:root {
  color-scheme: dark;
  --bg: #040404;
  --surface: #0b0b0b;
  --text-main: #f4f4f4;
  --text-subtle: #9b9b9b;
  --accent: #f5f5f5;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: radial-gradient(circle at 20% 10%, #1b1b1b 0%, var(--bg) 55%);
  color: var(--text-main);
  font-family: "Avenir Next", "Segoe UI", sans-serif;
}

.app {
  position: relative;
  width: 100%;
  height: 100%;
  background: transparent;
}

.splash {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
  padding: 2rem;
  pointer-events: none;
}

.title {
  margin: 0;
  letter-spacing: 0.04em;
  font-size: clamp(1.8rem, 3vw, 3rem);
}

.subtitle {
  margin: 0;
  color: var(--text-subtle);
  font-size: clamp(1rem, 1.6vw, 1.4rem);
}

.stage {
  position: absolute;
  inset: 0;
  background: var(--surface);
}

.hidden {
  display: none;
}

.html-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #000;
}

.status {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.45);
  color: var(--text-subtle);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
}