/* ── Tokens ─────────────────────────────────────────── */
:root, [data-theme="dark"] {
  --bg-canvas:   #0d1117;
  --bg-surface:  #161b22;
  --bg-overlay:  #21262d;
  --bg-inset:    #010409;
  --border:      #30363d;
  --border-light:#484f58;
  --text:        #e6edf3;
  --text-sec:    #8b949e;
  --text-muted:  #484f58;
  --accent:      #58a6ff;
  --green:       #3fb950;
  --yellow:      #d29922;
  --red:         #f85149;
  --purple:      #bc8cff;
  --orange:      #d18616;
  --teal:        #39d353;
  --canvas-fg:   rgba(0,0,0,0.8);
  --canvas-bg:   #0d1117;
  --canvas-surface: #161b22;
  --canvas-dim:  rgba(0,0,0,0.55);
  --mono: 'SF Mono', 'Menlo', 'Monaco', 'Cascadia Code', 'Consolas', monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --radius: 8px;
}

[data-theme="light"] {
  --bg-canvas:   #ffffff;
  --bg-surface:  #f6f8fa;
  --bg-overlay:  #eaeef2;
  --bg-inset:    #f0f3f6;
  --border:      #d0d7de;
  --border-light:#afb8c1;
  --text:        #1f2328;
  --text-sec:    #656d76;
  --text-muted:  #8c959f;
  --accent:      #0969da;
  --green:       #1a7f37;
  --yellow:      #9a6700;
  --red:         #cf222e;
  --purple:      #8250df;
  --orange:      #bc4c00;
  --teal:        #0a7640;
  --canvas-fg:   rgba(255,255,255,0.9);
  --canvas-bg:   #ffffff;
  --canvas-surface: #f6f8fa;
  --canvas-dim:  rgba(255,255,255,0.6);
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-canvas:   #ffffff;
    --bg-surface:  #f6f8fa;
    --bg-overlay:  #eaeef2;
    --bg-inset:    #f0f3f6;
    --border:      #d0d7de;
    --border-light:#afb8c1;
    --text:        #1f2328;
    --text-sec:    #656d76;
    --text-muted:  #8c959f;
    --accent:      #0969da;
    --green:       #1a7f37;
    --yellow:      #9a6700;
    --red:         #cf222e;
    --purple:      #8250df;
    --orange:      #bc4c00;
    --teal:        #0a7640;
    --canvas-fg:   rgba(255,255,255,0.9);
    --canvas-bg:   #ffffff;
    --canvas-surface: #f6f8fa;
    --canvas-dim:  rgba(255,255,255,0.6);
  }
}

/* ── Reset ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
  font-family: var(--sans);
  background: var(--bg-canvas);
  color: var(--text);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  font-weight: 500;
}
code, pre { font-family: var(--mono); }
h1, h2, h3 { font-weight: 600; }

/* ── Drop Zone ─────────────────────────────────────── */
.dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  cursor: pointer;
  transition: background 0.2s;
}
.dropzone.drag-over {
  background: rgba(88, 166, 255, 0.06);
}
.dropzone-content {
  text-align: center;
  padding: 4rem;
  border: 2px dashed var(--border);
  border-radius: 16px;
  max-width: 520px;
  transition: border-color 0.2s, transform 0.2s;
}
.drag-over .dropzone-content {
  border-color: var(--accent);
  transform: scale(1.02);
}
.dropzone-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  filter: grayscale(0.3);
}
.dropzone h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}
.dropzone p { color: var(--text-sec); margin-top: 0.25rem; }
.dropzone code {
  background: var(--bg-overlay);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
  color: var(--accent);
}
.text-muted { color: var(--text-muted); font-size: 0.85rem; }
.landing-theme-btn {
  position: fixed; top: 1rem; right: 1rem; z-index: 50;
  background: var(--bg-overlay); border: 1px solid var(--border);
  color: var(--text-sec); width: 36px; height: 36px;
  border-radius: 50%; cursor: pointer; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s;
}
.landing-theme-btn:hover { background: var(--border); color: var(--text); }
.results .landing-theme-btn { display: none; }
.try-example-link {
  color: var(--accent); text-decoration: none;
  font-weight: 500; font-size: 0.9rem;
  transition: color 0.15s;
}
.try-example-link:hover { color: var(--text); text-decoration: underline; }

