/* ============================================================
   BioCare Ocupacional — Bioimpedância App Styles
   Identity: Teal (#007B8A), Green (#5BAD6F), White, Light Gray
   ============================================================ */

/* ---- CUSTOM PROPERTIES ---- */
:root {
  --teal-dark:   #005f6b;
  --teal:        #007B8A;
  --teal-light:  #e0f4f6;
  --teal-mid:    #a8dde3;
  --green:       #5BAD6F;
  --green-dark:  #3d8a51;
  --green-light: #eaf6ed;
  --gray-900:    #1a202c;
  --gray-700:    #4a5568;
  --gray-500:    #718096;
  --gray-400:    #a0aec0;
  --gray-200:    #e2e8f0;
  --gray-100:    #f7fafc;
  --white:       #ffffff;

  /* Status colours */
  --status-below:  #FEF3C7; /* amber-100 */
  --status-below-text: #92400E;
  --status-below-border: #F59E0B;
  --status-in:     #D1FAE5; /* green-100 */
  --status-in-text: #065F46;
  --status-in-border: #10B981;
  --status-above:  #FED7AA; /* orange-100 */
  --status-above-text: #7C2D12;
  --status-above-border: #F97316;
  --status-alert:  #FEE2E2; /* red-100 */
  --status-alert-text: #7F1D1D;
  --status-alert-border: #EF4444;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,123,138,0.10);
  --shadow-lg: 0 8px 32px rgba(0,123,138,0.14);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 0.2s ease;
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: linear-gradient(135deg, #f0f9fb 0%, #f4faf5 50%, #f7fafc 100%);
  color: var(--gray-700);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- HEADER ---- */
.app-header {
  background: linear-gradient(135deg, var(--teal-dark) 0%, var(--teal) 50%, var(--green-dark) 100%);
  color: var(--white);
  padding: 24px 20px 28px;
  position: relative;
  overflow: hidden;
}

.app-header::before {
  content: '';
  position: absolute;
  top: -40px; right: -40px;
  width: 180px; height: 180px;
  background: rgba(255,255,255,0.06);
  border-radius: 50%;
}
.app-header::after {
  content: '';
  position: absolute;
  bottom: -30px; left: 30%;
  width: 120px; height: 120px;
  background: rgba(255,255,255,0.04);
  border-radius: 50%;
}

.header-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 18px;
  position: relative;
  z-index: 1;
}

.header-logo {
  width: 72px;
  height: 72px;
  object-fit: contain;
  background: var(--white);
  border-radius: 16px;
  padding: 6px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.18);
  flex-shrink: 0;
}

.header-text { flex: 1; }

.header-title {
  font-size: clamp(1.1rem, 4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.3px;
}

.header-subtitle {
  font-size: 0.9rem;
  opacity: 0.88;
  margin-top: 4px;
  font-weight: 400;
}

.header-subtitle i { margin-right: 6px; }

/* ---- MAIN CONTENT ---- */
.main-content {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

/* ---- FORM CARDS ---- */
.form-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 24px 20px;
  margin-bottom: 20px;
  border: 1px solid rgba(0,123,138,0.07);
  transition: box-shadow var(--transition);
}
.form-card:hover { box-shadow: var(--shadow-lg); }

/* ---- SECTION HEADER ---- */
.section-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--teal-light);
}

.section-icon {
  font-size: 1.8rem;
  color: var(--teal);
  flex-shrink: 0;
  margin-top: 2px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--teal-dark);
  line-height: 1.3;
}

.section-desc {
  font-size: 0.82rem;
  color: var(--gray-500);
  margin-top: 3px;
}

/* ---- FIELDS GRID (Participant section) ---- */
.fields-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.field-group { display: flex; flex-direction: column; gap: 6px; }

.field-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: 0.2px;
}

.required { color: var(--teal); }

.field-input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.field-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,123,138,0.12);
}

.field-input.has-error {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.10);
}

