/* ed42 — Design tokens
 * Hacker terminal, pixelated. Two colors: black + #ff0055.
 * Everything else is derived via alpha over black or red.
 */

/* ---------- FONTS ---------- */
/* Primary: VT323 — CRT/terminal monospace, pixel feel, single-weight.
 * Display: "Press Start 2P" — chunky 8-bit pixel type, used sparingly for H1 / badges.
 * Body mono fallback chain ends at ui-monospace so nothing breaks if fonts fail.
 */
@import url('https://fonts.googleapis.com/css2?family=VT323&family=Press+Start+2P&display=swap');

:root {
  /* ---------- COLOR — RAW ---------- */
  --ed-black:      #000000;          /* primary ground */
  --ed-red:        #ff0055;          /* the one accent */
  --ed-red-rgb:    255, 0, 85;

  /* Alpha-on-black shades (for "neutrals" without introducing grays) */
  --ed-red-05:     rgba(255, 0, 85, 0.05);
  --ed-red-10:     rgba(255, 0, 85, 0.10);
  --ed-red-20:     rgba(255, 0, 85, 0.20);
  --ed-red-40:     rgba(255, 0, 85, 0.40);
  --ed-red-60:     rgba(255, 0, 85, 0.60);
  --ed-red-80:     rgba(255, 0, 85, 0.80);

  /* Red-on-black mixed (pre-computed so we don't rely on color-mix) */
  --ed-red-dim:    #5c0020;          /* ~40% red on black — "disabled" */
  --ed-red-mid:    #99003a;          /* ~60% — secondary text */
  --ed-red-hot:    #ff3377;          /* hover brighten */
  --ed-red-glow:   #ff4488;          /* crt bloom */

  /* Accent palette — neon opaco. Espeja edOracle Mobil app.
   * amber = kairos/alertas · cyan = thalia/sesion · violet = lyra/narrativa.
   */
  --amber:         #c88a00;
  --amber-dim:     #5c3e00;
  --cyan:          #00a690;
  --cyan-dim:      #004a40;
  --phosphor:      #2acc55;
  --phosphor-dim:  #0f4a1e;
  --violet:        #8a4ed6;
  --violet-dim:    #3a1e5c;

  /* ---------- COLOR — SEMANTIC ---------- */
  --bg:            var(--ed-black);
  --bg-elev:       #0a0005;          /* barely-elevated surface, tiniest red wash */
  --bg-hover:      var(--ed-red-10);
  --bg-press:      var(--ed-red-20);
  --bg-selected:   var(--ed-red);

  --fg:            var(--ed-red);     /* primary text — red on black */
  --fg-strong:     var(--ed-red-hot); /* H1, focused */
  --fg-muted:      var(--ed-red-mid); /* metadata, captions */
  --fg-disabled:   var(--ed-red-dim);
  --fg-on-red:     var(--ed-black);   /* when red is bg, text is black */

  --border:        var(--ed-red);
  --border-dim:    var(--ed-red-40);
  --border-hot:    var(--ed-red-hot);

  --focus-ring:    var(--ed-red);
  --scanline:      rgba(255, 0, 85, 0.08);

  /* ---------- TYPE — FAMILIES ---------- */
  --font-mono:     'VT323', ui-monospace, 'Courier New', monospace;
  --font-pixel:    'Press Start 2P', 'VT323', ui-monospace, monospace;
  --font-display:  var(--font-pixel);
  --font-body:     var(--font-mono);

  /* ---------- TYPE — SCALE ---------- */
  /* VT323 renders tall+thin. Press Start 2P renders square; it runs ~1.5x wider,
   * so display sizes are noticeably smaller in px than body.
   */
  --fs-display:    48px;   /* hero, Press Start 2P */
  --fs-h1:         32px;   /* Press Start 2P */
  --fs-h2:         24px;   /* Press Start 2P */
  --fs-h3:         18px;   /* Press Start 2P */
  --fs-lead:       28px;   /* VT323 lead paragraph */
  --fs-body:       22px;   /* VT323 body — VT323 needs ~22px to read like 16px */
  --fs-small:      18px;   /* VT323 caption */
  --fs-micro:      14px;   /* VT323 micro / timestamps */

  --lh-tight:      1.1;
  --lh-normal:     1.3;
  --lh-loose:      1.5;

  --ls-pixel:      0.04em; /* Press Start 2P needs breathing room */
  --ls-caps:       0.12em; /* for uppercase mono labels */

  /* ---------- SPACING (8px grid, pixel-snapped) ---------- */
  --sp-0:  0;
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  24px;
  --sp-6:  32px;
  --sp-7:  48px;
  --sp-8:  64px;
  --sp-9:  96px;

