/* XLE Fracturing Analyzer & Simulator - Stylesheet */
:root {
  --bg-dark: #090d16;
  --panel-bg: #111827;
  --panel-border: #1f293d;
  --panel-hover: #1e293b;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;
  --accent-crimson: #ef4444;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  padding-bottom: 30px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

/* Header */
header {
  background: rgba(17, 24, 39, 0.90);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  color: #fff;
}

.brand h1 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
}

.brand p {
  font-size: 0.75rem;
  color: var(--accent-cyan);
  font-weight: 500;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.preset-selector {
  display: flex;
  align-items: center;
  gap: 6px;
  background: #1f293d;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.preset-selector select {
  background: transparent;
  color: #fff;
  border: none;
  font-size: 0.82rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
}

.btn-toggle {
  background: #1f293d;
  border: 1px solid var(--panel-border);
  color: var(--text-main);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-toggle:hover {
  background: #27354f;
}

.btn-toggle.active {
  background: var(--accent-blue);
  color: #fff;
  border-color: var(--accent-blue);
}

/* Governor Alert Banner */
.governor-banner {
  background: rgba(239, 68, 68, 0.18);
  border: 1px solid var(--accent-crimson);
  color: #fca5a5;
  padding: 6px 24px;
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.governor-badge {
  background: var(--accent-crimson);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  text-transform: uppercase;
}

/* KPI Top Ribbon */
.kpi-ribbon {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  padding: 16px 24px 8px 24px;
}

.kpi-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-blue);
}

.kpi-card.cyan::before { background: var(--accent-cyan); }
.kpi-card.emerald::before { background: var(--accent-emerald); }
.kpi-card.amber::before { background: var(--accent-amber); }
.kpi-card.rose::before { background: var(--accent-rose); }
.kpi-card.purple::before { background: var(--accent-purple); }

.kpi-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
}

.kpi-value-row {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.kpi-value {
  font-size: 1.45rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #fff;
}

.kpi-unit {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
}

.kpi-subtext {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 4px;
}

/* Main Container Grid */
.container {
  display: grid;
  grid-template-columns: 420px 1fr;
  gap: 16px;
  padding: 8px 24px 24px 24px;
}

@media (max-width: 1200px) {
  .container {
    grid-template-columns: 1fr;
  }
}

/* Sidebar / Controls Panel */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 16px;
}

.card-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mode-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  background: rgba(6, 182, 212, 0.15);
  border: 1px solid var(--accent-cyan);
  border-radius: 4px;
  color: var(--accent-cyan);
}

.form-group {
  margin-bottom: 12px;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.form-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}

.form-val-display {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: #fff;
}

input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #1f293d;
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 6px rgba(6, 182, 212, 0.5);
  transition: transform 0.1s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Cluster Perforation Matrix */
.cluster-perf-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 4px;
}

.cluster-perf-item {
  display: grid;
  grid-template-columns: 80px 1fr 1fr;
  align-items: center;
  gap: 8px;
  background: #151d30;
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid #1f293d;
}

.cluster-perf-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.hole-counter-ctrl {
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-counter {
  width: 20px;
  height: 20px;
  background: #1e293b;
  border: 1px solid #334155;
  color: #fff;
  border-radius: 4px;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.btn-counter:hover {
  background: var(--accent-blue);
}

.counter-val {
  font-size: 0.78rem;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-cyan);
  min-width: 16px;
  text-align: center;
}

/* Main Display & Visualizers */
.main-view {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Playback Control Bar */
.timeline-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.timeline-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-amber);
  display: flex;
  align-items: center;
  gap: 8px;
}

.stage-pill {
  background: #27354f;
  color: var(--accent-amber);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 700;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.playback-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-ctrl {
  background: #1f293d;
  border: 1px solid var(--panel-border);
  color: #fff;
  padding: 5px 12px;
  border-radius: 6px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
}

.btn-ctrl:hover {
  background: #2d3b55;
}

.btn-ctrl.play {
  background: var(--accent-emerald);
  border-color: var(--accent-emerald);
  color: #000;
  font-weight: 700;
}

.btn-ctrl.play.paused {
  background: var(--accent-amber);
  border-color: var(--accent-amber);
}

.speed-select {
  background: #1f293d;
  border: 1px solid var(--panel-border);
  color: #fff;
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 6px;
  outline: none;
}

.timeline-slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.timeline-time-badge {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--accent-amber);
  min-width: 80px;
}

/* Charts Grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.chart-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  flex-wrap: wrap;
  gap: 8px;
}

.chart-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-main);
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.canvas-container {
  width: 100%;
  height: 250px;
  position: relative;
}

canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* Data Table Card */
.table-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
  text-align: right;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  padding: 8px 10px;
  border-bottom: 1px solid var(--panel-border);
  text-transform: uppercase;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

th:first-child, td:first-child {
  text-align: left;
}

td {
  padding: 8px 10px;
  border-bottom: 1px solid #172033;
  color: #fff;
  font-family: var(--font-mono);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.badge-eroded {
  color: var(--accent-amber);
  font-weight: 700;
}

.badge-jet {
  color: var(--accent-rose);
  font-weight: 700;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: #0f172a;
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 3px;
}

/* Intensity Badges Grid */
.intensity-badges-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  background: #0b111e;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 8px;
  margin-top: 8px;
}

.intensity-badge {
  display: flex;
  flex-direction: column;
}

.intensity-badge-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.intensity-badge-val {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-amber);
}