/*
  AIStill.ai — Nutritional Intelligence Hub
  Tier 2: AI Results Interpretation
  v1.0 | Built for Cloudflare Pages + Workers
  Auth integration point: search "AUTH STUB" for drop-in hooks
*/

.hero {
  padding: var(--space-16) 0 var(--space-12);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.54));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.52fr);
  gap: var(--space-8);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-accent);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.page-title {
  margin-bottom: var(--space-4);
  color: var(--color-text-primary);
  font-size: clamp(2.1rem, 6vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: 0;
}

.page-title {
  font-size: clamp(2rem, 5vw, 3rem);
}

.hero-subhead,
.page-subhead {
  max-width: 68ch;
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

.hero-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

.hero-card h2 {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
}

.hero-card ul,
.check-list {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  margin: 0;
  list-style: none;
}

.hero-card li,
.check-list li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--color-text-secondary);
}

.hero-card li::before,
.check-list li::before {
  position: absolute;
  left: 0;
  top: 0.2rem;
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid var(--color-success);
  border-radius: 999px;
  content: "";
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 0.72rem 1rem;
  font-weight: var(--font-bold);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease, background 150ms ease;
}

.button {
  margin-top: var(--space-6);
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.button:hover {
  background: #1D4ED8;
  transform: translateY(-1px);
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-accent);
  border-color: var(--color-border);
}

.button-secondary:hover {
  border-color: rgba(37, 99, 235, 0.42);
  box-shadow: var(--shadow-sm);
}

.button[aria-disabled="true"],
.button-secondary[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.section {
  padding: var(--space-12) 0 0;
}

.section-header {
  max-width: 760px;
  margin-bottom: var(--space-6);
}

.section-header h2 {
  margin-bottom: var(--space-3);
  font-size: var(--text-2xl);
  line-height: 1.2;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.feature-card,
.content-block,
.form-panel,
.summary-card,
.report-card,
.pattern-card,
.talking-points,
.disclosure,
.next-steps {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.feature-card {
  padding: var(--space-6);
}

.feature-card.is-disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.feature-card h3,
.report-card h3,
.pattern-card h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-xl);
}

.status-badge,
.severity-pill,
.diagnosis-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border-radius: 999px;
  padding: 0.22rem 0.6rem;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-badge {
  margin-bottom: var(--space-4);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.status-badge.soon {
  color: var(--color-text-secondary);
  background: #EEF2F7;
}

.content-block,
.form-panel,
.summary-card,
.talking-points,
.next-steps {
  padding: var(--space-6);
}

.education-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(260px, 0.42fr);
  gap: var(--space-6);
  align-items: start;
}

.comparison-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.comparison-list li {
  border-left: 4px solid var(--color-accent);
  padding: var(--space-3) var(--space-4);
  background: var(--color-accent-light);
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
}

.disclosure {
  margin-top: var(--space-12);
  padding: var(--space-6);
  background: #FBFCFE;
}

.disclosure h2,
.disclosure h3 {
  margin-bottom: var(--space-2);
  font-size: var(--text-lg);
}

.page-intro {
  padding: var(--space-12) 0 var(--space-6);
}

.form-layout {
  display: grid;
  gap: var(--space-6);
}

.method-toggle {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.method-option {
  display: grid;
  gap: var(--space-1);
  min-height: 82px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  background: #FBFCFE;
  color: var(--color-text-secondary);
  cursor: pointer;
}

.method-option:has(input:checked) {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-text-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.method-option input {
  position: absolute;
  opacity: 0;
}

.method-option strong {
  color: var(--color-text-primary);
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field.full {
  grid-column: 1 / -1;
}

label,
.field-label {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.78rem 0.85rem;
  background: var(--color-surface);
  color: var(--color-text-primary);
}

textarea {
  min-height: 240px;
  resize: vertical;
}

.context-panel textarea {
  min-height: 112px;
}

.mono-input {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.hint {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.context-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #FBFCFE;
}

.context-panel summary {
  padding: var(--space-4) var(--space-6);
  color: var(--color-text-primary);
  font-weight: var(--font-bold);
  cursor: pointer;
}

.context-inner {
  padding: 0 var(--space-6) var(--space-6);
}

.disclaimer-inline,
.form-error,
.interaction-callout {
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.disclaimer-inline {
  border: 1px solid rgba(217, 119, 6, 0.34);
  background: var(--color-warning-light);
  color: #7C2D12;
  font-weight: var(--font-semibold);
}