.landing-examples {
  text-align: center;
  padding: 1rem 0;
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-size: 0.85rem;
}

/* ── Loading ───────────────────────────────────────── */
.loading {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: rgba(1, 4, 9, 0.88);
  z-index: 100;
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.loading-content {
  text-align: center;
  animation: loadPulse 1.5s ease-in-out infinite;
}
@keyframes loadPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}
.spinner {
  width: 44px; height: 44px; margin: 0 auto;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-title {
  margin-top: 1.25rem; color: var(--text);
  font-size: 1rem; font-weight: 600;
}
.loading-sub {
  margin-top: 0.35rem; color: var(--text-muted);
  font-size: 0.85rem;
  animation: ellipsis 1.5s steps(3) infinite;
}
@keyframes ellipsis {
  0% { content: ''; }
  33% { content: '.'; }
  66% { content: '..'; }
}
.loading-bar {
  margin-top: 1rem; width: 200px;
  height: 3px; border-radius: 2px;
  background: var(--border);
  overflow: hidden;
}
.loading-bar-fill {
  height: 100%; border-radius: 2px;
  background: var(--accent);
  animation: indeterminate 1.5s ease-in-out infinite;
}
@keyframes indeterminate {
  0% { width: 0%; margin-left: 0; }
  50% { width: 60%; margin-left: 20%; }
  100% { width: 0%; margin-left: 100%; }
}

/* ── Error ─────────────────────────────────────────── */
.error-banner {
  position: fixed; top: 1rem; left: 50%; transform: translateX(-50%);
  background: #3d1214; color: var(--red); border: 1px solid #6e2b2d;
  padding: 0.75rem 1.25rem; border-radius: var(--radius);
  display: flex; align-items: center; gap: 1rem;
  z-index: 200; max-width: 600px; font-size: 0.9rem;
}
.btn-dismiss {
  background: none; border: none; color: var(--red);
  cursor: pointer; font-size: 1rem;
}

/* ── Results Layout ────────────────────────────────── */
.results-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
}
.header-left { display: flex; align-items: center; gap: 0.75rem; }
.header-title { display: flex; flex-direction: column; }
.header-left h1 { font-size: 1.1rem; white-space: nowrap; }
.header-subtitle {
  font-size: 0.8rem; color: var(--text-muted);
  font-family: var(--mono);
}
.btn-back {
  background: var(--bg-overlay); border: 1px solid var(--border);
  color: var(--text-sec); padding: 0.35rem 0.6rem;
  border-radius: 6px; cursor: pointer; font-size: 0.9rem;
  transition: background 0.15s;
}
.btn-back:hover { background: var(--border); color: var(--text); }

.example-banner {
  padding: 0.25rem 0;
  background: var(--accent);
  color: #fff; font-size: 0.7rem; font-weight: 500;
  text-align: center; line-height: 1;
}
.example-banner .btn-dismiss { color: #fff; font-size: 0.7rem; margin-left: 0.5rem; }

.header-meta {
  display: flex; gap: 1.25rem; font-size: 0.85rem;
  color: var(--text-sec); flex-wrap: wrap;
}
.meta-item { display: flex; align-items: center; gap: 0.3rem; }
.meta-label { color: var(--text-muted); }
.meta-value { color: var(--text); font-family: var(--mono); }

.header-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }
.btn-header {
  background: var(--bg-overlay); border: 1px solid var(--border);
  color: var(--text-sec); padding: 0.3rem 0.65rem;
  border-radius: 6px; cursor: pointer; font-size: 0.8rem;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.btn-header:hover { background: var(--border); color: var(--text); }
.btn-header.copied { background: var(--green); color: #000; border-color: var(--green); }

.results-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.5rem;
  display: flex; flex-direction: column; gap: 1.25rem;
}

