/* UK Passive Tracker Indexes & Top 5 Outperforming Funds Explorer */
/* UI Redesign Spec Design Tokens & Styles */

:root {
  --bg: oklch(0.975 0.008 85);        /* warm paper */
  --fg: oklch(0.22 0.03 250);         /* ink navy */
  --card: oklch(0.995 0.004 85);
  --muted: oklch(0.94 0.012 85);
  --muted-fg: oklch(0.5 0.02 250);
  --border: oklch(0.89 0.015 85);
  --primary: oklch(0.32 0.07 245);    /* deep navy */
  --primary-fg: oklch(0.98 0.005 85);
  --positive: oklch(0.55 0.13 158);   /* green */
  --positive-soft: oklch(0.93 0.05 158);
  --negative: oklch(0.58 0.19 27);    /* red */
  --negative-soft: oklch(0.94 0.05 27);
  
  --chart-1: oklch(0.32 0.07 245);    /* index */
  --chart-2: oklch(0.62 0.15 40);     /* fund #1 */
  --chart-3: oklch(0.55 0.13 158);    /* fund #2 */
  --chart-4: oklch(0.72 0.14 85);     /* fund #3 */
  --chart-5: oklch(0.55 0.15 300);    /* fund #4 */
  --chart-6: oklch(0.6 0.12 200);     /* fund #5 */
  
  --gradient-hero: linear-gradient(135deg, oklch(0.28 0.07 245), oklch(0.36 0.08 230));
  --shadow-card: 0 1px 2px oklch(0.22 0.03 250 / 6%), 0 8px 24px -12px oklch(0.22 0.03 250 / 18%);
  --radius: 0.75rem;
}

body {
  background-color: var(--bg);
  color: var(--fg);
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
}

.font-serif-title {
  font-family: 'Fraunces', serif;
}

.font-mono-num {
  font-family: 'IBM Plex Mono', monospace;
  font-variant-numeric: tabular-nums;
}

/* Card base */
.spec-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

/* Custom Scrollbar for wide tables and sidebar */
.custom-scrollbar::-webkit-scrollbar {
  height: 7px;
  width: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
  background: var(--muted);
  border-radius: 9999px;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 9999px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: var(--muted-fg);
}

/* Sticky column in matrix */
.sticky-col {
  position: sticky;
  left: 0;
  z-index: 10;
}

.sticky-col-shadow {
  box-shadow: 4px 0 10px -3px oklch(0.22 0.03 250 / 12%);
}

/* Toast styling */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--primary);
  color: var(--primary-fg);
  padding: 10px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
  z-index: 9999;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

#toast.hidden {
  opacity: 0;
  transform: translateY(10px);
}

#toast.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Mini sparklines in sidebar */
.sparkline-bar {
  display: inline-block;
  width: 3px;
  margin: 0 0.5px;
  border-radius: 1px;
}

/* Print optimization */
@media print {
  .no-print {
    display: none !important;
  }
  body {
    background: #ffffff !important;
  }
}