;margin-top:12px}
.chk input{width:auto;margin-top:4px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.helplist{display:grid;gap:8px;margin-top:8px}
.hcard{background:var(--bg);border-radius:10px;padding:10px 12px;border-left:5px solid var(--c)}
.hcard .top{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap}
.hcard .meta{font-size:.82rem;color:var(--muted)}
.hcard .acts{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.hcard .acts a,.hcard .acts button{padding:6px 10px;font-size:.85rem;border-radius:8px;text-decoration:none}
.hcard .acts a{background:var(--river-deep);color:var(--panel)}
/* consent */
.consent{position:fixed;inset:0;background:rgba(10,20,25,.6);z-index:5000;display:flex;align-items:flex-end;justify-content:center;padding:12px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px))}
.consent.hidden{display:none}
.cbox{background:var(--panel);color:var(--ink);border-radius:16px;max-width:560px;width:100%;max-height:85vh;overflow:auto;padding:18px}
.cbox ul{padding-left:18px;margin:8px 0;font-size:.92rem;line-height:1.55}
.cbox li{margin-bottom:6px}
.cbtns button{width:100%;padding:12px;font-size:1rem}
.cbox .lang{margin:12px auto 0;width:max-content}
.rivcard .flowv{margin-top:6px;padding-top:6px;border-top:1px dashed var(--line);font-size:.88rem;color:var(--river-deep)}
.rivcard .flowv .fv{font-weight:700;font-size:1.05rem;white-space:nowrap}

.flow .halo{paint-order:stroke;stroke:var(--bg);stroke-width:3.5px;stroke-linejoin:round}

/* แผนผังการไหล: จอกว้าง (คอม / iPad) ขยายใหญ่ขึ้น · มือถือคงเดิม */
@media (min-width:700px){
  .flowwrap{display:flex;justify-content:center}
  .flow{max-height:none;width:min(100%,560px);height:auto}
}
@media (min-width:1200px){ .flow{width:620px} }

.madeby{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:.9rem;color:var(--muted);text-align:center;white-space:pre-line;line-height:1.7}
.madeby::first-line{font-weight:700;color:var(--ink);font-size:1rem}

.provsel{width:auto;max-width:60%;font-weight:700;font-size:1rem;padding:7px 10px;background:var(--panel)}

.platform{margin:0 0 6px;font-size:.85rem;color:var(--muted)}
.platform b{color:var(--river-deep)}

.homectl{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}
.homectl button{flex:1 1 auto}
.homectl .homeok{flex:1 1 100%;padding:8px 12px;border-radius:10px;background:var(--bg);font-weight:600;color:var(--river-deep)}
.homectl button.small{flex:0 0 auto;padding:6px 12px;font-size:.85rem}
.homechip{display:block;width:100%;margin:4px 0 8px;padding:8px 12px;border-radius:10px;background:var(--bg);color:var(--river-deep);border:1px solid var(--line);font-weight:600;text-align:left}

.icgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px}
@media (max-width:560px){.icgrid{grid-template-columns:1fr}}
.icplat{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.icplat.mine{border:2px solid var(--river-deep)}
.icplat ol{margin:6px 0 0;padding-left:20px;font-size:.9rem;line-height:1.55}
.icplat li{margin-bottom:4px}
.icplat .ico{display:inline-block;padding:0 5px;border:1px solid var(--line);border-radius:4px}

.visitors{margin-top:12px;text-align:center;font-weight:700;color:var(--river-deep);font-size:.95rem}

/* การ์ดเพิ่มเพื่อน LINE */
.linecard{margin-top:14px;border-radius:16px;padding:16px;color:#fff;background:linear-gradient(135deg,#06C755 0%,#04A847 55%,#038A3A 100%);box-shadow:0 8px 24px rgba(6,199,85,.28);position:relative;overflow:hidden}
.linecard::after{content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;border-radius:50%;background:rgba(255,255,255,.08)}
.lc-head{display:flex;gap:12px;align-items:center}
.lc-bell{font-size:1.7rem;width:48px;height:48px;border-radius:14px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;flex:0 0 48px}
.lc-head b{display:block;font-size:1.12rem;line-height:1.3}
.lc-head span{font-size:.88rem;opacity:.92}
.lc-pts{list-style:none;margin:12px 0 4px;padding:0;display:grid;gap:4px;font-size:.92rem}
.lc-act{display:flex;align-items:center;gap:16px;margin-top:10px;flex-wrap:wrap}
.lc-btn{display:inline-flex;text-decoration:none;background:#fff;border-radius:10px;padding:6px 10px;box-shadow:0 2px 8px rgba(0,0,0,.15);transition:transform .15s}
.lc-btn:hover{transform:translateY(-1px)}
.lc-btn img{display:block;height:36px;width:auto}
.lc-qr{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:.78rem}
.lc-qr #lcQr{background:#fff;padding:6px;border-radius:10px;line-height:0}
.lc-how{margin:12px 0 0;font-size:.88rem;background:rgba(0,0,0,.12);border-radius:10px;padding:8px 10px}
.lc-id{margin:6px 0 0;font-size:.8rem;opacity:.9}
@media (pointer:coarse){.lc-qr{display:none}} /* มือถือกดปุ่มได้เลย ไม่ต้องสแกน */
.lc-fb{font-weight:700;color:#06C755;font-size:1.05rem;padding:4px 10px}

html:lang(ja) body{font-family:"Noto Sans JP","Hiragino Sans","Yu Gothic","IBM Plex Sans Thai",sans-serif}
.lang button{padding:6px 10px}