/* ── Cards ─────────────────────────────────────────── */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.card h2 {
  font-size: 1rem; margin-bottom: 1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.card h3 { font-size: 0.9rem; margin: 1rem 0 0.5rem; color: var(--text-sec); }
.subtitle { font-weight: 400; color: var(--text-muted); font-size: 0.85rem; }

/* ── Collapsible sections ──────────────────────────── */
.card details summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center;
}
.card details summary::-webkit-details-marker { display: none; }
.card details summary::before {
  content: '\25B6'; /* ▶ */
  font-size: 0.6rem; color: var(--text-muted);
  margin-right: 0.5rem;
  transition: transform 0.15s;
  display: inline-block;
}
.card details[open] summary::before {
  transform: rotate(90deg);
}
.card details summary h2 { margin-bottom: 0; }
.card details[open] summary h2 { margin-bottom: 0; }
.card details[open] summary { margin-bottom: 1rem; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
}

/* ── Hero Metrics Bar ──────────────────────────────── */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}
.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
  transition: border-color 0.15s;
}
.metric-card:hover { border-color: var(--border-light); }
.metric-card.has-warning { border-color: rgba(210, 153, 34, 0.4); }
.metric-card.has-critical { border-color: rgba(248, 81, 73, 0.4); }
.metric-value {
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
}
.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ── Phase Bar ─────────────────────────────────────── */
.phase-bar {
  display: flex;
  height: 32px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-inset);
}
.phase-segment {
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; font-weight: 600;
  color: rgba(0,0,0,0.7);
  min-width: 2px;
  transition: opacity 0.15s;
  cursor: default;
}
.phase-segment:hover { opacity: 0.85; }
.phase-segment .seg-label {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  padding: 0 0.3rem;
}

.phase-legend {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-top: 0.75rem; font-size: 0.8rem;
}
.legend-item {
  display: flex; align-items: center; gap: 0.35rem;
  color: var(--text-sec);
}
.legend-dot {
  width: 10px; height: 10px; border-radius: 2px;
  flex-shrink: 0;
}
.legend-pct { font-family: var(--mono); color: var(--text); }
.legend-time { color: var(--text-muted); }

/* ── Findings ──────────────────────────────────────── */
.findings-card { border-color: rgba(88, 166, 255, 0.2); }
.findings-card:empty, .findings:empty { display: none; }
.findings { display: flex; flex-direction: column; gap: 0.5rem; }
.finding {
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  border-left: 3px solid transparent;
}
.finding-critical {
  background: rgba(248, 81, 73, 0.06);
  border-left-color: var(--red);
}
.finding-warning {
  background: rgba(210, 153, 34, 0.06);
  border-left-color: var(--yellow);
}
.finding-info {
  background: rgba(88, 166, 255, 0.06);
  border-left-color: var(--accent);
}
.finding-title {
  font-weight: 600;
  margin-bottom: 0.2rem;
}
.finding-detail {
  color: var(--text-sec);
  font-size: 0.8rem;
}
.finding-example {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.3rem;
  word-break: break-all;
  max-height: 2.5em;
  overflow: hidden;
}
.finding-nav {
  font-size: 0.7rem; color: var(--accent);
  font-weight: 400; margin-left: 0.4rem;
  opacity: 0; transition: opacity 0.15s;
}
.finding[data-time]:hover .finding-nav { opacity: 1; }

/* ── Models List (service-modeling style) ──────────── */
.models-list { display: flex; flex-direction: column; gap: 2px; }
.model-row-header {
  display: grid;
  grid-template-columns: 1fr 45px 55px 50px;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 0.5rem 0.3rem;
  border-bottom: 1px solid var(--border);
}
.model-row {
  display: grid;
  grid-template-columns: 1fr 45px 55px 50px;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  align-items: center;
}
.model-row:hover { background: var(--bg-overlay); }
.model-name {
  font-family: var(--mono);
  color: var(--accent);
  word-break: break-word;
  font-size: 0.75rem;
  line-height: 1.3;
}
.model-count { font-family: var(--mono); text-align: right; }
.model-time { font-family: var(--mono); text-align: right; color: var(--text-sec); }
.model-avg { font-family: var(--mono); text-align: right; color: var(--text-muted); }
.npo-inline-badge {
  background: var(--yellow); color: #000;
  font-weight: 700; font-size: 0.6rem;
  padding: 0.05em 0.35em; border-radius: 3px;
  margin-left: 0.3rem;
  vertical-align: middle;
}
.join-inline-badge {
  background: var(--purple); color: #000;
  font-weight: 700; font-size: 0.6rem;
  padding: 0.05em 0.35em; border-radius: 3px;
  margin-left: 0.3rem;
  vertical-align: middle;
}

