:root {
  --ai-accent: #0d6efd;
  --ai-accent-soft: rgba(13, 110, 253, 0.1);
  --ai-ink: #16324f;
  --ai-surface: #ffffff;
  --ai-muted: #667085;
  --ai-border: #d8e2ef;
  --ai-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  --ai-quote-bg: linear-gradient(180deg, #f8fbff 0%, #f4f7fb 100%);
}

body {
  background:
    radial-gradient(circle at top right, rgba(13, 110, 253, 0.08), transparent 22rem),
    linear-gradient(180deg, #f8fafc 0%, #eef4fb 100%);
}

.ai-hero {
  background: linear-gradient(135deg, #fafdff 0%, #eaf2ff 45%, #f5f8ff 100%);
  border: 1px solid var(--ai-border);
  border-radius: 1.25rem;
  box-shadow: var(--ai-shadow);
  padding: 1.75rem;
}

.ai-hero p:last-child {
  margin-bottom: 0;
}

.ai-kpi {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(13, 110, 253, 0.12);
  border-radius: 1rem;
  padding: 1rem 1.1rem;
  height: 100%;
}

.ai-kpi-label {
  color: var(--ai-muted);
  display: block;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ai-kpi-value {
  color: var(--ai-ink);
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
}

.ai-output-card {
  background: var(--ai-surface);
  border: 1px solid var(--ai-border);
  border-radius: 1.1rem;
  box-shadow: var(--ai-shadow);
  height: 100%;
  overflow: hidden;
}

.ai-output-card .card-body {
  padding: 1.35rem;
}

.ai-output-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.9rem;
}

.ai-chip {
  background: var(--ai-accent-soft);
  border: 1px solid rgba(13, 110, 253, 0.12);
  border-radius: 999px;
  color: var(--ai-ink);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.42rem 0.65rem;
}

.ai-chip-secondary {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.24);
  color: #0f5132;
}

.ai-prompt {
  background: linear-gradient(180deg, #19352e 0%, #132b25 100%);
  border: 1px solid #2d564a;
  border-radius: 0.95rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
  color: #f3e7a1;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.94rem;
  line-height: 1.55;
  padding: 1rem 1.1rem;
  white-space: pre-wrap;
}

.ai-prompt-label {
  color: #f7d774;
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 0.45rem;
  text-transform: uppercase;
}

.ai-quote-box {
  background: var(--ai-quote-bg);
  border: 1px solid #dbe6f3;
  border-left: 5px solid var(--ai-accent);
  border-radius: 1rem;
  margin: 0;
  padding: 1.25rem 1.25rem 1rem 1.25rem;
  position: relative;
}

.ai-quote-box::before {
  color: rgba(13, 110, 253, 0.18);
  content: "“";
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4rem;
  left: 0.8rem;
  line-height: 1;
  position: absolute;
  top: 0.3rem;
}

.ai-quote-text {
  color: #223247;
  font-size: 1rem;
  line-height: 1.8;
  margin: 0;
  padding-left: 1.35rem;
  white-space: pre-wrap;
}

.ai-quote-caption {
  color: var(--ai-muted);
  font-size: 0.9rem;
  margin-top: 0.9rem;
  padding-left: 1.35rem;
}

.ai-file-note {
  color: var(--ai-muted);
  font-size: 0.9rem;
}

.ai-empty-state {
  background: rgba(255, 255, 255, 0.82);
  border: 1px dashed #b8c7da;
  border-radius: 1rem;
  color: var(--ai-muted);
  padding: 1rem 1.1rem;
}

.ai-group-card {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--ai-border);
  border-radius: 1rem;
  box-shadow: var(--ai-shadow);
  padding: 1.2rem 1.2rem 1rem 1.2rem;
}

.ai-group-title {
  color: var(--ai-ink);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.ai-group-count {
  color: var(--ai-muted);
  font-size: 0.9rem;
  font-weight: 600;
  margin-left: 0.35rem;
}

.ai-file-list {
  color: #223247;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  margin: 0;
  padding-left: 1.1rem;
}

.ai-file-list li + li {
  margin-top: 0.3rem;
}

.ai-group-section + .ai-group-section {
  margin-top: 1.5rem;
}

.ai-preview {
  color: #223247;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92rem;
  line-height: 1.5;
  margin: 0;
  white-space: pre-wrap;
}

.ai-expand {
  margin-top: 1rem;
}

.ai-expand summary {
  color: var(--ai-accent);
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

.ai-expand summary::-webkit-details-marker {
  display: none;
}

.ai-expand summary::before {
  content: "+ ";
}

.ai-expand[open] summary::before {
  content: "- ";
}

.ai-expand-body {
  border-top: 1px solid var(--ai-border);
  color: #223247;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.92rem;
  line-height: 1.5;
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  white-space: pre-wrap;
}

.ai-badge-letter {
  align-items: center;
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  font-size: 1rem;
  font-weight: 800;
  height: 2rem;
  justify-content: center;
  line-height: 1;
  margin-right: 0.55rem;
  min-width: 2rem;
  text-transform: uppercase;
  vertical-align: middle;
}

.ai-badge-letter-sidebar {
  font-size: 0.92rem;
  height: 1.7rem;
  margin-right: 0.5rem;
  min-width: 1.7rem;
}

.ai-section {
  margin-bottom: 2.25rem;
}

.ai-section-title {
  align-items: center;
  color: var(--ai-ink);
  display: flex;
  font-size: 1.3rem;
  font-weight: 700;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.ai-item-lead {
  color: #16283d;
  font-weight: 800;
}

.ai-hero-review-list {
  margin-bottom: 0;
}

.ai-hero-review-box {
  background: linear-gradient(180deg, #ffffff 0%, #fbfcfe 100%);
  border: 1px solid rgba(71, 85, 105, 0.14);
  border-radius: 0.75rem;
  margin-top: 0.45rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
  padding: 0.65rem 0.8rem;
}

.ai-hero-review-label {
  background: rgba(71, 85, 105, 0.12);
  border-radius: 999px;
  color: #475569;
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  margin-bottom: 0.45rem;
  padding: 0.28rem 0.55rem;
  text-transform: uppercase;
}

.ai-hero-review {
  color: #4b5563;
}

@media (max-width: 768px) {
  .ai-hero {
    padding: 1.25rem;
  }

  .ai-output-card .card-body {
    padding: 1rem;
  }
}