/* Peak Query LLC - Technical Engineering Style Sheet */
:root {
  --pq-bg: #0b0f19;
  --pq-surface: #111827;
  --pq-surface-alt: #1a2234;
  --pq-border: #243046;
  --pq-border-focus: #38bdf8;
  --pq-cyan: #38bdf8;
  --pq-cyan-dim: rgba(56, 189, 248, 0.12);
  --pq-emerald: #10b981;
  --pq-text-main: #e2e8f0;
  --pq-text-dim: #94a3b8;
  --pq-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --pq-font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

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

body {
  font-family: var(--pq-font-sans);
  background-color: var(--pq-bg);
  color: var(--pq-text-main);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* App-Shell Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sticky Left Sidebar Navigation */
.app-sidebar {
  width: 280px;
  background-color: #0d1322;
  border-right: 1px solid var(--pq-border);
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px 20px;
  z-index: 1000;
  flex-shrink: 0;
  overflow-y: auto;
}

.sidebar-header {
  margin-bottom: 24px;
}

.brand-link {
  text-decoration: none;
  display: block;
}

.brand-terminal-tag {
  font-family: var(--pq-font-mono);
  font-size: 11px;
  color: var(--pq-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background-color: var(--pq-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--pq-emerald);
  display: inline-block;
}

.brand-title {
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--pq-text-dim);
}

.sidebar-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  color: var(--pq-text-dim);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.sidebar-nav a:hover {
  background-color: var(--pq-surface-alt);
  color: #ffffff;
}

.sidebar-nav a.active {
  background-color: var(--pq-cyan-dim);
  color: var(--pq-cyan);
  border-color: rgba(56, 189, 248, 0.3);
  font-weight: 600;
}

.sidebar-nav .nav-code-prefix {
  font-family: var(--pq-font-mono);
  font-size: 11px;
  color: #64748b;
  margin-right: 10px;
}

.sidebar-nav a.active .nav-code-prefix {
  color: var(--pq-cyan);
}

.sidebar-footer {
  border-top: 1px solid var(--pq-border);
  padding-top: 16px;
  font-size: 11px;
  color: #64748b;
  font-family: var(--pq-font-mono);
}

.sidebar-footer a {
  color: var(--pq-text-dim);
  text-decoration: none;
}
.sidebar-footer a:hover {
  color: var(--pq-cyan);
}

/* Mobile Header Bar */
.mobile-topbar {
  display: none;
  background-color: #0d1322;
  border-bottom: 1px solid var(--pq-border);
  padding: 14px 20px;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1001;
}

.mobile-brand {
  font-weight: 800;
  color: #ffffff;
  font-size: 16px;
  text-decoration: none;
}

.mobile-nav-toggle {
  background: var(--pq-surface-alt);
  border: 1px solid var(--pq-border);
  color: #ffffff;
  padding: 8px 14px;
  font-size: 13px;
  border-radius: 4px;
  cursor: pointer;
  font-family: var(--pq-font-mono);
}

/* Main Content Area */
.app-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.content-wrapper {
  padding: 40px 48px;
  max-width: 1240px;
  width: 100%;
  margin: 0 auto;
}

/* Hero Section (Technical Split) */
.tech-hero {
  border-bottom: 1px solid var(--pq-border);
  padding-bottom: 50px;
  margin-bottom: 50px;
}

.hero-split-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 40px;
  align-items: center;
}

.terminal-meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--pq-cyan-dim);
  color: var(--pq-cyan);
  font-family: var(--pq-font-mono);
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 4px;
  border: 1px solid rgba(56, 189, 248, 0.3);
  margin-bottom: 18px;
}

.tech-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  color: #ffffff;
  margin-bottom: 18px;
}

.tech-lead {
  font-size: 16px;
  color: var(--pq-text-dim);
  line-height: 1.6;
  margin-bottom: 28px;
}

.telemetry-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}

.telemetry-cell {
  background: var(--pq-surface);
  border: 1px solid var(--pq-border);
  padding: 12px;
  border-radius: 6px;
}

.telemetry-label {
  font-size: 11px;
  color: #64748b;
  text-transform: uppercase;
  font-family: var(--pq-font-mono);
  margin-bottom: 4px;
}

.telemetry-value {
  font-size: 15px;
  font-weight: 700;
  color: #ffffff;
  font-family: var(--pq-font-mono);
}

.tech-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Console preview box */
.sql-console-window {
  background: #060911;
  border: 1px solid var(--pq-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
  font-family: var(--pq-font-mono);
}

.console-titlebar {
  background: #0f1626;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--pq-border);
  font-size: 12px;
  color: var(--pq-text-dim);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.console-body {
  padding: 20px;
  font-size: 13px;
  line-height: 1.6;
  color: #cbd5e1;
  overflow-x: auto;
}

.code-keyword { color: #f43f5e; font-weight: bold; }
.code-fn { color: #38bdf8; }
.code-string { color: #34d399; }
.code-comment { color: #64748b; font-style: italic; }

.console-result-pane {
  background: #0d121f;
  border-top: 1px dashed var(--pq-border);
  padding: 14px 20px;
  font-size: 12px;
  color: #94a3b8;
}

/* Buttons */
.btn-pq {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--pq-font-sans);
}

