/* =========================================================================
   Kanduit Vergabe-Monitor — Design tokens & components
   Brand: Petrol (#0E7490), Ink (#0C1517), Archivo + IBM Plex Mono
   (gleiche Systematik wie Schulbau-Monitor / Kommunalatlas NRW)
   ========================================================================= */
:root{
  /* Petrol scale */
  --petrol-900:#072c39; --petrol-800:#0a465a; --petrol-700:#155e75;
  --petrol-600:#0e7490; --petrol-500:#1597b5; --petrol-400:#38a9c4;
  --petrol-300:#84cede; --petrol-200:#b6e3ee; --petrol-100:#e4f4f8;
  /* Cool neutrals */
  --neutral-900:#0f172a; --neutral-800:#1e293b; --neutral-700:#334155;
  --neutral-600:#475569; --neutral-500:#64748b; --neutral-400:#94a3b8;
  --neutral-300:#cbd5e1; --neutral-200:#e2e8f0; --neutral-100:#f1f5f9;
  --ink:#0c1517; --paper:#fbfcfc; --white:#ffffff;
  /* Status */
  --ok:#2f8f6b; --warn:#c9931f; --error:#c24b57; --info:#1391ae;
  /* Data viz */
  --dv-petrol:#0e7490; --dv-cyan:#1fa2c4; --dv-green:#2f8f6b; --dv-lime:#7cb342;
  --dv-amber:#c9931f; --dv-orange:#d97a2b; --dv-coral:#c24b57; --dv-violet:#7c5ba6;

  --font-display:'Archivo', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --r-card:14px; --r-pill:999px;
  --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px;
  --shadow:0 1px 2px rgba(12,21,23,.04), 0 8px 24px -12px rgba(12,21,23,.18);
  --t-micro:.72rem; --t-small:.86rem;
}

*{box-sizing:border-box}
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--font-display); font-size:16px; line-height:1.55;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{ margin:0; letter-spacing:-.02em; text-wrap:balance; }
a{ color:var(--petrol-700); text-decoration:none; }
a:hover{ text-decoration:underline; }
.mono{ font-family:var(--font-mono); font-variant-numeric:tabular-nums; }
.eyebrow{
  font-family:var(--font-mono); font-size:var(--t-micro); text-transform:uppercase;
  letter-spacing:.1em; color:var(--neutral-500); margin:0 0 6px;
}

/* ---------------- Top bar ---------------- */
.topbar{
  position:sticky; top:0; z-index:50; display:flex; align-items:center; gap:var(--sp-4);
  padding:12px clamp(16px,3vw,32px); background:rgba(251,252,252,.88);
  backdrop-filter:saturate(140%) blur(8px); border-bottom:1px solid var(--neutral-200);
}
.brand{ display:flex; align-items:center; gap:10px; font-family:var(--font-display);
  font-weight:700; font-size:1.12rem; letter-spacing:-.02em; white-space:nowrap; }
.brand .sub{ color:var(--neutral-500); font-weight:500; }
.tabs{ display:flex; gap:2px; margin-left:var(--sp-5); flex-wrap:wrap; }
.tab{
  font-family:var(--font-mono); font-size:var(--t-micro); text-transform:uppercase;
  letter-spacing:.06em; padding:8px 14px; border-radius:var(--r-pill);
  color:var(--neutral-600); cursor:pointer; border:none; background:transparent; transition:.15s;
}
.tab:hover{ background:var(--neutral-100); color:var(--neutral-800); }
.tab.active{ background:var(--petrol-100); color:var(--petrol-700); }
.topbar .right{ margin-left:auto; display:flex; align-items:center; gap:var(--sp-3); }
.stand{ font-family:var(--font-mono); font-size:var(--t-micro); color:var(--neutral-500);
  text-transform:uppercase; letter-spacing:.08em; }
.demo-pill{ font-family:var(--font-mono); font-size:var(--t-micro); letter-spacing:.06em;
  background:#fbf1dc; color:#8a6410; padding:4px 10px; border-radius:var(--r-pill); white-space:nowrap; }

.kbtn{ font-family:var(--font-display); font-weight:600; font-size:.9rem; border:none;
  border-radius:10px; padding:9px 16px; cursor:pointer; transition:.15s; }
.kbtn.ghost{ background:transparent; color:var(--neutral-700); box-shadow:inset 0 0 0 1px var(--neutral-300); }
.kbtn.ghost:hover{ background:var(--neutral-100); }

/* ---------------- Layout ---------------- */
.wrap{ max-width:1320px; margin:0 auto; padding:clamp(16px,3vw,28px) clamp(16px,3vw,32px); }
.view{ display:none; }
.view.active{ display:block; animation:fade .25s ease; }
@keyframes fade{ from{opacity:0; transform:translateY(4px)} to{opacity:1; transform:none} }
.view-head{ margin-bottom:var(--sp-5); }
.view-head h2{ font-size:1.7rem; font-weight:700; }
.view-head p{ margin:6px 0 0; color:var(--neutral-600); max-width:76ch; }

