/* =============================================
   CLEAN MOBILE STYLESHEET (Rebuilt 2025-09-06)
   Purpose: Replace previous bloated overrides that
   created tall narrow columns & visual glitches.
   Philosophy: Minimal, fluid, no arbitrary fixed heights.
   ============================================= */

/********************  CORE  ********************/
@media (max-width: 768px) {
  :root {
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space: 1rem;
    --space-lg: 1.5rem;
    --radius: 14px;
  }

  html,
  body {
    font-size: 15px;
  }
  body {
    -webkit-text-size-adjust: 100%;
  }
  main {
    padding-top: 56px !important;
  }

  .container {
    max-width: 100% !important;
    margin: 0 auto !important;
    padding-left: calc(var(--space) + env(safe-area-inset-left)) !important;
    padding-right: calc(var(--space) + env(safe-area-inset-right)) !important;
  }
  .section {
    padding: 2.75rem 0 !important;
    margin: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .section h2 {
    font-size: clamp(1.4rem, 5vw, 1.7rem) !important;
    margin: 0 0 0.75rem !important;
    text-align: left !important;
  }
  .section p {
    font-size: 0.9rem !important;
    line-height: 1.5 !important;
  }

  /****************  NAVBAR  ****************/
  .cyber-header {
    height: 56px !important;
    padding: 0 !important;
    backdrop-filter: blur(18px);
  }
  .cyber-nav-container {
    height: 56px !important;
    padding: 0 var(--space) !important;
  }
  .system-status {
    display: none !important;
  }
  .cyber-menu-toggle {
    display: flex !important;
  }
  .cyber-nav {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 18, 0.94);
    backdrop-filter: blur(20px);
    transform: translateY(-100%);
    opacity: 0;
    transition: 0.3s ease;
    padding: 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  }
  .cyber-nav.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links {
    flex-direction: column !important;
    margin: 0 !important;
    padding: var(--space-lg) var(--space);
    gap: 0.25rem !important;
  }
  .nav-link {
    width: 100%;
    justify-content: flex-start !important;
    padding: 0.9rem 0 !important;
    font-size: 14px !important; /* match desktop for consistency */
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  .nav-link:last-child {
    border-bottom: none;
  }
  .nav-link .link-text,
  .nav-link .link-icon {
    font-size: inherit !important; /* keep same size across all items */
    line-height: 1 !important;
  }

  /****************  HERO  ****************/
  .hero {
    padding: 2rem 0 1.25rem !important;
  }
  .hero-inner {
    display: flex !important;
    flex-direction: column !important;
    text-align: center;
    gap: 1rem !important;
  }
  .hero h1 {
    font-size: clamp(2rem, 8vw, 2.4rem) !important;
    margin: 0.25rem 0 0.25rem !important;
  }
  .hero-copy p {
    font-size: 0.8rem !important;
    margin: 0 auto !important;
    max-width: 38ch;
  }
  .hero-art {
    order: 3;
  }
  .hero-art img {
    max-width: 260px !important;
    width: 100%;
    height: auto;
  }

  /* Battery 3D container centering and safe scaling */
  .battery-3d-container {
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    margin: 0.5rem auto 0.25rem !important;
    width: 100% !important;
  }
  #battery3d {
    margin: 0 auto !important;
  }
  .hero-actions {
    width: 100%;
    display: flex !important;
    flex-direction: column !important;
    gap: 0.65rem !important;
    margin-top: 0.5rem !important;
  }
  .hero-actions .btn {
    width: 100%;
    padding: 0.9rem 1rem !important;
    font-size: 0.9rem !important;
  }

  /****************  PRICING PAGE HERO  ****************/
  .pricing-hero {
    padding: 2rem 0 !important;
    text-align: center;
  }
  .pricing-hero h1 {
    font-size: clamp(1.8rem, 6vw, 2.2rem) !important;
    margin-bottom: 0.75rem !important;
  }
  .pricing-hero p {
    font-size: 0.85rem !important;
    max-width: 90% !important;
    margin: 0 auto 1.5rem !important;
  }

  /****************  MARKET STATUS BAR  ****************/
  .market-status-bar {
    display: grid !important;
    grid-template-columns: 1fr 1fr !important;
    gap: var(--space-sm) !important;
    margin-top: var(--space-lg) !important;
  }
  .status-item {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    padding: 0.75rem 0.5rem !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: var(--radius) !important;
    text-align: center !important;
  }
  .status-label {
    font-size: 0.7rem !important;
    margin-bottom: 0.25rem !important;
    opacity: 0.8 !important;
  }
  .status-value {
    font-size: 0.85rem !important;
    font-weight: 600 !important;
  }

