/* RacePulse — Motorsport Race Intelligence Command CSS System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700;800&family=Outfit:wght@600;700;800;900&display=swap');

:root {
  /* Surface Hierarchy (High-Contrast Carbon Motorsport Palette) */
  --bg-app: #080a0f;
  --surface-primary: #0e121a;
  --surface-secondary: #141923;
  --surface-elevated: #1a2230;
  --surface-active: #222c3d;
  --surface-overlay: rgba(14, 18, 26, 0.94);

  /* Precise Technical Dividers */
  --border-subtle: #1c2433;
  --border-medium: #283449;
  --border-strong: #384863;
  --border-focus: #ff5500;

  /* Typography Hierarchy */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --text-inverse: #080a0f;

  /* Motorsport Brand Accent (F1 Racing Papaya / High-Vis Amber) */
  --brand-accent: #ff5500;
  --brand-accent-hover: #ff6e26;
  --brand-accent-subtle: rgba(255, 85, 0, 0.12);
  --brand-accent-border: rgba(255, 85, 0, 0.35);

  /* Official Formula 1 Flag & Delta Spectrum */
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.12);
  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.14);
  --color-critical: #ef4444;
  --color-critical-bg: rgba(239, 68, 68, 0.15);
  --color-info: #06b6d4;
  --color-info-bg: rgba(6, 182, 212, 0.12);
  --color-purple: #a855f7;
  --color-purple-bg: rgba(168, 85, 247, 0.14);

  /* Pirelli Tyre Compound Authentic Palette */
  --pirelli-soft: #e10600;
  --pirelli-medium: #ffd100;
  --pirelli-hard: #f0f3f6;
  --pirelli-inter: #39b54a;
  --pirelli-wet: #00a0de;

  /* Typography Families */
  --font-display: 'Outfit', -apple-system, sans-serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Spacing Scale */
  --space-xxs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-app);
}
::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* Tabular Figures for All Telemetry */
.mono, .metric-val, .table-cell-num, .status-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* =========================================================================
   HEADER & NAVIGATION SHELL
   ========================================================================= */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 var(--space-lg);
  background: var(--surface-primary);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 200;
  height: 56px;
  backdrop-filter: blur(8px);
}

.brand-section {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.brand-badge {
  background: var(--brand-accent);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 0.8rem;
  padding: 3px 8px;
  border-radius: 3px;
  letter-spacing: 1.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.brand-badge svg {
  width: 14px;
  height: 14px;
  fill: currentColor;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--text-primary);
  text-transform: uppercase;
  line-height: 1.1;
}

.brand-subtitle {
  font-size: 0.68rem;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Navigation Tabs */
.app-nav {
  display: flex;
  gap: 4px;
  background: var(--bg-app);
  padding: 3px;
  border-radius: 5px;
  border: 1px solid var(--border-subtle);
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 6px 14px;
  font-weight: 600;
  font-size: 0.78rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-tab svg {
  width: 14px;
  height: 14px;
  opacity: 0.75;
  transition: opacity var(--transition-fast);
}

.nav-tab:hover {
  color: var(--text-primary);
  background: var(--surface-secondary);
}

.nav-tab:hover svg {
  opacity: 1;
}

.nav-tab.active {
  color: #ffffff;
  background: var(--surface-elevated);
  box-shadow: inset 0 -2px 0 var(--brand-accent), 0 2px 8px rgba(0, 0, 0, 0.3);
}

.nav-tab.active svg {
  opacity: 1;
  stroke: var(--brand-accent);
}

/* Header Controls & Mode Badges */
.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.mode-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 0.68rem;
  font-weight: 700;
  font-family: var(--font-mono);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.mode-badge.live {
  background: var(--color-success-bg);
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--color-success);
}

.mode-badge.sim {
  background: var(--brand-accent-subtle);
  border-color: var(--brand-accent-border);
  color: var(--brand-accent);
}

.ws-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  padding: 3px 8px;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.6);
  animation: pulse-dot 2s infinite;
}

.status-dot.offline {
  background: var(--color-critical);
  box-shadow: 0 0 6px rgba(239, 68, 68, 0.6);
  animation: none;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.9); }
}

