/* ==========================================================================
   Fuzzy SG — Multi-Day & Historical Charting Styles
   ========================================================================== */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --border-color: #e2e8f0;
  --accent-color: #2563eb;
  --hover-bg: #f1f5f9;

  /* Region Palette */
  --color-north:   #2563eb;
  --color-south:   #ef4444;
  --color-east:    #f59e0b;
  --color-west:    #10b981;
  --color-central: #8b5cf6;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --accent-color: #3b82f6;
    --hover-bg: #273548;
  }
}

/* ── Reset & Base ───────────────────────────────────────────────────── */

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  padding-bottom: 2rem;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ── Header ─────────────────────────────────────────────────────────── */

.site-header {
  background-color: var(--card-bg);
  border-bottom: 1px solid var(--border-color);
  padding: 1.5rem 0;
  margin-bottom: 1.5rem;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.site-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
}

.tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.nav-btn {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--accent-color);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: opacity 0.2s ease;
}

.nav-btn:hover {
  opacity: 0.85;
}

/* ── Control Panel ──────────────────────────────────────────────────── */

.control-panel {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.control-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.control-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.checkbox-group {
  cursor: pointer;
}

.checkbox-group input {
  cursor: pointer;
}

.date-input {
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text-primary);
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.4rem 0.65rem;
  outline: none;
  transition: border-color 0.2s;
}

.date-input:focus {
  border-color: var(--accent-color);
}

/* ── Region Filter Toggles ──────────────────────────────────────────── */

.region-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.region-label {
  font-size: 0.875rem;
}

.region-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.region-toggle {
  cursor: pointer;
  user-select: none;
}

.region-toggle input[type="checkbox"] {
  display: none;
}

.toggle-pill {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  border: 1.5px solid var(--border-color);
  color: var(--text-secondary);
  background-color: var(--bg-color);
  transition: all 0.2s ease;
}

/* Region-specific checked states */
.toggle-north input:checked + .toggle-pill {
  color: #fff;
  background-color: var(--color-north);
  border-color: var(--color-north);
}

.toggle-south input:checked + .toggle-pill {
  color: #fff;
  background-color: var(--color-south);
  border-color: var(--color-south);
}

.toggle-east input:checked + .toggle-pill {
  color: #fff;
  background-color: var(--color-east);
  border-color: var(--color-east);
}

.toggle-west input:checked + .toggle-pill {
  color: #fff;
  background-color: var(--color-west);
  border-color: var(--color-west);
}

.toggle-central input:checked + .toggle-pill {
  color: #fff;
  background-color: var(--color-central);
  border-color: var(--color-central);
}

.primary-btn {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  padding: 0.45rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.primary-btn:hover {
  opacity: 0.85;
}

/* ── Message / Alert Banner ─────────────────────────────────────────── */

.message-banner {
  background-color: var(--hover-bg);
  border-left: 4px solid var(--accent-color);
  padding: 0.6rem 0.85rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.message-icon {
  font-size: 1.1rem;
  color: var(--accent-color);
}

/* ── Content Panels & Chart Customization ────────────────────────────── */

.content-panel {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.content-panel h2 {
  font-size: 1.15rem;
  margin-bottom: 0.2rem;
}

.chart-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.axis-controls {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.axis-input {
  font-family: inherit;
  font-size: 0.8rem;
  color: var(--text-primary);
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.25rem 0.4rem;
  width: 4.5rem;
  outline: none;
}

.axis-input:focus {
  border-color: var(--accent-color);
}

.chart-container {
  position: relative;
  height: 400px;
  width: 100%;
}

/* ── Data Table ─────────────────────────────────────────────────────── */

.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}

.data-table th,
.data-table td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table th {
  background-color: var(--bg-color);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  position: sticky;
  top: 0;
}

#stats-body tr {
  background-color: var(--hover-bg);
  font-weight: 600;
}

.data-table tbody tr:hover {
  background-color: var(--hover-bg);
}

.center-text {
  text-align: center;
}

/* ── Info & Footer ──────────────────────────────────────────────────── */

.info-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: 8px;
  margin-bottom: 2rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.info-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.site-footer {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 1rem 0;
}

.site-footer p {
  margin-bottom: 0.3rem;
}

.site-footer a {
  color: var(--accent-color);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.site-footer code {
  font-size: 0.78rem;
  background-color: var(--hover-bg);
  padding: 0.1rem 0.35rem;
  border-radius: 3px;
}

.disclaimer {
  font-style: italic;
  opacity: 0.8;
}

/* ── Responsive Tweaks ──────────────────────────────────────────────── */

@media (max-width: 700px) {
  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
  }

  .panel-header {
    flex-direction: column;
  }

  .chart-container {
    height: 300px;
  }
}