.form-error {
  border: 1px solid rgba(220, 38, 38, 0.28);
  background: var(--color-caution-light);
  color: #991B1B;
}

.submit-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.loading-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-secondary);
  font-weight: var(--font-semibold);
}

.spinner {
  width: 1.1rem;
  height: 1.1rem;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 999px;
  animation: spin 800ms linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.report-header {
  position: sticky;
  top: 69px;
  z-index: 9;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.report-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
}

.report-header h1 {
  margin: 0;
  font-size: var(--text-xl);
}

.generated-time {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.diagnosis-badge {
  color: #7C2D12;
  background: var(--color-warning-light);
  border: 1px solid rgba(217, 119, 6, 0.34);
}

.report-stack {
  display: grid;
  gap: var(--space-6);
  padding-top: var(--space-8);
}

.summary-card {
  display: grid;
  gap: var(--space-4);
}

.summary-card p {
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

.severity-pill.deficient,
.status-pill.deficient {
  color: #991B1B;
  background: var(--color-caution-light);
}

.severity-pill.borderline,
.status-pill.borderline {
  color: #92400E;
  background: var(--color-warning-light);
}

.severity-pill.adequate,
.status-pill.adequate {
  color: #065F46;
  background: var(--color-success-light);
}

.status-pill {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 0.35rem 0.7rem;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: capitalize;
}

.report-grid {
  display: grid;
  gap: var(--space-4);
}

.report-card,
.pattern-card {
  padding: var(--space-6);
}

.report-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.report-card dl {
  display: grid;
  gap: var(--space-4);
  margin: 0;
}

.report-card dt {
  color: var(--color-text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

.report-card dd {
  margin: var(--space-1) 0 0;
  color: var(--color-text-secondary);
}

.interaction-callout {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  border: 1px solid rgba(37, 99, 235, 0.24);
  background: var(--color-accent-light);
  color: #1E3A8A;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  margin: var(--space-4) 0 0;
  list-style: none;
}

.chip {
  display: inline-flex;
  max-width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 0.28rem 0.62rem;
  background: #FBFCFE;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  overflow-wrap: anywhere;
}

.adequate-details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.adequate-details summary {
  padding: var(--space-4) var(--space-6);
  font-weight: var(--font-bold);
  cursor: pointer;
}

.adequate-inner {
  padding: 0 var(--space-6) var(--space-6);
}

.talking-points ol {
  display: grid;
  gap: var(--space-3);
  padding: 0;
  margin: var(--space-4) 0 0;
  list-style: none;
}

.talking-points li {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: var(--space-3);
  align-items: start;
  color: var(--color-text-secondary);
}

.print-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 0.2rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.action-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: stretch;
}

.next-steps {
  grid-column: span 1;
}

.persistent-disclaimer {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

@media (max-width: 860px) {
  .hero-grid,
  .education-grid,
  .feature-grid,
  .action-row {
    grid-template-columns: 1fr;
  }

  .report-header {
    top: 0;
  }

  .report-header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--space-4) 0;
  }
}

@media (max-width: 520px) {
  .hero {
    padding: var(--space-12) 0 var(--space-8);
  }

  .method-toggle,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .content-block,
  .form-panel,
  .summary-card,
  .report-card,
  .pattern-card,
  .talking-points,
  .next-steps,
  .disclosure {
    padding: var(--space-4);
  }

  .context-panel summary,
  .context-inner {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .report-card-header,
  .submit-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media print {
  body {
    background: #fff;
    color: #000;
  }

  .site-header,
  .report-header,
  .action-row,
  .button,
  .button-secondary,
  .nav,
  .no-print {
    display: none !important;
  }

  .container {
    width: 100%;
  }

  .main-content,
  .report-stack {
    padding: 0;
  }

  .summary-card,
  .report-card,
  .pattern-card,
  .talking-points,
  .adequate-details,
  .persistent-disclaimer {
    break-inside: avoid;
    box-shadow: none;
    border-color: #808080;
  }

  .persistent-disclaimer {
    display: block;
    margin-top: 24px;
    padding: 16px;
    border: 2px solid #000;
    color: #000;
    font-size: 11pt;
  }
}