:root {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-alt: #f9fafb;
  --line: #d7dce5;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #8b1e3f;
  --primary-strong: #6f1431;
  --accent: #dfe8ff;
  --success: #0f766e;
  --warning: #b45309;
  --danger: #b91c1c;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: linear-gradient(180deg, #eef1f8 0%, #f9fbfd 100%);
  color: var(--text);
}
button, select, input, textarea {
  font: inherit;
}
button {
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: white;
  padding: 0.85rem 1.15rem;
  cursor: pointer;
  font-weight: 600;
}
button:hover { opacity: 0.95; }
.button-primary { background: linear-gradient(135deg, var(--primary), var(--primary-strong)); }
.button-secondary { background: #1d4ed8; }
.button-ghost { background: white; color: var(--text); border: 1px solid var(--line); }
.button-with-icon { display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem; }
.button-icon { font-size: 1.05rem; line-height: 1; }
.icon-button { background: transparent; color: var(--muted); padding: 0.4rem 0.7rem; font-size: 1.4rem; border-radius: 10px; }
.icon-button:hover { background: rgba(15, 23, 42, 0.06); opacity: 1; }
textarea, select, input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.9rem;
  background: white;
}
textarea { min-height: 180px; resize: vertical; }
#app { padding: 24px; }
.app-shell {
  max-width: 1540px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
}
.hero, .progress-card, .section-card, .dashboard-section, .foundation-shell {
  background: var(--surface);
  border: 1px solid rgba(139, 30, 63, 0.08);
  border-radius: 20px;
  box-shadow: var(--shadow);
}
.hero {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px;
  background: linear-gradient(135deg, #8b1e3f 0%, #a11d4f 60%, #1f3b73 100%);
  color: white;
}
.hero__subtitle { max-width: 720px; color: rgba(255,255,255,0.88); }
.hero__actions { display: grid; gap: 12px; align-content: start; min-width: 280px; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.8rem; opacity: 0.8; margin-bottom: 0.5rem; }
.locale-switcher span { display: block; margin-bottom: 6px; }
.version-pill, .autosave-pill, .case-pill {
  background: rgba(255,255,255,0.16);
  color: inherit;
  border-radius: 999px;
  padding: 0.65rem 0.95rem;
  font-size: 0.9rem;
}
.progress-card, .dashboard-section { padding: 20px 24px; }
.progress-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.progress-right { display: flex; align-items: center; gap: 12px; min-width: 280px; }
.progress-bar {
  flex: 1;
  height: 12px;
  background: #e5e7eb;
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar span { display: block; height: 100%; background: linear-gradient(135deg, #8b1e3f, #1d4ed8); }
.dashboard-section__meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}
.dashboard-grid, .panel-grid, .layout-grid, .section-grid, .explainability-grid, .button-row, .ai-grid {
  display: grid;
  gap: 16px;
}
.dashboard-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.layout-grid { grid-template-columns: 1.15fr 1fr 0.85fr; align-items: start; }
.column-stack { display: grid; gap: 16px; }
.metric-card, .panel-card, .field-card, .ai-item {
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
}
.metric-card--accent { background: linear-gradient(135deg, #8b1e3f, #1f3b73); color: white; }
.metric-card__label { display: block; color: var(--muted); font-size: 0.85rem; margin-bottom: 8px; }
.metric-card--accent .metric-card__label { color: rgba(255,255,255,0.8); }
.section-card { padding: 0; overflow: hidden; }
details.section-card summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}
details.section-card summary::-webkit-details-marker { display: none; }
.section-body { padding: 18px 20px 20px; display: grid; gap: 12px; }
.section-grid { padding: 18px 20px 20px; grid-template-columns: 1fr; }
.field-card { display: grid; gap: 10px; }
.field-card__header { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.field-card__label { font-weight: 600; }
.field-card__meta, .supporting-text, .trace-list, .report-box, .empty-panel, small { color: var(--muted); }
.panel-grid--two { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.explainability-grid { padding: 18px 20px 20px; }
.contribution-list { display: grid; gap: 10px; }
.contribution-item { display: flex; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 10px; }
.button-row { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.button-row--wrap { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); padding: 18px 20px 8px; }
.report-box {
  margin: 0 20px 20px;
  background: #111827;
  color: #e5e7eb;
  padding: 16px;
  border-radius: 14px;
  min-height: 120px;
  white-space: pre-wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge--confirmed { background: rgba(15,118,110,0.14); color: var(--success); }
.badge--extracted { background: rgba(29,78,216,0.14); color: #1d4ed8; }
.badge--inferred { background: rgba(180,83,9,0.14); color: var(--warning); }
.badge--missing { background: rgba(185,28,28,0.12); color: var(--danger); }
.trace-list, .bullet-list { margin: 0; padding-left: 1.2rem; }
.ai-grid { grid-template-columns: 1fr; }
.ai-item { display: grid; gap: 6px; }
.empty-panel { padding: 16px; text-align: center; }


.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.48);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 50;
}

.modal-card {
  width: min(640px, 100%);
  background: var(--surface);
  border-radius: 24px;
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.24);
  border: 1px solid rgba(139, 30, 63, 0.14);
  padding: 24px;
  display: grid;
  gap: 18px;
}

.modal-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.modal-card__header h2 {
  margin: 0;
}

.modal-card__body {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.modal-card__actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.eyebrow--modal {
  color: var(--primary);
  opacity: 1;
}