/* ── Tables List ──────────────────────────────────── */
.tables-list { display: flex; flex-direction: column; gap: 2px; }
.table-row-header {
  display: grid;
  grid-template-columns: 1fr 55px 70px 1fr;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0 0.5rem 0.3rem;
  border-bottom: 1px solid var(--border);
}
.table-row {
  display: grid;
  grid-template-columns: 1fr 55px 70px 1fr;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  align-items: center;
}
.table-row:hover { background: var(--bg-overlay); }
.table-name { font-family: var(--mono); color: var(--accent); }
.table-count { font-family: var(--mono); text-align: right; }
.table-time { font-family: var(--mono); text-align: right; color: var(--text-sec); }
.table-models { font-size: 0.7rem; color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Vexi / Feature Flags ─────────────────────────── */
.flags-list { display: flex; flex-direction: column; gap: 2px; }
.flags-row {
  display: grid;
  grid-template-columns: 1fr 70px 80px;
  gap: 0.5rem;
  padding: 0.45rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  align-items: center;
}
.flags-row:hover { background: var(--bg-overlay); }
.flags-name { font-family: var(--mono); color: var(--purple); }
.flags-count { font-family: var(--mono); text-align: right; }
.flags-time { font-family: var(--mono); text-align: right; color: var(--text-muted); }

/* ── Allocations ───────────────────────────────────── */
.mc-container {
  padding: 0; overflow-y: auto; flex: 1;
}
.mc-container canvas { display: block; }

.alloc-summary {
  display: flex; align-items: center; gap: 0.3rem; flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.8rem; color: var(--text-sec);
  margin-bottom: 0.75rem;
}
.alloc-table { display: flex; flex-direction: column; gap: 2px; }
.alloc-row-header {
  display: grid; grid-template-columns: 1fr 60px; gap: 0.5rem;
  font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: 0.05em; padding: 0 0.5rem 0.3rem; border-bottom: 1px solid var(--border);
}
.alloc-row {
  display: grid; grid-template-columns: 1fr 60px; gap: 0.5rem;
  padding: 0.35rem 0.5rem; border-radius: 4px; font-size: 0.8rem; align-items: center;
}
.alloc-row:hover { background: var(--bg-overlay); }
.alloc-func { font-family: var(--mono); color: var(--text); word-break: break-word; font-size: 0.75rem; }
.alloc-file { font-size: 0.7rem; color: var(--text-muted); }
.alloc-count { font-family: var(--mono); text-align: right; color: var(--text-sec); }

/* ── Dependency / Flow Diagram ──────────────────────── */
.dep-diagram-container {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
}
.flow-diagram { max-width: 700px; margin: 0 auto; }
.flow-header { margin-bottom: 0.5rem; }
.flow-controller {
  font-family: var(--mono); font-size: 1rem; font-weight: 700;
  color: var(--accent); padding: 0.75rem 1rem;
  background: var(--bg-overlay); border: 2px solid var(--accent);
  border-radius: 8px; text-align: center;
}
.flow-connector { height: 20px; display: flex; align-items: center; }
.flow-line {
  width: 2px; height: 100%; background: var(--border);
  margin-left: 22px;
}
.flow-step { }
.flow-node {
  background: var(--bg-surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 0.6rem 0.85rem;
  position: relative;
  transition: border-color 0.15s;
}
.flow-node:hover { border-color: var(--border-light); }
.flow-name {
  font-family: var(--mono); font-size: 0.85rem;
  color: var(--text); font-weight: 500;
  word-break: break-word;
}
.flow-file {
  font-size: 0.7rem; color: var(--text-muted);
  font-family: var(--mono); margin-top: 0.15rem;
}
.flow-time {
  float: right; font-family: var(--mono); font-size: 0.8rem;
  color: var(--text-sec); font-weight: 600;
}
.flow-pct { color: var(--text-muted); font-weight: 400; }
.flow-deps {
  display: flex; gap: 0.5rem; margin-top: 0.4rem;
  flex-wrap: wrap;
}
.flow-dep {
  font-family: var(--mono); font-size: 0.7rem;
  font-weight: 600; padding: 0.1em 0.4em;
  background: var(--bg-overlay); border-radius: 4px;
}

