/*
  Terminal landing — design tokens (living spec)
  Palette: phosphor green on near-black with cool green bias; CRT line texture.
*/
:root {
  --color-bg: hsl(165 12% 5%);
  --color-bg-elevated: hsl(165 10% 8%);
  --color-phosphor: hsl(145 65% 62%);
  --color-phosphor-dim: hsl(150 35% 42%);
  /* Line tint (alpha also scaled by --crt-lines-opacity on the layer) */
  --color-line: hsla(150 60% 50% / 0.14);
  --color-vignette: hsl(165 20% 2%);

  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Code", monospace;

  --text-step: clamp(1rem, 2.5vw + 0.75rem, 1.35rem);
  --line-height-body: 1.65;
  --letter-spacing-body: 0.02em;

  --duration-cursor-blink: 1.06s;
  --ease-out-soft: cubic-bezier(0.22, 1, 0.36, 1);

  --space-screen: clamp(1.25rem, 4vw, 2.5rem);
  --max-text-width: 42rem;
  /* Bottom status bar — smaller than body, IDE / terminal strip */
  --font-size-status: clamp(0.7rem, 0.35vw + 0.62rem, 0.8rem);

  /* CRT + scene tokens — memorialized defaults (match scene-tuning drawer reset) */
  --crt-gap: 3px;
  --crt-line-w: 1px;
  /* End of colored stripe — set in JS to gap+lineW (avoids calc() bugs in gradients) */
  --crt-line-end: 4px;
  --crt-blur: 0.55px;
  --crt-glow: 0.3575px;
  --crt-lines-opacity: 0.3;

  /* Center radial (“pool of light”) */
  --center-radial-opacity: 0.15;
  --center-radial-fade-end: 35%;
  --center-radial-ell-w: 70%;
  --center-radial-ell-h: 100%;
  --center-radial-at-y: 45%;

  /* Viewport border + single outer glow */
  --edge-border-width: 1px;
  --edge-border-opacity: 0.3;
  --edge-diffusion: 24px;
  --edge-shadow-opacity: 0.28;
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-cursor-blink: 0.01s;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  height: 100%;
  overflow-x: visible;
  overflow-y: visible;
}

body {
  margin: 0;
  min-height: 100%;
  overflow-x: visible;
  overflow-y: visible;
  font-family: var(--font-mono);
  font-size: var(--text-step);
  line-height: var(--line-height-body);
  letter-spacing: var(--letter-spacing-body);
  color: var(--color-phosphor);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

/* Central radial gradient — sits on body background, under vignette */
.bg-center-radial {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(
    ellipse var(--center-radial-ell-w) var(--center-radial-ell-h) at 50% var(--center-radial-at-y),
    hsla(155 25% 12% / var(--center-radial-opacity)) 0%,
    transparent var(--center-radial-fade-end)
  );
}

/* Vertical scan lines — spacing / width / diffusion (blur + glow) / opacity via vars */
.crt-lines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  /* Use --crt-line-end instead of calc(gap+w) — Safari/WebKit often drops invalid gradients */
  background: repeating-linear-gradient(
    90deg,
    transparent 0,
    transparent var(--crt-gap),
    var(--color-line) var(--crt-gap),
    var(--color-line) var(--crt-line-end)
  );
  filter: blur(var(--crt-blur))
    drop-shadow(0 0 var(--crt-glow) hsla(150 55% 48% / 0.32));
  opacity: var(--crt-lines-opacity);
}

@media (prefers-reduced-motion: reduce) {
  .crt-lines {
    filter: none;
    /* Do not override opacity — let --crt-lines-opacity and the debug slider work */
  }
}

/* Vignette — over center radial, under scan lines */
.crt-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(
    ellipse 100% 100% at 50% 50%,
    transparent 40%,
    var(--color-vignette) 100%
  );
  opacity: 0.55;
}

/* Border + one soft outer shadow — above main so sliders read clearly */
.edge-border {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
  box-sizing: border-box;
  background: transparent;
  border: var(--edge-border-width) solid hsla(155 30% 42% / var(--edge-border-opacity));
  box-shadow: 0 0 var(--edge-diffusion) hsla(155 38% 52% / var(--edge-shadow-opacity));
}

main {
  position: relative;
  z-index: 3;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--space-screen);
  /* Reserve space for fixed bottom status bar on short viewports */
  padding-bottom: max(var(--space-screen), 3.25rem);
}

.terminal-wrap {
  max-width: var(--max-text-width);
  width: 100%;
  margin: 0 auto;
}

.terminal-line {
  margin: 0;
  font-weight: 400;
}

#typed {
  white-space: pre-wrap;
  word-break: break-word;
}

/* Auth0 word — reads as body text; link affordance + phosphor block on hover */
a.typed-auth0-link {
  color: inherit;
  text-decoration: none;
  font-weight: inherit;
  letter-spacing: inherit;
  cursor: text;
  border-radius: 2px;
  /* Reserve highlight box so hover doesn’t shift layout */
  padding: 0.06em 0.14em;
  margin: -0.06em -0.14em;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  transition:
    background-color 0.12s var(--ease-out-soft),
    color 0.12s var(--ease-out-soft);
}

a.typed-auth0-link:hover {
  cursor: pointer;
  background-color: var(--color-phosphor);
  color: var(--color-bg);
}

a.typed-auth0-link:focus-visible {
  outline: 2px solid var(--color-phosphor);
  outline-offset: 2px;
}

