/* ═══════════════════════════════════════════════════════════════
   Survey TRH + Lipedema — CSS responsivo mobile-first
   ═══════════════════════════════════════════════════════════════ */

:root {
  --primary: #7B3FA0;
  --primary-dark: #5E2D7C;
  --primary-light: #F3E8FF;
  --accent: #C084FC;
  --text: #1F1F1F;
  --text-muted: #6B6B6B;
  --border: #E2E8F0;
  --bg: #F8F7FF;
  --card: #FFFFFF;
  --success: #16A34A;
  --warning: #D97706;
  --error: #DC2626;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(123,63,160,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ────────────────────────────────────────────────────── */
.survey-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.survey-header {
  background: var(--primary);
  padding: 14px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,.2);
}

.survey-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}
.logo-icon { font-size: 22px; }

.survey-main {
  flex: 1;
  max-width: 780px;
  margin: 0 auto;
  padding: 24px 16px 60px;
  width: 100%;
}

/* ── Progress bar ───────────────────────────────────────────────── */
.progress-bar-container {
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.progress-bar-track {
  flex: 1;
  height: 6px;
  background: rgba(255,255,255,.3);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: #C084FC;
  border-radius: 3px;
  transition: width .4s ease;
}
.progress-label { color: rgba(255,255,255,.85); font-size: 12px; white-space: nowrap; }

/* ── Sections ───────────────────────────────────────────────────── */
.survey-section { display: none; animation: fadeIn .3s ease; }
.survey-section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-hero {
  text-align: center;
  padding: 40px 0 32px;
}
.section-hero h1 { font-size: 28px; color: var(--primary); margin-bottom: 8px; }
.section-subtitle { color: var(--text-muted); font-size: 15px; }

.section-header {
  margin-bottom: 28px;
}
.section-number {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 6px;
}
.section-header h2 { font-size: 22px; color: var(--text); margin-bottom: 6px; }
.section-header p  { color: var(--text-muted); }

/* ── Cards ──────────────────────────────────────────────────────── */
.info-card, .consent-box, .email-resume-box,
.confirm-card, .error-card, .review-summary {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow);
}

.info-card h2 { font-size: 18px; margin-bottom: 12px; color: var(--primary); }
.info-card ul { padding-left: 20px; }
.info-card li { margin-bottom: 6px; }

/* ── Consent ────────────────────────────────────────────────────── */
.consent-box h3 { font-size: 16px; margin-bottom: 12px; }
.consent-text {
  background: var(--bg);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 16px;
  font-size: 14px;
  color: var(--text-muted);
}
.consent-text ul { padding-left: 18px; }
.consent-text li { margin-bottom: 4px; }
.consent-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  margin-bottom: 16px;
}
.consent-check input { flex-shrink: 0; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--primary); }

/* ── Form elements ──────────────────────────────────────────────── */
.form-group { margin-bottom: 28px; }
.form-group.required label::after { content: ''; }
.form-group > label {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text);
  line-height: 1.4;
}
.req { color: var(--error); }

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: 15px;
  color: var(--text);
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
  font-family: inherit;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(123,63,160,.12);
}
.form-input.short { width: 120px; }
.field-hint { font-size: 13px; color: var(--text-muted); margin-left: 8px; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 140px; }
.form-textarea { resize: vertical; min-height: 100px; }

/* ── Radio e Checkbox ───────────────────────────────────────────── */
.radio-list, .check-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.radio-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-option, .check-option {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all .15s;
  background: #fff;
}
.radio-option:hover, .check-option:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.radio-option input, .check-option input {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 1px;
  accent-color: var(--primary);
}
.radio-option input:checked ~ span,
.check-option input:checked ~ span {
  color: var(--primary);
  font-weight: 600;
}
.radio-option:has(input:checked),
.check-option:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-light);
}

.radio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 8px;
}
.radio-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  font-size: 13px;
  transition: all .15s;
  background: #fff;
  gap: 6px;
}
.radio-card:hover { border-color: var(--primary); background: var(--primary-light); }
.radio-card input { accent-color: var(--primary); }
.radio-card:has(input:checked) { border-color: var(--primary); background: var(--primary-light); font-weight: 600; }

/* ── VAS Slider ─────────────────────────────────────────────────── */
.vas-container { margin-top: 8px; }
.vas-slider {
  width: 100%;
  accent-color: var(--primary);
  height: 6px;
  margin-bottom: 8px;
}
.vas-labels {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}
.vas-current {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}

/* ── IMC display ────────────────────────────────────────────────── */
.bmi-display {
  background: var(--primary-light);
  border-left: 4px solid var(--primary);
  padding: 10px 14px;
  border-radius: 0 6px 6px 0;
  margin-bottom: 20px;
  font-size: 15px;
  color: var(--text-muted);
}

