/**
 * Random String Generator – same design language as password generator.
 * Solid cards, muted colours, no glass.
 */

.tool-random-string-generator .hidden {
  display: none !important;
}

/* Main cards */
.tool-random-string-generator .rsg-card {
  background: var(--bg-800);
  border: 1px solid var(--line2);
  color: var(--fg);
}

.tool-random-string-generator .rsg-icon-wrap,
.tool-random-string-generator .rsg-icon-sm {
  background: var(--bg-900);
  border: 1px solid var(--line2);
  color: var(--fg);
}

/* Length/count badges */
.tool-random-string-generator .rsg-length-badge {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-900);
  border: 1px solid var(--line2);
  border-radius: 8px;
}

/* Slider: muted track and thumb (like password) */
.tool-random-string-generator .rsg-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: var(--bg-900);
  border: 1px solid var(--line2);
  border-radius: 4px;
}

.tool-random-string-generator .rsg-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--fg);
  border: 1px solid var(--line2);
  cursor: pointer;
  transition: background 0.2s;
}

.tool-random-string-generator .rsg-slider::-webkit-slider-thumb:hover {
  background: var(--muted);
}

.tool-random-string-generator .rsg-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--fg);
  border: 1px solid var(--line2);
  cursor: pointer;
}

/* Character set cards (same pattern as password pw-set-card) */
.tool-random-string-generator .rsg-set-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg-900);
  border: 2px solid var(--line2);
  border-radius: 12px;
  cursor: pointer;
  color: var(--fg);
  transition: border-color 0.2s, background-color 0.2s;
}

.tool-random-string-generator .rsg-set-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.tool-random-string-generator .rsg-set-card--checked {
  border-color: var(--cta);
  background: rgba(var(--cta-rgb), 0.06);
}

.tool-random-string-generator .rsg-checkbox {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 2px solid var(--line2);
  border-radius: 4px;
  background: transparent;
  transition: border-color 0.2s, background 0.2s;
}

.tool-random-string-generator .rsg-set-card--checked .rsg-checkbox {
  border-color: var(--cta);
  background: var(--cta);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}

.tool-random-string-generator .rsg-set-label {
  font-weight: 500;
  color: var(--fg);
}

.tool-random-string-generator .rsg-set-card--checked .rsg-set-label,
.tool-random-string-generator .rsg-set-card:focus-within .rsg-set-label {
  color: var(--fg);
}

/* Generate button: solid CTA (like pw-btn-generate) */
.tool-random-string-generator .rsg-btn-generate {
  background: var(--cta);
  color: var(--color-on-accent);
  border: 1px solid var(--cta);
}

.tool-random-string-generator .rsg-btn-generate:hover {
  filter: brightness(1.1);
}

/* Placeholder (initial state, no result yet) */
.tool-random-string-generator .rsg-placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 12rem;
  aspect-ratio: 1;
  margin: 0 auto 1.5rem;
  background: var(--bg-900);
  border: 2px solid var(--line2);
  border-radius: 20px;
  color: var(--muted);
}

.tool-random-string-generator .rsg-placeholder-icon {
  width: 4rem;
  height: 4rem;
  opacity: 0.5;
}

/* Result: strings display box */
.tool-random-string-generator .rsg-strings-wrap {
  background: var(--bg-900);
  border: 1px solid var(--line2);
  position: relative;
}

.tool-random-string-generator .rsg-strings-wrap textarea {
  min-height: 280px;
}

.tool-random-string-generator .rsg-copy-success {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--cta);
  background: var(--bg-800);
  border: 1px solid var(--line2);
  border-radius: 6px;
  opacity: 0;
  transition: opacity 0.2s;
}

.tool-random-string-generator .rsg-copy-success--visible {
  opacity: 1;
}

/* Copy button in result */
.tool-random-string-generator .rsg-card .btn-ghost {
  background: transparent;
}

/* Features section (like pw-features) */
.tool-random-string-generator .rsg-features {
  padding-top: 3rem;
  padding-bottom: 4rem;
}

.tool-random-string-generator .rsg-feature-card {
  background: var(--bg-800);
  border: 1px solid var(--line2);
  transition: border-color 0.2s;
}

.tool-random-string-generator .rsg-feature-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

.tool-random-string-generator .rsg-feature-icon {
  background: var(--bg-900);
  border: 1px solid var(--line2);
  color: var(--fg);
}

/* Mobile */
@media (max-width: 768px) {
  .tool-random-string-generator .rsg-card {
    padding: 1.25rem 1.5rem;
  }

  .tool-random-string-generator .sticky {
    position: relative;
    top: 0;
  }

  .tool-random-string-generator .rsg-btn-generate,
  .tool-random-string-generator .rsg-card .btn-ghost {
    min-height: 44px;
  }
}

@media (max-width: 480px) {
  .tool-random-string-generator .rsg-card {
    padding: 1rem 1.25rem;
  }
}