/* ==========================================================================
   POSTER THEME & DESIGN TOKENS
   Color palette & typography matched 100% to poster print.png
   Author: Krisdiantoro (G8501241038)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Canvas Background - Warm soft archival paper */
  --bg-poster: #F5F5ED;
  --bg-card: #FFFFFF;
  --bg-card-warm: #FDF9F3;
  --bg-card-tint: #FFF4EC;
  --bg-card-subtle: #FAF8F2;
  --bg-canvas-deep: #ECE9DE;

  /* Ink / Text Colors */
  --ink-primary: #1A1A1A;
  --ink-secondary: #3D3B36;
  --ink-muted: #6B685F;
  --ink-light: #8E8B82;

  /* Accent: Terracotta / Coral Rust (Poster's signature banner color) */
  --accent-terracotta: #DD8466;
  --accent-terracotta-dark: #B9593B;
  --accent-terracotta-soft: #FDEEE9;
  --accent-terracotta-glow: rgba(221, 132, 102, 0.25);

  /* Accent: Sage / Marine Green (Poster's secondary accent) */
  --accent-sage: #6C9A89;
  --accent-sage-dark: #4D7667;
  --accent-sage-soft: #EDF5F2;
  --accent-sage-glow: rgba(108, 154, 137, 0.25);

  /* Accent: Red Blood Cell (TRBC 2% Hemagglutination wells) */
  --accent-rbc-red: #D9383A;
  --accent-rbc-soft: #FDEDED;
  --accent-rbc-pellet: #9C1B1D;

  /* Accent: Amber / Gold / Sand */
  --accent-amber: #D49B55;
  --accent-amber-dark: #A67128;
  --accent-amber-soft: #FDF6EC;

  /* Accent: FPLC UV280 Blue */
  --accent-fplc-blue: #2B6CB0;
  --accent-fplc-gradient: #38A169;
  --accent-fplc-cond: #DD6B20;

  /* Borders & Shadows */
  --border-card: #E4E0D2;
  --border-soft: #DED9CD;
  --border-strong: #1A1A1A;
  --shadow-subtle: 0 2px 6px rgba(0, 0, 0, 0.04);
  --shadow-card: 0 4px 14px rgba(0, 0, 0, 0.06);
  --shadow-elevated: 0 10px 25px rgba(0, 0, 0, 0.08);

  /* Typography */
  --font-serif: 'Lora', Georgia, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;

  /* Layout */
  --site-max-width: 1280px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --header-height: 72px;
  --bottom-nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-poster);
  color: var(--ink-primary);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-poster);
  color: var(--ink-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: calc(var(--bottom-nav-height) + 24px);
  overflow-x: hidden;
}

/* Typography Defaults */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink-primary);
  font-weight: 700;
  line-height: 1.25;
}

p {
  color: var(--ink-secondary);
}

a {
  color: inherit;
  text-decoration: none;
}

code, pre, .mono-data {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* Focus styles for accessibility */
button:focus-visible, a:focus-visible {
  outline: 2.5px solid var(--accent-terracotta);
  outline-offset: 2px;
}