/* Lightweight stylesheet for iterative development.
   This file is intentionally minimal and additive — it does not remove
   or override the comprehensive inline styles already present in the
   HTML. Use this for quick tweaks during live-preview sessions. */
:root {
  --bg: #0a1931;
  --card-bg: #13294b;
  --muted: #9fb6c8;
  --accent: #00bfa5;
  --text: #e0e6ed;
}
/* Fix layout: allow the page to grow with content; remove fixed height to avoid double scrollbars */
html { }
body {
  min-height: 100vh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.container { max-width: 100%; margin: 0 auto; padding: 20px 0; box-sizing: border-box; }
/* Ensure chart cards flexibly fill available space in the grid/flex layout. Allow two per row on larger screens and one per row on small screens. */
.chart-card {
  min-height: 380px;
  transition: box-shadow 0.25s ease, opacity 0.25s ease;
  will-change: box-shadow, opacity;
  flex: 1 1 calc(50% - 24px);
  max-width: 620px;
  min-width: 360px;
  position: relative;
}
.chart-card:hover { box-shadow: 0 12px 24px rgba(0,0,0,0.4); }
.chart-card h3 { color: var(--accent); }
.chart-card canvas { width: 100% !important; height: 100% !important; display: block; }
.chart-brand { position: absolute; right: 8px; bottom: 22px; text-align: right; font-size: 12px; color: rgba(255, 255, 255, 0.85); font-weight: 500; text-shadow: 0 0 4px rgba(0, 0, 0, 0.6); pointer-events: none; }
.snapshot-btn { background: rgba(7,18,39,0.6); color: var(--text); border-radius: 999px; padding: 6px 12px; }
/* Utility helpers for quick live edits */
.vibe-hidden { display: none !important; }
.vibe-debug-border { outline: 2px dashed #ffeb3b; }

/* Keep the input/profile bar aligned to chart grid without shrinking global width */
.profile-card {
  max-width: 1280px;
  margin: 0 auto;
}
/* Center the percentile/median tiles and auto-fit columns */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  width: 100%;
  max-width: 1200px;
  margin: 14px auto 0;
  justify-items: stretch;
}

/* Layout for the charts grid: two per row where space allows; collapse to one per row on narrow screens */
.charts-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: start;
  justify-content: center;
  box-sizing: border-box;
  width: 100%;
}
@media (max-width: 960px) {
  .chart-card {
    flex: 1 1 100%;
    max-width: 100%;
    min-width: 0;
  }
}

/* --- Mobile: stack stat cards --- */
@media (max-width: 600px) {
  #mobileStatStack {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  #mobileStatStack .statCard {
    width: 100% !important;
    max-width: none !important;
  }
}

/* Mobile results wrapping: let percentile cards wrap cleanly instead of overflowing */
@media (max-width: 768px) {
  .results-container {
    display: flex !important;
    flex-wrap: wrap;
    flex-direction: row;
    gap: 12px;
  }
  .results-container .result-card {
    flex: 1 1 48%;
    max-width: 100%;
    min-width: 0;
  }
}

@media (max-width: 520px) {
  .results-container .result-card {
    flex: 1 1 100%;
    max-width: 100%;
  }
}

/* --- Mobile title fit fix --- */
@media (max-width: 600px) {
  .page-brand {
    font-size: clamp(22px, 6vw, 30px) !important;
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
    line-height: 1.1;
    padding: 0 4px;
  }
}

/* --- Mobile title fit fix --- */
@media (max-width: 600px) {
  .page-brand {
    font-size: clamp(22px, 6vw, 30px);
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
    line-height: 1.1;
  }
}
.references-section { margin-top: 28px; }
.references-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.reference-block { background: rgba(7,18,39,0.6); border: 1px solid rgba(255,255,255,0.05); border-radius: 10px; padding: 12px; }
.reference-title { font-weight: 700; color: #e6f4ff; margin-bottom: 6px; }
.reference-links { display: flex; flex-direction: column; gap: 4px; }
.reference-links a { color: #6aa3f4; }

/* Info icon styling: inline display with SVG first */
.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 191, 165, 0.1);
  color: var(--accent);
  margin-left: 8px;
  vertical-align: middle;
  position: relative;
  cursor: pointer;
}

/* SVG icon (primary display) */
.info-icon svg {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--accent);
}

/* Fallback text "i" - only shows if SVG doesn't load */
.info-icon::before {
  content: 'i';
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  font-size: 0.85rem;
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  /* Hidden by default; only shows if SVG is missing */
  display: none;
}

/* Show fallback "i" if SVG is missing or broken */
.info-icon:not(:has(svg)) ::before {
  display: block;
}

