/**
 * questionnaire.css
 * ---------------------------------------------------------------------------
 * Design tokens (CSS custom properties) + component styles for the
 * questionnaire engine. Scoped under #dsa-questionnaire so it can be
 * safely dropped into an existing WordPress theme without leaking styles.
 *
 * No external fonts or icon sets — system font stacks and Unicode glyphs
 * only, per project requirements.
 * ---------------------------------------------------------------------------
 */

#dsa-questionnaire {
  /* ---------- Design tokens ------------------------------------------- */
  --qe-color-bg: #f6f7f9;
  --qe-color-surface: #ffffff;
  --qe-color-surface-sunken: #eef1f3;
  --qe-color-text: #1f2a30;
  --qe-color-text-muted: #5b6b73;
  --qe-color-border: #dde3e7;

  --qe-color-primary: #2d6e6e;
  --qe-color-primary-dark: #1f4f4f;
  --qe-color-primary-contrast: #ffffff;
  --qe-color-primary-soft: #dcece9;

  --qe-color-success: #3f8f5f;
  --qe-color-success-soft: #e2f2e7;
  --qe-color-warning: #c17a2e;
  --qe-color-warning-soft: #f7e9d7;
  --qe-color-danger: #b64a4a;
  --qe-color-danger-soft: #f5e1e1;

  --qe-radius-sm: 10px;
  --qe-radius-md: 16px;
  --qe-radius-lg: 22px;
  --qe-radius-pill: 999px;

  --qe-shadow-soft: 0 4px 20px rgba(31, 42, 48, 0.08);
  --qe-shadow-raised: 0 10px 30px rgba(31, 42, 48, 0.12);

  --qe-space-xs: clamp(0.35rem, 0.3rem + 0.2vw, 0.5rem);
  --qe-space-sm: clamp(0.6rem, 0.5rem + 0.4vw, 0.9rem);
  --qe-space-md: clamp(1rem, 0.85rem + 0.6vw, 1.5rem);
  --qe-space-lg: clamp(1.5rem, 1.2rem + 1.2vw, 2.5rem);
  --qe-space-xl: clamp(2.25rem, 1.8rem + 1.8vw, 3.5rem);

  --qe-font-display: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --qe-font-body: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --qe-font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', Consolas, monospace;

  --qe-max-width: 46rem;
  --qe-transition-fast: 150ms ease;
  --qe-transition-medium: 300ms cubic-bezier(0.22, 1, 0.36, 1);

  font-family: var(--qe-font-body);
  color: var(--qe-color-text);
  background: var(--qe-color-bg);
  border-radius: var(--qe-radius-lg);
  box-sizing: border-box;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

#dsa-questionnaire *,
#dsa-questionnaire *::before,
#dsa-questionnaire *::after {
  box-sizing: inherit;
}

/* ---------- Layout shell ------------------------------------------------ */

#dsa-questionnaire .qe-shell {
  max-width: var(--qe-max-width);
  margin: 0 auto;
  padding: var(--qe-space-lg) var(--qe-space-md) var(--qe-space-xl);
}

#dsa-questionnaire .qe-card {
  background: var(--qe-color-surface);
  border-radius: var(--qe-radius-lg);
  box-shadow: var(--qe-shadow-soft);
  padding: var(--qe-space-lg);
}

#dsa-questionnaire .qe-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

#dsa-questionnaire .qe-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10;
  background: var(--qe-color-primary);
  color: var(--qe-color-primary-contrast);
  padding: var(--qe-space-xs) var(--qe-space-sm);
  border-radius: var(--qe-radius-sm);
}

#dsa-questionnaire .qe-skip-link:focus {
  left: var(--qe-space-sm);
  top: var(--qe-space-sm);
}

/* ---------- Focus & motion ------------------------------------------- */

#dsa-questionnaire :focus {
  outline: none;
}

#dsa-questionnaire :focus-visible {
  outline: 3px solid var(--qe-color-primary);
  outline-offset: 2px;
  border-radius: var(--qe-radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  #dsa-questionnaire * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Intro screen ------------------------------------------------ */