  /****************  PRICE CARDS  ****************/
  .prices-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space) !important;
    margin: var(--space-lg) 0 !important;
  }
  .price-card {
    padding: var(--space) !important;
    border-radius: var(--radius) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
  }
  .price-header {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 0.75rem !important;
  }
  .price-header h3 {
    font-size: 0.9rem !important;
    margin: 0 !important;
  }
  .price-direction {
    font-size: 1.2rem !important;
  }
  .price-value {
    display: flex !important;
    align-items: baseline !important;
    gap: 0.5rem !important;
    margin-bottom: 0.5rem !important;
  }
  .price-value .amount {
    font-size: 1.8rem !important;
    font-weight: 700 !important;
  }
  .price-value .currency {
    font-size: 0.8rem !important;
    opacity: 0.8 !important;
  }
  .price-eur {
    font-size: 0.8rem !important;
    opacity: 0.7 !important;
    margin-bottom: 0.5rem !important;
  }
  .price-trend {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.75rem !important;
  }

  /****************  LIVE FEED SECTION  ****************/
  .live-feed-section {
    padding: 2rem 0 !important;
  }
  .section-header {
    margin-bottom: var(--space-lg) !important;
  }
  .section-meta {
    font-size: 0.8rem !important;
    opacity: 0.8 !important;
    margin-bottom: var(--space) !important;
  }
  .feed-controls {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: var(--space-sm) !important;
    align-items: center !important;
  }
  .btn.small {
    padding: 0.5rem 0.75rem !important;
    font-size: 0.75rem !important;
  }
  .select.small {
    padding: 0.5rem !important;
    font-size: 0.75rem !important;
  }

  .price-feed-container {
    background: rgba(255, 255, 255, 0.02) !important;
    border-radius: var(--radius) !important;
    overflow: hidden !important;
    margin: var(--space-lg) 0 !important;
  }
  .price-feed-header {
    display: none !important; /* Hide on mobile for space */
  }
  .price-feed-data {
    max-height: 300px !important;
    overflow-y: auto !important;
  }

  .price-statistics {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space) !important;
    margin-top: var(--space-lg) !important;
  }
  .stat-card {
    padding: var(--space) !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: var(--radius) !important;
    text-align: center !important;
  }
  .stat-icon {
    font-size: 1.5rem !important;
    margin-bottom: 0.5rem !important;
  }
  .stat-value {
    display: block !important;
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    margin-bottom: 0.25rem !important;
  }
  .stat-label {
    font-size: 0.75rem !important;
    opacity: 0.8 !important;
  }

  /****************  REVENUE OPPORTUNITIES  ****************/
  .revenue-opportunities-section {
    padding: 2.5rem 0 !important;
  }
  .section-intro {
    font-size: 0.85rem !important;
    line-height: 1.5 !important;
    margin-bottom: var(--space-lg) !important;
    opacity: 0.9 !important;
  }
  .opportunities-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space-lg) !important;
  }
  .opportunity-card {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: var(--radius) !important;
    padding: var(--space) !important;
  }
  .opportunity-header {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.75rem !important;
    margin-bottom: var(--space) !important;
  }
  .opportunity-header h3 {
    font-size: 1rem !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
  }
  .opportunity-icon {
    font-size: 1.2rem !important;
  }
  .revenue-badge {
    background: linear-gradient(135deg, #00ff88, #00d4ff) !important;
    color: #000 !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: 20px !important;
    font-size: 0.8rem !important;
    font-weight: 600 !important;
    text-align: center !important;
  }
  .opportunity-content p {
    font-size: 0.85rem !important;
    line-height: 1.4 !important;
    margin-bottom: var(--space) !important;
  }
  .opportunity-metrics {
    display: grid !important;
    gap: 0.5rem !important;
    margin-bottom: var(--space) !important;
  }
  .metric {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 0.5rem 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
  }
  .metric:last-child {
    border-bottom: none !important;
  }
  .metric-label {
    font-size: 0.75rem !important;
    opacity: 0.8 !important;
  }
  .metric-value {
    font-size: 0.8rem !important;
    font-weight: 500 !important;
  }
  .opportunity-status {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.75rem !important;
  }
  .status-dot {
    width: 8px !important;
    height: 8px !important;
    border-radius: 50% !important;
  }
  .opportunity-status.active .status-dot {
    background: #00ff88 !important;
  }
  .opportunity-status.planning .status-dot {
    background: #ffaa00 !important;
  }
  .opportunity-status.emerging .status-dot {
    background: #ff6b6b !important;
  }