/* ── Resource Summary ──────────────────────────────── */
.dep-summary-section { margin-bottom: 1.5rem; }
.dep-section-title {
  font-size: 1rem; font-weight: 600;
  color: var(--text); margin-bottom: 0.75rem;
}
.dep-resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}
.dep-resource-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.dep-resource-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.55rem 0.75rem;
  background: var(--bg-overlay);
}
.dep-resource-cat {
  font-family: var(--mono); font-size: 0.75rem;
  font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.04em; color: var(--text);
}
.dep-resource-total {
  font-family: var(--mono); font-size: 0.75rem;
  color: var(--text-sec);
}
.dep-resource-items { padding: 0.35rem 0; }
.dep-resource-item {
  display: flex; justify-content: space-between;
  padding: 0.2rem 0.75rem;
  font-size: 0.8rem;
}
.dep-resource-item:hover { background: var(--bg-overlay); }
.dep-resource-name { font-family: var(--mono); color: var(--text-sec); }
.dep-resource-count { font-family: var(--mono); color: var(--text-muted); }
.dep-resource-more { color: var(--text-muted); font-style: italic; font-size: 0.75rem; cursor: pointer; }
.dep-resource-expand summary { list-style: none; padding: 0.2rem 0.75rem; }
.dep-resource-expand summary::-webkit-details-marker { display: none; }
.dep-resource-expand summary::before { content: '\25B6 '; font-size: 0.6rem; margin-right: 0.3rem; }
.dep-resource-expand[open] summary::before { content: '\25BC '; }

/* ── Performance Score ──────────────────────────────── */
.score-card { padding: 1rem 1.25rem; }
.score-card .score-row {
  display: flex; align-items: center; gap: 1.25rem;
}
.score-grade {
  font-size: 2.4rem; font-weight: 800;
  font-family: var(--mono); line-height: 1;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px; flex-shrink: 0;
}
.score-grade-A { background: rgba(63,185,80,0.15); color: var(--green); }
.score-grade-B { background: rgba(63,185,80,0.1); color: #7ee787; }
.score-grade-C { background: rgba(210,153,34,0.15); color: var(--yellow); }
.score-grade-D { background: rgba(248,81,73,0.1); color: #ffa198; }
.score-grade-F { background: rgba(248,81,73,0.15); color: var(--red); }
.score-details { flex: 1; }
.score-label { font-size: 0.85rem; color: var(--text-sec); margin-bottom: 0.35rem; }
.score-bars { display: flex; flex-wrap: wrap; gap: 0.4rem 1rem; }
.score-item {
  font-size: 0.8rem; color: var(--text-sec);
  display: flex; align-items: center; gap: 0.3rem;
}
.score-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.score-dot-good { background: var(--green); }
.score-dot-ok { background: var(--yellow); }
.score-dot-bad { background: var(--red); }