#dsa-questionnaire .qe-intro h1 {
  font-family: var(--qe-font-display);
  font-size: clamp(1.5rem, 1.3rem + 1vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 var(--qe-space-xs);
  color: var(--qe-color-primary-dark);
}

#dsa-questionnaire .qe-intro .qe-subtitle {
  font-size: 1.05rem;
  color: var(--qe-color-text-muted);
  margin: 0 0 var(--qe-space-md);
}

#dsa-questionnaire .qe-intro .qe-instructions {
  margin: 0 0 var(--qe-space-md);
}

#dsa-questionnaire .qe-btn {
  font-family: var(--qe-font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--qe-radius-pill);
  padding: var(--qe-space-sm) var(--qe-space-lg);
  cursor: pointer;
  transition: transform var(--qe-transition-fast), box-shadow var(--qe-transition-fast), background var(--qe-transition-fast);
}

#dsa-questionnaire .qe-btn-primary {
  background: var(--qe-color-primary);
  color: var(--qe-color-primary-contrast);
  box-shadow: var(--qe-shadow-soft);
}

#dsa-questionnaire .qe-btn-primary:hover {
  background: var(--qe-color-primary-dark);
  transform: translateY(-1px);
}

#dsa-questionnaire .qe-btn-secondary {
  background: var(--qe-color-surface-sunken);
  color: var(--qe-color-text);
}

#dsa-questionnaire .qe-btn-secondary:hover {
  background: var(--qe-color-border);
}

#dsa-questionnaire .qe-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

#dsa-questionnaire .qe-intro-actions {
  display: flex;
  justify-content: flex-end;
}

/* ---------- Resume prompt ------------------------------------------------ */

#dsa-questionnaire .qe-resume-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--qe-space-sm);
  background: var(--qe-color-primary-soft);
  border-radius: var(--qe-radius-md);
  padding: var(--qe-space-sm) var(--qe-space-md);
  margin-bottom: var(--qe-space-md);
}

#dsa-questionnaire .qe-resume-banner p {
  margin: 0;
  color: var(--qe-color-primary-dark);
  font-weight: 500;
}

#dsa-questionnaire .qe-resume-actions {
  display: flex;
  gap: var(--qe-space-xs);
}

/* ---------- Sticky header ------------------------------------------------ */

#dsa-questionnaire .qe-sticky-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--qe-color-bg);
  padding-top: var(--qe-space-sm);
  padding-bottom: var(--qe-space-sm);
  margin-bottom: var(--qe-space-md);
}

#dsa-questionnaire .qe-progress-row {
  display: flex;
  align-items: center;
  gap: var(--qe-space-sm);
  margin-bottom: var(--qe-space-xs);
}

#dsa-questionnaire .qe-progress-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--qe-color-text-muted);
  white-space: nowrap;
}

#dsa-questionnaire .qe-progress-track {
  flex: 1;
  height: 8px;
  background: var(--qe-color-surface-sunken);
  border-radius: var(--qe-radius-pill);
  overflow: hidden;
}

#dsa-questionnaire .qe-progress-fill {
  height: 100%;
  background: var(--qe-color-primary);
  border-radius: var(--qe-radius-pill);
  transition: width var(--qe-transition-medium);
}

#dsa-questionnaire .qe-progress-percent {
  font-family: var(--qe-font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--qe-color-primary-dark);
  min-width: 2.6rem;
  text-align: right;
}

/* ---------- Question screen ------------------------------------------------ */

#dsa-questionnaire .qe-question fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

#dsa-questionnaire .qe-question legend {
  font-family: var(--qe-font-display);
  font-size: clamp(1.15rem, 1.05rem + 0.5vw, 1.4rem);
  font-weight: 600;
  line-height: 1.4;
  padding: 0;
  margin: 0 0 var(--qe-space-lg);
  color: var(--qe-color-text);
}