.field-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23718096' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* ---- SEX TOGGLE BUTTONS ---- */
.sex-btn-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.sex-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 10px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  color: var(--gray-500);
  font-size: 0.95rem;
  font-family: var(--font);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  -webkit-tap-highlight-color: transparent;
  outline: none;
  user-select: none;
}

.sex-btn i {
  font-size: 1.1rem;
}

.sex-btn:hover {
  border-color: var(--teal-mid);
  color: var(--teal);
  background: var(--teal-light);
}

/* Feminino selected */
.sex-btn[data-value="Feminino"].active {
  border-color: #ec4899;
  background: #fdf2f8;
  color: #be185d;
  box-shadow: 0 0 0 3px rgba(236,72,153,0.12);
}

/* Masculino selected */
.sex-btn[data-value="Masculino"].active {
  border-color: var(--teal);
  background: var(--teal-light);
  color: var(--teal-dark);
  box-shadow: 0 0 0 3px rgba(0,123,138,0.12);
}

.sex-btn.has-error-btn {
  border-color: #EF4444;
}

/* Input with icon */
.input-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-left {
  position: absolute;
  left: 13px;
  color: var(--teal);
  font-size: 1rem;
  pointer-events: none;
}

.has-icon-left { padding-left: 38px !important; }

.input-unit {
  position: absolute;
  right: 12px;
  font-size: 0.8rem;
  color: var(--gray-400);
  pointer-events: none;
  font-weight: 500;
}

.field-error {
  font-size: 0.78rem;
  color: #EF4444;
  font-weight: 500;
  min-height: 16px;
  display: block;
}

/* ---- BIO GRID ---- */
.bio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}

.bio-card {
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.bio-card:hover {
  border-color: var(--teal-mid);
  box-shadow: var(--shadow-sm);
}

.bio-card-highlight {
  background: linear-gradient(135deg, var(--teal-light) 0%, #f0fdf9 100%);
  border-color: var(--teal-mid);
}

.bio-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.bio-icon {
  color: var(--teal);
  font-size: 0.95rem;
}

.bio-label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--teal-dark);
  flex: 1;
}

.bio-unit-badge {
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 20px;
  border: 1px solid var(--teal-mid);
}

.bio-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.bio-input {
  width: 100%;
  padding: 11px 46px 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 1.1rem;
  font-weight: 600;
  font-family: var(--font);
  color: var(--gray-900);
  background: var(--white);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.bio-input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(0,123,138,0.12);
}

.bio-unit {
  position: absolute;
  right: 10px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--gray-400);
  pointer-events: none;
  white-space: nowrap;
}

.bio-info-text {
  font-size: 0.72rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: 5px;
}

.bio-info-imc {
  color: var(--teal);
  font-weight: 500;
}

/* ---- IMC STATUS (form) ---- */
.imc-status {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: var(--white);
  border: 1.5px solid var(--gray-200);
}

.imc-badge {
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
}

.imc-ref {
  font-size: 0.7rem;
  color: var(--gray-500);
}

/* IMC status colour variations */
.imc-status.below { background: var(--status-below); border-color: var(--status-below-border); }
.imc-status.below .imc-badge { color: var(--status-below-text); }

.imc-status.in    { background: var(--status-in); border-color: var(--status-in-border); }
.imc-status.in .imc-badge { color: var(--status-in-text); }

.imc-status.above { background: var(--status-above); border-color: var(--status-above-border); }
.imc-status.above .imc-badge { color: var(--status-above-text); }

.imc-status.alert { background: var(--status-alert); border-color: var(--status-alert-border); }
.imc-status.alert .imc-badge { color: var(--status-alert-text); }

/* ---- FINALIZE CARD ---- */
.finalize-card { background: linear-gradient(135deg, #f8fdfe 0%, #f4fdf6 100%); }

.disclaimer-box {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: rgba(0,123,138,0.06);
  border: 1px solid var(--teal-mid);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 20px;
  font-size: 0.83rem;
  color: var(--gray-700);
  line-height: 1.5;
}