/* =========================================================================
   GLOBAL STICKY RACE TELEMETRY STATUS BAR
   ========================================================================= */
.telemetry-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface-primary);
  border-bottom: 1px solid var(--border-medium);
  padding: 6px var(--space-lg);
  font-size: 0.78rem;
  gap: var(--space-md);
  overflow-x: auto;
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.telemetry-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.telemetry-label {
  color: var(--text-tertiary);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.telemetry-val {
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.2px;
}

/* Flag Indicator with Authentic Racing Pulse */
.flag-badge {
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-family: var(--font-mono);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.flag-green {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.4);
}
.flag-vsc {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
  border: 1px solid #f59e0b;
  animation: pulse-warning 1s infinite;
}
.flag-sc {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
  border: 1px solid #ef4444;
  animation: pulse-warning 0.8s infinite;
}

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

/* =========================================================================
   AUTHENTIC PIRELLI F1 TYRE COMPOUND PILLS
   ========================================================================= */
.compound-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 0.72rem;
  font-weight: 800;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.compound-pill::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.compound-soft {
  background: rgba(225, 6, 0, 0.15);
  color: #ff6b6b;
  border: 1px solid rgba(225, 6, 0, 0.5);
}
.compound-soft::before { background: var(--pirelli-soft); box-shadow: 0 0 5px var(--pirelli-soft); }

.compound-medium {
  background: rgba(255, 209, 0, 0.15);
  color: #ffd100;
  border: 1px solid rgba(255, 209, 0, 0.5);
}
.compound-medium::before { background: var(--pirelli-medium); box-shadow: 0 0 5px var(--pirelli-medium); }

.compound-hard {
  background: rgba(240, 243, 246, 0.15);
  color: #f0f3f6;
  border: 1px solid rgba(240, 243, 246, 0.4);
}
.compound-hard::before { background: var(--pirelli-hard); box-shadow: 0 0 5px var(--pirelli-hard); }

.compound-intermediate {
  background: rgba(57, 181, 74, 0.15);
  color: #4ade80;
  border: 1px solid rgba(57, 181, 74, 0.5);
}
.compound-intermediate::before { background: var(--pirelli-inter); }

.compound-wet {
  background: rgba(0, 160, 222, 0.15);
  color: #38bdf8;
  border: 1px solid rgba(0, 160, 222, 0.5);
}
.compound-wet::before { background: var(--pirelli-wet); }

/* Delta Badges */
.delta-purple { color: var(--color-purple); font-weight: 800; }
.delta-green { color: var(--color-success); font-weight: 800; }
.delta-yellow { color: var(--color-warning); font-weight: 700; }

/* =========================================================================
   MAIN VIEWPORT & SECTION SHELL
   ========================================================================= */
.main-viewport {
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.2s ease;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(3px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scenario & Benchmark Control Strip */
.scenario-strip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  padding: 10px var(--space-md);
  border-radius: 5px;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: 12px;
}

.scenario-select-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.scenario-select {
  background: var(--bg-app);
  border: 1px solid var(--border-medium);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.scenario-select:focus {
  border-color: var(--brand-accent);
}

.btn-action {
  background: var(--brand-accent);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.76rem;
  border: none;
  padding: 7px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-family: var(--font-sans);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 6px rgba(255, 85, 0, 0.25);
}

.btn-action:hover {
  background: var(--brand-accent-hover);
  transform: translateY(-1px);
}

.btn-action:active {
  transform: translateY(0);
}

.btn-action:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--surface-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  box-shadow: none;
}
.btn-secondary:hover {
  background: var(--surface-elevated);
  border-color: var(--border-strong);
}

/* =========================================================================
   PIT WALL: HERO STRATEGIC DECISION WIDGET
   ========================================================================= */
.decision-hero-container {
  background: var(--surface-primary);
  border: 1px solid var(--border-medium);
  border-left: 4px solid var(--brand-accent);
  border-radius: 5px;
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  position: relative;
  overflow: hidden;
}

.decision-hero-container::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 250px;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(255, 85, 0, 0.06), transparent 70%);
  pointer-events: none;
}

.decision-hero-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xs);
}

.section-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.decision-action-badge {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  letter-spacing: 1px;
  color: var(--brand-accent);
  text-transform: uppercase;
  line-height: 1.1;
  margin: 2px 0 6px 0;
}

.decision-hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  background: var(--surface-secondary);
  padding: var(--space-md);
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  margin-top: var(--space-md);
}

