/* layout.css — structural layout for Merger Control Navigator */

.app {
  min-height: 100vh;
  display: grid;
  grid-template-rows: repeat(5, auto);
  align-content: start;
  background: var(--bg);
}

/* ── Top bar ────────────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev);
  flex-wrap: wrap;
}
.topbar .brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-heading);
  font-weight: 600; letter-spacing: -0.01em;
  font-size: var(--text-md);
}
body[data-direction="operator"] .topbar .brand { font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; font-size: var(--text-sm); }
.topbar .brand .mark {
  width: 22px; height: 22px;
  background: var(--accent); color: var(--accent-fg);
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  font-family: var(--font-ui); font-weight: 700; font-size: 11px;
}
.topbar .matter-switch {
  display: flex; align-items: center; gap: 6px;
  background: var(--bg-deep); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 4px;
}
.topbar .matter-switch button {
  appearance: none; border: 0; background: transparent;
  padding: 6px 12px; border-radius: calc(var(--r-md) - 2px);
  color: var(--fg-muted); cursor: pointer;
  font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 500;
  white-space: nowrap;
}
.topbar .matter-switch button.active {
  background: var(--bg-elev); color: var(--fg);
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.topbar .right { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.topbar .user {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-ui); font-size: var(--text-sm); color: var(--fg-muted);
}
.topbar .user .avatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--bg-deep); border: 1px solid var(--border);
  display: grid; place-items: center; font-size: 11px; font-weight: 600; color: var(--fg);
}

/* ── Matter header ──────────────────────────────────────────────────── */
.matter-header {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  background: var(--bg);
}
.matter-header .title-block { min-width: 0; }
.matter-header .actions {
  display: flex; gap: 8px; align-items: flex-start;
  flex-wrap: wrap; justify-content: flex-end;
}
.matter-header .title-block h1 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.1;
}
body[data-direction="operator"] .matter-header .title-block h1 {
  text-transform: uppercase; letter-spacing: 0.04em; font-size: var(--text-xl);
}
.matter-header .meta {
  display: flex; flex-wrap: wrap; gap: 10px 14px; row-gap: 6px;
  font-family: var(--font-ui); font-size: var(--text-sm); color: var(--fg-muted);
  align-items: center;
}
.matter-header .meta .dot { color: var(--fg-faint); }
.matter-header .meta .pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 2px 8px; border-radius: 100px;
  background: var(--bg-deep); border: 1px solid var(--border);
  font-size: var(--text-xs); font-weight: 500;
}
.matter-header .actions { display: flex; gap: 8px; align-items: flex-start; flex-wrap: wrap; justify-content: flex-end; }

/* ── Buttons ──────────────────────────────────────────────────────── */
.btn {
  appearance: none; border: 1px solid var(--border-strong);
  background: var(--bg-elev); color: var(--fg);
  font-family: var(--font-ui); font-size: var(--text-sm); font-weight: 500;
  padding: 7px 12px; border-radius: var(--r-md);
  cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
  transition: background 120ms ease;
}
.btn:hover { background: var(--bg-deep); }
.btn.primary {
  background: var(--accent); color: var(--accent-fg); border-color: var(--accent);
  box-shadow: 0 1px 2px rgba(107,23,107,0.22);
}
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { border-color: transparent; background: transparent; color: var(--fg-muted); }
.btn.ghost:hover { background: var(--bg-deep); color: var(--fg); }
.btn.danger { color: var(--required-fg); border-color: var(--required-bg); }
body[data-direction="operator"] .btn { text-transform: uppercase; letter-spacing: 0.06em; font-size: var(--text-xs); }

/* ── Stats strip ──────────────────────────────────────────────────── */
.stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--gap);
  padding: 18px 24px 6px;
}
.stat {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 4px;
  position: relative; overflow: hidden;
  min-width: 0;
}
.stat .label {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
  display: flex; align-items: center; gap: 6px;
  white-space: nowrap;
}
.stat .value {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
body[data-direction="operator"] .stat .value { font-family: var(--font-mono); font-weight: 700; }
.stat .sub {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: var(--fg-faint);
  margin-top: 2px;
}
.stat.required .swatch { background: var(--required-bg); }
.stat.borderline .swatch { background: var(--borderline-bg); }
.stat.info .swatch { background: var(--info-bg); }
.stat.notreq .swatch { background: var(--notreq-bg); }
.stat.attn .swatch { background: var(--accent-soft); }
.stat .swatch {
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
}
body[data-direction="chambers"] .stat .swatch { width: 0; }
body[data-direction="chambers"] .stat .label::before {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  background: var(--swatch-color, var(--accent-soft));
}
body[data-direction="chambers"] .stat.required .label::before    { background: var(--required-fg); }
body[data-direction="chambers"] .stat.borderline .label::before  { background: var(--borderline-fg); }
body[data-direction="chambers"] .stat.info .label::before        { background: var(--info-fg); }
body[data-direction="chambers"] .stat.notreq .label::before      { background: var(--notreq-fg); }
body[data-direction="chambers"] .stat.attn .label::before        { background: var(--accent); }

/* ── Regional overview band (full-width, above the split) ─────────── */
.overview-band {
  padding: 12px 24px 0;
}
.overview-band .map-card .grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(440px, 1fr));
  gap: 12px 32px;
  align-items: start;
}

/* ── Main split ──────────────────────────────────────────────────── */
.main {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: var(--gap);
  padding: 12px 24px 24px;
  align-items: stretch;
}
.main.no-map .map-wrap { display: none; }
.main.no-detail { grid-template-columns: 1fr; }

.left-col { display: flex; flex-direction: column; gap: var(--gap); min-width: 0; }
.right-col { display: flex; flex-direction: column; gap: var(--gap); }
/* Detail panel fills the column so its bottom edge aligns with the table */
.right-col .card.detail { flex: 1 1 auto; display: flex; flex-direction: column; min-height: 0; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(20,12,20,0.04), 0 2px 6px rgba(20,12,20,0.03);
}
/* Operator keeps its flat terminal aesthetic */
body[data-direction="operator"] .card { box-shadow: none; }
body[data-dark="true"] .card { box-shadow: 0 1px 2px rgba(0,0,0,0.30); }
body[data-dark="true"][data-direction="operator"] .card { box-shadow: none; }
.card-hd {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  font-weight: 600;
}
body[data-direction="operator"] .card-hd { text-transform: uppercase; letter-spacing: 0.06em; font-size: var(--text-xs); }
.card-hd .right { margin-left: auto; display: flex; gap: 8px; }