/* ============================================
   FETALMED — Calculadora Período Fértil CSS
   ============================================ */

/* === SELECT === */
.pf-select {
  width: 100%;
  padding: 13px 40px 13px 16px;
  font-size: 15px;
  font-family: var(--font-body, 'Poppins', sans-serif);
  font-weight: 300;
  color: var(--color-text-strong);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white, #fff);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  cursor: pointer;
  outline: none;
  transition: border-color .2s;
}

.pf-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14,116,144,.12);
}

/* === RESULTADO CARD === */
.pf-resultado-card {
  padding: 0;
  overflow: hidden;
}

.pf-resultado-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg, #f8fafc);
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-mid);
}

.pf-dados-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.pf-dado {
  padding: var(--space-md) var(--space-lg);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pf-dado:nth-child(3n) {
  border-right: none;
}

.pf-dado:nth-child(n+4) {
  border-bottom: none;
}

.pf-dado-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.pf-dado-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-strong);
}

/* === LEGENDA === */
.pf-legenda {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  padding: var(--space-md) 0;
  justify-content: center;
}

.pf-legenda-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-mid);
}

.pf-legenda-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: block;
}

.pf-legenda-dot.menstruacao {
  background: #fca5a5;
  border: 1px solid #ef4444;
}

.pf-legenda-dot.fertil {
  background: #f472b6;
  border: 1px solid #ec4899;
}

.pf-legenda-dot.ovulacao {
  background: #fbbf24;
  border: 1px solid #f59e0b;
}

.pf-legenda-tip {
  font-size: 11px;
  color: var(--color-text-light);
  width: 100%;
  text-align: center;
}

/* === CALENDÁRIO === */
.pf-calendario-card {
  padding: 0;
  overflow: hidden;
}

.pf-cal-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.pf-cal-titulo {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text-strong);
}

.pf-cal-nav-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--color-bg, #f8fafc);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-mid);
  transition: background .15s;
  padding: 0;
}

.pf-cal-nav-btn:hover {
  background: var(--color-border);
}

.pf-cal-nav-btn svg {
  width: 16px;
  height: 16px;
}

.pf-cal-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  background: var(--color-bg, #f8fafc);
  border-bottom: 1px solid var(--color-border);
}

.pf-cal-weekdays span {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--color-text-light);
  padding: 8px 0;
}

.pf-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
}

.pf-cal-day {
  position: relative;
  min-height: 56px;
  padding: 6px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.pf-cal-day:nth-child(7n) {
  border-right: none;
}

.pf-cal-day.empty {
  background: var(--color-bg, #f8fafc);
}

.pf-cal-num {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-mid);
}

.pf-cal-icon {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 14px;
  line-height: 1;
}

/* Menstruação */
.pf-cal-day.menstruacao {
  background: #fff1f2;
}
.pf-cal-day.menstruacao .pf-cal-num {
  color: #be123c;
  font-weight: 600;
}

/* Ovulação */
.pf-cal-day.ovulacao {
  background: #fef9c3;
}
.pf-cal-day.ovulacao .pf-cal-num {
  color: #a16207;
  font-weight: 700;
}

/* Período fértil — gradiente de intensidade */
.pf-cal-day.fertil {
  background: #fce7f3;
}
.pf-cal-day.fertil-alta {
  background: #fbcfe8;
}
.pf-cal-day.fertil-media {
  background: #fce7f3;
}
.pf-cal-day.fertil-baixa {
  background: #fdf2f8;
}
.pf-cal-day.fertil .pf-cal-num {
  color: #be185d;
  font-weight: 600;
}

/* Hoje */
.pf-cal-day.hoje .pf-cal-num {
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

/* === TABELA PRÓXIMOS CICLOS === */
.pf-ciclos-card {
  padding: 0;
  overflow: hidden;
}

.pf-ciclos-header {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg, #f8fafc);
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-mid);
}

.pf-ciclos-table-wrap {
  overflow-x: auto;
}

.pf-ciclos-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.pf-ciclos-table th {
  text-align: left;
  padding: 10px var(--space-lg);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--color-text-light);
  border-bottom: 1px solid var(--color-border);
}

.pf-ciclos-table td {
  padding: 10px var(--space-lg);
  color: var(--color-text-mid);
  border-bottom: 1px solid var(--color-border);
}

.pf-ciclos-table tbody tr:last-child td {
  border-bottom: none;
}

.pf-ciclos-table tbody tr:nth-child(even) {
  background: var(--color-bg, #f8fafc);
}

/* === GRÁFICO DE FERTILIDADE === */
.pf-chart-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin: var(--space-lg) 0;
}

