.tool-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.generator-card {
  display: grid;
  gap: 24px;
  max-width: 980px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.generated-output label,
.option-panel legend,
.control-heading label {
  font-weight: 800;
}

.output-row {
  display: grid;
  margin-top: 10px;
}

.password-field {
  position: relative;
}

.password-output,
input[type="range"] {
  width: 100%;
}

.password-output {
  min-height: 56px;
  padding: 0 66px 0 18px;
  border: 1px solid var(--border);
  border-radius: 18px;
  color: var(--text);
  background: var(--bg);
  font: inherit;
  font-size: clamp(1rem, 2vw, 1.2rem);
  font-weight: 800;
}

.password-output:focus {
  border-color: var(--border-strong);
  outline: 3px solid var(--accent-soft);
}

.copy-control {
  position: absolute;
  top: 50%;
  right: 6px;
  display: inline-flex;
  transform: translateY(-50%);
}

.copy-button {
  display: inline-grid;
  width: 44px;
  min-height: 44px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--accent-contrast);
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow: 0 18px 45px var(--accent-soft);
  font: inherit;
  font-size: 1.45rem;
  font-weight: 900;
  cursor: pointer;
  transition:
    transform 180ms ease,
    border-color 180ms ease;
}

.copy-button:hover,
.copy-button:focus-visible {
  transform: translateY(-2px);
  border-color: var(--border-strong);
  outline: none;
}

.copy-tooltip {
  position: absolute;
  right: 50%;
  bottom: calc(100% + 10px);
  z-index: 1;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent-contrast);
  background: var(--accent);
  box-shadow: var(--shadow);
  font-size: 0.85rem;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  transform: translateX(50%) translateY(6px);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.copy-tooltip.show {
  opacity: 1;
  transform: translateX(50%) translateY(0);
}

.mode-tabs {
  display: inline-flex;
  width: fit-content;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg);
}

.mode-tab {
  min-height: 40px;
  padding: 0 16px;
  border: 0;
  border-radius: 999px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.mode-tab.active,
.mode-tab:hover,
.mode-tab:focus-visible {
  color: var(--accent-contrast);
  background: var(--accent);
  outline: none;
}

.generator-layout {
  display: grid;
  gap: 16px;
}

.option-panel {
  display: grid;
  gap: 22px;
  margin: 0;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 24px;
}

.option-panel[hidden] {
  display: none;
}

.option-panel legend {
  padding: 0 8px;
}

.control-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}

.control-heading output {
  display: inline-grid;
  min-width: 42px;
  min-height: 32px;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--accent-strong);
  background: var(--accent-soft);
  font-weight: 900;
}

input[type="range"] {
  accent-color: var(--accent);
}

.check-grid,
.radio-stack {
  display: grid;
  gap: 10px;
}

.check-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  color: var(--muted);
  background: var(--surface);
  font-weight: 700;
}

.choice input {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
}

.generator-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 4px;
}

@media (max-width: 820px) {
  .generator-layout,
  .output-row {
    grid-template-columns: 1fr;
  }

  .tool-hero {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .generator-card,
  .option-panel {
    padding: 18px;
  }

  .copy-button,
  .mode-tabs,
  .mode-tab,
  .generator-actions .button {
    width: 100%;
  }

  .check-grid {
    grid-template-columns: 1fr;
  }
}