/* Hero Section */
header {
  text-align: center;
}

#introduction {
  position: fixed;
  top: 7rem;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}

#space {
  position: fixed;
  margin-top: -5rem;
  top: 5rem;
  left: 0;
  pointer-events: none;
  z-index: -1;
  width: 100vw;
  height: 100vh;
}

/* #home-screen {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 30vh;
  position: relative;
} */

#overlay {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;

  background: rgba(0, 0, 0, 0.5);
  color: white;
  pointer-events: none;
  z-index: 2;
}

#pause-text {
  color: var(--paper);
}

#toolbar {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 3;
}

#toolbar .btn {
  width: 7rem;
}

#config-panel {
  position: fixed;
  bottom: 5rem;
  left: 2rem;
  display: flex;
  gap: 2rem;
  background: rgba(245, 242, 236, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--rule);
  padding: 1.25rem 1.5rem;
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  max-width: 90vw;
  z-index: 3;
}

.config-column {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.config-column h3 {
  margin: 0 0 0.6rem 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: left;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--rule);
}

.config-column label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  color: var(--muted);
}

.config-column input {
  width: 60px;
  background: transparent;
  color: var(--ink);
  border: none;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  padding: 2px 0;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  text-align: right;
  outline: none;
}

.config-column input:focus {
  border-bottom-color: var(--accent);
  color: var(--accent);
}