.grid{ display:grid; gap:var(--sp-4); }
.g2{ grid-template-columns:repeat(2,1fr); }
.g3{ grid-template-columns:repeat(3,1fr); }
.g4{ grid-template-columns:repeat(4,1fr); }
.g6{ grid-template-columns:repeat(6,1fr); }
@media(max-width:1080px){ .g4,.g6{grid-template-columns:repeat(3,1fr)} .g3{grid-template-columns:repeat(2,1fr)} }
@media(max-width:760px){ .g2,.g3,.g4,.g6{grid-template-columns:1fr 1fr} }
@media(max-width:520px){ .g2,.g3,.g4,.g6{grid-template-columns:1fr} }

.card{ background:var(--white); border:1px solid var(--neutral-200); border-radius:var(--r-card);
  padding:var(--sp-5); box-shadow:var(--shadow); min-width:0; }
.card .card-title{ font-family:var(--font-display); font-weight:600; font-size:1.02rem; }
.card .card-sub{ font-family:var(--font-mono); font-size:var(--t-micro); text-transform:uppercase;
  letter-spacing:.07em; color:var(--neutral-500); margin-top:2px; }

/* ---------------- Stat cards ---------------- */
.stat{ background:var(--white); border:1px solid var(--neutral-200); border-radius:var(--r-card);
  padding:18px 20px; box-shadow:var(--shadow); display:flex; flex-direction:column; gap:4px; min-width:0; }
.stat .k{ font-family:var(--font-mono); font-size:var(--t-micro); text-transform:uppercase;
  letter-spacing:.08em; color:var(--neutral-500); }
.stat .v{ font-family:var(--font-display); font-weight:800; font-size:1.9rem; letter-spacing:-.03em; line-height:1.05; }
.stat .d{ font-size:var(--t-small); color:var(--neutral-500); overflow-wrap:anywhere; }
.stat.ink{ background:var(--ink); border-color:var(--ink); }
.stat.ink .k{ color:var(--petrol-300); } .stat.ink .v{ color:#fff; } .stat.ink .d{ color:var(--neutral-300); }
.stat.petrol{ background:var(--petrol-600); border-color:var(--petrol-600); }
.stat.petrol .k{ color:rgba(255,255,255,.8); } .stat.petrol .v{ color:#fff; } .stat.petrol .d{ color:rgba(255,255,255,.85); }

/* ---------------- Tags / pills / banners ---------------- */
.pill{ display:inline-flex; align-items:center; gap:6px; font-family:var(--font-mono);
  font-size:var(--t-micro); letter-spacing:.03em; padding:3px 9px; border-radius:var(--r-pill);
  background:var(--neutral-100); color:var(--neutral-700); white-space:nowrap; }
.pill.concept{ background:#f3e8ff; color:#7c3aed; vertical-align:middle; }
.pill.ok{ background:#e6f3ee; color:#1f6b4f; }
.pill.warn{ background:#fbeede; color:#9a5212; }
.pill.err{ background:#f8e3e6; color:#9a2f3a; }
.pill.cat-stadt{ background:var(--petrol-100); color:var(--petrol-700); }
.pill.cat-tochter{ background:#e6f3ee; color:#1f6b4f; }
.pill.cat-land{ background:#fbeede; color:#9a5212; }
.pill.cat-bund{ background:#ece9f4; color:#5b4a86; }
.pill.cat-kommunal-sonst{ background:#eef6e2; color:#4f7a1e; }
.pill.cat-sonstige{ background:var(--neutral-100); color:var(--neutral-600); }

.banner{ border-radius:var(--r-card); padding:14px 18px; font-size:.95rem; line-height:1.5; }
.banner.warn{ background:#fdf6e8; border:1px solid #ecd9a8; color:#6b5210; }
.banner.info{ background:var(--petrol-100); border:1px solid var(--petrol-200); color:var(--petrol-800); }

/* ---------------- Tooltip ---------------- */
.tt{ position:fixed; z-index:200; pointer-events:none; background:var(--ink); color:#fff;
  border-radius:10px; padding:10px 12px; font-size:var(--t-small); box-shadow:0 10px 30px -8px rgba(0,0,0,.5);
  max-width:300px; opacity:0; transition:opacity .12s; }
.tt.show{ opacity:1; }
.tt b{ font-family:var(--font-display); font-weight:700; }
.tt .row{ display:flex; justify-content:space-between; gap:18px; margin-top:3px; color:var(--neutral-300); }
.tt .row span:last-child{ font-family:var(--font-mono); color:#fff; }
.tt .def{ margin-top:5px; color:var(--neutral-200); line-height:1.45; font-weight:400; text-transform:none; letter-spacing:0; }

