.page { padding: 40px 20px; max-width: 700px; margin: 0 auto; }
.page h1 { font-size: 26px; font-weight: 700; color: #fff; margin-bottom: 6px; }
.page .subtitle { color: #888; margin-bottom: 24px; font-size: 14px; }

.output-box {
  display: flex; align-items: center; gap: 0;
  background: #0d0d0d; border: 1px solid #2a2a2a; border-radius: 10px;
  overflow: hidden; margin-bottom: 10px;
}
#password-out {
  flex: 1; background: transparent; border: none; outline: none;
  color: #fff; font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
  font-size: 18px; padding: 18px 20px; letter-spacing: 1px;
  min-width: 0;
}
.copy-btn, .regen-btn {
  background: transparent; border: none; color: #888; padding: 14px 18px;
  cursor: pointer; transition: color 0.15s, background 0.15s; border-left: 1px solid #2a2a2a;
}
.copy-btn:hover, .regen-btn:hover { color: #ff4444; background: #141414; }
.copy-btn.copied { color: #4ade80; }

.strength-bar {
  height: 6px; background: #1a1a1a; border-radius: 3px; overflow: hidden;
  position: relative; margin-bottom: 4px;
}
.strength-fill { height: 100%; width: 0; transition: width 0.3s, background 0.3s; }
.strength-fill.weak { background: #f87171; }
.strength-fill.fair { background: #facc15; }
.strength-fill.good { background: #60a5fa; }
.strength-fill.strong { background: #4ade80; }
.strength-label { font-size: 12px; color: #888; text-align: right; margin-bottom: 24px; }

.controls { background: #0d0d0d; border: 1px solid #262626; border-radius: 10px; padding: 20px; }
.ctrl-row { margin-bottom: 20px; }
.ctrl-row label {
  display: block; font-size: 13px; font-weight: 600; color: #ccc; margin-bottom: 10px;
}
.ctrl-row label span { color: #ff4444; font-weight: 700; }
.ctrl-row input[type="range"] {
  width: 100%; height: 6px; background: #1a1a1a; border-radius: 3px;
  -webkit-appearance: none; appearance: none; outline: none; cursor: pointer;
}
.ctrl-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: #ff4444; cursor: pointer; border: 2px solid #fff;
}
.ctrl-row input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: #ff4444; cursor: pointer; border: 2px solid #fff;
}

.toggle-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px;
}
.toggle {
  display: flex; align-items: center; gap: 10px; padding: 12px;
  background: #141414; border: 1px solid #262626; border-radius: 6px;
  cursor: pointer; font-size: 13px; color: #ccc; transition: border-color 0.15s;
}
.toggle:hover { border-color: #444; }
.toggle input { accent-color: #ff4444; width: 16px; height: 16px; margin: 0; }

.presets { display: flex; gap: 8px; flex-wrap: wrap; }
.preset-btn {
  padding: 8px 14px; background: #141414; border: 1px solid #333;
  color: #ccc; border-radius: 6px; font-size: 13px; cursor: pointer; transition: all 0.15s;
}
.preset-btn:hover { border-color: #ff4444; color: #fff; }

.info-card {
  margin-top: 24px; padding: 16px 20px;
  background: #0d0d0d; border: 1px solid #1f1f1f; border-radius: 10px;
}
.info-card h3 { color: #ccc; font-size: 14px; margin-bottom: 8px; font-weight: 600; }
.info-card p { color: #888; font-size: 13px; line-height: 1.6; margin: 0; }
.info-card code { background: #1a1a1a; color: #ff4444; padding: 1px 6px; border-radius: 3px; font-size: 12px; }

@media (max-width: 600px) {
  .toggle-grid { grid-template-columns: 1fr; }
  #password-out { font-size: 15px; padding: 14px 16px; }
}