.idea-validation {
  --iv-border: #d8d0c4;
  --iv-surface: #fcfaf6;
  --iv-surface-strong: #f3ede4;
  --iv-ink: #201b16;
  --iv-muted: #6b6258;
  --iv-accent: #c77b2a;
  --iv-accent-soft: #fff1df;
  display: grid;
  gap: 1.5rem;
}

.idea-validation__computed {
  display: none;
}

.idea-validation__hero {
  display: grid;
  gap: 1rem;
  align-items: start;
}

.idea-validation__hero-note {
  margin: 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--iv-border);
  border-radius: 18px;
  background: var(--iv-accent-soft);
  color: var(--iv-ink);
}

.idea-validation__controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: space-between;
  align-items: center;
}

.idea-validation__mode-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.idea-validation__mode-btn,
.idea-validation__reset-btn {
  appearance: none;
  border: 1px solid var(--iv-border);
  border-radius: 999px;
  background: #fff;
  color: var(--iv-ink);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  padding: 0.72rem 1rem;
}

.idea-validation__mode-btn--active {
  border-color: var(--iv-accent);
  background: var(--iv-accent-soft);
  color: var(--iv-ink);
}

.idea-validation__reset-btn {
  background: var(--iv-surface-strong);
}

.idea-validation__idea-grid,
.idea-validation__result-grid,
.idea-validation__compare-grid {
  display: grid;
  gap: 1rem;
}

.idea-validation__idea-grid {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.idea-validation__idea-card,
.idea-validation__result-card,
.idea-validation__compare-card {
  border: 1px solid var(--iv-border);
  border-radius: 20px;
  background: var(--iv-surface);
  padding: 1.1rem;
}

.idea-validation__idea-label,
.idea-validation__result-label,
.idea-validation__compare-card span {
  margin: 0 0 0.55rem;
  color: var(--iv-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.idea-validation__field {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.idea-validation__field + .idea-validation__field {
  margin-top: 0.9rem;
}

.idea-validation__field span {
  color: var(--iv-ink);
  font-size: 0.92rem;
  font-weight: 700;
}

.idea-validation__input,
.idea-validation__select {
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  border: 1px solid var(--iv-border);
  border-radius: 14px;
  background: #fff;
  color: var(--iv-ink);
  font: inherit;
  padding: 0.72rem 0.8rem;
}

.idea-validation__textarea {
  min-height: 5.8rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
  resize: vertical;
}

.idea-validation__select--secondary {
  margin-top: 0.55rem;
  background: var(--iv-surface-strong);
}

.idea-validation__panel {
  border: 1px solid var(--iv-border);
  border-radius: 24px;
  background: var(--iv-surface);
  overflow: hidden;
}

.idea-validation__panel--results {
  display: grid;
  gap: 1rem;
}

.idea-validation__section-header {
  display: grid;
  gap: 0.35rem;
  padding: 1.2rem 1.2rem 0;
}

.idea-validation__section-header h3 {
  margin: 0;
  color: var(--iv-ink);
}

.idea-validation__section-header p {
  margin: 0;
  color: var(--iv-muted);
}

.idea-validation__table-wrap {
  overflow-x: auto;
  padding: 1rem 1.2rem 1.2rem;
}

.idea-validation__table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
}

.idea-validation__table th,
.idea-validation__table td {
  border-top: 1px solid var(--iv-border);
  padding: 0.95rem 0.85rem;
  vertical-align: top;
}

.idea-validation__table thead th {
  border-top: none;
  color: var(--iv-ink);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.idea-validation__question-col {
  width: 40%;
  text-align: left;
}

.idea-validation__idea-col {
  min-width: 180px;
  text-align: left;
}

.idea-validation__question-cell strong {
  display: block;
  color: var(--iv-ink);
  font-size: 0.98rem;
}

.idea-validation__question-cell small {
  display: block;
  margin-top: 0.2rem;
  color: var(--iv-accent);
  font-size: 0.78rem;
  font-weight: 700;
}

