:root{
  --bg:#eef5fb;--bg-2:#f7fbff;--panel:#ffffff;--panel-2:#edf5fc;--text:#10263d;
  --muted:#667b91;--border:#d5e3ef;--blue:#0a67a8;--blue-2:#1089d4;--blue-3:#d9efff;
  --nav:#083b62;--nav-2:#0b4d7c;--good:#177245;--warn:#a86100;--bad:#b63737;
  --shadow:0 10px 30px rgba(8,59,98,.08);--radius:16px;
}
:root.dark{
  --bg:#071522;--bg-2:#0a1a29;--panel:#0d2031;--panel-2:#102a40;--text:#edf6ff;
  --muted:#96adc0;--border:#1d3a52;--blue:#3da9ef;--blue-2:#6fc4f8;--blue-3:#123852;
  --nav:#071c2d;--nav-2:#0b2b43;--good:#4fd193;--warn:#ffbd66;--bad:#ff7b7b;
  --shadow:0 14px 36px rgba(0,0,0,.22);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:linear-gradient(180deg,var(--bg-2),var(--bg));color:var(--text);
  font-family:Aptos,"Segoe UI",Arial,sans-serif;min-height:100vh
}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.topbar{
  position:sticky;top:0;z-index:1000;height:76px;display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;background:color-mix(in srgb,var(--panel) 94%,transparent);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border)
}
.brand{display:flex;align-items:center;gap:12px}.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(145deg,var(--blue),var(--blue-2));color:#fff;box-shadow:0 7px 18px rgba(10,103,168,.25)
}
.brand h1{font-size:20px;margin:0;letter-spacing:-.02em}.brand p{margin:2px 0 0;color:var(--muted);font-size:13px}
.top-actions{display:flex;align-items:center;gap:10px}.icon-button{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--panel-2);color:var(--text)
}
.status-badge,.validation-pill{
  display:inline-flex;align-items:center;border-radius:999px;padding:7px 11px;font-size:12px;font-weight:700;border:1px solid var(--border)
}
.status-badge.demo{background:rgba(168,97,0,.1);color:var(--warn)}.status-badge.live{background:rgba(23,114,69,.1);color:var(--good)}
.app-shell{display:grid;grid-template-columns:244px minmax(0,1fr);min-height:calc(100vh - 124px)}
.sidebar{background:linear-gradient(180deg,var(--nav),var(--nav-2));padding:18px 12px;color:#fff}
.sidebar nav{position:sticky;top:94px}.nav-group-title{
  font-size:10px;text-transform:uppercase;letter-spacing:.15em;color:#8fb8d5;margin:18px 10px 7px
}
.nav{
  width:100%;display:flex;align-items:center;gap:10px;text-align:left;padding:10px 12px;margin:3px 0;
  border:0;border-radius:10px;background:transparent;color:#dcecf8
}
.nav span{width:18px;text-align:center}.nav:hover,.nav.active{background:rgba(255,255,255,.11);color:#fff}
.content{padding:28px;max-width:1500px;width:100%;margin:0 auto}.tool{display:none}.tool.active{display:block}
.hero{
  display:grid;grid-template-columns:1.6fr .7fr;gap:22px;padding:34px;border-radius:22px;
  background:linear-gradient(135deg,#073f68,#0b73b8 60%,#1398d9);color:#fff;box-shadow:var(--shadow);margin-bottom:28px
}
.hero h2{font-size:clamp(28px,4vw,44px);max-width:850px;line-height:1.04;margin:10px 0 14px;letter-spacing:-.035em}
.hero p{max-width:820px;margin:0;color:#d8efff;font-size:17px;line-height:1.55}
.hero .eyebrow{color:#aee3ff}.hero-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;align-self:end}
.hero-stat{padding:16px;border-radius:14px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16)}
.hero-stat strong{display:block;font-size:26px}.hero-stat span{font-size:12px;color:#d3eaff}
.eyebrow{text-transform:uppercase;letter-spacing:.13em;font-size:11px;font-weight:800;color:var(--blue)}
.section-heading{display:flex;justify-content:space-between;gap:18px;align-items:end;margin:4px 0 18px}
.section-heading h2,.section-heading h3{margin:4px 0 5px;letter-spacing:-.025em}.section-heading h2{font-size:30px}
.section-heading p{margin:0;color:var(--muted)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.tool-card{
  display:flex;gap:14px;text-align:left;border:1px solid var(--border);border-radius:var(--radius);padding:18px;
  background:var(--panel);color:var(--text);box-shadow:var(--shadow);transition:.18s transform,.18s border-color
}
.tool-card:hover{transform:translateY(-2px);border-color:var(--blue)}.tool-card h4{margin:1px 0 6px;font-size:17px}
.tool-card p{margin:0;color:var(--muted);line-height:1.45}.card-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;background:var(--blue-3);color:var(--blue);display:grid;place-items:center;font-size:20px
}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:16px}
.panel h3{margin:0 0 14px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
label{display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:13px;font-weight:650}
input,select,textarea{
