/* GEOMETOR SEER Navigator - Web UI */
:root {
  --bg-0: #0a0d12;
  --bg-1: #11161f;
  --bg-2: #171e2b;
  --bg-3: #1f293a;
  --bg-hover: #253247;
  --bg-active: #1e3a5f;
  --border: #2a364b;
  --border-bright: #3d506e;
  --text-0: #e6edf3;
  --text-1: #9da7b3;
  --text-dim: #636e7b;
  --accent: #d4af37; /* GEOMETOR gold */
  --accent-cyan: #58a6ff;
  --good: #3fb950;
  --bad: #f85149;
  --warn: #d29922;
  --font-mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0 0 36px 0;
  background-color: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.45;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
  color: #79c0ff;
}

/* Top Header Bar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px 16px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.brand {
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--text-0);
  padding-right: 8px;
  border-right: 1px solid var(--border);
}
.brand:hover {
  text-decoration: none;
}
.brand-accent {
  color: var(--accent);
}

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
}
.bc-sep {
  color: var(--text-dim);
}
.bc-link {
  color: var(--accent-cyan);
}
.bc-current {
  color: var(--text-0);
  font-weight: 600;
}

.sibling-nav {
  display: flex;
  gap: 6px;
}
.sib-btn {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-0);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11.5px;
}
.sib-btn:hover {
  background: var(--bg-hover);
  text-decoration: none;
  border-color: var(--border-bright);
}

.topnav {
  display: flex;
  gap: 4px;
}
.topnav-link {
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--text-1);
  font-size: 12px;
  border: 1px solid transparent;
}
.topnav-link:hover {
  color: var(--text-0);
  background: var(--bg-2);
  text-decoration: none;
}
.topnav-link.active {
  color: var(--accent);
  background: var(--bg-2);
  border-color: var(--border);
  font-weight: 600;
}

/* Main Container */
.container {
  max-width: 1720px;
  margin: 0 auto;
  padding: 12px 16px;
}

/* 3-Panel Summary Header (Matches seer_navigator Horizontal Summary) */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}
@media (max-width: 960px) {
  .summary-grid {
    grid-template-columns: 1fr;
  }
}

.summary-panel {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 12px;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
}
.summary-table td {
  padding: 2px 4px;
  font-size: 12.5px;
}
.sum-key {
  color: var(--text-1);
  text-align: right;
  padding-right: 12px !important;
  width: 48%;
  white-space: nowrap;
}
.sum-val {
  color: var(--text-0);
  font-weight: 600;
  text-align: left;
}

/* Status Colors */
.status-good {
  color: var(--good);
  font-weight: 700;
}
.status-bad {
  color: var(--bad);
  font-weight: 700;
}
.status-warn {
  color: var(--warn);
  font-weight: 700;
}
.status-dim {
  color: var(--text-dim);
}

/* Filter & Toolbar Bar */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 12px;
  margin-bottom: 10px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.search-input, .select-input {
  background: var(--bg-0);
  color: var(--text-0);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
}
.search-input:focus, .select-input:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

.btn, .filter-btn {
  background: var(--bg-2);
  color: var(--text-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  cursor: pointer;
}
.btn:hover, .filter-btn:hover {
  background: var(--bg-hover);
  color: var(--text-0);
}
.btn.active, .filter-btn.active {
  background: var(--bg-active);
  color: var(--text-0);
  border-color: var(--accent-cyan);
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 11px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-1);
}

/* DataTables (Matches Textual DataTable) */
.table-wrap {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 14px;
}

.nav-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.nav-table th {
  position: sticky;
  top: 0;
  background: var(--bg-2);
  color: var(--accent);
  font-weight: 600;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border-bright);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  text-align: left;
}
.nav-table th:hover {
  background: var(--bg-3);
}
.nav-table th.num, .nav-table td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.nav-table th.center, .nav-table td.center {
  text-align: center;
}

.nav-table td {
  padding: 5px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.nav-table tbody tr {
  cursor: pointer;
}
.nav-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.015);
}
.nav-table tbody tr:hover {
  background: var(--bg-hover);
}
.nav-table tbody tr.selected-row {
  background: var(--bg-active) !important;
  outline: 1px solid var(--accent-cyan);
}

/* Collapsible Panels */
details.nav-panel {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-bottom: 12px;
}
details.nav-panel > summary {
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 600;
  color: var(--accent);
  background: var(--bg-2);
  border-radius: 4px;
  user-select: none;
}
details.nav-panel[open] > summary {
  border-bottom: 1px solid var(--border);
  border-radius: 4px 4px 0 0;
}
.panel-body {
  padding: 12px;
}

