/* GrandLine Architecture Intelligence — demo app shell */
:root {
  --bg: #05070A; --surface: #0A0E14; --surface-2: #101722; --surface-3: #17202E;
  --ink: #EDF0F7; --dim: #9AA3B7; --muted: #6B7488; --border: #1A2432;
  --brand: #1FA9FF; --brand-2: #1470C8; --brand-glow: #5EC6FF;
  --good: #22C39F; --warn: #F2B33C; --bad: #EF5B5B;
  --aws: #FF9900; --az: #0078D4; --gcp-r: #EA4335; --gcp-b: #4285F4; --gcp-g: #34A853; --gcp-y: #FBBC04;
  --shadow: 0 20px 60px rgba(0,0,0,.55);
  --glow: 0 0 28px rgba(31, 169, 255, 0.25);
  --radius: 14px; --radius-sm: 10px;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink);
  font-family: Inter, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 14px; }
a { color: var(--brand-2); text-decoration: none; } a:hover { text-decoration: underline; }

.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.side { background: var(--surface); border-right: 1px solid var(--border); padding: 18px 14px; position: sticky; top: 0; height: 100vh; }
.side .brand { display:flex; align-items:center; gap:10px; margin-bottom: 18px; }
.brand-mark { width:26px; height:26px; display:inline-block; flex-shrink:0; }
.brand-name { font-weight: 800; letter-spacing: 0.02em; font-size: 13px; color: #fff; }
.brand-name em { font-style: normal; color: var(--brand); }
.brand-tagline { color: var(--muted); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; margin-top: 1px; }
.nav-group { color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; font-size: 10.5px; margin: 14px 6px 6px; }
.side a.nav-item { display: block; padding: 8px 10px; border-radius: 8px; color: var(--dim); margin: 2px 0; border: 1px solid transparent; }
.side a.nav-item:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.side a.nav-item.active { background: var(--surface-2); color: var(--ink); border-color: var(--border); }

.main { padding: 0; }
.topbar { position: sticky; top: 0; z-index: 5; background: rgba(6,7,11,0.7); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border); padding: 12px 24px; display: flex; align-items: center; gap: 12px; }
.crumbs { color: var(--dim); font-size: 12px; }
.tenant-pill { margin-left: auto; display: inline-flex; align-items: center; gap: 8px; padding: 6px 10px;
  border: 1px solid var(--border); border-radius: 999px; background: var(--surface); font-size: 12px; color: var(--dim); }
.tenant-pill .dot { width:8px; height:8px; border-radius:50%; background: var(--good); }
.view { padding: 20px 24px 48px; max-width: 1280px; }

h1 { font-size: 22px; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 16px; margin: 0 0 10px; letter-spacing: -0.005em; }
h3 { font-size: 13px; margin: 0 0 6px; color: var(--dim); text-transform: uppercase; letter-spacing: 0.08em; }
p { color: var(--dim); line-height: 1.55; margin: 0 0 8px; }
.muted { color: var(--muted); font-size: 12px; }
hr.divider { border: 0; border-top: 1px solid var(--border); margin: 16px 0; }

.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.cards-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.kpi .label { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.1em; }
.kpi .value { font-size: 22px; font-weight: 700; margin: 4px 0; color: var(--ink); }
.kpi .delta-up { color: var(--good); font-size: 12px; }
.kpi .delta-dn { color: var(--bad); font-size: 12px; }

.row { display: grid; gap: 12px; }
.row-2 { grid-template-columns: 2fr 1fr; }
.row-3 { grid-template-columns: 1fr 1fr 1fr; }

.tag { display: inline-flex; align-items: center; padding: 2px 8px; border-radius: 999px; font-size: 11px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--dim); }
.tag.aws { border-color: rgba(255,153,0,.35); color: #FFC66A; background: rgba(255,153,0,0.08); }
.tag.az { border-color: rgba(0,120,212,.4); color: #7BC1FF; background: rgba(0,120,212,0.1); }
.tag.gcp { border-color: rgba(66,133,244,.4); color: #9BBCFF; background: rgba(66,133,244,0.08); }
.tag.sev-crit { border-color: rgba(239,91,91,0.5); color: #FFB4B4; background: rgba(239,91,91,0.1); }
.tag.sev-high { border-color: rgba(242,179,60,0.5); color: #FFD988; background: rgba(242,179,60,0.1); }
.tag.sev-med  { border-color: rgba(77,184,255,0.4); color: #A8D9FF; background: rgba(77,184,255,0.08); }
.tag.sev-low  { color: var(--muted); }
.tag.plan-free { color: var(--dim); }
.tag.plan-pro  { border-color: rgba(124,108,255,0.5); color: #CFC7FF; background: rgba(124,108,255,0.1); }
.tag.plan-ent  { border-color: rgba(34,195,159,0.5); color: #9CE7CF; background: rgba(34,195,159,0.1); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 10px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; font-size: 11px; }
tr:hover td { background: rgba(255,255,255,0.015); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--ink); font-weight: 600; font-size: 13px; cursor: pointer; }
.btn:hover { border-color: #2A3556; }
.btn.primary { background: linear-gradient(180deg, #1FA9FF, #1470C8); border-color: rgba(31,169,255,0.6); box-shadow: 0 0 0 1px rgba(31,169,255,0.25), 0 8px 20px rgba(20,112,200,0.35); color: #fff; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; }