/* Layout: clinical text intake centered at top */
.text-intake-center {
  display: flex;
  justify-content: center;
}
.text-intake-center > .section-card {
  width: 100%;
  max-width: 760px;
}

/* Layout: summary panel full-width at bottom */
.summary-panel-bottom > .section-card {
  width: 100%;
}
.summary-panel-bottom .panel-grid--two {
  padding: 18px 20px 20px;
}

/* Foundation section accordion */
.foundation-accordion {
  border-radius: 20px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid rgba(139, 30, 63, 0.08);
  box-shadow: var(--shadow);
}

.foundation-accordion__toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 18px 24px;
  background: transparent;
  border: none;
  border-radius: 0;
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
  text-align: left;
}
.foundation-accordion__toggle:hover {
  background: rgba(139, 30, 63, 0.04);
  opacity: 1;
}

.foundation-accordion__chevron {
  display: inline-block;
  transition: transform 0.3s ease;
  font-size: 0.85rem;
  color: var(--primary);
}
.foundation-accordion.is-open .foundation-accordion__chevron {
  transform: rotate(180deg);
}

.foundation-accordion__body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s ease;
}
.foundation-accordion.is-open .foundation-accordion__body {
  max-height: 4000px;
}

.foundation-section {
  position: relative;
}

.foundation-shell {
  padding: 28px;
  background:
    radial-gradient(circle at top right, rgba(29, 78, 216, 0.12), transparent 32%),
    radial-gradient(circle at bottom left, rgba(139, 30, 63, 0.1), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.96) 0%, rgba(245,247,251,0.98) 100%);
}

.foundation-hero {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.foundation-eyebrow {
  color: var(--primary);
  opacity: 1;
}

.foundation-intro {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.foundation-meta {
  min-width: 280px;
  display: grid;
  gap: 12px;
  justify-items: end;
}

.foundation-version {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: rgba(17, 24, 39, 0.04);
  border: 1px solid rgba(17, 24, 39, 0.08);
  color: var(--text);
  font-weight: 600;
}

.foundation-tag-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.foundation-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: rgba(139, 30, 63, 0.08);
  color: var(--primary-strong);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.foundation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.foundation-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  min-height: 100%;
  padding: 20px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.06);
  backdrop-filter: blur(8px);
}

.foundation-card__icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(139, 30, 63, 0.12), rgba(29, 78, 216, 0.14));
  color: var(--primary-strong);
  font-size: 1.1rem;
  font-weight: 700;
}

.foundation-card__content {
  display: grid;
  gap: 10px;
}

.foundation-card__content h3 {
  margin: 0;
  font-size: 1rem;
}

.foundation-card__content p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.foundation-card__detail {
  display: grid;
  gap: 6px;
  padding-top: 4px;
}

.foundation-reference,
.foundation-authorship,
.foundation-ip {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.035);
  border: 1px solid rgba(148, 163, 184, 0.14);
}

.foundation-reference__label {
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  font-weight: 700;
}

.foundation-reference strong,
.foundation-authorship strong,
.foundation-ip strong {
  font-size: 0.95rem;
}

.foundation-reference span:not(.foundation-reference__label),
.foundation-authorship span,
.foundation-ip span {
  color: var(--muted);
  line-height: 1.55;
}

.foundation-mini-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  display: grid;
  gap: 6px;
}

.foundation-bottom-bar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(148, 163, 184, 0.2);
  color: var(--muted);
}

.foundation-bottom-bar strong {
  color: var(--text);
}

@media (max-width: 1200px) {
  .layout-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  #app { padding: 12px; }
  .hero, .progress-card, .section-heading, .foundation-hero { grid-template-columns: 1fr; display: grid; }
  .dashboard-section__meta { justify-content: flex-start; }
  .modal-backdrop { padding: 16px; }
  .progress-right { min-width: 0; width: 100%; }
  .foundation-shell { padding: 22px 18px; }
  .foundation-meta { min-width: 0; justify-items: start; }
  .foundation-tag-row { justify-content: flex-start; }
  .foundation-card { grid-template-columns: 1fr; }
  .foundation-bottom-bar { flex-direction: column; align-items: flex-start; }
}

.toolbar-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.saved-cases-toolbar,
.saved-cases-filters,
.saved-case-card__actions,
.saved-case-card__meta {
  display: grid;
  gap: 12px;
}

.saved-cases-filters {
  grid-template-columns: 1fr;
}

.saved-cases-list {
  display: grid;
  gap: 12px;
}

.saved-case-card {
  background: var(--surface-alt);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 16px;
  display: grid;
  gap: 12px;
}

.saved-case-card--active {
  border-color: rgba(29, 78, 216, 0.45);
  box-shadow: inset 0 0 0 1px rgba(29, 78, 216, 0.18);
}

.saved-case-card__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.saved-case-card__header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.saved-case-card__meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.saved-case-card__actions {
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
}

.inline-alert {
  border: 1px solid rgba(185, 28, 28, 0.18);
  background: rgba(185, 28, 28, 0.08);
  color: var(--danger);
  border-radius: 14px;
  padding: 12px 14px;
}

.button-danger {
  color: var(--danger);
  border-color: rgba(185, 28, 28, 0.32);
}

@media (max-width: 1180px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 840px) {
  .hero,
  .progress-card,
  .section-heading,
  .foundation-hero {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hero__actions,
  .progress-right,
  .dashboard-section__meta {
    min-width: 0;
  }

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