  .revenue-stacking-summary {
    margin-top: calc(var(--space-lg) * 0.8) !important;
    padding: calc(var(--space-lg) * 0.85) !important;
    background: rgba(255, 255, 255, 0.02) !important;
    border-radius: var(--radius) !important;
  }
  .revenue-stacking-summary h3 {
    font-size: 1.1rem !important;
    margin-bottom: var(--space) !important;
  }
  .stacking-chart {
    margin-top: var(--space) !important;
  }
  .stacking-bar {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    margin-bottom: var(--space) !important;
  }
  .stack-segment {
    padding: 0.75rem !important;
    border-radius: 8px !important;
    text-align: center !important;
    font-size: 0.8rem !important;
    font-weight: 500 !important;
  }
  .stack-segment.balancing {
    background: linear-gradient(135deg, #00ff88, #00d4ff) !important;
    color: #000 !important;
  }
  .stack-segment.fcr {
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e) !important;
    color: #fff !important;
  }
  .stack-segment.congestion {
    background: linear-gradient(135deg, #ffaa00, #ffcc44) !important;
    color: #000 !important;
  }
  .stack-segment.voltage {
    background: linear-gradient(135deg, #8b5cf6, #a78bfa) !important;
    color: #fff !important;
  }
  .stack-segment.other {
    background: linear-gradient(135deg, #64748b, #94a3b8) !important;
    color: #fff !important;
  }
  .stacking-total {
    text-align: center !important;
    font-size: 0.9rem !important;
  }

  /****************  CALCULATOR SECTION  ****************/
  .calculator-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space-lg) !important;
    margin: var(--space-lg) 0 !important;
  }
  .config-panel,
  .strategy-panel,
  .results-panel {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: var(--radius) !important;
    padding: calc(var(--space) * 0.85) !important;
  }
  .config-panel h3,
  .strategy-panel h3,
  .results-panel h3 {
    font-size: 1rem !important;
    margin-bottom: var(--space) !important;
  }
  .input-group {
    margin-bottom: var(--space) !important;
  }
  .input-group label {
    display: block !important;
    font-size: 0.8rem !important;
    margin-bottom: 0.5rem !important;
    opacity: 0.9 !important;
  }
  .input-group input {
    width: 100% !important;
    padding: 0.75rem !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 8px !important;
    color: #fff !important;
    font-size: 0.85rem !important;
  }
  .result-item {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 0.75rem 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
  }
  .result-item:last-child {
    border-bottom: none !important;
  }
  .result-item.highlight {
    background: rgba(0, 255, 136, 0.1) !important;
    padding: 0.75rem !important;
    border-radius: 8px !important;
    border-bottom: none !important;
    margin: 0.5rem 0 !important;
  }
  .result-label {
    font-size: 0.8rem !important;
    opacity: 0.9 !important;
  }
  .result-value {
    font-size: 0.9rem !important;
    font-weight: 600 !important;
  }

  /****************  INSIGHTS SECTION  ****************/
  .insights-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space-lg) !important;
  }
  .insight-card {
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: var(--radius) !important;
    padding: var(--space) !important;
  }
  .insight-card h3 {
    font-size: 1rem !important;
    margin-bottom: var(--space) !important;
  }
  .trading-windows,
  .volatility-metrics,
  .forecast-items {
    display: grid !important;
    gap: 0.75rem !important;
  }
  .window-item,
  .metric-item,
  .forecast-item {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 0.5rem 0 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
    font-size: 0.8rem !important;
  }
  .window-item:last-child,
  .metric-item:last-child,
  .forecast-item:last-child {
    border-bottom: none !important;
  }