.btn-pq-primary {
  background: var(--pq-cyan);
  color: #0b0f19;
  border: 1px solid var(--pq-cyan);
}
.btn-pq-primary:hover {
  background: #0284c7;
  border-color: #0284c7;
  color: #ffffff;
}

.btn-pq-outline {
  background: transparent;
  color: var(--pq-text-main);
  border: 1px solid var(--pq-border);
}
.btn-pq-outline:hover {
  background: var(--pq-surface-alt);
  border-color: var(--pq-cyan);
}

/* Diagnostic Panels & Modules */
.section-title-wrap {
  margin-bottom: 30px;
}

.section-label {
  font-family: var(--pq-font-mono);
  font-size: 12px;
  color: var(--pq-cyan);
  text-transform: uppercase;
  margin-bottom: 6px;
  display: block;
}

.section-h2 {
  font-size: 26px;
  color: #ffffff;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.spec-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}

.spec-panel {
  background: var(--pq-surface);
  border: 1px solid var(--pq-border);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.2s;
}
.spec-panel:hover {
  border-color: rgba(56, 189, 248, 0.4);
}

.spec-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--pq-border);
  padding-bottom: 14px;
  margin-bottom: 16px;
}

.spec-tag {
  font-family: var(--pq-font-mono);
  font-size: 11px;
  background: #1e293b;
  padding: 3px 8px;
  border-radius: 4px;
  color: #38bdf8;
}

.spec-panel h3 {
  font-size: 18px;
  color: #ffffff;
  margin-bottom: 10px;
}

.spec-panel p {
  color: var(--pq-text-dim);
  font-size: 14px;
  line-height: 1.5;
  margin-bottom: 16px;
}

.spec-meta-list {
  list-style: none;
  font-size: 13px;
  font-family: var(--pq-font-mono);
  color: #cbd5e1;
  background: var(--pq-surface-alt);
  padding: 12px 14px;
  border-radius: 4px;
  margin-bottom: 16px;
}

.spec-meta-list li {
  margin-bottom: 6px;
}
.spec-meta-list li:last-child {
  margin-bottom: 0;
}

.spec-meta-list strong {
  color: #94a3b8;
}

/* Parameter Comparison Table */
.parameter-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pq-border);
  border-radius: 8px;
  margin-bottom: 40px;
}

.parameter-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--pq-surface);
  font-size: 13.5px;
  text-align: left;
}

.parameter-table th, .parameter-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--pq-border);
}

.parameter-table th {
  background: #0d1424;
  font-family: var(--pq-font-mono);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--pq-cyan);
}

.parameter-table td code {
  font-family: var(--pq-font-mono);
  color: #38bdf8;
  background: #1a2438;
  padding: 2px 6px;
  border-radius: 3px;
}

/* Callout Banner */
.disclaimer-banner {
  background: #0d1526;
  border-left: 4px solid var(--pq-cyan);
  padding: 18px 22px;
  border-radius: 4px;
  margin: 30px 0;
  font-size: 13.5px;
  color: #94a3b8;
}
.disclaimer-banner strong {
  color: #ffffff;
}

/* Forms */
.tech-form-card {
  background: var(--pq-surface);
  border: 1px solid var(--pq-border);
  border-radius: 8px;
  padding: 30px;
  max-width: 720px;
}

.tech-input-group {
  margin-bottom: 20px;
}

.tech-input-group label {
  display: block;
  font-family: var(--pq-font-mono);
  font-size: 12px;
  color: #cbd5e1;
  margin-bottom: 6px;
}

.tech-input-group input, .tech-input-group select, .tech-input-group textarea {
  width: 100%;
  padding: 11px 14px;
  background: #080d18;
  border: 1px solid var(--pq-border);
  color: #ffffff;
  border-radius: 4px;
  font-family: inherit;
  font-size: 14px;
}

.tech-input-group input:focus, .tech-input-group select:focus, .tech-input-group textarea:focus {
  border-color: var(--pq-cyan);
  outline: none;
}

.form-feedback-box {
  display: none;
  padding: 14px;
  margin-top: 18px;
  border-radius: 4px;
  font-family: var(--pq-font-mono);
  font-size: 13px;
  background: #064e3b;
  color: #a7f3d0;
  border: 1px solid #059669;
}

/* Technical Console Footer */
.app-footer {
  background: #080d18;
  border-top: 1px solid var(--pq-border);
  padding: 30px 48px;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 13px;
  color: #64748b;
}

.footer-brand-title {
  color: #ffffff;
  font-weight: 700;
  font-size: 14px;
}

.footer-nav-links {
  display: flex;
  gap: 20px;
  list-style: none;
}

.footer-nav-links a {
  color: #94a3b8;
  text-decoration: none;
}
.footer-nav-links a:hover {
  color: var(--pq-cyan);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-split-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .app-sidebar {
    display: none;
    position: fixed;
    width: 260px;
    height: 100vh;
    left: 0;
    top: 0;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.7);
  }
  .app-sidebar.open {
    display: flex;
  }
  .mobile-topbar {
    display: flex;
  }
  .content-wrapper {
    padding: 24px 20px;
  }
  .app-footer {
    padding: 24px 20px;
  }
  .telemetry-strip {
    grid-template-columns: 1fr;
  }
}