.tool-hero {
  text-align: center;
  padding: 2.25rem 0 2.2rem;
  animation: timestamp-reveal 0.68s var(--ease-standard) both;
}

.tool-hero h1 {
  position: relative;
  margin-bottom: 0.75rem;
  font-size: clamp(2.15rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.tool-hero h1::after {
  position: absolute;
  z-index: -1;
  right: 15%;
  bottom: -0.1rem;
  width: 38%;
  height: 1rem;
  border-radius: 50%;
  background: linear-gradient(90deg, rgba(20, 184, 166, 0.18), rgba(59, 130, 246, 0.22));
  content: "";
  filter: blur(14px);
}

.tool-hero p {
  max-width: 42rem;
  margin: 0 auto;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.tool-workspace {
  position: relative;
  padding: clamp(1.2rem, 2.6vw, 1.8rem);
  border-color: rgba(255, 255, 255, 0.84);
  border-radius: 1rem;
  box-shadow: 0 14px 38px -25px rgba(15, 23, 42, 0.35), 0 16px 42px -32px rgba(13, 148, 136, 0.55);
  animation: timestamp-reveal 0.7s 90ms var(--ease-standard) both;
}

.tool-workspace::before {
  position: absolute;
  z-index: -1;
  top: -9rem;
  right: -8rem;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.1);
  content: "";
  filter: blur(42px);
  pointer-events: none;
}

.mode-tabs {
  display: flex;
  gap: 0;
  margin-bottom: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
}

.mode-tab {
  flex: 1;
  min-height: 2.75rem;
  padding: 0.55rem 0.75rem;
  color: var(--color-muted);
  background: transparent;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: color var(--duration-fast), background var(--duration-fast);
}

.mode-tab:not(:last-child) {
  border-right: 1px solid var(--color-border);
}

.mode-tab:hover {
  color: var(--color-brand-strong);
}

.mode-tab[aria-selected="true"] {
  color: #fff;
  background: var(--color-ink);
}

.mode-tab:focus-visible {
  outline-offset: -2px;
  outline: 2px solid var(--color-brand);
}

.workspace-form {
  display: grid;
  gap: var(--space-6);
}

.workspace-form .field {
  margin-top: var(--space-2);
}

.field-label {
  display: block;
  color: var(--color-ink-soft);
  font-size: 0.85rem;
  font-weight: 700;
}

.workspace-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}

.workspace-actions-secondary {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4);
  margin-top: 0;
}

.workspace-actions .button svg {
  width: 1.15em;
  height: 1.15em;
}

.output-area {
  display: grid;
  gap: var(--space-2);
}

.result-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-border);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
}

.result-item {
  min-width: 0;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.78);
  transition: background var(--duration-fast);
}

.result-item:hover {
  background: rgba(240, 253, 250, 0.78);
}

.result-label {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--color-faint);
  font-size: 0.75rem;
  font-weight: 700;
}

.result-value {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--color-ink-soft);
  font-size: 0.9rem;
}

.result-value-mono {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 0.84rem;
}

.privacy-section {
  display: flex;
  align-items: flex-start;
  gap: var(--space-5);
  padding: var(--space-6);
  margin-top: var(--space-8);
  border-radius: 1rem;
}

.privacy-section h2 {
  margin-bottom: var(--space-2);
  font-size: 1.1rem;
}

.privacy-section p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.privacy-icon {
  display: grid;
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  place-items: center;
  color: var(--color-success);
  border-radius: var(--radius-md);
  background: var(--color-success-soft);
}

#error-banner {
  margin-top: var(--space-5);
}

#error-banner svg {
  flex-shrink: 0;
  width: 1.3em;
  height: 1.3em;
}

@keyframes timestamp-reveal {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 720px) {
  .tool-hero {
    padding-top: 1.8rem;
  }

  .workspace-form {
    gap: var(--space-4);
  }

  .workspace-actions {
    flex-direction: column;
  }

  .workspace-actions .button {
    width: 100%;
  }

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

  .privacy-section {
    flex-direction: column;
    gap: var(--space-3);
  }
}

@media (max-width: 560px) {
  .tool-hero {
    padding-top: 1.25rem;
  }

  .tool-hero h1 {
    font-size: 2.25rem;
  }

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