* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Euclid Circular A", "Segoe UI", Tahoma, sans-serif;
}

html {
  background: var(--tool-bg);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  background: var(--tool-bg);
  color: var(--tool-text);
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

input {
  caret-color: var(--tool-text);
  cursor: var(--tool-input-cursor);
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--tool-focus);
  outline-offset: 2px;
}

.tool-page {
  padding-top: 64px;
}

.tool-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.page-header {
  padding: 40px 0 24px;
  border-bottom: 1px solid var(--tool-line);
  background: var(--tool-surface);
}

.page-header h1 {
  max-width: 820px;
  color: var(--tool-text);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.1;
  letter-spacing: 0;
}

.page-header p:not(.section-label) {
  max-width: 860px;
  margin-top: 14px;
  color: var(--tool-muted);
  font-size: 16px;
  line-height: 1.7;
}

.section-label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--tool-accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.cover-workspace {
  display: block;
  max-width: 980px;
  padding: 22px 0 52px;
}

.tool-panel,
.content-section article {
  border: 1px solid var(--tool-line);
  border-radius: var(--tool-radius);
  background: var(--tool-surface);
  box-shadow: var(--tool-shadow);
}

.tool-panel {
  padding: 22px;
  overflow: hidden;
}

.panel-heading {
  max-width: 780px;
  margin-bottom: 18px;
}

.small-heading {
  margin-bottom: 12px;
}

.panel-heading h2,
.content-section h2 {
  color: var(--tool-text);
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}

.small-heading h2 {
  font-size: 18px;
}

.panel-heading p:not(.section-label),
.field-help,
.form-error,
.content-section p,
.content-section li {
  color: var(--tool-muted);
  font-size: 14px;
  line-height: 1.68;
}

.template-picker {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}

.template-card {
  min-height: 96px;
  border: 1px solid var(--tool-line);
  border-radius: 6px;
  background: var(--tool-surface);
  color: var(--tool-text);
  padding: 13px;
  text-align: left;
}

.template-card.active,
.template-card:hover {
  border-color: var(--tool-accent);
  background: var(--tool-panel);
}

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

.template-card span {
  margin-top: 7px;
  color: var(--tool-muted);
  font-size: 13px;
  line-height: 1.5;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.field-group {
  display: grid;
  gap: 7px;
}

.field-group.wide {
  grid-column: 1 / -1;
  margin-bottom: 14px;
}

.field-group label {
  color: var(--tool-text);
  font-size: 14px;
  font-weight: 800;
}

.field-group label span {
  color: var(--tool-muted);
}

.check-option {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--tool-muted);
  font-size: 13px;
  font-weight: 700;
}

.check-option input {
  width: 16px;
  height: 16px;
  accent-color: var(--tool-accent);
  cursor: pointer;
}

.field-group input,
.custom-field-row input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--tool-line);
  border-radius: 6px;
  background: var(--tool-surface);
  color: var(--tool-text);
  padding: 9px 10px;
}

.field-group .check-option input {
  width: 16px;
  min-height: 0;
  height: 16px;
  padding: 0;
  flex: 0 0 16px;
}

.field-group input::placeholder,
.custom-field-row input::placeholder {
  color: color-mix(in srgb, var(--tool-muted) 72%, transparent);
}

.custom-field-box {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid var(--tool-line);
  border-radius: var(--tool-radius);
  background: var(--tool-panel);
}

.custom-fields {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

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

.row-action,
.secondary-action,
.primary-action {
  min-height: 42px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 760;
}

.row-action,
.secondary-action {
  border: 1px solid var(--tool-line);
  background: var(--tool-surface);
  color: var(--tool-text);
  padding: 0 14px;
}

.row-action {
  min-height: 36px;
  font-size: 13px;
}

.add-row-action {
  min-width: 160px;
  border-color: var(--tool-accent);
  color: var(--tool-accent-dark);
}

.primary-action {
  border: 1px solid var(--tool-accent);
  background: var(--tool-accent);
  color: #ffffff;
  padding: 0 18px;
}

.primary-action:hover {
  background: var(--tool-accent-dark);
}

.secondary-action:hover,
.row-action:hover {
  border-color: var(--tool-accent);
}

.danger-action {
  color: var(--tool-danger);
}

.panel-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.panel-actions.between {
  justify-content: space-between;
  align-items: center;
}

.panel-actions.between > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px;
}

.form-error {
  min-height: 22px;
  margin-top: 12px;
  color: var(--tool-danger);
  font-weight: 750;
}

.content-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 52px;
}

.content-section article {
  padding: 18px;
}

.content-section h2 {
  margin-bottom: 10px;
}

.content-section ol {
  padding-left: 20px;
}

.content-section p + p {
  margin-top: 10px;
}

.important-note {
  border-left: 3px solid var(--tool-accent);
}

@media (max-width: 760px) {
  .template-picker,
  .form-grid,
  .content-section {
    grid-template-columns: 1fr;
  }

  .custom-field-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .tool-page {
    padding-top: 60px;
  }

  .tool-shell {
    width: min(100% - 24px, 1180px);
  }

  .page-header {
    padding: 30px 0 20px;
  }

  .cover-workspace {
    padding: 16px 0 38px;
  }

  .tool-panel,
  .content-section article {
    padding: 16px;
  }

  .panel-actions,
  .panel-actions.between {
    display: grid;
    grid-template-columns: 1fr;
  }

  .panel-actions.between > div {
    display: grid;
    grid-template-columns: 1fr;
  }

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

.content-section {
  display: block;
  padding: 0 0 64px;
}

.content-section article {
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr);
  gap: 26px;
  padding: 24px 0;
  border: 0;
  border-top: 1px solid var(--tool-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.content-section h2 {
  max-width: 220px;
  margin: 0;
}

.content-section h3 {
  margin: 18px 0 6px;
  font-size: 16px;
}

.content-section p {
  margin: 0 0 12px;
}

.content-section ol,
.content-section ul {
  margin: 0;
  padding-left: 20px;
}

.content-section article > *:not(h2) {
  grid-column: 2;
}

.content-section article h2 + p,
.content-section article h2 + ol,
.content-section article h2 + ul,
.content-section article h2 + div {
  margin-top: 0;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--tool-line);
  border-radius: 6px;
  background: var(--tool-surface);
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  padding: 13px 14px;
  color: var(--tool-text);
  font-weight: 800;
  line-height: 1.35;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  flex: 0 0 auto;
  color: var(--tool-accent-dark);
  font-size: 18px;
  font-weight: 900;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 0;
  padding: 0 14px 14px;
  line-height: 1.55;
}

@media (max-width: 760px) {
  .content-section article {
    display: block;
    padding: 22px 0;
  }

  .content-section h2 {
    max-width: none;
    margin-bottom: 10px;
  }

  .content-section article > *:not(h2) {
    grid-column: auto;
  }
}