.tool-page {
  padding: 34px 0 74px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 36px;
  color: var(--subtle);
  font-size: 12px;
  font-weight: 700;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.tool-heading {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 25px;
}

.tool-heading .tool-icon {
  width: 60px;
  height: 60px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 18px;
  color: var(--primary);
  background: var(--primary-soft);
  font: 900 20px/1 Consolas, monospace;
}

.tool-title-wrap {
  flex: 1;
}

.tool-heading h1 {
  margin: 2px 0 8px;
  font-size: clamp(28px, 5vw, 38px);
  letter-spacing: -0.05em;
}

.tool-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.tool-favorite {
  min-width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 13px;
  color: var(--subtle);
  background: var(--surface);
  cursor: pointer;
  font-size: 21px;
}

.tool-favorite.active {
  color: #d48a16;
}

.local-notice {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  border: 1px solid #cfeadd;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: #226f55;
  background: var(--success-soft);
  font-size: 12px;
  font-weight: 700;
}

.local-badge {
  flex: 0 0 auto;
  border-radius: 7px;
  padding: 4px 7px;
  color: #fff;
  background: var(--success);
  font-size: 10px;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.generator-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 5vw, 40px);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.field-label {
  display: block;
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 850;
}

.key-input-wrap {
  position: relative;
}

.key-input {
  width: 100%;
  height: 62px;
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  padding: 0 83px 0 16px;
  outline: 0;
  color: var(--text);
  background: var(--surface-input);
  font: 650 16px/1.4 Consolas, "Courier New", monospace;
  letter-spacing: 0.02em;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.key-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(81, 71, 223, 0.09);
}

.key-input.invalid {
  border-color: var(--danger);
  box-shadow: 0 0 0 4px rgba(206, 62, 79, 0.08);
}

.key-counter {
  position: absolute;
  top: 50%;
  right: 16px;
  transform: translateY(-50%);
  color: var(--subtle);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  pointer-events: none;
}

.key-message {
  min-height: 22px;
  margin: 9px 2px 20px;
  color: var(--muted);
  font-size: 12px;
}

.key-message.success {
  color: var(--success);
}

.key-message.error {
  color: var(--danger);
}

.tool-actions {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 12px;
}

.tool-actions .primary-button,
.tool-actions .secondary-button {
  min-height: 52px;
  font-size: 14px;
}

.generator-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  margin-top: 18px;
  padding-top: 17px;
  border-top: 1px solid var(--border);
  color: var(--subtle);
  font-size: 11px;
}

.meta-item {
  display: flex;
  align-items: center;
  gap: 7px;
}

.meta-mark {
  width: 17px;
  height: 17px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--primary);
  background: var(--primary-soft);
  font-size: 10px;
  font-weight: 900;
}

.info-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 15px;
  margin-top: 18px;
}

.info-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  background: var(--surface-translucent);
}

.info-card h2 {
  margin: 0 0 13px;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.step-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.step-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
}

.step-number {
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 7px;
  color: var(--primary);
  background: var(--primary-soft);
  font: 850 10px/1 Consolas, monospace;
}

.related-list {
  display: grid;
  gap: 8px;
}

.related-item {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 0 12px;
  color: var(--muted);
  background: var(--surface);
  font-size: 12px;
  font-weight: 750;
  text-decoration: none;
}

.related-item span:last-child {
  color: var(--subtle);
  font-size: 10px;
}

.tool-guide-card {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: clamp(22px, 4vw, 32px);
  background: var(--surface);
}

.tool-guide-card > h2 {
  margin: 0 0 18px;
  font-size: 20px;
  letter-spacing: -0.025em;
}

.tool-guide-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.tool-guide-columns h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.tool-guide-card p,
.tool-guide-card li {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.tool-guide-card ul,
.tool-guide-card ol {
  margin: 0;
  padding-left: 20px;
}

.tool-guide-example {
  margin: 18px 0 0;
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 13px 15px;
  color: var(--muted);
  background: var(--surface-soft);
  font-size: 13px;
  line-height: 1.75;
}

.tool-guide-link {
  color: var(--primary);
  font-weight: 800;
}

.tool-guide-card details {
  border-top: 1px solid var(--border);
  padding: 13px 0;
}

.tool-guide-card summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.tool-guide-card details p {
  margin: 8px 0 0;
}

.tool-form-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 34px);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-field {
  min-width: 0;
}

.form-field.full {
  grid-column: 1 / -1;
}

.text-input,
.select-input,
.text-area,
.result-input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 13px;
  outline: none;
  color: var(--text);
  background: var(--surface-input);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.text-input,
.select-input,
.result-input {
  height: 50px;
  padding: 0 14px;
}

.text-area {
  min-height: 190px;
  resize: vertical;
  padding: 14px;
  font: 500 13px/1.65 Consolas, "Courier New", monospace;
}

.text-input:focus,
.select-input:focus,
.text-area:focus,
.result-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(81, 71, 223, 0.09);
}

.result-input,
.result-area {
  color: var(--muted);
  background: var(--surface-soft);
}

.field-help {
  margin: 7px 0 0;
  color: var(--subtle);
  font-size: 11px;
  line-height: 1.5;
}

.form-message {
  min-height: 20px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-message.success {
  color: var(--success);
}

.form-message.error {
  color: var(--danger);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.button-row button {
  min-width: 112px;
  padding: 0 18px;
}

.section-divider {
  height: 1px;
  margin: 26px 0;
  border: 0;
  background: var(--border);
}

.subsection-title {
  margin: 0 0 14px;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.uuid-list {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.uuid-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.uuid-row .result-input {
  font: 600 13px/1 Consolas, "Courier New", monospace;
}

.output-panel {
  min-height: 190px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.timezone-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 18px;
  border-radius: 999px;
  padding: 0 11px;
  color: var(--primary);
  background: var(--primary-soft);
  font-size: 11px;
  font-weight: 800;
}

.result-stack {
  display: grid;
  gap: 10px;
}

.result-line {
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
}

.result-line span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 14px;
  background: var(--surface-soft);
}

.stat-card strong,
.stat-card span {
  display: block;
}

.stat-card strong {
  margin-bottom: 5px;
  color: var(--primary);
  font: 800 22px/1.2 Consolas, monospace;
}

.stat-card span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

.option-row {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin: 14px 0 0;
}

.check-option {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 750;
}

.check-option input {
  width: 17px;
  height: 17px;
  accent-color: var(--primary);
}

.hash-output {
  min-height: 84px;
  margin-top: 14px;
  overflow-wrap: anywhere;
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 14px;
  color: #34384c;
  background: #f4f5fa;
  font: 600 13px/1.7 Consolas, "Courier New", monospace;
}

.warning-note {
  margin: 14px 0 0;
  border: 1px solid #f0d49c;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--warning);
  background: var(--warning-soft);
  font-size: 12px;
  line-height: 1.65;
}

@media (max-width: 720px) {
  .tool-heading {
    flex-wrap: wrap;
  }

  .tool-title-wrap {
    min-width: calc(100% - 80px);
  }

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

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

  .form-field.full {
    grid-column: auto;
  }

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

  .tool-guide-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .tool-actions {
    grid-template-columns: 1fr;
  }

  .generator-meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .local-notice {
    align-items: flex-start;
  }

  .button-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .result-line {
    grid-template-columns: 1fr;
    gap: 5px;
  }
}