:root{font-family:'IBM Plex Sans Thai',sans-serif;color:#204841;background:#f5f8f3;font-size:14px}*{box-sizing:border-box}body{margin:0;height:100dvh;display:grid;grid-template-rows:54px 54px minmax(0,1fr) 30px;overflow:hidden}button,select{font:inherit;color:inherit;cursor:pointer;border:1px solid #d6e2d9;background:#fff;border-radius:10px;padding:7px 11px}button:hover,select:hover{border-color:#3d947e}button:focus-visible,select:focus-visible,[role=button]:focus-visible{outline:3px solid #eab647;outline-offset:3px}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}header{display:flex;align-items:center;gap:20px;padding:0 26px;border-bottom:1px solid #e0e8de}.brand{font-weight:700;letter-spacing:1px}.brand span{font-size:11px;color:#76948b}.live{margin-left:auto;color:#438476;font-size:12px}header button{font-size:12px}nav{display:flex;gap:8px;align-items:center;padding:0 26px}nav button{border:0;background:transparent;padding:6px 18px}nav button.active{background:#235e50;color:white}nav small{opacity:.7;margin-left:8px}main{min-height:0;display:grid;grid-template-columns:1.12fr 1fr;gap:18px;padding:0 24px 10px}.landscape{position:relative;min-height:0;display:flex;flex-direction:column;background:#eaf2e3;border:1px solid #dce6d4;border-radius:22px;overflow:hidden}.map-heading{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 0;gap:10px}.map-heading small{font-size:10px;letter-spacing:2px;color:#72957d}h1{font-size:29px;margin:0;line-height:1.3}.map-heading label{font-size:11px;display:grid;gap:3px;max-width:53%}.map-heading select{max-width:100%;font-size:12px}.river-wrap{flex:1;min-height:0;padding:0 6px}.river-wrap svg{width:100%;height:100%}.map-caption{padding:8px 20px 14px;display:grid;gap:2px;font-size:11px;color:#4d7666}.map-caption small{font-size:10px;color:#718574}.detail{min-height:0;display:flex;flex-direction:column;padding:20px 22px 12px;background:#fff;border:1px solid #e1e8df;border-radius:22px}.station-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}.station-heading small{font-size:10px;letter-spacing:1px;color:#799286}h2{font-size:28px;line-height:1.2;margin:0}#observed{font-size:11px;text-align:right;max-width:180px;color:#789184}#station-address{font-size:12px;margin:5px 0 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.metrics{display:flex;align-items:center;gap:20px;padding:10px 0 12px;border-bottom:1px solid #edf1ea}.metrics div{display:grid}.metrics span{font-size:10px;color:#6e8b7e}.metrics strong{font-size:27px;line-height:1.3;font-weight:600}.metrics button{margin-left:auto;background:#235e50;color:white;border:0;font-size:12px;white-space:nowrap}.chart-toolbar{display:flex;align-items:center;justify-content:space-between;margin:12px 0 6px;gap:8px}.chart-toolbar button{border:0;background:transparent;font-size:11px;padding:5px 9px}.chart-toolbar button.active{background:#eaf3ed;color:#235e50;font-weight:600}.chart-toolbar select{font-size:11px;padding:4px 8px}.chart-caption{display:flex;justify-content:space-between;font-size:10px;color:#81958c}#chart-wrap{position:relative;flex:1;min-height:85px;margin-top:4px}#chart{width:100%;height:100%;overflow:visible}#chart text{font:12px sans-serif;fill:#81958c}#chart-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;padding:20px}#tooltip{position:absolute;right:8px;top:4px;background:#22483fee;color:white;font-size:11px;white-space:pre-line;padding:7px 10px;border-radius:8px;pointer-events:none}.legend{display:flex;gap:16px;font-size:10px;margin:6px 0;color:#389b85}.forecast-key{color:#c78b2a}.legend small{margin-left:auto;color:#81958c}#prediction{background:#f8f4e9;border:1px solid #eee5cc;border-radius:12px;padding:10px 12px;display:grid;gap:3px;min-height:66px;font-size:11px;color:#8b712f}#prediction strong{font-size:13px;color:#695b30}#prediction span{line-height:1.5}.bottom-row{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:10px;color:#81958c}.bottom-row button{margin-left:auto;padding:4px 9px;font-size:10px;white-space:nowrap}footer{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:0 26px;font-size:10px;color:#81958c}#notice{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}footer a{white-space:nowrap}.node{cursor:pointer}.node:hover circle{stroke:#e8b344;stroke-width:6}.node text{pointer-events:none;font-family:inherit}.node.selected circle{fill:#235e50}.node.selected .code{fill:#fff}