/* Bottom status strip — contact links (IDE / terminal status bar) */
.site-status {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  padding: 0.45rem var(--space-screen);
  font-family: var(--font-mono);
  font-size: var(--font-size-status);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--color-phosphor-dim);
}

.site-status__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem 1rem;
  width: 100%;
}

.site-status__nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.65rem;
}

.site-status__sep {
  color: hsla(150 30% 38% / 0.65);
  user-select: none;
}

.site-status__link,
.site-status__mute {
  color: inherit;
  text-decoration: none;
  transition: color 0.12s var(--ease-out-soft);
}

.site-status__link:hover,
.site-status__mute:hover {
  color: var(--color-phosphor);
}

.site-status__link:focus-visible,
.site-status__mute:focus-visible {
  outline: 2px solid var(--color-phosphor);
  outline-offset: 3px;
  border-radius: 1px;
}

.site-status__mute {
  margin: 0;
  padding: 0;
  font: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  line-height: inherit;
  cursor: pointer;
  background: none;
  border: none;
  color: inherit;
}

.site-status__mute[aria-pressed="true"] {
  opacity: 0.7;
}

.cursor {
  display: inline-block;
  width: 0.55ch;
  height: 1.15em;
  margin-left: 1px;
  vertical-align: text-bottom;
  background: var(--color-phosphor);
  animation: cursor-blink var(--duration-cursor-blink) step-end infinite;
}

.cursor.is-off {
  animation: none;
  opacity: 0;
}

@keyframes cursor-blink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cursor {
    animation: none;
    opacity: 1;
  }
}

/* Screen reader only */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Scene tuning drawer --- */
.crt-debug-backdrop {
  position: fixed;
  inset: 0;
  z-index: 59;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  background: hsla(165 20% 4% / 0.55);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.22s ease,
    visibility 0.22s ease;
  pointer-events: none;
}

.crt-debug-backdrop.crt-debug-backdrop--visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.crt-debug-drawer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 60;
  max-height: min(52vh, 30rem);
  transform: translateY(100%);
  transition: transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
  visibility: hidden;
}

.crt-debug-drawer.crt-debug-drawer--open {
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
}

@media (prefers-reduced-motion: reduce) {
  .crt-debug-backdrop,
  .crt-debug-drawer {
    transition: none;
  }
}

.crt-debug-panel {
  max-height: min(52vh, 30rem);
  overflow: auto;
  padding: 0.65rem 0.85rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.35;
  color: hsl(145 45% 78%);
  background: hsla(165 14% 7% / 0.97);
  border-top: 1px solid hsla(150 30% 35% / 0.45);
  border-radius: 0;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  box-shadow: 0 -8px 32px hsla(0 0% 0% / 0.35);
}

.crt-debug-panel header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  flex-wrap: wrap;
}

.crt-debug-panel h2 {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: hsl(145 40% 62%);
}

.crt-debug-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.crt-debug-actions button {
  font-family: inherit;
  font-size: 0.68rem;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  color: hsl(145 50% 82%);
  background: hsla(150 25% 22% / 0.6);
  border: 1px solid hsla(150 30% 40% / 0.5);
  border-radius: 2px;
}

.crt-debug-actions button:hover {
  background: hsla(150 30% 28% / 0.75);
}

.crt-debug-actions button:focus-visible {
  outline: 2px solid var(--color-phosphor);
  outline-offset: 2px;
}

.crt-debug-subhead {
  margin: 0.35rem 0 0.25rem;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: hsl(150 25% 48%);
}

.crt-debug-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 0.45rem 1rem;
  margin-bottom: 0.5rem;
}

.crt-debug-field label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.35rem;
  margin-bottom: 0.2rem;
  color: hsl(150 28% 58%);
}

.crt-debug-field .crt-debug-value {
  font-variant-numeric: tabular-nums;
  color: hsl(145 55% 72%);
}

.crt-debug-field input[type="range"] {
  width: 100%;
  accent-color: hsl(145 50% 48%);
}

.crt-debug-output {
  margin: 0;
  padding: 0.45rem 0.5rem;
  font-size: 0.65rem;
  line-height: 1.45;
  color: hsl(145 40% 72%);
  background: hsl(165 12% 4%);
  border: 1px solid hsla(150 25% 28% / 0.5);
  border-radius: 2px;
  white-space: pre-wrap;
  word-break: break-word;
  user-select: text;
  max-height: 9rem;
  overflow: auto;
}

.crt-debug-hint {
  margin: 0.35rem 0 0;
  font-size: 0.62rem;
  color: hsl(150 22% 48%);
}