/**
 * Purple Pixel — 8-bit synthwave skin
 * Loaded after base.css. Rules are scoped to body.theme-purple-haze, the
 * class set by ThemeManager (home) or directly on <body> (/blog, /publications).
 * Fonts: Silkscreen (titles/UI) + Pixelify Sans (body text); the ASCII
 * header stays on IBM Plex Mono because pixel fonts break box-drawing glyphs.
 */

/* =====================================================
   PALETTE
   ===================================================== */

body.theme-purple-haze {
  --pp-night: #0b0516;
  --pp-dusk: #2a0e3d;
  --pp-sun-pink: #ff3d8b;
  --pp-sun-gold: #ffb347;
  --pp-yellow: #ffd166;

  --terminal-primary: #cc66ff;
  --terminal-primary-dim: #aa44dd;
  --terminal-primary-bright: #f0c6ff;
  --terminal-background: #140a24;
  --terminal-background-light: #1d1033;
  --terminal-background-lighter: #2a1748;
  --terminal-text: #e6d3ff;
  --terminal-text-dim: #a98ad6;
  --terminal-text-muted: #8a6cba;
  --terminal-accent: #ff66cc;
  --terminal-accent-dim: #cc4499;
  --terminal-border: #cc66ff;
  --terminal-border-dim: #3d2466;
  --terminal-hover: #ffd166;
  --terminal-active: #ffe399;
  --terminal-focus: #ffd166;
  --terminal-success: #66ffb3;
  --terminal-warning: #ffd166;
  --terminal-error: #ff6680;
  --terminal-info: #66ccff;
  --terminal-cursor: #cc66ff;
  --terminal-selection: rgba(255, 102, 204, 0.35);
  --terminal-scrollbar: #cc66ff;
  --terminal-scrollbar-track: #1d1033;
  --terminal-glow: rgba(204, 102, 255, 0.35);

  font-family: 'Pixelify Sans', 'IBM Plex Mono', monospace;
  font-size: 1.05rem;
  background:
    linear-gradient(180deg,
      var(--pp-night) 0%,
      var(--pp-dusk) 55%,
      var(--pp-sun-pink) 78%,
      var(--pp-sun-gold) 86%,
      var(--pp-dusk) 86.2%,
      var(--pp-night) 100%) fixed;
}

/* Perspective pixel grid on the horizon */
body.theme-purple-haze::before {
  content: '';
  position: fixed;
  inset: 60% 0 0;
  background:
    linear-gradient(transparent 0 95%, #ff66cc 95%) 0 0 / 100% 28px,
    linear-gradient(90deg, transparent 0 97%, #ff66cc 97%) 0 0 / 40px 100%;
  transform: perspective(300px) rotateX(55deg);
  transform-origin: top;
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

body.theme-purple-haze .terminal-container,
body.theme-purple-haze .page-container {
  position: relative;
  z-index: 1;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

body.theme-purple-haze h1,
body.theme-purple-haze h2,
body.theme-purple-haze h3,
body.theme-purple-haze .ascii-subtitle,
body.theme-purple-haze .section-title,
body.theme-purple-haze .terminal-title,
body.theme-purple-haze .terminal-footer,
body.theme-purple-haze .page-title,
body.theme-purple-haze .page-nav,
body.theme-purple-haze .metric-label {
  font-family: 'Silkscreen', 'IBM Plex Mono', monospace;
  text-shadow: none;
}

body.theme-purple-haze .ascii-header {
  font-family: 'IBM Plex Mono', monospace;
  letter-spacing: 0;
  color: #ff66cc;
  text-shadow: 4px 4px 0 #5b2a99;
  border: 0;
  background: transparent;
}

body.theme-purple-haze .ascii-subtitle {
  color: var(--pp-yellow);
}

body.theme-purple-haze code,
body.theme-purple-haze pre {
  font-family: 'IBM Plex Mono', monospace;
}