.metric-block {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-family: var(--font-mono);
  margin-bottom: 2px;
}

.metric-value {
  font-size: 1.45rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1.2;
}

/* Disagreement Banner */
.disagreement-banner {
  background: var(--color-critical-bg);
  border: 1px solid var(--color-critical);
  border-radius: 4px;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  animation: fadeIn 0.3s ease;
}

.disagreement-title {
  color: var(--color-critical);
  font-weight: 800;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-family: var(--font-mono);
}

.disagreement-desc {
  color: var(--text-primary);
  font-size: 0.82rem;
  margin-top: 2px;
}

/* Split Layouts */
.split-layout-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.split-layout-hq {
  display: grid;
  grid-template-columns: 1.85fr 1fr;
  gap: var(--space-md);
}

/* Operational Panel */
.panel {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  padding: var(--space-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.panel-header {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Operational Lists */
.operational-list {
  list-style: none;
}

.operational-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
  font-size: 0.82rem;
  color: var(--text-primary);
  line-height: 1.4;
}

.operational-list li::before {
  content: "■";
  position: absolute;
  left: 0;
  color: var(--brand-accent);
  font-size: 0.6rem;
  top: 1px;
}

.operational-list.risk-list li::before {
  color: var(--color-warning);
}

/* HIGH-DENSITY TIMING & TELEMETRY TABLES */
.table-dense {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.78rem;
}

.table-dense th {
  background: var(--surface-secondary);
  color: var(--text-tertiary);
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.66rem;
  letter-spacing: 0.8px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-medium);
}

.table-dense td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.table-dense tr:hover {
  background: var(--surface-active);
}

.threat-high { color: var(--color-critical); font-weight: 800; }
.threat-medium { color: var(--color-warning); font-weight: 800; }
.threat-low { color: var(--text-secondary); font-weight: 600; }

/* Decomposition Telemetry Strips */
.decomp-strip {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.decomp-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 4px;
  font-size: 0.78rem;
}

/* =========================================================================
   TRACK CONTROL & SVG CIRCUIT MAP
   ========================================================================= */
.track-canvas-wrapper {
  background: #04060a;
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  height: 420px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

svg.circuit-map {
  width: 100%;
  height: 100%;
}

.corner-node {
  cursor: pointer;
}

.corner-node circle {
  transition: all 0.2s ease;
}

.corner-node:hover circle {
  fill: var(--brand-accent) !important;
  r: 9 !important;
  stroke: #ffffff !important;
  stroke-width: 2px !important;
}

.corner-node.active-corner circle {
  fill: var(--brand-accent) !important;
  r: 9 !important;
  stroke: #ffffff !important;
  stroke-width: 2px !important;
}

/* =========================================================================
   BENCHMARK EVALUATION MATRIX TABLE
   ========================================================================= */
.eval-hero {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 5px;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
}

.benchmark-table-wrapper {
  margin-top: var(--space-md);
  border: 1px solid var(--border-medium);
  border-radius: 4px;
  overflow: hidden;
}

.benchmark-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}

.benchmark-table th {
  background: var(--surface-secondary);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border-medium);
  text-align: left;
}

.benchmark-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.benchmark-table tr:hover {
  background: var(--surface-active);
}

.win-badge {
  background: rgba(16, 185, 129, 0.15);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 800;
  font-size: 0.7rem;
  letter-spacing: 0.5px;
}

.match-badge {
  background: rgba(148, 163, 184, 0.15);
  color: #94a3b8;
  border: 1px solid rgba(148, 163, 184, 0.3);
  padding: 2px 8px;
  border-radius: 3px;
  font-weight: 700;
  font-size: 0.7rem;
}

.console-output {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  background: #040508;
  color: #94a3b8;
  padding: var(--space-md);
  border-radius: 4px;
  border: 1px solid var(--border-subtle);
  max-height: 240px;
  overflow-y: auto;
  white-space: pre-wrap;
  margin-top: var(--space-md);
}

/* Interactive SVG Tooltip */
.chart-tooltip {
  position: absolute;
  display: none;
  background: var(--surface-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-primary);
  pointer-events: none;
  z-index: 50;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
}

/* Responsive Grid Adaptation */
@media (max-width: 1024px) {
  .split-layout-2col, .split-layout-hq {
    grid-template-columns: 1fr;
  }
  .decision-hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}