:root{
  --bg0:#0b0f14;
  --bg1:#0f1520;
  --panel:#111827;
  --panel2:#0f172a;
  --stroke:#243044;
  --stroke2:#334155;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --accent:#7c3aed;
  --accent2:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --shadow: rgba(0,0,0,.45);
  --grid1: rgba(255,255,255,.06);
  --grid2: rgba(255,255,255,.10);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color:var(--text);
  background: radial-gradient(1200px 800px at 35% 25%, rgba(124,58,237,.12), transparent 55%),
              radial-gradient(900px 600px at 70% 75%, rgba(34,197,94,.08), transparent 50%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow:hidden;
}

#app{ height:100%; display:flex; flex-direction:column; }

.topbar{
  height:52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  border-bottom:1px solid rgba(255,255,255,.06);
  background: linear-gradient(180deg, rgba(17,24,39,.8), rgba(15,23,42,.6));
  backdrop-filter: blur(8px);
}

.brand{ display:flex; align-items:center; gap:10px; }
.brand__dot{
  width:10px; height:10px; border-radius:999px;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.1)),
              linear-gradient(135deg, var(--accent), #0ea5e9);
  box-shadow: 0 0 0 3px rgba(124,58,237,.18), 0 0 18px rgba(124,58,237,.35);
}
.brand__title{ font-weight:650; letter-spacing:.2px; }

.topbar__right{ display:flex; align-items:center; gap:10px; }

.btn{
  appearance:none;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(17,24,39,.6);
  color:var(--text);
  padding:8px 10px;
  border-radius:10px;
  font-size:13px;
  cursor:pointer;
  transition: transform .05s ease, background .15s ease, border-color .15s ease;
}
.btn:hover{ background: rgba(17,24,39,.85); border-color: rgba(255,255,255,.16); }
.btn:active{ transform: translateY(1px); }

.status{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(17,24,39,.4);
  color:var(--muted);
}
.status--ok{ color: rgba(34,197,94,.95); border-color: rgba(34,197,94,.22); background: rgba(34,197,94,.08); }
.status--warn{ color: rgba(245,158,11,.95); border-color: rgba(245,158,11,.22); background: rgba(245,158,11,.08); }
.status--err{ color: rgba(239,68,68,.95); border-color: rgba(239,68,68,.22); background: rgba(239,68,68,.08); }

.workspace{ flex:1; position:relative; }

.viewport{
  position:absolute; inset:0;
  outline:none;
  overflow:hidden;
}

.grid{
  position:absolute; inset:0;
  background:
    linear-gradient(var(--grid1) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid1) 1px, transparent 1px),
    linear-gradient(var(--grid2) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid2) 1px, transparent 1px);
  /* Always cover the full viewport; align with pan/zoom via CSS vars. */
  --vx: 0px;
  --vy: 0px;
  --vs: 1;
  background-size:
    calc(20px * var(--vs)) calc(20px * var(--vs)),
    calc(20px * var(--vs)) calc(20px * var(--vs)),
    calc(100px * var(--vs)) calc(100px * var(--vs)),
    calc(100px * var(--vs)) calc(100px * var(--vs));
  background-position:
    var(--vx) var(--vy),
    var(--vx) var(--vy),
    var(--vx) var(--vy),
    var(--vx) var(--vy);
  opacity:.9;
  pointer-events:none;
}

.edges{
  position:absolute; inset:0;
  pointer-events:none;
}

.nodes{
  position:absolute; inset:0;
  transform-origin: 0 0;
}

.node{
  position:absolute;
  width: 240px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(17,24,39,.92), rgba(15,23,42,.84));
  box-shadow: 0 18px 40px var(--shadow);
  user-select:none;
  cursor:grab;
}
.node:active{ cursor:grabbing; }
.node--database{ width: 260px; }
.node--source{ width: 220px; }
.node--dataset{ width: 220px; }
.node--process{ width: 240px; }
.node--scraper{ width: 240px; }

.node__header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  padding:12px 12px 10px 12px;
  border-bottom:1px solid rgba(255,255,255,.07);
}

.node__title{
  font-weight:650;
  letter-spacing:.2px;
  font-size:14px;
  line-height:1.15;
}
.node__subtitle{
  margin-top:4px;
  font-size:12px;
  color:var(--muted);
  line-height:1.2;
}

.node__badge{
  font-size:11px;
  padding:4px 8px;
  border-radius:999px;
  border:1px solid rgba(124,58,237,.22);
  background: rgba(124,58,237,.10);
  color: rgba(196,181,253,.95);
  white-space:nowrap;
}
.node__badge--ok{
  border-color: rgba(34,197,94,.24);
  background: rgba(34,197,94,.10);
  color: rgba(134,239,172,.95);
}
.node__badge--warn{
  border-color: rgba(245,158,11,.24);
  background: rgba(245,158,11,.10);
  color: rgba(253,230,138,.95);
}
.node__badge--idle{
  border-color: rgba(148,163,184,.20);
  background: rgba(148,163,184,.08);
  color: rgba(203,213,225,.95);
}

.node__body{
  padding:10px 12px 12px 12px;
}
.kv{
  display:flex;
  flex-direction:column;
  gap:6px;
  margin:0;
  padding:0;
}
.kv__row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12px;
  color:var(--muted);
}
.kv__k{ color: rgba(203,213,225,.92); }
.kv__v{ color: rgba(229,231,235,.92); }

.port{
  position:absolute;
  top: 50%;
  width:10px; height:10px;
  border-radius:999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(15,23,42,.9);
  transform: translateY(-50%);
  box-shadow: 0 0 0 3px rgba(0,0,0,.18);
}
.port--in{ left:-6px; }
.port--out{ right:-6px; }

.footer{
  height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 12px;
  border-top:1px solid rgba(255,255,255,.06);
  color:rgba(148,163,184,.95);
  font-size:12px;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(8px);
}
.footer code{
  color: rgba(226,232,240,.95);
  background: rgba(2,6,23,.35);
  border:1px solid rgba(255,255,255,.10);
  padding:2px 6px;
  border-radius:8px;
}