.disclaimer-box i {
  color: var(--teal);
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

/* ---- LINK RESULT ---- */
.link-result {
  background: var(--green-light);
  border: 1.5px solid #86efac;
  border-radius: var(--radius-sm);
  padding: 16px;
  margin-bottom: 18px;
}

.link-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.link-box {
  display: flex;
  gap: 8px;
}

.link-input {
  flex: 1;
  padding: 10px 12px;
  border: 1.5px solid #86efac;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--gray-700);
  background: var(--white);
  outline: none;
  font-family: var(--font);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-copy {
  padding: 10px 14px;
  background: var(--green);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition);
}

.btn-copy:hover { background: var(--green-dark); }
.btn-copy:active { transform: scale(0.96); }

.copy-feedback {
  font-size: 0.78rem;
  color: var(--green-dark);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 6px;
}

/* Badge "Link encurtado" */
.link-short-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--teal-light);
  color: var(--teal-dark);
  border: 1px solid var(--teal-mid);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  margin-left: 4px;
}

/* Hint below link box */
.link-hint {
  font-size: 0.75rem;
  color: var(--green-dark);
  opacity: 0.75;
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* ---- FORM ERROR SUMMARY ---- */
.form-errors {
  background: #FEF2F2;
  border: 1.5px solid #FECACA;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 18px;
  color: #B91C1C;
  font-size: 0.83rem;
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.form-errors i { font-size: 1rem; margin-top: 2px; flex-shrink: 0; }

.form-errors ul { list-style: disc; padding-left: 16px; }
.form-errors li { margin-bottom: 3px; }

/* ---- BUTTONS ---- */
.btn-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 20px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.2px;
  width: 100%;
  -webkit-tap-highlight-color: transparent;
}

.btn:active { transform: scale(0.98); }

.btn-primary {
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(0,123,138,0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--teal-dark) 0%, #004d57 100%);
  box-shadow: 0 6px 18px rgba(0,123,138,0.4);
}

.btn-whatsapp {
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover {
  background: linear-gradient(135deg, #128C7E 0%, #075E54 100%);
  box-shadow: 0 6px 18px rgba(37,211,102,0.4);
}

.btn-outline {
  background: var(--white);
  color: var(--gray-700);
  border: 2px solid var(--gray-200);
}
.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: var(--teal-light);
}

.btn-pdf {
  background: linear-gradient(135deg, #E53E3E 0%, #C53030 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(229,62,62,0.25);
  max-width: 320px;
  margin: 0 auto;
}
.btn-pdf:hover {
  background: linear-gradient(135deg, #C53030 0%, #9B2C2C 100%);
}

/* ---- FOOTER ---- */
.app-footer {
  background: var(--gray-900);
  color: #cbd5e0;
  padding: 28px 20px;
  margin-top: 16px;
}

.footer-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.footer-logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: var(--white);
  border-radius: 12px;
  padding: 4px;
  flex-shrink: 0;
}

.footer-info { flex: 1; }

.footer-brand {
  font-weight: 700;
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 6px;
}

.footer-detail {
  font-size: 0.8rem;
  color: #a0aec0;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 7px;
}

.footer-detail i { color: var(--teal-mid); }
.footer-detail a { color: var(--teal-mid); }

.footer-slogan {
  font-size: 0.78rem;
  color: #718096;
  font-style: italic;
  margin-top: 8px;
}

/* =====================
   RESULT PAGE
   ===================== */

.result-page { background: linear-gradient(160deg, #f0f9fb 0%, #f7fdf8 100%); }

.result-header { padding-bottom: 28px; }

.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--gray-500);
  gap: 16px;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--teal-light);
  border-top-color: var(--teal);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.not-found-state {
  max-width: 400px;
  margin: 60px auto;
  text-align: center;
  color: var(--gray-500);
  padding: 40px 20px;
}

