/* ──────────────────────────────────────────────────────────
   ALIEN-TECH theme — dark, glassy, holographic.
   Default + most "fun." Cyan/magenta accents, mono numerics, scanlines.
   ────────────────────────────────────────────────────────── */
[data-theme='alien-tech'] {
  --paper: #06080f;
  --paper-2: #0d1322;
  --paper-3: #161e35;
  --ink: #d8e6f8;
  --ink-mute: #8da4c2;
  --ink-faint: #56688a;
  --rule: #1f2a44;
  --accent: #7af9ff;
  --accent-2: #ff67e8;
  --warn: #ffb347;
  --good: #6ce28d;
  --shadow: 0 8px 32px rgba(0, 230, 255, 0.08), 0 4px 12px rgba(0, 0, 0, 0.5);

  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-mono: 'JetBrains Mono', monospace;

  --track-display: -0.02em;
  --scroll-thumb: #2a3b62;
}

[data-theme='alien-tech'][data-mode='light'] {
  --paper: #f4f8ff;
  --paper-2: #e3eaf7;
  --paper-3: #cfd9ed;
  --ink: #0c1326;
  --ink-mute: #475877;
  --ink-faint: #738aa8;
  --rule: #b9c6dd;
  --accent: #0892a5;
  --accent-2: #b53697;
  --shadow: 0 6px 24px rgba(20, 60, 90, 0.12);
  --scroll-thumb: #9eb1cf;
}

/* Background ambient — subtle holographic gradient + scanlines */
[data-theme='alien-tech'] body {
  background:
    radial-gradient(ellipse at 20% -10%, rgba(122, 249, 255, 0.07), transparent 60%),
    radial-gradient(ellipse at 110% 110%, rgba(255, 103, 232, 0.05), transparent 55%),
    var(--paper);
}
[data-theme='alien-tech'][data-mode='light'] body {
  background:
    radial-gradient(ellipse at 20% -10%, rgba(8, 146, 165, 0.10), transparent 60%),
    radial-gradient(ellipse at 110% 110%, rgba(181, 54, 151, 0.06), transparent 55%),
    var(--paper);
}

/* Scanlines overlay (fixed, decorative, doesn't block clicks) */
[data-theme='alien-tech'] body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent 0,
    transparent 2px,
    rgba(255, 255, 255, 0.012) 2px,
    rgba(255, 255, 255, 0.012) 3px
  );
  mix-blend-mode: screen;
  z-index: 100;
}
[data-theme='alien-tech'][data-mode='light'] body::before {
  background: repeating-linear-gradient(
    0deg,
    transparent 0,
    transparent 2px,
    rgba(0, 0, 0, 0.018) 2px,
    rgba(0, 0, 0, 0.018) 3px
  );
  mix-blend-mode: multiply;
}

/* Eyebrow tags get the holographic treatment */
[data-theme='alien-tech'] .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: var(--track-eyebrow);
  text-transform: uppercase;
  color: var(--accent);
  text-shadow: 0 0 8px rgba(122, 249, 255, 0.45);
}

/* Display headings — letter-spacing tight, slightly luminous */
[data-theme='alien-tech'] h1,
[data-theme='alien-tech'] h2.display {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: var(--track-display);
}

[data-theme='alien-tech'] .card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    var(--paper-2);
  border: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
[data-theme='alien-tech'] .card::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, transparent 60%, rgba(122, 249, 255, 0.06) 80%, transparent 90%);
  opacity: 0;
  transition: opacity var(--duration) var(--ease);
}
[data-theme='alien-tech'] .card:hover::after {
  opacity: 1;
}

/* Highlight numerics in mono — applied via .num */
[data-theme='alien-tech'] .num {
  font-family: var(--font-mono);
  font-feature-settings: 'tnum';
  letter-spacing: 0.02em;
}

/* Brand mark glow */
[data-theme='alien-tech'] .brand .mark {
  filter: drop-shadow(0 0 6px rgba(122, 249, 255, 0.5));
}