:root {
  --bg: #080806;
  --amber: #c89820;
  --amber-bright: #e8b830;
  --amber-hot: #f0d050;
  --amber-dim: #a3873f;
  --amber-faint: #3a2d14;
  --text: #b9a263;
  --text-dim: #9a814b;
  --font-display: "SFMono-Regular", "Cascadia Mono", "Liberation Mono", monospace;
  --font-body: "SFMono-Regular", "Cascadia Mono", "Liberation Mono", monospace;
}

:root[data-phosphor="green"] {
  --bg: #060a06;
  --amber: #55bd55;
  --amber-bright: #72df72;
  --amber-hot: #a0f5a0;
  --amber-dim: #609560;
  --amber-faint: #173a17;
  --text: #82b982;
  --text-dim: #6b9b6b;
}

:root[data-phosphor="white"] {
  --bg: #090909;
  --amber: #bdbdbd;
  --amber-bright: #e3e3e3;
  --amber-hot: #fff;
  --amber-dim: #989898;
  --amber-faint: #353535;
  --text: #b5b5b5;
  --text-dim: #949494;
}

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

html {
  color-scheme: dark;
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.overlay {
  position: fixed;
  z-index: 10;
  inset: 0;
  pointer-events: none;
}

.grain {
  z-index: 12;
  opacity: 0.035;
  background: url("/noise.svg") repeat;
  background-size: 512px 512px;
}

.scanlines {
  z-index: 13;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgb(0 0 0 / 3.5%) 2px,
    rgb(0 0 0 / 3.5%) 4px
  );
}

.vignette {
  z-index: 11;
  background: radial-gradient(ellipse at center, transparent 40%, rgb(0 0 0 / 50%) 100%);
}

main {
  position: relative;
  z-index: 1;
  animation: warm-up 1.6s ease-out;
}

.content {
  width: min(100%, 640px);
  padding: 4rem 1.5rem 6rem;
}

.content > * {
  opacity: 0;
  transform: translateY(6px);
  animation: fade-in 0.65s ease-out forwards;
}

.content > :nth-child(1) { animation-delay: 0.05s; }
.content > :nth-child(2) { animation: glitch-in 0.85s ease-out 0.2s forwards; }
.content > :nth-child(3) { animation-delay: 0.5s; }
.content > :nth-child(4) { animation: draw-line 0.45s ease-out 0.7s forwards; }
.content > :nth-child(5) { animation-delay: 0.85s; }
.content > :nth-child(6) { animation-delay: 1s; }
.content > :nth-child(7) { animation: draw-line 0.45s ease-out 1.15s forwards; }
.content > :nth-child(8) { animation-delay: 1.3s; }

.login-line,
.error-code {
  min-height: 1.2em;
  margin-bottom: 2rem;
  color: var(--text-dim);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
}

.title {
  position: relative;
  margin-bottom: 0.5rem;
  color: var(--amber-bright);
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 9vw, 5.5rem);
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 1;
  opacity: 1;
  text-shadow:
    0 0 10px rgb(232 184 48 / 50%),
    0 0 40px rgb(232 184 48 / 15%),
    0 0 80px rgb(232 184 48 / 5%);
}

.title:hover {
  animation: title-glitch 0.4s ease-out;
}

.cursor {
  color: var(--amber-hot);
  opacity: 0;
  animation: blink 1s step-end 1s infinite;
}

.tagline {
  color: var(--amber-dim);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
}

.divider {
  width: min(100%, 360px);
  height: 1px;
  margin: 2.5rem 0;
  background: repeating-linear-gradient(
    90deg,
    var(--amber-faint) 0,
    var(--amber-faint) 10px,
    transparent 10px,
    transparent 18px
  );
}

.section {
  margin-bottom: 2rem;
}

.section h2 {
  margin-bottom: 0.6rem;
  color: var(--text-dim);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section ul {
  list-style: none;
}

.section li {
  margin-bottom: 0.25rem;
}

a {
  color: var(--amber);
  text-decoration: none;
  text-underline-offset: 0.25em;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

a:hover {
  color: var(--amber-bright);
  text-shadow: 0 0 12px rgb(232 184 48 / 40%);
}

a:focus-visible {
  border-radius: 1px;
  outline: 1px solid var(--amber-dim);
  outline-offset: 4px;
}

.fingerprint {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.055em;
  overflow-wrap: anywhere;
}

.identity-links {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.2rem 1.25rem;
  font-size: 0.82rem;
}

.identity-links button {
  border: 0;
  background: transparent;
  color: var(--amber);
  cursor: pointer;
  font: inherit;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.identity-links button:hover {
  color: var(--amber-bright);
  text-shadow: 0 0 12px rgb(232 184 48 / 40%);
}

.identity-links button:focus-visible {
  border-radius: 1px;
  outline: 1px solid var(--amber-dim);
  outline-offset: 4px;
}

.copy-status {
  min-width: 6ch;
  color: var(--text-dim);
  font-size: 0.72rem;
}

.hints p {
  margin-bottom: 0.2rem;
  color: var(--text-dim);
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}

.prompt {
  margin-right: 0.5em;
  color: var(--amber-dim);
  user-select: none;
}

.stack-addr {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  color: var(--amber-faint);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  opacity: 0;
  transform: none;
  animation: fade-in 1s ease-out 2s forwards;
}

.phosphor-status {
  position: fixed;
  z-index: 20;
  left: 1.5rem;
  bottom: 1.5rem;
  color: var(--text-dim);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  pointer-events: none;
}

.error-content {
  max-width: 760px;
}

.error-title {
  max-width: 12ch;
  color: var(--amber-bright);
  font-size: clamp(2rem, 7vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 1.1;
  text-shadow: 0 0 24px rgb(232 184 48 / 20%);
}

.error-message {
  margin-top: 0.75rem;
  color: var(--text-dim);
}

.home-link {
  display: inline-block;
}

@media (min-width: 768px) {
  .content {
    margin-left: 15vw;
    padding: 6rem 2rem 8rem;
  }

  .stack-addr {
    top: 2rem;
    right: 2rem;
    bottom: auto;
    writing-mode: vertical-rl;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-delay: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .content > * {
    opacity: 1;
    transform: none;
  }

  .cursor,
  .stack-addr {
    opacity: 1;
  }

  main {
    filter: none;
  }
}

@keyframes warm-up {
  from { filter: brightness(0.65); }
  to { filter: brightness(1); }
}

@keyframes fade-in {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes glitch-in {
  0% { opacity: 0; transform: translateY(6px); }
  8% { opacity: 0.9; transform: translateX(-5px) skewX(-3deg); }
  16% { opacity: 0.6; transform: translateX(4px) skewX(2deg); }
  24% { opacity: 0.85; transform: translateX(-2px); }
  32% { opacity: 0.95; transform: translateX(1px) skewX(-0.5deg); }
  45%, 100% { opacity: 1; transform: none; }
}

@keyframes draw-line {
  from { opacity: 0; transform: scaleX(0); transform-origin: left; }
  to { opacity: 0.5; transform: scaleX(1); transform-origin: left; }
}

@keyframes title-glitch {
  0%, 50%, 100% { transform: none; }
  10% { transform: translateX(-2px) skewX(-1deg); }
  20% { transform: translateX(3px) skewX(1.5deg); }
  30% { transform: translateX(-1px); }
  40% { transform: translateX(1px) skewX(-0.5deg); }
}

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