@media(max-width:850px){body{grid-template-rows:44px 43px minmax(0,1fr) 24px}header{padding:0 12px;gap:6px}.brand{font-size:12px}.brand span,.live{display:none}header button{margin-left:auto}nav{padding:0 8px;gap:2px;justify-content:space-between}nav button{font-size:12px;padding:5px 12px}nav small{display:none}main{grid-template-columns:1fr;grid-template-rows:minmax(0,.75fr) minmax(0,1.25fr);gap:8px;padding:0 8px 5px}.landscape,.detail{border-radius:15px}.map-heading{padding:8px 12px 0}.map-heading small{display:none}h1{font-size:20px}.map-heading label{font-size:0}.map-heading select{font-size:11px;padding:4px}.map-caption{padding:0 12px 5px;font-size:9px}.map-caption span{display:none}.map-caption small{font-size:8px}.detail{padding:10px 12px 7px}.station-heading small{font-size:8px}h2{font-size:21px}#observed{font-size:9px}#station-address{margin:2px 0 4px;font-size:10px}.metrics{padding:4px 0 6px;gap:14px}.metrics strong{font-size:22px}.metrics span{font-size:8px}.metrics button{font-size:10px;padding:8px}.chart-toolbar{margin:6px 0 3px}.chart-caption{font-size:8px}.legend{margin:3px 0;font-size:8px}#prediction{min-height:48px;padding:6px 9px;font-size:9px;gap:1px}#prediction strong{font-size:11px}.bottom-row{margin-top:3px;font-size:8px}.bottom-row button{font-size:8px;padding:2px 6px}footer{padding:0 10px;font-size:8px}}
@media(min-width:851px) and (max-height:730px){.detail{padding:12px 18px 8px}.map-heading{padding-top:12px}.metrics{padding:6px 0}.chart-toolbar{margin:6px 0 3px}#prediction{padding:7px 10px;min-height:58px}.bottom-row{margin-top:4px}}
/* Status colors are independent of selection; pulse never hides the station. */
.node .alert-halo{stroke:transparent}.node.selected .alert-halo{stroke:#163f66;stroke-width:3}.node.selected .station-dot{fill:#235e50}.node.status-critical .station-dot{fill:#b82436;stroke:#8f1529}.node.status-rapid .station-dot{fill:#e87922;stroke:#b75713}.node.status-watch .station-dot{fill:#f3ca55;stroke:#bd911d}.node.status-normal .station-dot{stroke:#319278}.node.status-unknown .station-dot,.node.status-stale .station-dot{fill:#e2e6e3;stroke:#87948a}.node.status-critical .code,.node.status-rapid .code{fill:white}.node.status-watch .code,.node.status-unknown .code,.node.status-stale .code{fill:#334b40}.node.stale .station-dot{stroke-dasharray:4 3}.node.pulse .alert-halo{stroke:#e87922;animation:water-alert-pulse 1.8s ease-in-out infinite}.node.status-critical.pulse .alert-halo{stroke:#cf2642}.node.selected .station-dot{stroke-width:5}.station-alert{font-size:10px;padding:6px 8px;margin-top:6px;border-radius:7px;background:#edf3ef;line-height:1.5}.station-alert.status-critical{background:#ffe7eb;color:#a8172d;font-weight:700}.station-alert.status-rapid{background:#fff0df;color:#9b4a0b;font-weight:700}.station-alert.status-watch{background:#fff6d9;color:#80650a}.station-alert.status-stale,.station-alert.status-unknown{background:#edf0ed;color:#68776c}.status-legend{display:flex;gap:10px;flex-wrap:wrap;font-size:10px}.critical-key{color:#b82436}.rapid-key{color:#bd5d10}.watch-key{color:#927211}.map-caption button{padding:0 5px;font-size:9px}.map-caption a{text-decoration:underline}dialog{max-width:540px;max-height:85dvh;overflow:auto;border:1px solid #bdd3c5;border-radius:16px;padding:24px;color:#234739;font:13px 'IBM Plex Sans Thai',sans-serif}dialog::backdrop{background:#10251cc0}dialog h2{font-size:21px}#alert-count{font-weight:600}@keyframes water-alert-pulse{0%,100%{stroke-opacity:.25;stroke-width:3}50%{stroke-opacity:1;stroke-width:9}}@media(prefers-reduced-motion:reduce){.node.pulse .alert-halo{animation:none;stroke-width:5}}
@media(max-width:850px){.station-alert{font-size:8px;padding:3px 5px;margin-top:3px}.status-legend{gap:5px;font-size:7px}.map-caption{padding-bottom:4px}.map-caption small{font-size:7px}.map-caption #alert-count{display:none}.map-caption button{font-size:7px}.river-wrap{padding:0}main{grid-template-rows:minmax(0,.9fr) minmax(0,1.1fr)}}
/* Allow long station names to shrink inside narrow screens. */
main,.landscape,.detail,.map-heading,.map-heading label{min-width:0}.map-heading label{width:53%}.map-heading select{width:100%;min-width:0}#station-select{max-width:100%}nav{min-width:0}nav button{white-space:nowrap}
@media(max-width:850px){nav button{padding-inline:8px}.metrics{gap:9px}.station-heading>div{min-width:0}.status-legend{font-size:7px}}