/* Overwatch Capability Views — Brutal Light Theme */
/* Derived from Tacit .brutallight tokens */

:root {
  --bg: #ffffff;
  --fg: #000000;
  --muted-bg: #f0f0f0;
  --muted-fg: #555555;
  --dim-fg: #6e6e6e;
  --border: #5c5c5c;
  --border-strong: #000000;
  --accent: #ff6b35;
  --accent-dark: #d45a2a;
  --accent-bg: rgba(255, 107, 53, 0.10);
  --danger: #cc0000;
  --ok: #006600;
  --info: #1d4ed8;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Liberation Mono", monospace;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--fg); text-decoration: none; border-bottom: 1px solid var(--border-strong); }
a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.shell { max-width: 1080px; margin: 0 auto; padding: 32px 32px 64px; }

/* Top nav */
.topnav {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg);
  border-bottom: 2px solid var(--border-strong);
  margin: -32px -32px 24px;
  padding: 12px 32px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
}
.topnav .brand { font-weight: 900; }
.topnav .nav-links a { margin-left: 12px; border-bottom: none; }
.topnav .nav-links a:hover { color: var(--accent); }
.topnav .dots { display: flex; gap: 6px; }
.topnav .dot { width: 10px; height: 10px; background: var(--muted-bg); border: 1px solid var(--border); }
.topnav .dot.active { background: var(--accent); border-color: var(--accent); }
/* Done-dots are circles so they are not confused with the filled black squares of the cluster legend. */
.topnav .dot.done { background: var(--fg); border-color: var(--fg); border-radius: 50%; }

/* Header */
header.page-head { border-bottom: 2px solid var(--border-strong); padding-bottom: 20px; margin-bottom: 24px; }
.eyebrow { font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted-fg); margin-bottom: 10px; }
h1.page-title { font-size: 26px; font-weight: 900; text-transform: uppercase; letter-spacing: -0.5px; line-height: 1.1; }
h1.page-title .accent { color: var(--accent); }
.subtitle { margin-top: 12px; font-size: 13px; max-width: 68ch; color: var(--muted-fg); }

/* Diagram frame */
.diagram {
  border: 2px solid var(--border-strong);
  background: var(--bg);
  margin: 24px 0;
  cursor: zoom-in;
  position: relative;
}
.diagram .diag-head {
  border-bottom: 1px solid var(--border);
  padding: 8px 12px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase; color: var(--muted-fg);
  background: var(--muted-bg);
}
.diagram .diag-head .zoom-hint::before { content: "◱ "; color: var(--accent); }
.diagram .diag-body { padding: 24px 16px; overflow-x: auto; }
.diagram .diag-body .mermaid { display: flex; justify-content: center; min-height: 200px; }
.diagram .diag-body table { border-collapse: collapse; font-size: 12px; margin: 0 auto; }
.diagram .diag-body table th, .diagram .diag-body table td { border: 1px solid var(--border-strong); padding: 4px 6px; text-align: center; }
.diagram .diag-body table thead th { background: var(--fg); color: var(--bg); font-weight: 700; }

/* Lightbox */
.lightbox {
  display: none; position: fixed; inset: 0;
  background: var(--bg);
  z-index: 2000;
  flex-direction: column;
}
.lightbox.open { display: flex; }
.lightbox .lb-head {
  border-bottom: 2px solid var(--border-strong);
  padding: 12px 24px;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; letter-spacing: 1px; text-transform: uppercase;
}
.lightbox .lb-head .title { font-weight: 900; }
.lightbox .lb-close {
  border: 2px solid var(--border-strong); background: var(--bg);
  padding: 6px 14px; cursor: pointer;
  font-family: inherit; font-size: 11px; letter-spacing: 2px; text-transform: uppercase;
}
.lightbox .lb-close:hover { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.lightbox .lb-body {
  flex: 1; overflow: auto; padding: 32px;
  display: flex; justify-content: center; align-items: flex-start;
}
.lightbox .lb-body .mermaid { display: flex; justify-content: center; min-width: 100%; }
.lightbox .lb-body .mermaid svg { max-width: none !important; height: auto !important; }
.lightbox .lb-body table { border-collapse: collapse; font-size: 14px; margin: 0 auto; }
.lightbox .lb-body table th, .lightbox .lb-body table td { border: 1px solid var(--border-strong); padding: 6px 10px; text-align: center; }
.lightbox .lb-body table thead th { background: var(--fg); color: var(--bg); }

/* Legend */
.legend {
  margin-top: 24px; padding: 16px; border: 1px dashed var(--border);
  font-size: 12px; color: var(--muted-fg);
}
.legend h3 { color: var(--fg); font-weight: 700; text-transform: uppercase; letter-spacing: 1px; font-size: 11px; margin-bottom: 10px; }
.legend ul { list-style: none; }
.legend li { padding: 3px 0; }
.legend li b, .legend li strong { color: var(--fg); }
.legend .chip { display: inline-block; width: 20px; text-align: center; padding: 1px 6px; margin-right: 8px; font-weight: 700; font-size: 11px; border: 1px solid var(--border-strong); }
.legend .chip-p { background: var(--fg); color: var(--bg); }
.legend .chip-s { background: var(--muted-bg); color: var(--fg); }
.legend .chip-o { color: var(--dim-fg); }
.legend .chip-gate { background: var(--accent); color: var(--bg); border-color: var(--accent); }