  /****************  PRICE DATA SECTION  ****************/
  .price-data-section {
    padding: 2.5rem 0 !important;
  }
  .price-cards-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space) !important;
    margin-bottom: var(--space-lg) !important;
  }
  .price-intervals-container {
    margin: var(--space-lg) 0 !important;
  }
  .intervals-header {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space) !important;
    margin-bottom: var(--space) !important;
  }
  .interval-controls {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: var(--space-sm) !important;
  }
  .control-btn {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    padding: 0.5rem 0.75rem !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 8px !important;
    color: #fff !important;
    font-size: 0.75rem !important;
    text-decoration: none !important;
  }
  .control-btn.active {
    background: rgba(0, 255, 136, 0.2) !important;
    border-color: rgba(0, 255, 136, 0.3) !important;
  }
  .time-range-select {
    padding: 0.5rem !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 8px !important;
    color: #fff !important;
    font-size: 0.75rem !important;
  }
  .data-status {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.75rem !important;
  }
  .status-indicator {
    font-size: 0.6rem !important;
  }

  .price-intervals-table-container {
    overflow-x: auto !important;
    border-radius: var(--radius) !important;
    background: rgba(255, 255, 255, 0.02) !important;
  }
  .price-intervals-table {
    width: 100% !important;
    min-width: 600px !important;
    border-collapse: collapse !important;
  }
  .price-intervals-table th,
  .price-intervals-table td {
    padding: 0.5rem 0.75rem !important;
    text-align: left !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
    font-size: 0.75rem !important;
  }
  .price-intervals-table th {
    background: rgba(255, 255, 255, 0.05) !important;
    font-weight: 600 !important;
    position: sticky !important;
    top: 0 !important;
  }

  /****************  MARKET OPPORTUNITIES  ****************/
  .market-opportunities {
    margin: var(--space-lg) 0 !important;
  }
  .market-opportunities h3 {
    font-size: 1.1rem !important;
    margin-bottom: var(--space) !important;
  }
  .market-opportunities .opportunities-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space) !important;
  }
  .market-opportunities .opportunity-card {
    padding: var(--space) !important;
  }
  .market-opportunities .opportunity-header {
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    margin-bottom: var(--space-sm) !important;
  }
  .market-opportunities .opportunity-header h4 {
    font-size: 0.9rem !important;
    margin: 0 !important;
  }
  .market-opportunities .opportunity-status {
    align-self: flex-start !important;
    padding: 0.25rem 0.5rem !important;
    border-radius: 12px !important;
    font-size: 0.7rem !important;
    font-weight: 500 !important;
  }
  .market-opportunities .opportunity-status.active {
    background: rgba(0, 255, 136, 0.2) !important;
    color: #00ff88 !important;
  }
  .market-opportunities .opportunity-status.planning {
    background: rgba(255, 170, 0, 0.2) !important;
    color: #ffaa00 !important;
  }
  .market-opportunities .opportunity-status.future {
    background: rgba(255, 107, 107, 0.2) !important;
    color: #ff6b6b !important;
  }

  /****************  MARKET INDICATORS  ****************/
  .market-indicators {
    margin: var(--space-lg) 0 !important;
  }
  .market-indicators h3 {
    font-size: 1.1rem !important;
    margin-bottom: var(--space) !important;
  }
  .indicators-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space) !important;
  }
  .indicator-card {
    display: flex !important;
    align-items: center !important;
    gap: var(--space-sm) !important;
    padding: var(--space) !important;
    background: rgba(255, 255, 255, 0.03) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: var(--radius) !important;
  }
  .indicator-icon {
    font-size: 1.5rem !important;
    opacity: 0.8 !important;
  }
  .indicator-content {
    flex: 1 !important;
  }
  .indicator-label {
    font-size: 0.7rem !important;
    opacity: 0.8 !important;
    margin-bottom: 0.25rem !important;
  }
  .indicator-value {
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    margin-bottom: 0.25rem !important;
  }
  .indicator-trend {
    font-size: 0.65rem !important;
    opacity: 0.7 !important;
  }
  .indicator-trend.positive {
    color: #00ff88 !important;
  }
  .indicator-trend.negative {
    color: #ff6b6b !important;
  }
  .indicator-trend.neutral {
    color: #ffaa00 !important;
  }

  /****************  GENERIC CARDS  ****************/
  /* Remove rigid desktop min-heights & forced grid rows */
  .card,
  .kpi,
  .portfolio-stat,
  .site-card,
  .strategy-item,
  .note,
  .chart-wrap,
  .sim-panel,
  .scenario-chart,
  .financial-metrics,
  .investment-input,
  .accordion .item,
  .inputs {
    min-height: auto !important;
    padding: calc(var(--space) * 0.85) calc(var(--space) * 0.9) !important;
    border-radius: var(--radius) !important;
    margin: 0 !important;
  }
  .card h3 {
    font-size: 0.95rem !important;
    margin: 0 0 0.5rem !important;
  }
  .card p,
  .card li {
    font-size: 0.8rem !important;
  }