.not-found-icon { font-size: 3rem; color: var(--gray-400); margin-bottom: 16px; display: block; }

.not-found-state h2 {
  font-size: 1.2rem;
  color: var(--gray-700);
  margin-bottom: 8px;
}

/* ---- Participant info grid ---- */
.participant-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.info-label {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 5px;
}

.info-label i { color: var(--teal); }

.info-value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--gray-900);
}

/* ---- Results Table ---- */
.results-table {
  display: flex;
  flex-direction: column;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.results-row {
  display: grid;
  grid-template-columns: 2fr 1.2fr 2fr;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--gray-200);
  align-items: center;
  font-size: 0.88rem;
}

.results-row:last-child { border-bottom: none; }

.results-header-row {
  background: linear-gradient(90deg, var(--teal-dark), var(--teal));
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 11px 16px;
}

.results-row:nth-child(even):not(.results-header-row) {
  background: var(--gray-100);
}

.results-row-imc {
  background: linear-gradient(90deg, var(--teal-light), #f0fdf9) !important;
}

.result-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--gray-900);
}

.result-icon {
  color: var(--teal);
  font-size: 0.85rem;
}

.result-value {
  font-size: 1rem;
  font-weight: 700;
  color: var(--teal-dark);
}

.result-obs {
  font-size: 0.78rem;
  color: var(--gray-500);
}

.result-obs.informative {
  display: flex;
  align-items: center;
  gap: 5px;
}

.result-obs.informative i { color: var(--gray-400); }

/* IMC status in result page */
.imc-result-status {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.imc-result-badge {
  font-size: 0.82rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  width: fit-content;
}

.imc-result-ref {
  font-size: 0.72rem;
  color: var(--gray-400);
}

.badge-below  { background: var(--status-below);  color: var(--status-below-text);  border: 1px solid var(--status-below-border); }
.badge-in     { background: var(--status-in);     color: var(--status-in-text);     border: 1px solid var(--status-in-border); }
.badge-above  { background: var(--status-above);  color: var(--status-above-text);  border: 1px solid var(--status-above-border); }
.badge-alert  { background: var(--status-alert);  color: var(--status-alert-text);  border: 1px solid var(--status-alert-border); }

/* Disclaimer in result page */
.disclaimer-result { background: linear-gradient(135deg, #fffbeb 0%, #f0fdf9 100%); }

.disclaimer-full {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--gray-600, var(--gray-700));
  line-height: 1.6;
}

.disclaimer-icon {
  font-size: 1.4rem;
  color: var(--teal);
  flex-shrink: 0;
  margin-top: 2px;
}

/* PDF button wrapper */
.pdf-btn-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin: 4px 0 24px;
}

.pdf-hint {
  font-size: 0.75rem;
  color: var(--gray-400);
  text-align: center;
  max-width: 320px;
  line-height: 1.4;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 600px) {
  .header-logo { width: 58px; height: 58px; }
  .header-title { font-size: 1.05rem; }
  .header-inner { gap: 12px; }

  .fields-grid { grid-template-columns: 1fr; }
  .field-full { grid-column: auto; }

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

  .results-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .results-header-row {
    display: none;
  }
  .result-indicator { font-size: 0.85rem; }
  .result-value { font-size: 0.95rem; }

  .participant-info-grid { grid-template-columns: 1fr; }

  .footer-inner { flex-direction: column; gap: 12px; }
}

@media (max-width: 380px) {
  .bio-grid { grid-template-columns: 1fr; }
  .btn { font-size: 0.92rem; padding: 13px 16px; }
}

/* ---- PRINT / PDF OVERRIDES ---- */
@media print {
  .no-print { display: none !important; }
  .app-header { background: var(--teal) !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .form-card { box-shadow: none; border: 1px solid var(--gray-200); }
  body { background: white; }
  .app-footer { background: #1a202c !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}

/* ---- UTILITY ---- */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.result-card { margin-bottom: 16px; }