  width:100%;border:1px solid var(--border);border-radius:10px;background:var(--bg-2);color:var(--text);
  padding:10px 11px;outline:none
}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px color-mix(in srgb,var(--blue) 14%,transparent)}
textarea{resize:vertical}
button,.file-button{
  border:0;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--blue-2));color:#fff;padding:10px 14px;font-weight:700
}
button.secondary,.file-button.secondary{background:var(--panel-2);border:1px solid var(--border);color:var(--text)}
button.small{padding:7px 10px;font-size:12px}.actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:14px}.actions.compact{margin:0}
.file-button{display:inline-flex;align-items:center;cursor:pointer}.file-button input{display:none}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.two-col.wide-left{grid-template-columns:minmax(0,1.65fr) minmax(320px,.65fr)}
.stack{display:flex;flex-direction:column}.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:16px 0}
.metric{padding:16px;border-radius:14px;background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow)}
.metric span{display:block;color:var(--muted);font-size:12px;margin-bottom:5px}.metric strong{font-size:18px}
.map-panel{padding:0;overflow:hidden;position:relative}.map-hint{
  position:absolute;z-index:500;left:12px;bottom:12px;background:rgba(6,27,44,.84);color:#fff;padding:7px 10px;border-radius:8px;font-size:12px
}
#map{height:520px;background:#dcecf7}.leaflet-container{font-family:Aptos,"Segoe UI",Arial,sans-serif}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:780px}
th,td{padding:10px 9px;border-bottom:1px solid var(--border);text-align:left;font-size:13px}
th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.05em}td input{min-width:90px}
.notice{margin:18px 0;padding:14px 16px;border:1px solid var(--border);border-left:4px solid var(--blue);border-radius:12px;background:var(--panel)}
.notice.warning{border-left-color:var(--warn)}.notice.success{border-left-color:var(--good)}.notice.danger{border-left-color:var(--bad)}
.notice.info{border-left-color:var(--blue)}.muted{color:var(--muted)}
.result-list{display:grid;gap:10px}.result-item{
  display:grid;grid-template-columns:10px 1fr auto;gap:12px;align-items:start;padding:14px;background:var(--bg-2);border:1px solid var(--border);border-radius:12px
}
.result-dot{width:10px;height:10px;border-radius:50%;background:var(--blue);margin-top:5px}.result-dot.good{background:var(--good)}.result-dot.warn{background:var(--warn)}.result-dot.bad{background:var(--bad)}
.result-item h4{margin:0 0 4px}.result-item p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
.result-item small{color:var(--muted)}.empty-state{color:var(--muted);padding:20px;text-align:center}
.data-status{margin:12px 0;color:var(--muted);font-size:13px}.output{min-height:280px;font-family:"Cascadia Mono",Consolas,monospace}
.validation-pill.neutral{color:var(--muted)}.validation-pill.good{color:var(--good);background:rgba(23,114,69,.08)}
.validation-pill.warn{color:var(--warn);background:rgba(168,97,0,.08)}
.source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.source-card{
  padding:15px;border:1px solid var(--border);border-radius:12px;background:var(--bg-2)
}
.source-card strong,.source-card span,.source-card code{display:block}.source-card span{color:var(--muted);font-size:13px;margin:5px 0 8px}
.source-card code{font-size:12px;color:var(--blue)}
footer{min-height:48px;display:flex;justify-content:space-between;gap:20px;align-items:center;padding:12px 24px;background:var(--panel);border-top:1px solid var(--border);color:var(--muted);font-size:12px}
@media(max-width:1100px){
  .app-shell{grid-template-columns:200px minmax(0,1fr)}.content{padding:20px}.card-grid{grid-template-columns:repeat(2,1fr)}
  .form-grid.four{grid-template-columns:repeat(2,1fr)}.metric-grid{grid-template-columns:repeat(2,1fr)}.two-col.wide-left{grid-template-columns:1fr}
}
@media(max-width:760px){
  .topbar{height:68px;padding:0 14px}.brand p,.status-badge{display:none}.app-shell{display:block}.sidebar{padding:8px;overflow:auto}
  .sidebar nav{position:static;display:flex;gap:6px}.nav-group-title{display:none}.nav{width:auto;min-width:max-content;margin:0}.nav span{display:none}
  .content{padding:14px}.hero{grid-template-columns:1fr;padding:24px}.hero-stat-grid{grid-template-columns:repeat(3,1fr)}
  .card-grid,.two-col,.form-grid,.form-grid.four,.source-grid{grid-template-columns:1fr}.metric-grid{grid-template-columns:repeat(2,1fr)}
  .section-heading{align-items:start;flex-direction:column}#map{height:430px}footer{flex-direction:column;align-items:start}
}