/* ---------------- Metric info icon (ⓘ) ---------------- */
.info-i{ display:inline-flex; align-items:center; justify-content:center; font-size:.82em;
  line-height:1; color:currentColor; opacity:.45; cursor:help; vertical-align:baseline;
  margin-left:3px; user-select:none; transition:opacity .12s; }
.info-i:hover,.info-i:focus-visible{ opacity:1; outline:none; }
.info-i:focus-visible{ outline:2px solid var(--petrol-400); outline-offset:2px; border-radius:50%; }

/* ---------------- Tables ---------------- */
.table-wrap{ background:#fff; border:1px solid var(--neutral-200); border-radius:var(--r-card);
  box-shadow:var(--shadow); overflow-x:auto; overflow-y:hidden; -webkit-overflow-scrolling:touch; }
table{ width:100%; border-collapse:collapse; font-size:.9rem; }
thead th{ background:var(--neutral-100); text-align:left;
  font-family:var(--font-mono); font-size:var(--t-micro); text-transform:uppercase; letter-spacing:.06em;
  color:var(--neutral-600); padding:11px 14px; white-space:nowrap; border-bottom:1px solid var(--neutral-200); }
thead th.num{ text-align:right; }
tbody td{ padding:10px 14px; border-bottom:1px solid var(--neutral-100); }
tbody td.num{ text-align:right; font-family:var(--font-mono); font-variant-numeric:tabular-nums; white-space:nowrap; }
tbody tr:last-child td{ border-bottom:none; }

/* ---------------- Charts (SVG) ---------------- */
.chart{ width:100%; }
.gridline{ stroke:var(--neutral-200); stroke-width:1; }
.axis-txt{ font-family:var(--font-mono); font-size:10px; fill:var(--neutral-500); }
.bar{ transition:opacity .15s; cursor:default; }
.bar:hover{ opacity:.82; }
.bar-label{ font-family:var(--font-mono); font-size:10px; fill:var(--neutral-600); }
.break-line{ stroke:var(--error); stroke-width:1.6; stroke-dasharray:4 3; }
.break-label{ font-family:var(--font-mono); font-size:9px; fill:var(--error); }
.note{ font-size:var(--t-small); color:var(--neutral-500); margin-top:10px; }
.note.src-note a{ color:var(--neutral-500); text-decoration:underline dotted; }
.legend{ display:flex; flex-wrap:wrap; gap:14px; margin-top:var(--sp-3); align-items:center; }
.legend .item{ display:flex; align-items:center; gap:7px; font-size:var(--t-small); color:var(--neutral-600); }
.legend .sw{ width:18px; height:12px; border-radius:3px; flex:none; }

/* buyer list rows */
.buyer-row{ display:grid; grid-template-columns:1fr auto; gap:10px; align-items:center;
  padding:8px 0; border-bottom:1px solid var(--neutral-100); font-size:.9rem; }
.buyer-row:last-child{ border-bottom:none; }
.buyer-row .nm{ min-width:0; overflow-wrap:anywhere; line-height:1.35; }
.buyer-row .n{ font-family:var(--font-mono); color:var(--neutral-600); }

/* stacked mix bars */
.mixbar{ display:flex; height:26px; border-radius:8px; overflow:hidden; }
.mixbar span{ display:block; height:100%; }
.mixrow{ margin:14px 0 4px; }
.mixrow .lbl{ font-family:var(--font-mono); font-size:var(--t-micro); text-transform:uppercase;
  letter-spacing:.07em; color:var(--neutral-500); margin-bottom:5px; }

.footer{ background:var(--ink); color:var(--neutral-300); padding:28px clamp(16px,4vw,40px); margin-top:var(--sp-7); }
.footer .wrap{ display:flex; flex-wrap:wrap; gap:18px; justify-content:space-between; align-items:center; padding:0; }
.footer .src{ font-size:var(--t-small); max-width:70ch; line-height:1.5; }
.footer .mono{ font-size:var(--t-micro); text-transform:uppercase; letter-spacing:.08em; color:var(--neutral-500); }

/* ---------------- Mobile / small screens ---------------- */
@media(max-width:760px){
  .topbar{ flex-wrap:wrap; gap:10px 12px; padding:10px 16px; }
  .brand{ font-size:1.02rem; }
  .topbar .right{ margin-left:auto; gap:8px; flex-wrap:wrap; justify-content:flex-end; }
  .stand{ display:none; }
  .tabs{ order:3; width:100%; margin-left:0; flex-wrap:nowrap; overflow-x:auto;
    -webkit-overflow-scrolling:touch; gap:4px; padding-bottom:2px; scrollbar-width:none; }
  .tabs::-webkit-scrollbar{ display:none; }
  .tab{ flex:0 0 auto; }
  .view-head h2{ font-size:1.45rem; }
}

@media print{
  .topbar, .footer, .kbtn{ display:none !important; }
  .view{ display:block !important; page-break-after:always; }
  body{ background:#fff; }
}