/* ═══════════════════════════════════════════════════════════════
   AccretionDB Engine Introspector — Dashboard Stylesheet
   Dark systems aesthetic · Glassmorphism panels · Premium typography
   ═══════════════════════════════════════════════════════════════ */

/* ── Custom properties ──────────────────────────────────────── */
:root {
  --bg-base:       #080b11;
  --bg-surface:    #0d1117;
  --bg-panel:      rgba(255, 255, 255, 0.03);
  --bg-panel-hov:  rgba(255, 255, 255, 0.05);
  --border:        rgba(255, 255, 255, 0.07);
  --border-active: rgba(0, 212, 255, 0.25);

  --cyan:          #00d4ff;
  --cyan-dim:      rgba(0, 212, 255, 0.15);
  --cyan-glow:     rgba(0, 212, 255, 0.08);
  --purple:        #7c3aed;
  --purple-dim:    rgba(124, 58, 237, 0.15);
  --purple-glow:   rgba(124, 58, 237, 0.08);
  --green:         #10b981;
  --red:           #ef4444;
  --amber:         #f59e0b;

  --text-primary:  #e2e8f0;
  --text-secondary:#8892a4;
  --text-muted:    #4b5563;

  --font-sans:     'Inter', system-ui, sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

  --radius-sm:     6px;
  --radius-md:     12px;
  --radius-lg:     16px;

  --transition:    150ms ease;
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.5;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(0,212,255,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 100%, rgba(124,58,237,0.05) 0%, transparent 60%);
}

/* ── Site Header ───────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 11, 17, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-name {
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.brand-sub {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-secondary);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--transition);
}

.status-pill.connected .status-dot {
  background: var(--green);
  box-shadow: 0 0 6px rgba(16, 185, 129, 0.6);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

.engine-tag {
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  padding: 3px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* ── Dashboard Layout ──────────────────────────────────────── */
.dashboard {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ── KPI Strip ─────────────────────────────────────────────── */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.kpi-card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: border-color var(--transition), background var(--transition);
}

.kpi-card:hover {
  background: var(--bg-panel-hov);
  border-color: rgba(255,255,255,0.12);
}

.kpi-card.kpi-accent-cyan  { border-color: rgba(0,212,255,0.15); }
.kpi-card.kpi-accent-purple{ border-color: rgba(124,58,237,0.15); }

.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.kpi-value {
  font-size: 26px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 4px;
}

.kpi-card.kpi-accent-cyan  .kpi-value { color: var(--cyan); }
.kpi-card.kpi-accent-purple .kpi-value { color: var(--purple); }

.kpi-sub {
  font-size: 11px;
  color: var(--text-muted);
}

/* ── Shared Panel ──────────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color var(--transition);
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.panel-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.panel-badge {
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: lowercase;
  letter-spacing: 0.03em;
}

.badge-cyan    { background: var(--cyan-dim);   color: var(--cyan);   border: 1px solid rgba(0,212,255,0.2); }
.badge-purple  { background: var(--purple-dim); color: #a78bfa;       border: 1px solid rgba(124,58,237,0.2); }
.badge-neutral { background: rgba(255,255,255,0.05); color: var(--text-secondary); border: 1px solid var(--border); }

/* ── Mid Row: gauges + LSM ─────────────────────────────────── */
.mid-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1.6fr;
  gap: 16px;
}

/* ── Gauge Panel ───────────────────────────────────────────── */
.gauge-panel {
  display: flex;
  flex-direction: column;
}

.gauge-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  margin: 0 auto 12px;
  height: 130px;
  width: 200px;
}

.gauge-center {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  text-align: center;
}

.gauge-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: -0.03em;
  color: var(--text-primary);
  line-height: 1;
}

.gauge-unit {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}

.gauge-note {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* ── LSM Panel ─────────────────────────────────────────────── */
.lsm-panel {
  display: flex;
  flex-direction: column;
}

.lsm-diagram {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.lsm-layer {
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  transition: border-color var(--transition);
}

.lsm-layer:hover {
  border-color: rgba(255,255,255,0.12);
}

.lsm-layer-vlog {
  border-color: rgba(0,212,255,0.12);
  background: rgba(0,212,255,0.03);
}

.lsm-layer-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.lsm-bar-wrap {
  height: 8px;
  background: rgba(255,255,255,0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 4px;
}

.lsm-bar-mem {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), rgba(0,212,255,0.4));
  border-radius: 4px;
  transition: width 0.6s ease;
}

.lsm-layer-meta {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.lsm-files {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  min-height: 22px;
  align-items: center;
}

.sst-block {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8px;
  font-family: var(--font-mono);
  font-weight: 600;
  transition: transform 0.2s ease;
}

.sst-block:hover { transform: scale(1.2); }

.sst-l0 {
  background: rgba(0,212,255,0.15);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--cyan);
}

.sst-l1 {
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.25);
  color: #a78bfa;
}

.lsm-arrow {
  font-size: 10px;
  color: var(--text-muted);
  padding-left: 14px;
  font-family: var(--font-mono);
}