/* Tooltip positioning */
.info-icon .info-tooltip {
  position: absolute;
  top: calc(100% + 8px);
  right: 100%;
  left: auto;
  transform: none;
  z-index: 1000;
  max-width: 450px !important;
  width: 450px !important;
  white-space: normal !important;
  word-wrap: break-word !important;
}
#unitInfoIcon .info-tooltip {
  top: 100%;
  left: 100%;
  right: auto;
  transform: translate(6px, 4px);
  max-width: 900px !important;
  width: 700px !important;
}

/* High-contrast form controls (inputs, selects, textareas) */
:root {
  --control-bg: rgba(255,255,255,0.03);
  --control-border: rgba(255,255,255,0.14);
  --control-placeholder: rgba(224,230,237,0.55);
  --control-focus-shadow: rgba(0,191,165,0.14);
}

input[type="text"], input[type="number"], input[type="search"],
input[type="email"], textarea, select, .filter-input, .control input, .control select {
  background: var(--control-bg) !important;
  border: 1px solid var(--control-border) !important;
  color: var(--text) !important;
  padding: 8px 12px !important;
  border-radius: 8px !important;
  box-shadow: inset 0 -1px 0 rgba(0,0,0,0.25);
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

/* Make placeholders readable */
input::placeholder, textarea::placeholder {
  color: var(--control-placeholder) !important;
  opacity: 1;
}

/* Focus states: clear, visible, same colour scheme */
input:focus, textarea:focus, select:focus {
  outline: none !important;
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 4px var(--control-focus-shadow) !important;
}

/* Slightly stronger contrast for compact header controls */
.header-control input, .header-control select {
  padding: 10px 14px !important;
  background: rgba(255,255,255,0.028) !important;
}

/* Ensure selects keep their chevrons visible on dark background */
select { -webkit-appearance: none; -moz-appearance: none; appearance: none; }

/* Final layout guardrails for chart grid */
.charts-grid {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 28px !important;
  justify-content: center;
  align-items: flex-start;
  width: 100%;
  box-sizing: border-box;
}
.chart-card {
  flex: 1 1 calc(50% - 24px) !important;
  max-width: 620px !important;
  min-width: 360px !important;
}
@media (max-width: 960px) {
  .chart-card {
    flex: 1 1 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
  }
}
/* Mobile-first fixes: ensure one chart per row with no empty side space */
@media (max-width: 768px) {
  html, body { width: 100%; overflow-x: hidden; }
  .container {
    width: 100%;
    max-width: 100%;
    padding: 12px 0 20px;
    margin: 0 auto;
  }
  .content-width {
    width: 100%;
    max-width: 100%;
    padding: 0 12px;
  }
  .hero {
    padding: 22px 12px 12px;
    max-width: 100%;
  }
  .page-subtitle {
    font-size: 16px;
  }
  /* Force single-column, full-width layout */
  .charts-grid,
  .profile-card,
  .chart-card,
  .chart-container {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box;
  }
  .charts-grid {
    flex-direction: column !important;
    align-items: stretch !important;
    justify-content: flex-start !important;
    gap: 14px !important;
    padding: 0 8px;
    width: 100%;
  }
  .chart-card {
    flex: 1 1 auto !important;
    min-width: 0 !important;
    margin: 0 !important;
    padding: 14px 14px 16px !important;
    border-radius: 12px !important;
  }
  .chart-card h3 {
    font-size: 0.92rem !important;
    margin-bottom: 6px !important;
  }
  .chart-container {
    aspect-ratio: 1.2 / 1 !important;
    min-height: 320px;
  }
  .chart-card canvas {
    max-width: 100% !important;
  }
  .top-controls {
    align-items: stretch;
    gap: 10px;
  }
  .controls-row,
  .projection-row {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
  .controls-grid {
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 12px;
  }
.control-actions {
  justify-content: stretch;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}
.control-actions button {
  width: 100%;
}
  .profile-card {
    width: 100%;
    max-width: 100%;
    padding: 12px;
    border-radius: 12px;
    box-sizing: border-box;
  }
}

/* Mobile title + stat tiles: prevent cutoff and stack tiles */
@media (max-width: 600px) {
  /* Title element */
  .page-brand {
    font-size: clamp(28px, 7vw, 44px);
    line-height: 1.05;
    white-space: normal;
    overflow: visible;
    text-overflow: unset;
    word-break: break-word;
    padding: 0 4px;
  }
  .hero {
    padding-left: 14px;
    padding-right: 14px;
  }
  /* Stat tiles wrapper and cards */
  .results-grid {
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 14px !important;
    align-items: stretch;
    justify-items: stretch;
  }
  .metric-card {
    width: 100% !important;
    max-width: none !important;
  }
}

/* --- Mobile: stack stat cards --- */
@media (max-width: 600px) {
  #mobileStatStack {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }
  #mobileStatStack .statCard {
    width: 100% !important;
    max-width: none !important;
  }
}