/* Refined Ember · Aleksei Lopatin brand system v1.0
   Variables injected via ../../brand.css */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  font-family: var(--font-mono, monospace);
  font-size: 1.125rem;
  color: var(--color-text);
  background-color: var(--color-base);
  padding: 0 4px;
}

h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  text-align: center;
  margin: 1.2rem 0;
  color: var(--color-text);
}

h2 {
  font-size: 1.4rem;
  text-align: center;
  margin: 1.2rem 0;
  color: var(--color-text-muted);
}

#input-container {
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
  align-items: center;
  width: clamp(300px, 50vw, 460px);
  margin: 0.6rem auto;
}

#input-container label {
  white-space: nowrap;
  color: var(--color-text-muted);
}

#convert-btn {
  font-size: inherit;
  font-family: inherit;
  background-color: var(--color-accent);
  color: var(--color-on-accent);
  width: 100%;
  height: 2.2rem;
  padding: 0 6px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition);
}

#convert-btn:hover { background-color: var(--color-accent-hover); }

#number {
  font-size: inherit;
  font-family: inherit;
  padding: 0.3rem 0.5rem;
  width: 100%;
  background-color: var(--color-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  outline: none;
}

#number:focus { border-color: var(--color-accent); }

#output-container {
  margin-inline: auto;
  width: clamp(300px, 50vw, 460px);
}

.output {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  text-align: center;
  min-height: 70px;
  margin-block-start: 1.2rem;
  padding: 1rem;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-accent);
}

.alert {
  font-size: 1.4rem;
  background-color: rgba(184, 80, 66, 0.15);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  border-radius: var(--radius-sm);
}

.hidden { display: none; }

@media screen and (min-width: 36em) {
  body { font-size: 1rem; }
  #input-container { flex-direction: row; width: unset; }
  #number { width: unset; }
}