/* Brain v2 — Duotone-Prinzip wie human-ai.link: Orange = Mensch, Blau = System */
:root {
  --orange: #d97742; --blue: #2b6cb0; --bg: #fafaf8; --fg: #24292e;
  --muted: #6a737d; --line: #e1e4e8; --warn: #b45309; --danger: #b91c1c;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, sans-serif;
       background: var(--bg); color: var(--fg); line-height: 1.5; }
header { background: var(--card); border-bottom: 2px solid var(--blue); }
nav { max-width: 1100px; margin: 0 auto; padding: .6rem 1rem;
      display: flex; gap: 1.2rem; align-items: center; }
nav a { color: var(--fg); text-decoration: none; font-weight: 500; }
nav a:hover { color: var(--blue); }
nav .brand { font-weight: 700; }
nav .spacer { flex: 1; }
nav .who { color: var(--muted); font-size: .85rem; }
main { max-width: 1100px; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.05rem; margin-top: 1.6rem;
     color: var(--blue); border-bottom: 1px solid var(--line); padding-bottom: .2rem; }
a { color: var(--blue); }
code { background: #f0f0ee; padding: .1em .3em; border-radius: 3px; }
.muted { color: var(--muted); font-size: .9rem; }
.nowrap { white-space: nowrap; }
.error { color: var(--danger); }
.flash { background: #e6f4ea; border: 1px solid #b7dfc2; padding: .5rem .8rem; border-radius: 6px; }

/* Kacheln */
.tiles { display: flex; flex-wrap: wrap; gap: .6rem; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 8px;
        padding: .6rem 1rem; min-width: 7rem; text-align: center; }
.tile b { display: block; font-size: 1.4rem; color: var(--blue); }
.tile span { font-size: .78rem; color: var(--muted); }
.tile.warn b { color: var(--warn); }

/* Layout */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }
section { min-width: 0; }

/* Tabellen */
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
td, th { padding: .3rem .5rem; border-bottom: 1px solid var(--line);
         text-align: left; vertical-align: top; }
tr.muted td { color: var(--muted); }

/* Badges & Chips */
.badge { display: inline-block; background: #eef2f7; color: var(--blue);
         border-radius: 10px; padding: 0 .55em; font-size: .75rem;
         text-decoration: none; }
.badge.warn { background: #fef3e2; color: var(--warn); }
.badge.ok { background: #e6f4ea; color: #1a7f37; }
.badge.b-vector { background: #e8f0fb; }
.badge.b-fts { background: #f0eafb; color: #6b46c1; }
.badge.b-trgm { background: #eafbf0; color: #1a7f37; }
.chips { display: flex; flex-wrap: wrap; gap: .4rem; }
.chip { background: var(--card); border: 1px solid var(--line); border-radius: 12px;
        padding: .15rem .7rem; font-size: .85rem; text-decoration: none; }
.chip b { color: var(--orange); }

/* Aktivität */
.bars { font-size: .8rem; }
.barrow { display: flex; align-items: center; gap: .5rem; margin: .1rem 0; }
.bardate { width: 3.2rem; color: var(--muted); }
.bar { height: .7rem; background: var(--blue); border-radius: 3px; min-width: 2px; }
.barn { color: var(--muted); }

/* Suche */
.searchform input[name=q] { width: 60%; padding: .5rem .8rem; font-size: 1rem;
  border: 1px solid var(--line); border-radius: 6px; }
.filters { margin-top: .5rem; display: flex; gap: 1.2rem; flex-wrap: wrap;
           font-size: .85rem; color: var(--muted); }
.filters input, .filters select { margin-left: .3rem; }
.hit { background: var(--card); border: 1px solid var(--line); border-radius: 8px;
       padding: .6rem .9rem; margin: .6rem 0; }
.hit.contradicted { border-left: 4px solid var(--warn); }
.hit .stmt { margin: 0 0 .3rem; }
.hit .stmt a { color: var(--fg); text-decoration: none; }
.hit .meta { margin: 0; display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.inline { display: inline; margin-left: auto; }