.pf-chart-title {
  padding: var(--space-md) var(--space-lg);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-mid);
  background: var(--color-bg, #f8fafc);
  border-bottom: 1px solid var(--color-border);
}

.pf-chart {
  padding: var(--space-xl) var(--space-lg) var(--space-md);
}

.pf-chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  height: 200px;
  padding-bottom: 8px;
}

.pf-bar-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.pf-bar-value {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text-strong);
  margin-bottom: 6px;
  min-height: 16px;
}

.pf-bar-track {
  flex: 1;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.pf-bar-fill {
  width: 100%;
  max-width: 48px;
  border-radius: 6px 6px 0 0;
  transition: height .6s ease;
  min-height: 2px;
}

/* Intensidade por cor */
.pf-bar-fill[data-intensity="0"] { background: #fce7f3; }
.pf-bar-fill[data-intensity="1"] { background: linear-gradient(180deg, #f9a8d4, #fbcfe8); }
.pf-bar-fill[data-intensity="2"] { background: linear-gradient(180deg, #ec4899, #f472b6); }
.pf-bar-fill[data-intensity="3"] { background: linear-gradient(180deg, #db2777, #ec4899); }
.pf-bar-fill[data-intensity="4"] { background: linear-gradient(180deg, #be185d, #db2777); }

.pf-bar-label {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-mid);
  text-align: center;
  line-height: 1.2;
}

.pf-bar-sublabel {
  display: block;
  font-size: 9px;
  font-weight: 500;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: .04em;
}

.ovulacao-col .pf-bar-label {
  color: var(--color-primary);
  font-weight: 700;
}

.pf-chart-xaxis {
  text-align: center;
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-light);
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.pf-chart-insight {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, #fdf2f8, #fce7f3);
  border-top: 1px solid var(--color-border);
}

.pf-chart-insight p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-mid);
  margin: 0;
}

.pf-chart-ref {
  padding: var(--space-sm) var(--space-lg);
  font-size: 11px;
  color: var(--color-text-light);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg, #f8fafc);
}

.pf-chart-ref em { font-style: italic; }

@media (max-width: 480px) {
  .pf-chart-bars { height: 160px; gap: 4px; }
  .pf-bar-value { font-size: 10px; }
  .pf-bar-label { font-size: 11px; }
}

/* === CONTEÚDO TEXTUAL === */
.pf-content {
  margin-top: var(--space-2xl);
}

.pf-content .ct-section {
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.pf-content .ct-section:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.pf-content h2 {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text-strong);
  margin: 0 0 var(--space-md);
  line-height: 1.35;
}

.pf-content p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text-mid);
  margin-bottom: var(--space-md);
}

.pf-content p:last-child {
  margin-bottom: 0;
}

.pf-content a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.pf-content a:hover {
  text-decoration: underline;
}

/* Sinais de ovulação grid */
.pf-sinais-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.pf-sinal {
  padding: var(--space-md);
  background: var(--color-bg, #f8fafc);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.pf-sinal-titulo {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-strong);
  margin-bottom: 4px;
}

.pf-sinal p {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-mid);
  margin: 0;
}

/* Exemplos de ciclo */
.pf-exemplos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: var(--space-lg) 0;
}

.pf-exemplo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 12px 8px;
  background: var(--color-bg, #f8fafc);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  text-align: center;
}

.pf-exemplo-ciclo {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary);
}

.pf-exemplo-valor {
  font-size: 11px;
  color: var(--color-text-light);
}

/* Passos */
.pf-passos {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.pf-passo {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px var(--space-md);
  background: var(--color-bg, #f8fafc);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.pf-passo-num {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
}

.pf-passo p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-mid);
  margin: 0;
}

/* === RESPONSIVO === */
@media (max-width: 640px) {
  .pf-sinais-grid { grid-template-columns: 1fr; }
  .pf-exemplos-grid { grid-template-columns: repeat(2, 1fr); }
  .pf-dados-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .pf-dado:nth-child(3n) { border-right: 1px solid var(--color-border); }
  .pf-dado:nth-child(2n) { border-right: none; }
  .pf-dado:nth-child(n+5) { border-bottom: none; }
  .pf-dado:nth-child(5), .pf-dado:nth-child(6) { border-bottom: none; }

  .pf-cal-day { min-height: 48px; padding: 4px; }
  .pf-cal-num { font-size: 12px; }
  .pf-cal-icon { font-size: 12px; }
}

@media (max-width: 480px) {
  .pf-dados-grid {
    grid-template-columns: 1fr;
  }
  .pf-dado { border-right: none !important; border-bottom: 1px solid var(--color-border) !important; }
  .pf-dado:last-child { border-bottom: none !important; }
  .pf-dado-value { font-size: 13px; }
}