/* ── Email resume box ───────────────────────────────────────────── */
.email-resume-box {
  background: linear-gradient(135deg, #F3E8FF, #EDE9FE);
  border: 1.5px solid var(--accent);
  text-align: center;
  margin-top: 8px;
}
.email-resume-icon { font-size: 32px; margin-bottom: 8px; }
.email-resume-box h3 { color: var(--primary); margin-bottom: 6px; }
.email-resume-box p { color: var(--text-muted); font-size: 14px; margin-bottom: 12px; }
.email-resume-box .form-row { justify-content: center; }
.email-resume-box .form-input { max-width: 280px; }
.email-msg { font-size: 14px; margin-top: 8px; min-height: 20px; }
.email-msg.ok  { color: var(--success); }
.email-msg.err { color: var(--error); }
.email-note { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* ── Impact table (5.1) ─────────────────────────────────────────── */
.impact-table-wrapper, .qol-table-wrapper, .n2-table-wrapper { overflow-x: auto; }
.impact-table, .qol-table, .n2-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.impact-table th, .qol-table th, .n2-table th {
  background: var(--primary);
  color: #fff;
  padding: 10px 8px;
  text-align: center;
  font-weight: 600;
  white-space: nowrap;
}
.impact-table th:first-child, .qol-table th:first-child, .n2-table th:first-child {
  text-align: left;
}
.impact-table td, .qol-table td, .n2-table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
}
.impact-table tr:hover td, .qol-table tr:hover td, .n2-table tr:hover td {
  background: var(--primary-light);
}
.impact-cell, .qol-cell, .n2-cell { text-align: center; }
.impact-cell label, .qol-cell label, .n2-cell label { cursor: pointer; }
.impact-cell input, .qol-cell input, .n2-cell input {
  width: 18px; height: 18px; accent-color: var(--primary);
}

/* ── QoL total ──────────────────────────────────────────────────── */
.qol-total-display, .n2-score-display {
  margin-top: 12px;
  padding: 10px 16px;
  background: var(--primary-light);
  border-radius: 6px;
  font-size: 15px;
}
.n2-interpretation { margin-left: 12px; font-size: 13px; }
.n2-interp-low  { color: var(--success); }
.n2-interp-mid  { color: var(--warning); }
.n2-interp-high { color: var(--error); }

/* ── Subsection divider ─────────────────────────────────────────── */
.subsection-divider {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--primary);
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 8px;
  margin: 28px 0 20px;
}

/* ── Buttons ────────────────────────────────────────────────────── */
.btn-primary, .btn-outline, .btn-secondary, .btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all .2s;
  font-family: inherit;
  text-decoration: none;
}
.btn-primary  { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); transform: translateY(-1px); }
.btn-primary:disabled { background: #B39CD0; cursor: not-allowed; }
.btn-outline  { background: #fff; color: var(--primary); border: 1.5px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-secondary{ background: #fff; color: var(--primary); border: 1.5px solid var(--border); font-size: 14px; padding: 10px 18px; }
.btn-secondary:hover { border-color: var(--primary); background: var(--primary-light); }
.btn-submit   { background: var(--success); color: #fff; font-size: 17px; padding: 14px 32px; }
.btn-submit:hover { background: #15803D; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(22,163,74,.3); }
.submit-icon  { font-size: 20px; }

.section-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}

/* ── Review summary ─────────────────────────────────────────────── */
.review-summary { font-size: 14px; }
.review-section { margin-bottom: 16px; }
.review-section h4 { color: var(--primary); font-size: 13px; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.review-item { display: flex; gap: 8px; padding: 4px 0; border-bottom: 1px solid var(--border); }
.review-label { color: var(--text-muted); min-width: 180px; flex-shrink: 0; }
.review-value { color: var(--text); font-weight: 500; }
.review-loading { color: var(--text-muted); text-align: center; padding: 20px; }

.submit-disclaimer {
  font-size: 13px;
  color: var(--text-muted);
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 20px;
}

/* ── Confirm / Error ────────────────────────────────────────────── */
.confirm-card { text-align: center; max-width: 600px; margin: 40px auto; }
.confirm-icon {
  width: 80px; height: 80px;
  background: var(--success);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  margin: 0 auto 20px;
}
.confirm-card h1 { font-size: 26px; color: var(--text); margin-bottom: 8px; }
.confirm-subtitle { color: var(--text-muted); margin-bottom: 24px; }
.confirm-details { text-align: left; border-top: 1px solid var(--border); padding-top: 20px; margin: 20px 0; }
.confirm-details h3 { font-size: 16px; color: var(--primary); margin-bottom: 12px; }
.detail-row { display: flex; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border); }
.detail-label { color: var(--text-muted); min-width: 200px; flex-shrink: 0; font-size: 14px; }
.detail-value { font-weight: 600; font-size: 14px; }
.confirm-note { font-size: 13px; color: var(--text-muted); margin-top: 12px; }
.confirm-next h3 { font-size: 16px; margin-bottom: 8px; }
.share-buttons { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 12px; }
.btn-share {
  padding: 10px 20px; border-radius: 6px; font-weight: 600; cursor: pointer;
  font-size: 14px; border: none; text-decoration: none; display: inline-block;
}
.btn-share.whatsapp { background: #25D366; color: #fff; }
.btn-share.telegram { background: #2AABEE; color: #fff; }
.btn-share.copy { background: var(--primary); color: #fff; }

.error-card { text-align: center; max-width: 500px; margin: 60px auto; }
.error-icon { font-size: 48px; margin-bottom: 16px; }
.error-card h2 { color: var(--error); margin-bottom: 10px; }

/* ── Screening questions ─────────────────────────────────────────── */
.screening-q {
  background: #FAFAF9;
  border-left: 4px solid var(--accent);
  padding: 16px;
  border-radius: 0 8px 8px 0;
  margin-bottom: 20px;
}
.screening-q > label { font-size: 15px; }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 600px) {
  .section-hero h1 { font-size: 22px; }
  .section-header h2 { font-size: 19px; }
  .form-row { flex-direction: column; }
  .form-input.short { width: 100%; }
  .radio-grid { grid-template-columns: 1fr 1fr; }
  .impact-table th, .impact-table td { font-size: 12px; padding: 7px 4px; }
  .impact-table th:first-child { min-width: 100px; }
  .section-nav { flex-direction: column; gap: 10px; }
  .section-nav button { width: 100%; justify-content: center; }
  .detail-label { min-width: 130px; }
  .review-label { min-width: 130px; }
  .confirm-card { margin: 20px auto; }
}