.hydrowatch-amur {
  --hw-bg:#071015; --hw-panel:#0d1a20; --hw-panel2:#11242c; --hw-line:#24414b;
  --hw-text:#e7f4f5; --hw-muted:#8eabb2; --hw-accent:#38d6bd; --hw-blue:#7ce5ff;
  width:100%; height:var(--hw-height,780px); min-height:620px; overflow:hidden;
  background:var(--hw-bg); color:var(--hw-text); font-family:Inter,"Segoe UI",sans-serif;
  border:1px solid var(--hw-line); border-radius:12px; box-shadow:0 18px 55px #00101655;
  color-scheme:dark;
}
.hydrowatch-amur *{box-sizing:border-box}.hydrowatch-amur button,.hydrowatch-amur input,.hydrowatch-amur select{font:inherit}
.hydrowatch-amur button{cursor:pointer}.hydrowatch-amur section{margin:0;padding:18px;border:0;border-bottom:1px solid var(--hw-line)}
.hw-topbar{height:72px;padding:11px 22px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--hw-line);background:#09151a}
.hw-topbar h1{margin:0;color:var(--hw-text);font-size:24px;line-height:1.15;letter-spacing:.03em}.hw-eyebrow{margin:0 0 3px;color:var(--hw-accent);font-size:10px;font-weight:750;letter-spacing:.18em}
.hw-health{display:flex;gap:9px;align-items:center;color:var(--hw-muted);font-size:12px}.hw-health i{width:9px;height:9px;border-radius:50%;background:var(--hw-accent);box-shadow:0 0 0 4px #38d6bd22}
.hw-workspace{height:calc(100% - 72px);display:grid;grid-template-columns:300px minmax(400px,1fr) 310px;position:relative}
.hw-controls,.hw-report{min-height:0;overflow:auto;background:var(--hw-panel)}.hw-controls{border-right:1px solid var(--hw-line)}.hw-report{border-left:1px solid var(--hw-line)}
.hydrowatch-amur h2{margin:0 0 14px;color:var(--hw-text);font-size:14px;line-height:1.3;letter-spacing:.02em}.hydrowatch-amur label{display:grid;gap:6px;margin-bottom:12px;color:var(--hw-muted);font-size:12px}
.hydrowatch-amur select,.hydrowatch-amur input{width:100%;min-height:39px;border:1px solid var(--hw-line);border-radius:7px;padding:8px 10px;background:#08151a;color:var(--hw-text)}
.hw-dates{display:grid;grid-template-columns:1fr 1fr;gap:9px}.hw-primary{width:100%;border:0;border-radius:7px;padding:11px;background:var(--hw-accent);color:#05231f;font-weight:800;transition:.15s}
.hw-primary:hover{filter:brightness(1.08)}.hw-primary:disabled{opacity:.55;cursor:wait}.hw-progress{margin-top:14px}.hw-progress>div{display:flex;justify-content:space-between;font-size:12px}.hw-progress progress{width:100%;height:6px;accent-color:var(--hw-accent)}
.hw-map-panel{position:relative!important;padding:0!important;overflow:hidden;background:#091a20}.hw-map{width:100%;height:100%;overflow:hidden;cursor:grab;touch-action:none;background-image:linear-gradient(#17303955 1px,transparent 1px),linear-gradient(90deg,#17303955 1px,transparent 1px);background-size:44px 44px}
.hw-map.is-dragging{cursor:grabbing}.hw-stage{position:absolute;inset:0;transform-origin:50% 50%}.hw-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;image-rendering:auto;pointer-events:none}
.hw-empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:var(--hw-muted)}.hw-empty p{margin:0 0 5px;font-size:15px}.hw-empty small{font-size:11px}.hw-river{width:180px;height:90px;margin:0 auto 20px;border:9px solid transparent;border-left-color:#2f7286;border-radius:50%;transform:rotate(-16deg);opacity:.65}
.hw-tools{position:absolute;z-index:5;top:16px;left:16px;display:grid;border:1px solid var(--hw-line);border-radius:7px;overflow:hidden}.hw-tools button{width:35px;height:34px;border:0;border-bottom:1px solid var(--hw-line);background:#0a171dee;color:var(--hw-text);font-size:18px}.hw-tools button:last-child{border:0;font-size:15px}
.hw-legend{position:absolute;z-index:5;left:64px;bottom:17px;display:flex;gap:8px;flex-wrap:wrap;max-width:72%}.hw-legend span{display:inline-flex;gap:6px;align-items:center;padding:5px 8px;background:#071015e6;border:1px solid var(--hw-line);border-radius:5px;font-size:10px}.hw-legend i{width:10px;height:10px;border-radius:2px}.hw-coordinates{position:absolute;right:13px;bottom:14px;color:var(--hw-muted);font:10px monospace}
.hw-layers{display:grid;gap:8px}.hw-layer{display:flex;align-items:center;font-size:12px}.hw-layer label{display:flex;align-items:center;gap:8px;margin:0;color:var(--hw-text);cursor:pointer}.hw-layer input{width:auto;min-height:0;accent-color:var(--hw-accent)}.hw-swatch{width:11px;height:11px;border-radius:2px}
.hw-downloads{display:grid;gap:8px;font-size:12px}.hw-downloads a{color:var(--hw-blue);text-decoration:none}.hw-downloads a:hover{text-decoration:underline}.hw-muted{color:var(--hw-muted);font-size:12px}
.hw-metrics{display:grid;grid-template-columns:1fr 1fr;gap:8px}.hw-metric{padding:10px;border:1px solid var(--hw-line);border-radius:7px;background:var(--hw-panel2)}.hw-metric strong{display:block;color:var(--hw-text);font-size:19px;line-height:1.15}.hw-metric span{color:var(--hw-muted);font-size:10px}.hw-quality{display:grid;gap:8px}.hw-quality div{display:flex;justify-content:space-between;gap:12px;font-size:12px}.hw-quality strong{text-align:right;color:var(--hw-text)}
.hw-warnings{margin:0;padding-left:18px;color:#ffd08a;font-size:12px;line-height:1.5}.hw-method p{margin:0;color:var(--hw-muted);font-size:11px;line-height:1.55}
@media(max-width:1100px){.hw-workspace{grid-template-columns:250px minmax(350px,1fr) 270px}.hydrowatch-amur section{padding:15px}.hw-metric strong{font-size:17px}.hw-legend{left:58px;max-width:80%}}
@media(max-width:800px){.hydrowatch-amur{height:auto;min-height:900px}.hw-workspace{height:auto;grid-template-columns:1fr;grid-template-rows:auto 58vh auto}.hw-controls,.hw-report{position:static;width:auto;transform:none;border:0;pointer-events:auto}.hw-map-panel{min-height:500px}.hw-topbar{padding:10px 15px}.hw-topbar h1{font-size:21px}.hw-health span{display:none}}