#dsa-questionnaire .qe-question-eyebrow {
  display: block;
  font-family: var(--qe-font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--qe-color-primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: var(--qe-space-xs);
}

/*
 * Signature element: each question's own answer statements, listed
 * vertically — one full-width, fully clickable row per statement. Replaces
 * the old shared numeric/frequency scale, since statements now differ per
 * question (and some questions, like sleep/appetite, offer more than four).
 */
#dsa-questionnaire .qe-answer-group {
  display: flex;
  flex-direction: column;
  gap: var(--qe-space-sm);
}

#dsa-questionnaire .qe-answer-option {
  width: 100%;
}

#dsa-questionnaire .qe-answer-option input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

#dsa-questionnaire .qe-answer-option label {
  display: flex;
  align-items: flex-start;
  gap: var(--qe-space-sm);
  width: 100%;
  box-sizing: border-box;
  padding: var(--qe-space-sm) var(--qe-space-md);
  border-radius: var(--qe-radius-md);
  border: 1px solid var(--qe-color-border);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--qe-transition-fast), background var(--qe-transition-fast), transform var(--qe-transition-fast);
}

#dsa-questionnaire .qe-answer-radio {
  flex-shrink: 0;
  width: 1.3rem;
  height: 1.3rem;
  margin-top: 0.15rem;
  border-radius: 50%;
  border: 2.5px solid var(--qe-color-primary);
  box-sizing: border-box;
  transition: background var(--qe-transition-fast), box-shadow var(--qe-transition-fast);
}

#dsa-questionnaire .qe-answer-option input:checked + label .qe-answer-radio {
  background: var(--qe-color-primary);
  box-shadow: inset 0 0 0 3px var(--qe-color-surface);
}

#dsa-questionnaire .qe-answer-text {
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--qe-color-text);
}

#dsa-questionnaire .qe-answer-option label:hover {
  border-color: var(--qe-color-primary);
  transform: translateY(-1px);
}

#dsa-questionnaire .qe-answer-option input:checked + label {
  border-color: var(--qe-color-primary);
  background: var(--qe-color-primary-soft);
}

#dsa-questionnaire .qe-answer-option input:focus-visible + label {
  outline: 3px solid var(--qe-color-primary);
  outline-offset: 2px;
}

#dsa-questionnaire .qe-nav-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--qe-space-sm);
  margin-top: var(--qe-space-lg);
}

/* ---------- Result screen ------------------------------------------------ */

#dsa-questionnaire .qe-result-header {
  text-align: center;
  margin-bottom: var(--qe-space-lg);
}

#dsa-questionnaire .qe-result-score {
  font-family: var(--qe-font-mono);
  font-size: clamp(3rem, 2.4rem + 3vw, 4.5rem);
  font-weight: 700;
  color: var(--qe-color-primary-dark);
  line-height: 1;
}

#dsa-questionnaire .qe-result-score sup {
  font-size: 0.4em;
  font-weight: 600;
}

#dsa-questionnaire .qe-result-category {
  font-family: var(--qe-font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin: var(--qe-space-xs) 0 0;
}

#dsa-questionnaire .qe-result-summary {
  color: var(--qe-color-text-muted);
  margin: var(--qe-space-xs) 0 0;
}

#dsa-questionnaire .qe-result-progress-track {
  height: 14px;
  background: var(--qe-color-surface-sunken);
  border-radius: var(--qe-radius-pill);
  overflow: hidden;
  margin: var(--qe-space-md) 0;
}

#dsa-questionnaire .qe-result-progress-fill {
  height: 100%;
  border-radius: var(--qe-radius-pill);
  transition: width 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