/* ── Detail Row ────────────────────────────────────────────── */
.detail-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.detail-panel {}

.detail-stats {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 14px;
}

.stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.stat-label {
  font-size: 12px;
  color: var(--text-secondary);
}

.stat-val {
  font-size: 12px;
  color: var(--text-primary);
}

.stat-val.mono { font-family: var(--font-mono); }
.stat-val.cyan { color: var(--cyan); }

.bloom-bar-wrap {
  height: 10px;
  background: rgba(255,255,255,0.06);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 4px;
}

.bloom-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), #0ea5e9);
  border-radius: 5px;
  transition: width 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.bloom-bar-labels {
  display: flex;
  justify-content: space-between;
  font-size: 10px;
  color: var(--text-muted);
}

.health-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
}

.health-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s;
  flex-shrink: 0;
}

.health-dot.green  { background: var(--green);  box-shadow: 0 0 8px rgba(16,185,129,0.5); }
.health-dot.amber  { background: var(--amber);  box-shadow: 0 0 8px rgba(245,158,11,0.5); }
.health-dot.red    { background: var(--red);    box-shadow: 0 0 8px rgba(239,68,68,0.5);  }

#health-label {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ── Bottom Row ────────────────────────────────────────────── */
.bottom-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── Console Panel ─────────────────────────────────────────── */
.console-panel {
  display: flex;
  flex-direction: column;
}

.console-output {
  flex: 1;
  min-height: 180px;
  max-height: 260px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  padding: 12px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.console-output::-webkit-scrollbar { width: 4px; }
.console-output::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 2px; }

.console-line {
  display: flex;
  gap: 8px;
  padding: 1px 0;
}

.console-welcome .console-prefix { color: var(--cyan); }

.console-prefix {
  color: var(--purple);
  flex-shrink: 0;
}

.console-cmd  { color: var(--text-primary); }
.console-resp.ok    { color: var(--green); }
.console-resp.err   { color: var(--red); }
.console-resp.found { color: var(--cyan); }
.console-resp.miss  { color: var(--text-muted); }

.console-input-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  transition: border-color var(--transition);
}

.console-input-row:focus-within {
  border-color: var(--border-active);
  box-shadow: 0 0 0 1px rgba(0,212,255,0.1);
}

.console-prompt {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--purple);
  flex-shrink: 0;
}

.console-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  caret-color: var(--cyan);
}

.console-input::placeholder { color: var(--text-muted); }

.console-submit {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: color var(--transition);
}

.console-submit:hover { color: var(--cyan); }

.console-hints {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.console-hints code {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
}

/* ── Benchmark Panel ───────────────────────────────────────── */
.bench-panel {
  display: flex;
  flex-direction: column;
}

.bench-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  align-items: flex-end;
}

.bench-select-wrap {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.bench-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.bench-select {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 10px;
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition);
}

.bench-select:focus { border-color: var(--border-active); }

option { background: #0d1117; }

.bench-run-btn {
  padding: 8px 20px;
  background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(124,58,237,0.15));
  border: 1px solid rgba(0,212,255,0.25);
  border-radius: var(--radius-sm);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  align-self: flex-end;
}

.bench-run-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(0,212,255,0.25), rgba(124,58,237,0.25));
  box-shadow: 0 0 20px rgba(0,212,255,0.15);
}

.bench-run-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.bench-results {
  flex: 1;
  padding: 14px;
  background: rgba(0,0,0,0.2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  min-height: 130px;
}

.bench-placeholder {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  padding-top: 40px;
  font-family: var(--font-mono);
}

.bench-result-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.bench-metric {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.bench-metric-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.bench-metric-value {
  font-size: 20px;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.bench-metric-value.cyan   { color: var(--cyan); }
.bench-metric-value.purple { color: #a78bfa; }

.bench-metric-sub {
  font-size: 10px;
  color: var(--text-muted);
}

.bench-explain {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}

.bench-explain code {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  padding: 1px 5px;
  border-radius: 3px;
}

/* ── Spinner ───────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(0,212,255,0.2);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Footer ────────────────────────────────────────────────── */
.site-footer {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}

.footer-sep { color: var(--border); }

.footer-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-link:hover { color: var(--cyan); }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .mid-row { grid-template-columns: 1fr 1fr; }
  .lsm-panel { grid-column: 1 / -1; }
}

@media (max-width: 800px) {
  .kpi-strip     { grid-template-columns: 1fr 1fr; }
  .mid-row       { grid-template-columns: 1fr; }
  .detail-row    { grid-template-columns: 1fr; }
  .bottom-row    { grid-template-columns: 1fr; }
  .bench-controls { gap: 8px; }
}

/* ── Fade-in for panels ────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel, .kpi-card {
  animation: fadeUp 0.4s ease both;
}

.kpi-strip .kpi-card:nth-child(1) { animation-delay: 0.05s; }
.kpi-strip .kpi-card:nth-child(2) { animation-delay: 0.10s; }
.kpi-strip .kpi-card:nth-child(3) { animation-delay: 0.15s; }
.kpi-strip .kpi-card:nth-child(4) { animation-delay: 0.20s; }