  /* ---------- RADIUS ----------
   * Pixel terminal = sharp corners. Radius is 0 everywhere except "soft" (rare).
   */
  --radius-0:      0;
  --radius-soft:   2px;   /* optional, for tiny chips only */

  /* ---------- BORDERS ---------- */
  --bw-1:          1px;
  --bw-2:          2px;
  --bw-4:          4px;   /* frame/window chrome */

  /* ---------- SHADOWS ----------
   * No soft drop shadows. "Shadow" = CRT glow + hard pixel offset.
   */
  --glow-sm:       0 0 4px var(--ed-red-60);
  --glow-md:       0 0 8px var(--ed-red), 0 0 2px var(--ed-red-hot);
  --glow-lg:       0 0 16px var(--ed-red), 0 0 4px var(--ed-red-hot);
  --glow-text:     0 0 6px var(--ed-red-60);

  --offset-sm:     2px 2px 0 var(--ed-red);   /* hard pixel "shadow" */
  --offset-md:     4px 4px 0 var(--ed-red);
  --inset-scan:    inset 0 0 0 9999px transparent; /* slot for scanline overlays */

  /* ---------- MOTION ----------
   * Terminals don't ease-in-out. Prefer: instant, step(), or flicker.
   */
  --dur-instant:   0ms;
  --dur-step:      80ms;   /* stepped state change */
  --dur-blink:     1060ms; /* cursor blink */
  --dur-flicker:   120ms;  /* crt flicker */
  --ease-step:     steps(1, end);
  --ease-stepped:  steps(4, end);
  --ease-linear:   linear;

  /* ---------- Z ---------- */
  --z-base:    0;
  --z-sticky:  10;
  --z-overlay: 100;
  --z-modal:   1000;
  --z-scanlines: 9999;
}

/* ---------- SEMANTIC ELEMENT STYLES ---------- */

html, body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: none;
  -moz-osx-font-smoothing: auto;
  font-smooth: never;
  text-rendering: geometricPrecision;
}

/* kill AA for pixel font */
.pixel, .pixel * {
  -webkit-font-smoothing: none !important;
  font-smooth: never !important;
  image-rendering: pixelated;
}

h1, .h1 {
  font-family: var(--font-display);
  font-size: var(--fs-h1);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-pixel);
  color: var(--fg-strong);
  text-transform: uppercase;
  margin: 0 0 var(--sp-5);
}

h2, .h2 {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-pixel);
  color: var(--fg);
  text-transform: uppercase;
  margin: 0 0 var(--sp-4);
}

h3, .h3 {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-pixel);
  color: var(--fg);
  text-transform: uppercase;
  margin: 0 0 var(--sp-3);
}

.display {
  font-family: var(--font-display);
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-pixel);
  color: var(--fg-strong);
  text-transform: uppercase;
  text-shadow: var(--glow-text);
}

p, .p {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--fg);
  margin: 0 0 var(--sp-4);
}

.lead {
  font-size: var(--fs-lead);
  line-height: var(--lh-normal);
  color: var(--fg-strong);
}

small, .small {
  font-size: var(--fs-small);
  color: var(--fg-muted);
}

.micro, .caption {
  font-size: var(--fs-micro);
  color: var(--fg-muted);
  letter-spacing: var(--ls-caps);
  text-transform: uppercase;
}

code, kbd, pre, .code {
  font-family: var(--font-mono);
  font-size: var(--fs-body);
  color: var(--fg);
  background: transparent;
}

kbd {
  display: inline-block;
  padding: 0 var(--sp-2);
  border: var(--bw-1) solid var(--border);
  background: var(--bg);
  line-height: 1.4;
}

a, .link {
  color: var(--fg);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
a:hover, .link:hover {
  color: var(--fg-strong);
  background: var(--bg-hover);
}

::selection {
  background: var(--ed-red);
  color: var(--ed-black);
}

*:focus-visible {
  outline: var(--bw-2) solid var(--focus-ring);
  outline-offset: 2px;
}

/* blinking cursor */
.cursor::after {
  content: '█';
  display: inline-block;
  color: var(--fg);
  animation: ed-blink var(--dur-blink) var(--ease-step) infinite;
  margin-left: 2px;
  vertical-align: baseline;
}
@keyframes ed-blink {
  0%, 49%  { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* scanline overlay — apply to a full-bleed ::after */
.scanlines {
  position: relative;
}
.scanlines::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 2px,
      var(--scanline) 2px,
      var(--scanline) 3px
    );
  z-index: var(--z-scanlines);
}