.bottom-nav {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 40px; padding-top: 20px;
  border-top: 2px solid var(--border-strong);
}
.bottom-nav a {
  flex: 1; border: 2px solid var(--border-strong); padding: 14px 16px;
  border-bottom: 2px solid var(--border-strong);
}
.bottom-nav a:hover { background: var(--accent-bg); border-color: var(--accent); color: var(--fg); }
.bottom-nav a.disabled { opacity: 0.35; pointer-events: none; }
.bottom-nav .next { text-align: right; }
.bottom-nav .label { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted-fg); display: block; margin-bottom: 4px; }
.bottom-nav .title { font-size: 13px; font-weight: 700; }

/* Matrix cell styles */
.mark-p { background: var(--fg); color: var(--bg); font-weight: 700; }
.mark-s { background: var(--muted-bg); color: var(--fg); font-weight: 600; }
.mark-o { color: var(--dim-fg); opacity: 0.5; }

/* Gantt + lane styles for sequencing pages */
.lane-row { display: grid; grid-template-columns: 160px 1fr; gap: 0; border-bottom: 1px solid var(--border); min-height: 40px; align-items: stretch; }
.lane-row:last-child { border-bottom: none; }
.lane-label { background: var(--muted-bg); padding: 10px 12px; border-right: 2px solid var(--border-strong); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; font-weight: 700; display: flex; align-items: center; }
.lane-track { position: relative; padding: 6px 0; }
.bar { position: absolute; height: 24px; top: 8px; border: 2px solid var(--border-strong); font-size: 10px; padding: 4px 8px; letter-spacing: 0.5px; background: var(--muted-bg); display: flex; align-items: center; white-space: nowrap; overflow: hidden; }
.bar.critical { background: var(--fg); color: var(--bg); font-weight: 700; }
.bar.accent { background: var(--accent); color: var(--bg); border-color: var(--accent); font-weight: 700; }
.bar.outline { background: var(--bg); }
.gate-marker { position: absolute; top: -4px; height: 44px; width: 2px; background: var(--accent); }
.gate-marker::after { content: attr(data-label); position: absolute; top: -16px; left: -18px; background: var(--accent); color: var(--bg); font-size: 9px; padding: 1px 4px; letter-spacing: 1px; white-space: nowrap; }
.week-header { display: grid; grid-template-columns: 160px 1fr; }
.week-header .weeks { display: grid; grid-template-columns: repeat(13, 1fr); }
.week-header .week { font-size: 10px; text-align: center; padding: 6px 0; background: var(--muted-bg); border-right: 1px solid var(--border); border-bottom: 2px solid var(--border-strong); font-weight: 700; letter-spacing: 1px; }
.week-header .week.phase-core { color: var(--accent); }
.week-header .week.phase-ext { color: var(--info); }
.week-header .spacer { background: var(--fg); border-bottom: 2px solid var(--border-strong); }

/* ---------------- Gate diamonds + tooltip cards (shared across 07 & 08) ---------------- */

/* Wrapper gives a hover target larger than the diamond itself */
.gate-diamond {
  position: relative;
  display: inline-block;
  vertical-align: middle;
  cursor: help;
}
.gate-diamond button,
.gate-diamond .diamond {
  all: unset;
  box-sizing: border-box;
  width: 36px; height: 36px;
  background: var(--accent);
  color: #fff;
  transform: rotate(45deg);
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--border-strong);
  cursor: help;
}
.gate-diamond .label {
  transform: rotate(-45deg);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.5px;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  pointer-events: none;
}

/* Variant colours — mirror the 4-cluster palette */
.gate-diamond.tone-accent  .diamond { background: var(--accent); }
.gate-diamond.tone-fg      .diamond { background: var(--fg); }
.gate-diamond.tone-info    .diamond { background: var(--info); }
.gate-diamond.tone-ok      .diamond { background: var(--ok); }

/* Tooltip card — shows on hover/focus, stays brutalist */
.gate-card {
  position: absolute;
  left: 50%;
  top: calc(100% + 12px);
  transform: translateX(-50%);
  min-width: 280px;
  max-width: 340px;
  background: var(--bg);
  border: 2px solid var(--border-strong);
  box-shadow: none;
  padding: 12px 14px;
  z-index: 100;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.12s ease, visibility 0.12s ease;
}
.gate-card::before {
  /* small connector notch */
  content: "";
  position: absolute;
  top: -9px; left: 50%;
  width: 14px; height: 14px;
  background: var(--bg);
  border-top: 2px solid var(--border-strong);
  border-left: 2px solid var(--border-strong);
  transform: translateX(-50%) rotate(45deg);
}
.gate-diamond:hover .gate-card,
.gate-diamond:focus-within .gate-card {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.gate-card .gc-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
  margin-bottom: 8px;
}
.gate-card .gc-id {
  font-size: 13px; font-weight: 900;
  letter-spacing: 0.5px;
  color: var(--accent);
  font-family: ui-monospace, monospace;
}
.gate-card .gc-when {
  font-size: 10px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--muted-fg); font-weight: 700;
}
.gate-card .gc-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.gate-card dl {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 4px 10px;
  font-size: 11px;
  line-height: 1.45;
  color: var(--fg);
}
.gate-card dt {
  color: var(--muted-fg);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
  font-size: 9px;
  padding-top: 2px;
}
.gate-card dd { margin: 0; }
.gate-card dd strong { color: var(--fg); }

/* Right-edge gate: flip the card to the left so it doesn't get cut off */
.gate-diamond.flip-left .gate-card { left: auto; right: 50%; transform: translateX(50%); }

/* Inline-list variant used by 07 page table legend — no tooltip, just consistent sizing */
.gate-table .gate-diamond { width: 28px; height: 28px; }
.gate-table .gate-diamond .diamond { width: 28px; height: 28px; }
.gate-table .gate-diamond .label { font-size: 9px; }