:root {
  --bg: #14121a;
  --surface: #1f1c28;
  --surface-hover: #2a2636;
  --border: #322d40;
  --text: #f4f1ec;
  --muted: #9a93ad;
  --accent: #ff5fa2;
  --codex-panel: #171323;
  --codex-border: #51406a;
  --codex-glow: #66ffd6;
  --tile: 96px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "VT323", "Courier New", monospace;
  line-height: 1.45;
}

.page-header {
  padding: 2rem clamp(1rem, 4vw, 3rem) 1.25rem;
  border-bottom: 1px solid var(--border);
}

.back-link-wrap {
  margin: 0 0 1rem;
}

.back-link {
  color: var(--muted);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.back-link:hover,
.back-link:focus-visible {
  color: var(--accent);
}

.page-header h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-family: "Press Start 2P", monospace;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.tagline {
  margin: 0 0 1.25rem;
  color: var(--muted);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.actions input[type="search"] {
  flex: 1 1 220px;
  min-width: 0;
  padding: 0.6rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font: inherit;
}

.actions input[type="search"]:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.status {
  min-height: 1.25em;
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 1rem;
}

main {
  padding: 1.5rem clamp(1rem, 4vw, 3rem) 3rem;
}

.codex-panel {
  margin-top: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--codex-border);
  border-radius: 14px;
  background:
    radial-gradient(circle at 90% 8%, rgb(102 255 214 / 10%), transparent 36%),
    radial-gradient(circle at 12% 88%, rgb(133 108 255 / 18%), transparent 40%),
    var(--codex-panel);
}

.codex-panel__head {
  margin-bottom: 0.85rem;
}

.codex-panel__head h2 {
  margin: 0;
  font-family: "Press Start 2P", monospace;
  font-size: clamp(0.75rem, 2vw, 1rem);
  letter-spacing: 0.02em;
}

.codex-panel__head p {
  margin: 0.45rem 0 0;
  color: #d3cbeb;
}

.codex-grid .emoji-card {
  border-color: var(--codex-border);
}

.codex-grid .emoji-card:hover,
.codex-grid .emoji-card:focus-visible {
  border-color: var(--codex-glow);
}

.darkmode-egg {
  position: fixed;
  right: 0.4rem;
  top: 46%;
  transform: translateY(-50%);
  z-index: 30;
  border: 1px solid var(--border);
  border-right: 0;
  border-radius: 14px 0 0 14px;
  padding: 0.7rem 0.45rem;
  width: 62px;
  background: linear-gradient(180deg, #2d2938, #1f1c28 70%);
  color: var(--text);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  transition: transform 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.darkmode-egg:hover,
.darkmode-egg:focus-visible {
  border-color: var(--accent);
  transform: translateY(-50%) translateX(-3px);
  box-shadow: -4px 4px 16px rgb(0 0 0 / 30%);
  outline: none;
}

.darkmode-egg__icon {
  font-size: 1.25rem;
  line-height: 1;
}

.darkmode-egg__label {
  writing-mode: vertical-rl;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.68rem;
  color: #d9d1e8;
}

body.codex-mode {
  --bg: #0e0d15;
  --surface: #1a1625;
  --surface-hover: #251f34;
  --border: #403453;
  --accent: #66ffd6;
}

body.codex-mode .darkmode-egg {
  border-color: var(--codex-glow);
  box-shadow: -4px 0 22px rgb(102 255 214 / 25%);
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--tile), 1fr));
  gap: 0.75rem;
}

.emoji-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  aspect-ratio: 1 / 1;
  padding: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: transform 0.12s ease, background 0.12s ease, border-color 0.12s ease;
  text-align: center;
}

.emoji-card:hover,
.emoji-card:focus-visible {
  background: var(--surface-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
  outline: none;
}

.emoji-card img,
.emoji-card svg {
  width: 60%;
  max-width: 72px;
  height: auto;
  image-rendering: pixelated;
  pointer-events: none;
}

.emoji-card .shortcode {
  font-size: 0.95rem;
  color: var(--muted);
  word-break: break-all;
  line-height: 1.2;
}

.empty-state {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
}

.emoji-card.missing img {
  opacity: 0.25;
}

.emoji-card.missing .shortcode {
  color: #c97070;
}

.page-footer {
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 1.15rem;
}

@media (max-width: 480px) {
  :root {
    --tile: 76px;
  }

  .darkmode-egg {
    right: 0;
    top: auto;
    bottom: 0.75rem;
    transform: none;
    width: auto;
    min-width: 136px;
    border-right: 1px solid var(--border);
    border-radius: 999px;
    flex-direction: row;
    justify-content: center;
    padding: 0.5rem 0.8rem;
  }

  .darkmode-egg:hover,
  .darkmode-egg:focus-visible {
    transform: translateY(-2px);
  }

  .darkmode-egg__label {
    writing-mode: horizontal-tb;
    letter-spacing: 0.04em;
    font-size: 0.62rem;
  }

  .emoji-card .shortcode {
    font-size: 0.65rem;
  }
}