:root {
  --bg: #1a1a1a;
  --panel: #222222;
  --border: #2a2a2a;
  --text: #e8e6e3;
  --text-dim: #9a948d;
  --accent: #8f7250;
  --accent-bright: #a88973;
  font-size: 19px;
  color-scheme: dark;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

main {
  width: 100%;
  max-width: 360px;
  padding: 0 1.5rem;
  text-align: center;
}

h1 {
  color: var(--accent-bright);
  font-size: 1.5rem;
  margin-bottom: 2rem;
}

.sub {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: -1.5rem 0 1.5rem;
  text-align: left;
}

label {
  display: block;
  text-align: left;
  color: var(--text-dim);
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.passphrase-wrap {
  position: relative;
  margin-bottom: 0.5rem;
}

input[type=password], input[type=text] {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  padding: 0.6rem 2.5rem 0.6rem 0.75rem;
  border-radius: 6px;
}

input:focus { outline: none; border-color: var(--accent); }

.toggle-eye {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.2rem;
  display: flex;
  align-items: center;
}

.toggle-eye:hover { color: var(--accent-bright); }

.phrase-strength {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  margin-bottom: 0.5rem;
  overflow: hidden;
}

.strength-bar {
  height: 100%;
  width: 0%;
  border-radius: 2px;
  transition: width 0.25s, background 0.25s;
}

.strength-flavor {
  font-size: 0.8rem;
  color: var(--text-dim);
  min-height: 1rem;
  margin-bottom: 0.75rem;
  text-align: left;
}

button[type=submit], button.action {
  width: 100%;
  background: var(--accent);
  border: none;
  color: var(--bg);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.7rem;
  border-radius: 6px;
  cursor: pointer;
}

button[type=submit]:hover, button.action:hover { background: var(--accent-bright); }
button[type=submit]:disabled, button.action:disabled { opacity: 0.5; cursor: not-allowed; }

#status {
  display: block;
  color: var(--text-dim);
  margin-top: 1rem;
  min-height: 1.2rem;
  font-size: 0.9rem;
}

#output { display: none; margin-top: 1.5rem; text-align: left; }
#output.visible { display: block; }
#output p { font-size: 0.85rem; color: var(--text-dim); margin-bottom: 0.5rem; }

pre {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
  text-align: left;
}

section { display: none; }
section.active { display: block; }