/* ── Copyable file paths ───────────────────────────── */
.hotspot-file-wrap {
  display: flex; align-items: center; gap: 0.25rem;
}
.hotspot-file {
  font-size: 0.7rem; color: var(--text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.copy-path-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 0.65rem;
  padding: 0 0.15rem; opacity: 0;
  transition: opacity 0.15s, color 0.15s;
}
.hotspot-row:hover .copy-path-btn { opacity: 1; }
.copy-path-btn:hover { color: var(--accent); }
.copy-path-btn.copied { color: var(--green); opacity: 1; }
.hotspots-table { font-size: 0.8rem; }
.hotspot-row-header {
  display: grid;
  grid-template-columns: 1fr 65px 50px;
  gap: 0.5rem;
  font-size: 0.7rem; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.05em;
  padding: 0 0.5rem 0.3rem;
  border-bottom: 1px solid var(--border);
}
.hotspot-row {
  display: grid;
  grid-template-columns: 1fr 65px 50px;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  border-radius: 4px;
  align-items: baseline;
}
.hotspot-row:hover { background: var(--bg-overlay); }
.hotspot-func {
  font-family: var(--mono);
  color: var(--text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hotspot-file {
  font-size: 0.7rem; color: var(--text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.hotspot-time {
  font-family: var(--mono); text-align: right;
  white-space: nowrap;
}
.hotspot-pct {
  font-family: var(--mono); text-align: right;
  white-space: nowrap; color: var(--text-sec);
}
.hotspot-bar {
  height: 3px; border-radius: 2px;
  margin-top: 0.15rem;
  background: var(--accent);
  opacity: 0.4;
}

/* ── SQL List ──────────────────────────────────────── */
.sql-list {
  max-height: 500px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 0.3rem;
}
.sql-row {
  padding: 0.5rem 0.75rem;
  background: var(--bg-inset);
  border-radius: 4px;
  font-size: 0.75rem;
}
.sql-row:hover { background: var(--bg-overlay); }
.sql-text {
  font-family: var(--mono);
  color: var(--text-sec);
  word-break: break-all;
  white-space: pre-wrap;
}
.sql-meta {
  display: flex; gap: 1rem; margin-top: 0.25rem;
  font-size: 0.7rem; color: var(--text-muted);
}
.sql-op {
  font-weight: 600; padding: 0.05em 0.35em;
  border-radius: 3px; font-size: 0.65rem;
}
.sql-op-SELECT { background: rgba(88,166,255,0.15); color: var(--accent); }
.sql-op-INSERT { background: rgba(63,185,80,0.15); color: var(--green); }
.sql-op-UPDATE { background: rgba(210,153,34,0.15); color: var(--yellow); }
.sql-op-DELETE { background: rgba(248,81,73,0.15); color: var(--red); }
.sql-sort-bar {
  display: flex; align-items: center; gap: 0.4rem;
  margin-bottom: 0.5rem; font-size: 0.75rem;
}
.sql-sort-label { color: var(--text-muted); }
.sql-sort-btn {
  background: var(--bg-overlay); border: 1px solid var(--border);
  color: var(--text-muted); padding: 0.15rem 0.5rem;
  border-radius: 4px; cursor: pointer; font-size: 0.7rem;
  transition: background 0.12s, color 0.12s;
}
.sql-sort-btn:hover { color: var(--text-sec); }
.sql-sort-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.sql-slow { border-left: 2px solid var(--red); }

/* ── Utilities ─────────────────────────────────────── */
.hidden { display: none !important; }
.empty-state {
  text-align: center; padding: 2rem;
  color: var(--text-muted); font-size: 0.85rem;
}

/* ── Compare Overlay ───────────────────────────────── */
.compare-overlay {
  position: fixed; inset: 0; z-index: 150;
  background: rgba(1, 4, 9, 0.85);
  display: flex; align-items: center; justify-content: center;
}
.compare-overlay-content {
  text-align: center; padding: 3rem;
  border: 2px dashed var(--border);
  border-radius: 16px; max-width: 420px;
}
.compare-overlay-content h2 { font-size: 1.3rem; margin-bottom: 0.5rem; }
.compare-overlay-content .btn-back { margin-top: 1rem; }

