/* ghr · research reports — central hub */
:root {
  --bg: #0f1115;
  --bg-2: #161922;
  --bg-3: #1d212c;
  --fg: #e8eaed;
  --fg-muted: #9aa3b2;
  --fg-dim: #6c7385;
  --line: #2a2f3a;
  --line-hover: #3a4150;
  --accent: #6ea8ff;
  --ok: #5cd6a8;
  --warn: #f4c14a;
  --bad: #ff7a7a;
  --code-bg: #0a0c12;
  --sidebar-w: 320px;
  --topbar-h: 52px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: ui-monospace, SF Mono, Menlo, Consolas, monospace;
  font-size: 13.5px;
  line-height: 1.5;
  overflow: hidden;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ───── Layout ───── */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  height: 100vh;
}
.sidebar {
  grid-row: 1 / 3;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column;
  overflow: hidden;
}
.topbar {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  padding: 0 18px;
  display: flex; align-items: center; gap: 12px;
}
.main {
  background: var(--bg);
  overflow: hidden;
  position: relative;
}

/* ───── Sidebar ───── */
.sidebar-header {
  padding: 16px 18px 10px;
  border-bottom: 1px solid var(--line);
}
.sidebar-header h1 {
  margin: 0 0 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  letter-spacing: 0.02em;
}
.sidebar-header .meta {
  font-size: 11px;
  color: var(--fg-dim);
}

.search-wrap {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.search-wrap input {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 7px 10px;
  border-radius: 4px;
  font-size: 12.5px;
  font-family: inherit;
  outline: none;
}
.search-wrap input:focus { border-color: var(--accent); }

.project-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0 30px;
}
.project-list::-webkit-scrollbar { width: 8px; }
.project-list::-webkit-scrollbar-thumb { background: var(--line); border-radius: 4px; }
.project-list::-webkit-scrollbar-thumb:hover { background: var(--line-hover); }

.project-group { padding: 6px 0; }
.project-header {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 18px 4px;
  cursor: pointer;
  user-select: none;
}
.project-header .swatch {
  width: 8px; height: 8px; border-radius: 2px;
}
.project-header .name {
  font-size: 12px;
  font-weight: 600;
  color: var(--fg);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.project-header .count {
  margin-left: auto;
  font-size: 10.5px;
  color: var(--fg-dim);
}
.project-header .chev {
  font-size: 10px;
  color: var(--fg-dim);
  transition: transform 0.12s ease;
}
.project-group.collapsed .chev { transform: rotate(-90deg); }
.project-group.collapsed .project-reports { display: none; }
.project-desc {
  padding: 0 18px 4px;
  font-size: 10.5px;
  color: var(--fg-dim);
  line-height: 1.4;
}

.project-reports { padding: 4px 0; }
.report-item {
  display: block;
  padding: 6px 18px 6px 32px;
  font-size: 12.5px;
  color: var(--fg-muted);
  border-left: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  position: relative;
}
.report-item:hover {
  color: var(--fg);
  background: var(--bg-3);
  text-decoration: none;
}
.report-item.active {
  color: var(--fg);
  background: var(--bg-3);
  border-left-color: var(--accent);
}
.report-item .date {
  font-size: 10px;
  color: var(--fg-dim);
  margin-left: 6px;
}

/* ───── Topbar ───── */
.crumbs { color: var(--fg-muted); font-size: 12.5px; flex: 1; }
.crumbs b { color: var(--fg); font-weight: 600; }
.crumbs .sep { color: var(--fg-dim); margin: 0 8px; }

.actions { display: flex; gap: 6px; }
.btn {
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--fg-muted);
  padding: 5px 11px;
  font-size: 12px;
  font-family: inherit;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 5px;
}
.btn:hover { color: var(--fg); border-color: var(--line-hover); }
.btn.primary { background: var(--accent); color: #0a0c12; border-color: var(--accent); }
.btn.primary:hover { color: #0a0c12; opacity: 0.9; }
.btn.active { background: var(--bg); color: var(--fg); border-color: var(--accent); }

/* ───── Main / iframe / grid ───── */
.main-iframe {
  width: 100%; height: 100%;
  border: 0;
  display: block;
}

/* Grid view */
.grid-view {
  height: 100%; overflow-y: auto;
  padding: 28px 32px 60px;
}
.grid-view h2 {
  margin: 0 0 20px;
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 22px;
}
.chip {
  padding: 4px 10px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 11.5px;
  cursor: pointer;
  color: var(--fg-muted);
}
.chip.active {
  background: var(--accent);
  color: #0a0c12;
  border-color: var(--accent);
}
.chip:hover { color: var(--fg); }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.report-card {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  display: flex; flex-direction: column;
  cursor: pointer;
  text-decoration: none;
  color: var(--fg);
  transition: border-color 0.1s, transform 0.1s;
}
.report-card:hover {
  border-color: var(--accent);
  text-decoration: none;
}
.report-card .card-head {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.report-card .swatch {
  width: 9px; height: 9px; border-radius: 2px;
}
.report-card .project-name {
  font-size: 10.5px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.report-card .card-date {
  margin-left: auto;
  font-size: 10.5px;
  color: var(--fg-dim);
  font-variant-numeric: tabular-nums;
}
.report-card .title {
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--fg);
  line-height: 1.35;
}
.report-card .summary {
  font-size: 11.5px;
  color: var(--fg-muted);
  line-height: 1.5;
  margin-bottom: 10px;
}
.report-card .tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: auto; }
.tag {
  font-size: 10px;
  padding: 1px 6px;
  background: var(--bg-3);
  color: var(--fg-dim);
  border: 1px solid var(--line);
  border-radius: 3px;
}

.empty { color: var(--fg-dim); padding: 40px 0; text-align: center; font-size: 13px; }

/* Welcome / landing */
.welcome { color: var(--fg-muted); padding: 60px 0 20px; text-align: center; }
.welcome h2 { color: var(--fg); margin-bottom: 8px; }
.welcome p { font-size: 12px; color: var(--fg-dim); margin: 4px 0; }

/* utility */
.hidden { display: none !important; }