:root {
  --ink: #12261f;
  --muted: #3d5a4c;
  --paper: #eef4ef;
  --panel: #f7faf7;
  --line: #b7c9bc;
  --signal: #c45c26;
  --node: #1f6f5b;
  --danger: #8b2e1f;
  color-scheme: light;
}

* { box-sizing: border-box; }

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

body {
  color: var(--ink);
  font-family: "Lucida Sans", "Lucida Grande", "Segoe UI", sans-serif;
  line-height: 1.45;
  background:
    linear-gradient(180deg, rgba(238, 244, 239, 0.94), rgba(238, 244, 239, 0.98)),
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent 47px,
      rgba(18, 38, 31, 0.035) 47px,
      rgba(18, 38, 31, 0.035) 48px
    ),
    radial-gradient(900px 520px at 8% -10%, #d7ebe1 0%, transparent 60%),
    radial-gradient(700px 420px at 100% 0%, #f3dfc8 0%, transparent 55%),
    var(--paper);
}

.app {
  min-height: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
}

.app.chrome-min {
  grid-template-rows: minmax(0, 1fr);
}

.top {
  padding: 1rem 1.25rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 82%, transparent);
  backdrop-filter: blur(8px);
  transition: transform 0.28s ease, opacity 0.2s ease;
}

.app.chrome-min .top {
  display: none;
}

.brand-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.85rem;
}

.brand {
  margin: 0;
  font-family: Rockwell, "Courier New", Courier, monospace;
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: flex-end;
  gap: 0.65rem 1rem;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.github {
  font-family: ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--node);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--node) 35%, transparent);
}

.github:hover {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.chrome-toggle {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.28rem 0.65rem;
  cursor: pointer;
}

.chrome-toggle:hover {
  color: var(--ink);
  border-color: var(--node);
}

.chrome-peek {
  position: fixed;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: min(22rem, calc(100vw - 1.5rem));
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 92%, white);
  color: var(--ink);
  font: inherit;
  padding: 0.45rem 0.7rem;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(18, 38, 31, 0.12);
  backdrop-filter: blur(8px);
}

.chrome-peek[hidden] {
  display: none !important;
}

.chrome-peek:hover {
  border-color: var(--node);
}

.chrome-peek-label {
  font-family: Rockwell, "Courier New", Courier, monospace;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.chrome-peek-host {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.75rem;
  color: var(--muted);
}

.lookup {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.55rem;
  max-width: 52rem;
}

.lookup input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 1rem;
  padding: 0.7rem 0.85rem;
  outline: none;
}

.lookup input:focus {
  border-color: var(--node);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--node) 22%, transparent);
}

.lookup button {
  border: 0;
  background: var(--node);
  color: #f4faf7;
  font: inherit;
  font-weight: 700;
  padding: 0.7rem 1.1rem;
  cursor: pointer;
}

.lookup button:hover { filter: brightness(1.06); }
.lookup button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.status {
  margin: 0.65rem 0 0;
  min-height: 1.25rem;
  font-family: ui-monospace, "Cascadia Code", Menlo, monospace;
  font-size: 0.78rem;
  color: var(--muted);
}

.status[data-tone="error"] { color: var(--danger); }
.status[data-tone="ok"] { color: var(--node); }

.stage {
  position: relative;
  min-height: 0;
  background: #0f1f1a;
}

.stage iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

.empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 2rem;
  color: #9db5a8;
  text-align: center;
}

.empty strong {
  display: block;
  margin-bottom: 0.35rem;
  font-family: Rockwell, "Courier New", Courier, monospace;
  font-size: 1.25rem;
  color: #d7ebe1;
}

.empty[hidden],
.stage.is-loaded .empty {
  display: none;
}

@media (max-width: 640px) {
  .lookup {
    grid-template-columns: 1fr;
  }

  .brand-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-meta {
    justify-content: flex-start;
  }
}