.ai-shell {
  width: min(100%, 1320px);
  min-height: 100dvh;
  margin: 0 auto;
  display: grid;
  grid-template-rows: auto auto auto minmax(520px, 1fr);
  gap: 10px;
  padding: 10px;
}

.ai-top h1 {
  font-size: 1.22rem;
}

.ai-generator-panel,
.ai-results,
.ai-editor-frame-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 12px 28px rgba(31, 54, 75, 0.18);
}

.ai-generator-panel {
  padding: 12px;
}

.ai-form {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(120px, 0.8fr) minmax(220px, 1.1fr) minmax(260px, 1.4fr) minmax(200px, 1fr) auto;
  align-items: end;
  gap: 10px;
}

.ai-form label {
  display: grid;
  gap: 6px;
  min-width: 0;
  color: #315170;
  font-size: 0.82rem;
  font-weight: 900;
}

.ai-form input,
.ai-form select {
  min-height: 38px;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--ink);
  padding: 0 10px;
  font-weight: 800;
}

.ai-range-label input {
  padding: 0;
}

.seed-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 6px;
}

.ai-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ai-status {
  margin: 10px 0 0;
  color: #315170;
  font-weight: 850;
}

.ai-results {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.34fr);
  gap: 10px;
  padding: 10px;
}

.candidate-grid {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.candidate-card {
  min-width: 0;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
}

.candidate-card.is-selected {
  border-color: rgba(18, 63, 117, 0.62);
  box-shadow: inset 0 0 0 2px rgba(18, 63, 117, 0.16);
}

.candidate-card header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 8px;
}

.candidate-kicker,
.candidate-card h3,
.candidate-warnings {
  margin: 0;
}

.candidate-kicker {
  color: #315170;
  font-size: 0.78rem;
  font-weight: 900;
}

.candidate-card h3 {
  font-size: 1rem;
}

.candidate-pass {
  flex: 0 0 auto;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  padding: 0 8px;
  border-radius: 999px;
  background: #dff8e7;
  color: #166534;
  font-size: 0.78rem;
  font-weight: 900;
}

.candidate-map {
  max-width: 100%;
  width: 100%;
  aspect-ratio: 420 / 116;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #8bd1ff;
}

.candidate-metrics,
.compare-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.candidate-metrics span,
.compare-grid span {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
  border: 1px solid rgba(29, 41, 57, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  font-size: 0.8rem;
}

.candidate-warnings {
  min-height: 48px;
  padding-left: 18px;
  color: #475467;
  font-size: 0.82rem;
}

.candidate-warnings .is-error {
  color: #b42318;
  font-weight: 850;
}

.candidate-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-compare {
  align-self: start;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
}

.ai-compare h2 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.ai-editor-frame-panel {
  min-height: 520px;
  overflow: hidden;
}

#editorFrame {
  max-width: 100%;
  width: 100%;
  height: min(900px, 76dvh);
  min-height: 520px;
  display: block;
  border: 0;
  background: #fff;
}

@media (max-width: 980px) {
  .ai-results,
  .candidate-grid {
    grid-template-columns: 1fr;
  }

  .ai-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(160px, 1fr));
    align-items: stretch;
    gap: 8px;
    overflow-x: visible;
    overflow-y: visible;
  }

  .ai-form label {
    min-width: 0;
  }

  .ai-form label:nth-child(3) {
    grid-column: 1 / -1;
  }

  .ai-actions {
    grid-column: 1 / -1;
    align-items: stretch;
  }
}

@media (max-width: 640px) and (orientation: portrait) {
  .ai-shell {
    gap: 6px;
    padding: 6px;
    grid-template-rows: auto auto auto minmax(420px, 1fr);
  }

  .ai-generator-panel,
  .ai-results {
    padding: 8px;
  }

  .ai-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }

  .ai-form {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .ai-actions button {
    flex: 1 1 88px;
  }

  .candidate-card {
    padding: 8px;
  }

  #editorFrame {
    min-height: 440px;
    height: 72dvh;
  }
}

@media (max-width: 980px) and (orientation: landscape) {
  .ai-form {
    display: flex;
    flex-wrap: nowrap;
    align-items: end;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .ai-form label {
    flex: 0 0 170px;
  }

  .ai-form label:nth-child(3) {
    flex: 0 0 240px;
  }

  .ai-actions {
    order: -1;
    flex: 0 0 auto;
    flex-wrap: nowrap;
  }
}