:root {
  --bg: #0d1117;
  --fg: #e6edf3;
  --muted: #8b949e;
  --bar-bg: #161b22;
  --bar-border: #30363d;
  --accent: #3b82f6;
  --chip-bg: transparent;
  --chip-border: #30363d;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  -webkit-font-smoothing: antialiased;
}

.dashboard {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  padding: 24px;
}

.brand {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--fg);
  user-select: none;
}

.brand-dot {
  color: var(--accent);
}

.search {
  width: 100%;
  max-width: 720px;
  position: relative;
}

.clear {
  position: absolute;
  top: 50%;
  right: 12px;
  transform: translateY(-50%);
  padding: 6px 10px;
  margin: 0;
  font-size: 1rem;
  line-height: 1;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}

.clear:hover {
  color: var(--fg);
  background: color-mix(in srgb, var(--fg) 8%, transparent);
}

.clear[hidden] {
  display: none;
}

.search input {
  width: 100%;
  padding: 18px 22px;
  font-size: 1.35rem;
  color: var(--fg);
  background: var(--bar-bg);
  border: 1px solid var(--bar-border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search input::placeholder {
  color: var(--muted);
  opacity: 0.7;
}

.search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent);
}

.engines {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 720px;
}

.engine {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 0.95rem;
  color: var(--fg);
  background: var(--chip-bg);
  border: 1px solid var(--chip-border);
  border-radius: 999px;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.engine:hover {
  border-color: var(--muted);
}

.engine .key {
  font-size: 0.75rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.engine.active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

.engine.active .key {
  color: var(--accent);
}

.hint {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  user-select: none;
}

kbd {
  display: inline-block;
  padding: 1px 6px;
  font-family: inherit;
  font-size: 0.8em;
  color: var(--fg);
  background: var(--bar-bg);
  border: 1px solid var(--bar-border);
  border-bottom-width: 2px;
  border-radius: 5px;
}

.about {
  position: fixed;
  bottom: 14px;
  right: 18px;
  margin: 0;
  padding: 4px 8px;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  user-select: none;
  transition: color 0.15s ease;
}

.about:hover {
  color: var(--fg);
}

.about-dialog {
  width: min(540px, 92vw);
  margin: auto;
  padding: 0;
  color: var(--fg);
  background: var(--bar-bg);
  border: 1px solid var(--bar-border);
  border-radius: var(--radius);
}

.about-dialog::backdrop {
  background: rgb(0 0 0 / 0.55);
}

.about-inner {
  padding: 26px 30px 30px;
  max-height: min(74dvh, 640px);
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.6;
}

.about-inner h2 {
  margin: 0 0 6px;
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.about-inner h3 {
  margin: 22px 0 8px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
}

.about-inner .lede {
  margin: 0 0 14px;
  font-size: 1.08rem;
}

.about-inner p {
  margin: 0;
}

.about-inner ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 10px;
}

@media (max-width: 480px) {
  .search input {
    padding: 14px 16px;
    font-size: 1.1rem;
  }

  .engine {
    padding: 7px 11px;
    font-size: 0.85rem;
  }
}