/* Formulare & Buttons */
.btn { border: 1px solid var(--line); background: var(--card); border-radius: 6px;
       padding: .4rem .9rem; cursor: pointer; font-size: .9rem; }
.btn.primary { background: var(--orange); border-color: var(--orange); color: #fff; }
.btn.tiny { padding: .05rem .5rem; font-size: .75rem; }
.btn.warn-btn { color: var(--warn); }
.btn.danger { color: var(--danger); }
.stack { display: flex; flex-direction: column; gap: .4rem; margin: .8rem 0;
         max-width: 26rem; }
.stack input, .stack textarea, .learnform input { padding: .4rem .6rem;
  border: 1px solid var(--line); border-radius: 6px; font: inherit; }
.tinyinput { width: 9rem; padding: .1rem .4rem; border: 1px solid var(--line);
  border-radius: 4px; font-size: .78rem; }
.learnform { display: flex; gap: .5rem; flex-wrap: wrap; }
.learnform input[name=statement] { flex: 2; min-width: 16rem; }
.learnform .small { flex: 1; min-width: 9rem; }

/* Verlauf / Widersprüche / Evidenz */
.chain { padding-left: 1.2rem; }
.chain li { margin: .3rem 0; }
.chain li.old { color: var(--muted); }
.chain li.current { color: var(--fg); }
.conflict { background: #fffaf2; border: 1px solid #f3dfc1; border-radius: 8px;
            padding: .5rem .8rem; margin: .5rem 0; font-size: .9rem; }
.conflict p { margin: .2rem 0; }
.evidence { background: var(--card); border-left: 3px solid var(--orange);
            padding: .4rem .8rem; margin: .5rem 0; font-size: .9rem; }
.stmt-h { font-size: 1.2rem; font-weight: 600; }

/* Login */
.login-card { max-width: 22rem; margin: 5rem auto; text-align: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 2rem; }
.login-card .btn { display: inline-block; margin-top: 1rem; text-decoration: none; }

/* ---------- Visualisierung ---------- */
.vizhead { display: flex; align-items: baseline; gap: 1.5rem; }
.viztabs a { margin-right: 1rem; text-decoration: none; color: var(--muted); }
.viztabs a.active { color: var(--blue); font-weight: 600; border-bottom: 2px solid var(--blue); }
.vizbar { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center;
  margin: .8rem 0; font-size: .85rem; }
.vizbar select, .vizbar input[type=text], .vizbar input:not([type]) {
  padding: .3rem .5rem; border: 1px solid var(--line); border-radius: 5px; }
#cy { width: 100%; height: 65vh; background: #fbfbf9; border: 1px solid var(--line);
  border-radius: 8px; }
.viztip { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%);
  background: #24292e; color: #fff; padding: .4rem .8rem; border-radius: 6px;
  font-size: .85rem; max-width: 70%; z-index: 20; }
.vizlegend { margin-top: .6rem; }
.lg { padding: 0 .4em; border-radius: 8px; color: #fff; font-size: .75rem; }
.lg-fact { background: #2b6cb0; } .lg-obs { background: #4a90d9; }
.lg-dec { background: #d97742; } .lg-task { background: #e0925c; } .lg-doc { background: #7aa7d4; }

/* Zeitachse */
#timeline { margin-top: 1rem; }
.tl-lane { display: flex; align-items: center; min-height: 1.8rem; border-bottom: 1px solid var(--line); }
.tl-key { width: 9rem; flex-shrink: 0; font-size: .8rem; color: var(--muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; padding-right: .5rem; }
.tl-track { position: relative; flex: 1; height: 1.4rem; }
.tl-bar { position: absolute; top: .3rem; height: .8rem; border-radius: 3px;
  opacity: .55; text-decoration: none; }
.tl-bar.active { opacity: 1; box-shadow: 0 0 0 2px #d97742; }
.tl-bar.super { opacity: .3; }
#timeline { position: relative; }
.tl-cursor { position: absolute; top: 0; bottom: 0; width: 2px; background: #d97742; pointer-events: none; }