/* =====================================================
   WINDOW (stepped pixel corners)
   ===================================================== */

body.theme-purple-haze .terminal-window {
  border: 0;
  border-radius: 0;
  background: rgba(20, 10, 36, 0.94);
  box-shadow: inset 0 0 0 4px var(--terminal-primary);
  clip-path: polygon(
    0 8px, 8px 8px, 8px 0,
    calc(100% - 8px) 0, calc(100% - 8px) 8px, 100% 8px,
    100% calc(100% - 8px), calc(100% - 8px) calc(100% - 8px), calc(100% - 8px) 100%,
    8px 100%, 8px calc(100% - 8px), 0 calc(100% - 8px)
  );
}

body.theme-purple-haze .terminal-header {
  background: linear-gradient(90deg, var(--terminal-primary), var(--terminal-accent));
  border: 0;
}

body.theme-purple-haze .terminal-title {
  color: var(--terminal-background);
  font-weight: 700;
}

/* =====================================================
   SECTIONS
   ===================================================== */

body.theme-purple-haze .terminal-section {
  border: 0;
  border-radius: 0;
  background: var(--terminal-background-light);
  box-shadow: inset 0 0 0 2px var(--terminal-border-dim), 4px 4px 0 var(--pp-night);
}

body.theme-purple-haze .terminal-section:hover {
  box-shadow: inset 0 0 0 2px var(--terminal-primary-dim), 4px 4px 0 var(--pp-night);
}

body.theme-purple-haze .terminal-section.expanded {
  box-shadow: inset 0 0 0 2px var(--terminal-primary), 4px 4px 0 var(--terminal-accent);
}

body.theme-purple-haze .section-header:hover,
body.theme-purple-haze .section-header:focus {
  background: var(--terminal-background-lighter);
}

body.theme-purple-haze .section-header:hover .section-title,
body.theme-purple-haze .section-header:focus-visible .section-title {
  color: var(--terminal-hover);
}

body.theme-purple-haze .section-title {
  color: var(--terminal-primary);
}

body.theme-purple-haze .section-toggle {
  color: var(--terminal-accent);
}

body.theme-purple-haze .terminal-section.expanded .section-body {
  border-top: 2px solid var(--terminal-border-dim);
}

/* =====================================================
   FOOTER
   ===================================================== */

body.theme-purple-haze .terminal-footer {
  border-top: 2px solid var(--terminal-border-dim);
  padding: 0.75rem 1rem;
}

/* =====================================================
   EFFECTS
   ===================================================== */

body.theme-purple-haze .scanlines.active {
  opacity: 0.12;
}

/* =====================================================
   STANDALONE PAGES (/blog, /publications)
   ===================================================== */

body.theme-purple-haze .page-container {
  background: rgba(20, 10, 36, 0.94);
  box-shadow: inset 0 0 0 4px var(--terminal-primary), 6px 6px 0 var(--terminal-accent);
  padding: 2rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

body.theme-purple-haze .page-title {
  color: var(--terminal-accent);
  text-shadow: 3px 3px 0 #5b2a99;
}

body.theme-purple-haze .page-header,
body.theme-purple-haze .metrics-bar {
  border-color: var(--terminal-border-dim);
}

body.theme-purple-haze .metrics-bar {
  border-width: 2px;
  background: var(--terminal-background-light);
}

body.theme-purple-haze .blog-tag {
  border-radius: 0;
  border-width: 2px;
  border-color: var(--terminal-border-dim);
}

body.theme-purple-haze .blog-entry:hover .blog-title,
body.theme-purple-haze .pub-title a:hover {
  color: var(--pp-yellow);
}

/* =====================================================
   SMALL SCREENS
   ===================================================== */

@media (max-width: 768px) {
  body.theme-purple-haze { font-size: 1rem; }
  body.theme-purple-haze .page-container {
    margin: 1rem;
    padding: 1.25rem;
  }
}

/* Keyboard shortcuts box (?): keep the box-drawing frame aligned */
body.theme-purple-haze .help-output {
  white-space: pre;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8125rem;
  line-height: 1.3;
  color: var(--terminal-accent);
  overflow-x: auto;
}