.tool-page .tool-main {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.5rem) clamp(1.25rem, 4vw, 3.5rem) 4rem;
}

.tool-intro {
  margin-bottom: 2rem;
}

.tool-title {
  margin: 0;
  font-family: var(--font-brand);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  background: linear-gradient(120deg, #fff 20%, var(--pearl) 55%, var(--champagne) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tool-lead {
  margin: 0.85rem 0 0;
  color: var(--pearl-dim);
  font-weight: 300;
  font-size: 1.05rem;
  max-width: 38ch;
}

.tool-panel {
  padding: clamp(1.35rem, 3vw, 1.85rem);
  border-radius: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(26, 31, 39, 0.95), rgba(18, 21, 26, 0.98));
  box-shadow: var(--shadow), var(--glow);
}

.tool-label {
  display: block;
  margin-bottom: 0.55rem;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--champagne);
}

.tool-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.tool-row input {
  flex: 1;
  min-width: 220px;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.35);
  color: var(--pearl);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.tool-row input::placeholder {
  color: #6b7280;
}

.tool-row input:focus {
  border-color: rgba(94, 196, 178, 0.55);
  box-shadow: 0 0 0 3px rgba(94, 196, 178, 0.15);
}

.tool-submit {
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.tool-submit:disabled {
  opacity: 0.55;
  cursor: wait;
  transform: none;
}

.tool-hint {
  margin: 0.75rem 0 0;
  font-size: 0.8rem;
  color: #6b7280;
}

.tool-hint code {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--teal);
}

.tool-hint.is-warn {
  color: var(--champagne);
}

.tool-status {
  margin-top: 1.1rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  font-size: 0.9rem;
  line-height: 1.55;
}

.tool-status.is-loading {
  color: var(--teal);
  background: var(--teal-dim);
  border: 1px solid rgba(94, 196, 178, 0.25);
}

.tool-status.is-error {
  color: #f0c4b8;
  background: rgba(180, 70, 55, 0.18);
  border: 1px solid rgba(180, 70, 55, 0.35);
}

.tool-result {
  margin-top: 1.35rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.tool-result-head h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-brand);
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.tool-result-head a {
  display: inline-block;
  font-size: 0.82rem;
  color: var(--teal);
  word-break: break-all;
}

.tool-result-head a:hover {
  text-decoration: underline;
}

.tool-result-body {
  margin-top: 1rem;
  color: var(--pearl-dim);
  font-weight: 300;
  font-size: 0.98rem;
  line-height: 1.75;
  white-space: pre-wrap;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 640px) {
  .tool-row .tool-submit {
    width: 100%;
  }
}