  /****************  GRID SYSTEM  ****************/
  /* Fluid auto-fit approach, fallback to 2 columns where possible */
  .cards {
    display: grid !important;
    gap: var(--space) !important;
    grid-auto-rows: auto !important;
  }
  .cards.cards-4,
  .kpis,
  .portfolio-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }
  .cards.cards-3,
  #ops .grid-3,
  .grid-3 {
    grid-template-columns: 1fr !important;
  }
  .grid-2 {
    grid-template-columns: 1fr !important;
    gap: calc(var(--space) * 0.9) !important;
  }
  .contact-layout {
    grid-template-columns: 1fr !important;
    margin-top: calc(var(--space) * 0.9) !important;
    gap: calc(var(--space) * 0.9) !important;
  }
  .contact-card {
    padding: 1.25rem !important;
  }
  .contact-highlights li {
    flex-direction: column;
    align-items: flex-start;
  }
  .contact-highlight-value {
    text-align: left;
  }
  .contact-consent {
    align-items: flex-start;
  }
  .contact-form {
    padding: calc(var(--space) * 0.8) !important;
    gap: calc(var(--space) * 0.8) !important;
  }
  .contact-form-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space) !important;
  }
  .kpis .kpi {
    padding: 0.85rem !important;
  }
  .kpis .value {
    font-size: 1.1rem !important;
    margin-bottom: 0.2rem !important;
  }
  .kpis .label {
    font-size: 0.75rem !important; /* avoid tiny labels on phones */
    letter-spacing: 0.5px;
    line-height: 1.1;
  }

  /* Site / portfolio cards become a vertical stack */
  .portfolio-summary {
    margin: var(--space-lg) 0 !important;
  }
  .portfolio-stat {
    padding: 1rem !important;
  }
  .stat-value {
    font-size: 1.35rem !important;
  }
  .site-card {
    display: flex !important;
    flex-direction: column;
  }
  .site-card-header {
    padding: 1rem !important;
  }
  .site-details {
    padding: 0.75rem 1rem !important;
  }

  /****************  SCENARIO + INPUTS  ****************/
  .sim-grid .row,
  .kpi-list li {
    padding: 0.75rem 0.85rem !important;
    font-size: 0.8rem !important;
  }
  .value-input {
    width: 100% !important;
    font-size: 0.85rem !important;
    padding: 0.65rem 0.75rem !important;
  }
  .investment-content {
    display: flex !important;
    flex-direction: column !important;
    gap: var(--space) !important;
  }
  .investment-metrics {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space) !important;
  }
  .metric {
    padding: 0.75rem !important;
  }
  .metric-value {
    font-size: 0.95rem !important;
  }

  /****************  TABLES & CHARTS  ****************/
  .chart-wrap {
    padding: 1rem !important;
  }
  .chart-wrap canvas {
    height: 175px !important;
  }
  .chart-container {
    margin: var(--space-lg) 0 !important;
  }
  .chart-container h3 {
    font-size: 1rem !important;
    margin-bottom: var(--space) !important;
  }
  .chart-wrapper {
    position: relative !important;
    height: 200px !important;
    margin-bottom: var(--space) !important;
  }
  .chart-wrapper canvas {
    max-height: 200px !important;
  }
  .chart-legend {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: var(--space-sm) !important;
    justify-content: center !important;
  }
  .legend-item {
    display: flex !important;
    align-items: center !important;
    gap: 0.5rem !important;
    font-size: 0.75rem !important;
  }
  .legend-dot {
    width: 12px !important;
    height: 12px !important;
    border-radius: 50% !important;
  }
  .legend-dot.up {
    background: #00ff88 !important;
  }
  .legend-dot.down {
    background: #ff6b6b !important;
  }
  .legend-dot.spread {
    background: #ffaa00 !important;
  }

  .data-table {
    display: block !important;
    width: 100% !important;
    overflow-x: auto !important;
    font-size: 0.75rem !important;
  }
  .data-table th,
  .data-table td {
    padding: 0.55rem 0.75rem !important;
    white-space: nowrap;
  }

  /****************  LISTS  ****************/
  .tick {
    margin: 0.75rem 0 !important;
  }
  .tick li {
    font-size: 0.8rem !important;
    margin: 0.4rem 0 !important;
    line-height: 1.35 !important;
    padding-left: 18px !important;
  }