/* Puzzle Ground-Truth Pairs Row */
.pairs-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.pair-card {
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 8px 10px;
  flex: 0 0 auto;
}
.pair-card-title {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.pair-grids-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.pair-arrow {
  color: var(--text-dim);
  font-size: 16px;
}

/* ARC Grid Rendering (Matches geometor.seer.tasks.grid) */
.grid-box {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}
.grid-meta {
  font-size: 11px;
  color: var(--text-1);
}
.arc-grid {
  border-collapse: collapse;
  border: 1px solid #3a4659;
  background: #000;
}
.arc-grid td {
  padding: 0;
  border: 1px solid #222a36;
  text-align: center;
  vertical-align: middle;
  font-size: 10px;
  line-height: 1;
  font-weight: 700;
}
.arc-grid.mode-solid td {
  width: 16px;
  height: 16px;
  color: transparent;
}
.arc-grid.mode-char td {
  width: 18px;
  height: 18px;
  color: rgba(255, 255, 255, 0.92);
  text-shadow: 0 0 2px #000, 0 0 3px #000;
}
.arc-grid.mode-tiny td {
  width: 9px;
  height: 9px;
  color: transparent;
  border-width: 0.5px;
}
.arc-grid.mode-diff td {
  width: 17px;
  height: 17px;
  color: transparent;
}
.arc-grid.mode-diff td.cell-mismatch {
  outline: 2px solid #ff00ff;
  outline-offset: -2px;
  color: #fff;
  text-shadow: 0 0 3px #000;
}

/* Split Viewers (TrialSplitViewScreen & StepScreen) */
.inspector-wrapper {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  margin-top: 12px;
}
.inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.split-50-50 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 540px;
}
.split-30-70 {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 500px;
}
@media (max-width: 1100px) {
  .split-50-50, .split-30-70 {
    grid-template-columns: 1fr;
  }
}

.pane-left {
  border-right: 1px solid var(--border);
  overflow: auto;
  max-height: 780px;
}
.pane-right {
  overflow: auto;
  max-height: 780px;
  padding: 10px 12px;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  background: var(--bg-0);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  color: var(--accent);
}

pre.code-block {
  margin: 0;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-0);
  background: var(--bg-0);
  overflow-x: auto;
  white-space: pre;
}

/* TrialViewer 4-Column Row (Details, Input, Expected, Actual) */
.trial-set-heading {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  padding: 4px 8px;
  background: var(--bg-2);
  border-left: 3px solid var(--accent);
  margin: 8px 0;
}

.trial-pair-row {
  display: grid;
  grid-template-columns: 165px repeat(3, minmax(120px, auto));
  gap: 12px;
  align-items: start;
  padding: 10px;
  margin-bottom: 10px;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow-x: auto;
}

.trial-details-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
}
.trial-details-table th {
  text-align: left;
  color: var(--accent);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.trial-details-table td {
  padding: 2px 4px;
}
.trial-details-table td:first-child {
  color: var(--text-1);
  text-align: right;
  padding-right: 8px;
}
.trial-details-table td:last-child {
  font-weight: 600;
}

/* File list in StepScreen */
.file-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.file-list li {
  padding: 7px 12px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.file-list li:hover {
  background: var(--bg-hover);
}
.file-list li.active {
  background: var(--bg-active);
  color: var(--accent);
  font-weight: 600;
}

/* Tabs */
.tab-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

/* Prose / Retrospective Content */
.prose-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 20px 28px;
  margin-bottom: 16px;
  font-family: var(--font-sans);
  font-size: 14.5px;
  line-height: 1.65;
}
.prose-card h1, .prose-card h2, .prose-card h3 {
  font-family: var(--font-mono);
  color: var(--accent);
  margin-top: 1.2em;
  margin-bottom: 0.5em;
}
.prose-card h1 {
  margin-top: 0;
  font-size: 22px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
}
.prose-card h2 {
  font-size: 17px;
}
.prose-card code {
  font-family: var(--font-mono);
  background: var(--bg-0);
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 13px;
}

/* Footer Status Bar */
.statusbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 16px;
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  font-size: 11.5px;
  color: var(--text-1);
}
.statusbar-left {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
kbd {
  background: var(--bg-0);
  border: 1px solid var(--border-bright);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 10.5px;
  color: var(--accent);
}