/* ── Compare Results ───────────────────────────────── */
.compare-header {
  display: flex; align-items: center; gap: 1rem;
  margin-bottom: 1rem; font-size: 0.85rem; color: var(--text-sec);
}
.compare-arrow { font-size: 1.2rem; color: var(--text-muted); }
.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 0.75rem; margin-bottom: 1.25rem;
}
.compare-metric {
  background: var(--bg-overlay); border-radius: var(--radius);
  padding: 0.85rem; text-align: center;
}
.compare-metric-label { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.compare-metric-values {
  display: flex; align-items: center; justify-content: center;
  gap: 0.4rem; margin-top: 0.3rem;
  font-family: var(--mono); font-size: 0.9rem;
}
.compare-metric-before { color: var(--text-muted); }
.compare-metric-after { color: var(--text); font-weight: 600; }
.compare-metric-delta {
  font-size: 0.75rem; font-weight: 700;
  padding: 0.1em 0.4em; border-radius: 4px;
  margin-top: 0.3rem; display: inline-block;
}
.delta-improved { background: rgba(63,185,80,0.15); color: var(--green); }
.delta-regressed { background: rgba(248,81,73,0.15); color: var(--red); }
.delta-neutral { background: var(--bg-overlay); color: var(--text-muted); }

.compare-models { margin-top: 0.5rem; }
.compare-model-row {
  display: grid; grid-template-columns: auto 1fr auto auto auto;
  gap: 0.5rem; padding: 0.35rem 0.5rem;
  font-size: 0.8rem; align-items: center;
  border-radius: 4px;
}
.compare-model-row:hover { background: var(--bg-overlay); }
.compare-badge {
  font-size: 0.65rem; font-weight: 700;
  padding: 0.1em 0.35em; border-radius: 3px;
  width: 3em; text-align: center;
}
.badge-removed { background: rgba(63,185,80,0.15); color: var(--green); }
.badge-added { background: rgba(248,81,73,0.15); color: var(--red); }
.badge-changed { background: rgba(210,153,34,0.15); color: var(--yellow); }

/* ── Compare Findings ──────────────────────────────── */
.compare-findings {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.compare-findings-col { }
.compare-findings-label {
  font-size: 0.8rem; color: var(--text-muted);
  font-weight: 600; margin-bottom: 0.5rem;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.compare-phases { }
.compare-phase-label {
  font-size: 0.75rem; color: var(--text-muted);
  margin-bottom: 0.25rem; margin-top: 0.5rem;
}
.compare-phase-label:first-child { margin-top: 0; }

/* ── Tab Bar ───────────────────────────────────────── */
.tab-bar {
  display: flex; gap: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}
.tab {
  background: none; border: none;
  color: var(--text-sec);
  padding: 0.65rem 1rem;
  font-size: 0.9rem; font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}
.tab-info {
  font-size: 0.7rem; color: var(--text-muted);
  cursor: help; margin-left: 0.15rem;
  opacity: 0.6; transition: opacity 0.15s;
}
.tab-info:hover { opacity: 1; color: var(--accent); }
.tab-content { display: none; }
.tab-content.active { display: flex; flex-direction: column; }
#tab-flamegraph.active, #tab-stackchart.active, #tab-dependencies.active, #tab-markerchart.active {
  height: calc(100vh - 105px);
}

/* ── Flame Graph ───────────────────────────────────── */
.fg-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  gap: 1rem; flex-wrap: wrap;
}
.fg-toolbar-left { display: flex; align-items: center; gap: 0.5rem; flex: 1; min-width: 200px; }
.fg-toolbar-right { display: flex; align-items: center; gap: 0.75rem; }
.fg-search {
  background: var(--bg-inset); border: 1px solid var(--border);
  color: var(--text); padding: 0.35rem 0.6rem;
  border-radius: 6px; font-size: 0.85rem;
  font-family: var(--mono); width: 280px;
  outline: none; transition: border-color 0.15s;
}
.fg-search:focus { border-color: var(--accent); }
.thread-select {
  background: var(--bg-inset); border: 1px solid var(--border);
  color: var(--text); padding: 0.35rem 0.5rem;
  border-radius: 6px; font-size: 0.8rem;
  font-family: var(--mono); max-width: 200px;
  outline: none; cursor: pointer;
}
.thread-select:focus { border-color: var(--accent); }
.fg-search-count { font-size: 0.8rem; color: var(--text-muted); font-family: var(--mono); }
.fg-hint { font-size: 0.75rem; color: var(--text-muted); }
.fg-hint-key {
  font-size: 0.75rem; color: var(--accent);
  background: rgba(88, 166, 255, 0.1);
  padding: 0.15em 0.5em; border-radius: 4px;
  border: 1px solid rgba(88, 166, 255, 0.2);
  font-weight: 500;
}