.bar { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; }
.bar > div { height: 100%; background: linear-gradient(90deg, var(--brand-2), var(--brand)); }

/* Architecture SVG viewport */
.diagram-wrap { background:
  radial-gradient(1200px 500px at 30% 20%, rgba(124,108,255,0.07), transparent 60%),
  radial-gradient(1200px 500px at 80% 80%, rgba(77,184,255,0.06), transparent 60%),
  var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 10px; }
.diagram-wrap svg { width: 100%; height: auto; display: block; }
.diagram-toolbar { display: flex; align-items: center; gap: 8px; padding: 8px 10px; }
.diagram-toolbar .spacer { flex: 1; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.legend .chip { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--dim);
  padding: 3px 8px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface-2); }
.legend .chip .d { width: 9px; height: 9px; border-radius: 2px; }

/* Login */
.login-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; box-shadow: var(--shadow); }
.login-card h1 { font-size: 20px; }
.login-card label { display: block; color: var(--dim); font-size: 12px; margin: 14px 0 6px; }
.login-card input { width: 100%; padding: 10px 12px; background: var(--surface-2); color: var(--ink);
  border: 1px solid var(--border); border-radius: 10px; font-size: 14px; font-family: inherit; }
.login-card .hint { color: var(--muted); font-size: 12px; margin-top: 12px; }
.login-card .btn.primary { width: 100%; justify-content: center; margin-top: 16px; padding: 10px 14px; }

.note { padding: 10px 12px; border: 1px dashed var(--border); border-radius: 10px; color: var(--dim); font-size: 12px; background: var(--surface-2); }
code { font-family: var(--mono); background: var(--surface-2); padding: 1px 6px; border-radius: 6px; font-size: 12px; color: #CFD6EA; }

/* Severity pill */
.pill { display:inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; border: 1px solid var(--border); }

/* ── Architecture explorer layout ─────────────────────────────────────── */
.arch-shell {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 14px;
  margin-top: 14px;
  align-items: start;
}
.arch-left { display: flex; flex-direction: column; gap: 10px; }

/* Inspector panel */
.inspector {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  min-height: 440px;
  position: sticky;
  top: 16px;
}
.inspector h3 {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px 0;
}
.inspector .empty {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
  margin-top: 8px;
}
.inspector .title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 3px;
  line-height: 1.3;
}
.inspector .sub {
  font-size: 11.5px;
  color: var(--dim);
  margin-bottom: 14px;
}

/* Key-value rows in inspector */
.row-k {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  gap: 8px;
}
.row-k:last-child { border-bottom: none; }
.row-k .k {
  font-size: 11px;
  color: var(--muted);
  white-space: nowrap;
  flex-shrink: 0;
  min-width: 88px;
  padding-top: 1px;
}
.row-k .v {
  font-size: 11.5px;
  color: var(--ink);
  font-family: "JetBrains Mono", monospace;
  text-align: right;
  word-break: break-all;
  max-width: 62%;
}

/* Edge legend */
.edge-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 10px 4px 2px;
}
.edge-legend .el {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  color: var(--dim);
  white-space: nowrap;
}

/* Diagram wrap */
.diagram-wrap {
  background:
    radial-gradient(1200px 500px at 30% 20%, rgba(124,108,255,0.07), transparent 60%),
    radial-gradient(1200px 500px at 80% 80%, rgba(77,184,255,0.06), transparent 60%),
    var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
}
.diagram-wrap svg { width: 100%; height: auto; display: block; }
.diagram-wrap.zoomed svg { width: 100%; height: auto; min-height: 600px; }

/* View tabs */
.view-tabs { display: inline-flex; gap: 4px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 10px; padding: 3px; }
.view-tabs button { background: none; border: none; color: var(--dim); font-size: 13px; font-weight: 600; padding: 5px 14px; border-radius: 8px; cursor: pointer; transition: all 0.15s; font-family: inherit; }
.view-tabs button:hover { color: var(--ink); }
.view-tabs button.active { background: var(--surface); color: var(--ink); box-shadow: 0 1px 4px rgba(0,0,0,0.4); }

/* Diagram toolbar */
.diagram-toolbar { display: flex; align-items: center; gap: 8px; padding: 10px 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.diagram-toolbar .spacer { flex: 1; }
.diagram-toolbar label { font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.diagram-toolbar select { background: var(--surface-2); color: var(--ink); border: 1px solid var(--border); border-radius: 8px; padding: 5px 10px; font-size: 13px; font-family: inherit; outline: none; }

@media (max-width: 900px) {
  .arch-shell { grid-template-columns: 1fr; }
}