.idea-validation__question-cell p {
  margin: 0.4rem 0 0;
  color: var(--iv-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.idea-validation__answer-cell {
  background: rgba(255, 255, 255, 0.7);
}

.tool-embed--article {
  min-width: 0;
}

.tool-embed--article .idea-validation__panel,
.tool-embed--article .idea-validation__table-wrap,
.tool-embed--article .table-wrap {
  min-width: 0;
  max-width: 100%;
}

.tool-embed--article .idea-validation__table-wrap,
.tool-embed--article .table-wrap {
  overflow-x: hidden;
}

.tool-embed--article .idea-validation__table,
.tool-embed--article .prose-table {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  table-layout: fixed;
}

.tool-embed--article .idea-validation__table th,
.tool-embed--article .idea-validation__table td {
  min-width: 0;
  overflow-wrap: anywhere;
}

.tool-embed--article .idea-validation__question-col {
  width: 58%;
}

.tool-embed--article .idea-validation__idea-col {
  width: 42%;
  min-width: 0;
}

.tool-embed--article .idea-validation__answer-cell {
  padding-right: 1.15rem;
}

.tool-embed--article .idea-validation__answer-cell .idea-validation__select {
  display: block;
  width: 100% !important;
  max-width: 100%;
}

.idea-validation__result-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  padding: 0 1.2rem 1.2rem;
}

.idea-validation__result-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.idea-validation__result-score {
  color: var(--iv-ink);
  font-size: 1.45rem;
}

.idea-validation__verdict {
  margin: 0.4rem 0 0.9rem;
  color: var(--iv-ink);
  font-size: 1.05rem;
  font-weight: 800;
}

.idea-validation__score-list {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.idea-validation__score-list li {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  border-top: 1px solid var(--iv-border);
  padding-top: 0.5rem;
  color: var(--iv-ink);
}

.idea-validation__result-copy p {
  margin: 0.25rem 0 0.65rem;
  color: var(--iv-muted);
}

.idea-validation__result-copy p strong {
  color: var(--iv-ink);
}

.idea-validation__compare-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  padding: 0 1.2rem 1.2rem;
}

.idea-validation__compare-card strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--iv-ink);
  font-size: 1.05rem;
}

.idea-validation__compare-card p {
  margin: 0;
  color: var(--iv-muted);
}

@media (max-width: 900px) {
  .idea-validation__controls {
    align-items: stretch;
  }

  .idea-validation__mode-group {
    width: 100%;
  }

  .idea-validation__mode-btn,
  .idea-validation__reset-btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 720px) {
  .idea-validation__idea-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .idea-validation__idea-card,
  .idea-validation__result-card,
  .idea-validation__compare-card {
    min-width: 0;
  }

  .idea-validation__table {
    min-width: 620px;
  }

  .idea-validation__question-col {
    width: 48%;
  }

  .idea-validation__question-cell strong {
    font-size: 0.92rem;
  }

  .idea-validation__question-cell p {
    font-size: 0.84rem;
  }

  .tool-embed--article .idea-validation__table-wrap {
    overflow-x: visible;
  }

  .tool-embed--article .idea-validation__table {
    min-width: 0;
    display: block;
  }

  .tool-embed--article .idea-validation__table thead {
    display: none;
  }

  .tool-embed--article .idea-validation__table tbody {
    display: block;
  }

  .tool-embed--article .idea-validation__table tr {
    display: block;
    border-top: 1px solid var(--iv-border);
    padding: 0.9rem 0;
  }

  .tool-embed--article .idea-validation__table tr:first-child {
    border-top: none;
    padding-top: 0;
  }

  .tool-embed--article .idea-validation__table td {
    display: block;
    width: 100%;
    border-top: none;
    padding: 0.35rem 0;
  }

  .tool-embed--article .idea-validation__question-cell {
    padding-bottom: 0.55rem;
  }

  .tool-embed--article .idea-validation__answer-cell {
    padding-top: 0;
    background: transparent;
  }
}