/* ── Marker Lane Picker ────────────────────────────── */
.marker-picker {
  display: flex; gap: 0.35rem; flex-wrap: wrap;
  padding: 0.4rem 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
.marker-pill {
  display: flex; align-items: center; gap: 0.3rem;
  padding: 0.2rem 0.55rem;
  border-radius: 12px; font-size: 0.7rem;
  cursor: pointer; user-select: none;
  border: 1px solid var(--border);
  background: var(--bg-canvas);
  color: var(--text-muted);
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}
.marker-pill:hover { border-color: var(--border-light); color: var(--text-sec); }
.marker-pill.active {
  background: var(--bg-overlay);
  border-color: var(--border-light);
  color: var(--text);
}
.marker-pill-dot {
  width: 7px; height: 7px; border-radius: 50%;
  flex-shrink: 0;
}
.marker-pill-count {
  font-family: var(--mono); font-size: 0.65rem;
  color: var(--text-muted);
}
.fg-reset-btn { transition: background 0.15s, color 0.15s, border-color 0.15s; }
.fg-reset-btn.is-zoomed {
  background: var(--accent); color: #fff;
  border-color: var(--accent); font-weight: 600;
}

.fg-body {
  display: flex; flex-direction: column;
  flex: 1; min-height: 0;
}
.fg-stack-area {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column;
  position: relative;
}
.fg-stack-scroll {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  min-height: 200px;
}
.fg-stack-scroll canvas { display: block; }
#fg-marker-canvas { display: block; flex-shrink: 0; }
.fg-connector {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 10;
}

.fg-tooltip {
  display: none; position: fixed; z-index: 300;
  background: var(--bg-overlay); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.5rem 0.75rem;
  font-size: 0.8rem; line-height: 1.4;
  color: var(--text); pointer-events: none;
  max-width: 450px; font-family: var(--mono);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

/* ── Flame Graph Detail Panel ──────────────────────── */
.fg-detail {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 0.6rem 1.5rem;
  font-size: 0.8rem;
}
.fg-detail-summary {
  display: flex; align-items: center; gap: 0.3rem;
  flex-wrap: wrap;
  font-family: var(--mono); font-size: 0.8rem;
  color: var(--text-sec);
}
.fg-sep { color: var(--text-muted); }
.fg-detail-queries {
  display: flex; flex-wrap: wrap; gap: 0.35rem;
  margin-top: 0.4rem;
}
.fg-dq {
  background: var(--bg-overlay);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-family: var(--mono); font-size: 0.75rem;
  color: var(--text-sec);
  white-space: nowrap;
}
.fg-dq b { color: var(--text); }
.fg-dq-time { color: var(--text-muted); }
.fg-dq-more { color: var(--text-muted); font-style: italic; }
.fg-dq-flags { border-left: 2px solid var(--purple); }

/* Expandable SQL groups in detail panel */
.fg-dq-group { position: relative; }
.fg-dq-group .fg-dq { cursor: default; }
.fg-dq-expand {
  display: none;
  position: absolute; left: 0; bottom: 100%;
  background: var(--bg-overlay); border: 1px solid var(--border);
  border-radius: 6px; padding: 0.4rem 0.6rem;
  z-index: 100; min-width: 300px; max-width: 600px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  max-height: 260px; overflow-y: auto;
}
.fg-dq-group:hover .fg-dq-expand { display: block; }
.fg-dq-sql {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-sec);
  padding: 0.2rem 0;
  border-bottom: 1px solid var(--border);
  word-break: break-all;
  white-space: pre-wrap;
}
.fg-dq-sql:last-child { border-bottom: none; }