  /****************  CHAT  ****************/
  #aiChat {
    margin: 2rem 0 !important;
  }
  .chat-messages {
    height: 300px !important;
  }
  .message-content {
    font-size: 0.8rem !important;
  }

  /****************  FOOTER  ****************/
  .site-footer {
    padding: 2rem 0 !important;
  }
  .footer {
    flex-direction: column !important;
    gap: 0.75rem !important;
    font-size: 0.7rem !important;
    text-align: center;
  }

  /****************  MISC  ****************/
  .home-intro {
    margin-top: 1.5rem !important;
  }
  .home-intro h3 {
    margin-top: 2rem !important;
    font-size: 0.95rem !important;
  }
  .home-intro .cards.cards-4 .card h3 {
    font-size: 0.9rem !important; /* improve readability */
  }
  .home-intro .cards.cards-4 .card p {
    font-size: 0.8rem !important;
  }
  .accordion .q {
    font-size: 0.85rem !important;
    padding: 0.75rem 0.5rem !important;
  }
  .accordion .a {
    font-size: 0.75rem !important;
  }

  /* Remove any legacy forced rows/heights from earlier sheets */
  .cards.cards-4,
  .kpis,
  #ops .grid-3,
  .cards.cards-3 {
    grid-template-rows: initial !important;
  }
  .cards.cards-3 .card,
  #ops .card {
    height: auto !important;
  }

  /* Avoid horizontal scroll artifacts caused by max-width:100% !important; on * */
  * {
    max-width: none;
  }

  /* ECONOMICS: layout + alignment */
  #economics .box-common {
    padding: var(--space) !important;
  }
  #economics .eco-cols {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: var(--space) !important;
    margin-top: var(--space) !important;
  }
  #economics .kpi-list li {
    display: flex !important;
    justify-content: space-between !important;
    align-items: baseline !important;
    gap: 0.75rem !important;
  }
  #economics .kpi-list .label {
    font-size: 0.85rem !important;
  }
  #economics .kpi-list .value {
    font-size: 1rem !important;
    text-align: right !important;
  }

  /* SCENARIO sim panel rows */
  .sim-grid .row {
    display: grid !important;
    grid-template-columns: 1fr auto !important;
    gap: 0.75rem !important;
    align-items: center !important;
  }
  .sim-grid .row.input {
    grid-template-columns: 1fr !important;
  }
  .scenario-chart canvas {
    width: 100% !important;
  }

  /* FINANCE: metrics alignment */
  #finance .financial-metrics {
    padding: var(--space) !important;
  }
  #finance .financial-metrics .kpi-list li {
    display: flex !important;
    justify-content: space-between !important;
    align-items: baseline !important;
    gap: 0.75rem !important;
  }
  #finance .financial-metrics .kpi-list .label {
    font-size: 0.9rem !important;
  }
  #finance .financial-metrics .kpi-list .value {
    font-size: 1.05rem !important;
    text-align: right !important;
  }
  #finance .investment-input {
    padding: var(--space) !important;
  }
}

/****************  VERY SMALL (<=480px)  ****************/
@media (max-width: 480px) {
  :root {
    --battery-width: 200px;
    --battery-height: 110px;
  }

  .cards.cards-4,
  .kpis,
  .portfolio-summary {
    grid-template-columns: 1fr !important;
  }
  .investment-metrics {
    grid-template-columns: 1fr !important;
  }
  .hero h1 {
    font-size: clamp(1.9rem, 9vw, 2.1rem) !important;
  }
  .hero-art img {
    max-width: 220px !important;
  }
  .kpis .value {
    font-size: 1rem !important;
  }
  .kpis .label {
    font-size: 0.5rem !important;
  }
  .hero-copy p {
    font-size: 0.78rem !important;
  }

  /* Very small screen adjustments for pricing elements */
  .market-status-bar {
    grid-template-columns: 1fr !important;
  }
  .price-statistics {
    grid-template-columns: 1fr !important;
  }
  .indicators-grid {
    grid-template-columns: 1fr !important;
  }
  .stacking-bar {
    flex-direction: column !important;
  }
  .stack-segment {
    width: 100% !important;
  }
  .feed-controls {
    flex-direction: column !important;
    align-items: stretch !important;
  }
  .interval-controls {
    flex-direction: column !important;
  }
  .control-btn,
  .time-range-select {
    width: 100% !important;
    justify-content: center !important;
  }
}