#dsa-questionnaire .qe-result-progress-fill[data-level='solid'] { background: var(--qe-color-success); }
#dsa-questionnaire .qe-result-progress-fill[data-level='warning'] { background: var(--qe-color-warning); }
#dsa-questionnaire .qe-result-progress-fill[data-level='moderate'] { background: var(--qe-color-warning); }
#dsa-questionnaire .qe-result-progress-fill[data-level='high'] { background: var(--qe-color-danger); }

#dsa-questionnaire .qe-dimension-grid {
  display: grid;
  gap: var(--qe-space-sm);
  margin: var(--qe-space-lg) 0;
}

#dsa-questionnaire .qe-dimension-card {
  border: 1px solid var(--qe-color-border);
  border-radius: var(--qe-radius-md);
  padding: var(--qe-space-sm) var(--qe-space-md);
}

#dsa-questionnaire .qe-dimension-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--qe-space-sm);
  margin-bottom: var(--qe-space-xs);
}

#dsa-questionnaire .qe-dimension-name {
  display: flex;
  align-items: center;
  gap: var(--qe-space-xs);
  font-weight: 600;
}

#dsa-questionnaire .qe-dimension-icon {
  font-size: 1.15rem;
}

#dsa-questionnaire .qe-dimension-percent {
  font-family: var(--qe-font-mono);
  font-weight: 700;
  color: var(--qe-color-text-muted);
}

#dsa-questionnaire .qe-dimension-track {
  height: 8px;
  background: var(--qe-color-surface-sunken);
  border-radius: var(--qe-radius-pill);
  overflow: hidden;
}

#dsa-questionnaire .qe-dimension-fill {
  height: 100%;
  background: var(--qe-color-primary);
  border-radius: var(--qe-radius-pill);
  transition: width 900ms cubic-bezier(0.22, 1, 0.36, 1);
}

#dsa-questionnaire .qe-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--qe-space-md);
  margin-bottom: var(--qe-space-lg);
}

@media (min-width: 640px) {
  #dsa-questionnaire .qe-columns {
    grid-template-columns: 1fr 1fr;
  }
}

#dsa-questionnaire .qe-list-card h3 {
  display: flex;
  align-items: center;
  gap: var(--qe-space-xs);
  font-size: 1rem;
  margin: 0 0 var(--qe-space-sm);
}

#dsa-questionnaire .qe-list-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--qe-space-xs);
}

#dsa-questionnaire .qe-list-card li {
  background: var(--qe-color-surface-sunken);
  border-radius: var(--qe-radius-sm);
  padding: var(--qe-space-xs) var(--qe-space-sm);
  font-size: 0.92rem;
}

#dsa-questionnaire .qe-strengths li { border-left: 3px solid var(--qe-color-success); }
#dsa-questionnaire .qe-areas li { border-left: 3px solid var(--qe-color-warning); }

#dsa-questionnaire .qe-interpretation,
#dsa-questionnaire .qe-about {
  border-top: 1px solid var(--qe-color-border);
  padding-top: var(--qe-space-md);
  margin-top: var(--qe-space-md);
}

#dsa-questionnaire .qe-interpretation h3,
#dsa-questionnaire .qe-about h3 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--qe-color-text-muted);
  margin: 0 0 var(--qe-space-xs);
}

#dsa-questionnaire .qe-about p {
  font-size: 0.9rem;
  color: var(--qe-color-text-muted);
}

#dsa-questionnaire .qe-restart-row {
  display: flex;
  justify-content: center;
  margin-top: var(--qe-space-lg);
}

/* ---------- Responsive tweaks ------------------------------------------------ */

@media (max-width: 480px) {
  #dsa-questionnaire .qe-answer-option label {
    padding: var(--qe-space-sm);
  }

  #dsa-questionnaire .qe-answer-text {
    font-size: 0.94rem;
  }

  #dsa-questionnaire .qe-nav-row {
    flex-wrap: wrap;
  }

  #dsa-questionnaire .qe-nav-row .qe-btn {
    flex: 1 1 auto;
  }
}