/* ==========================================================================
   Calculadora do Ciclo Menstrual — estilos
   Identidade: saúde/clínica moderna, azul-petróleo + rosa (ciclo/menstrual),
   cartão flutuante com sombra suave, calendário com destaque do período
   ========================================================================== */
:root {
  --primaria: #015d81;
  --primaria-escura: #01415c;
  --primaria-clara: #e6f3f8;
  --rosa: #e0507a;
  --rosa-escuro: #c23a63;
  --rosa-claro: #ffe3ea;
  --texto-principal: #0f2733;
  --texto-secundario: #5b7480;
  --borda: #dde5ea;
  --fundo-secao: #f6fafb;
  --fundo-card: #ffffff;
  --sombra-card: 0 20px 45px -22px rgba(225, 238, 244, 0.28);
  --sombra-suave: 0 4px 14px -6px rgba(1, 65, 92, 0.14);
  --raio-sm: 10px;
  --raio-md: 16px;
  --raio-lg: 22px;
}

/* ======= CARTÃO PRINCIPAL ======= */
.carda {
  position: relative;
  width: 100%;
  margin: 32px auto 20px;
  padding: 40px 32px 32px;
  background: var(--fundo-card);
  border-radius: var(--raio-lg);
  box-shadow: var(--sombra-card);
  font-family: 'Rubik', Helvetica, Arial, sans-serif;
  color: var(--texto-principal);
  overflow: hidden;
}

/* faixa decorativa superior */
.carda::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--primaria), var(--rosa));
}

/* selo decorativo */
.carda::after {
  content: "🩸";
  position: absolute;
  top: 20px;
  right: 28px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--rosa);
  background: var(--rosa-claro);
  border-radius: 50%;
}

.carda h2 {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--texto-principal);
  margin-bottom: 22px;
  padding-right: 54px;
  text-align: left !important;
}

.carda h2::after {
  content: "";
  display: block;
  width: 42px;
  height: 4px;
  margin-top: 10px;
  border-radius: 999px;
  background: var(--rosa);
}

/* ======= INPUTS ======= */
.carda label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--texto-secundario);
  margin-top: 18px;
  margin-bottom: 6px;
  display: block;
}

.carda label:first-of-type {
  margin-top: 0;
}

.carda input,
.carda select {
  width: 100%;
  padding: 12px 14px;
  margin-top: 6px;
  border-radius: var(--raio-sm);
  border: 1.5px solid var(--borda);
  background: var(--fundo-secao);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--texto-principal);
  font-family: inherit;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.carda select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9' fill='none'><path d='M1 1L7 7L13 1' stroke='%235b7480' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}

.carda input:hover,
.carda select:hover {
  border-color: #b7cdd6;
}

.carda input:focus,
.carda select:focus {
  outline: none;
  border-color: var(--primaria);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(1, 93, 129, 0.14);
}

/* ======= BOTÃO CALCULAR ======= */
.carda .flex.justify-center {
  justify-content: center;
  margin-top: 24px;
}

.carda button {
  background: linear-gradient(135deg, var(--primaria), var(--primaria-escura)) !important;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  box-shadow: var(--sombra-suave);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease, opacity .18s ease !important;
}

.carda button:active {
  transform: translateY(0);
  filter: brightness(0.95);
}

/* ======= RESULTADO ======= */
.result {
  background: var(--fundo-secao);
  width: 100%;
  border-radius: var(--raio-md);
  padding: 20px 18px;
  display: none;
  margin-top: 20px;
  border: 1px solid var(--borda);
  animation: entrar .4s ease both;
}

@keyframes entrar {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.result h3 {
  font-family: 'Rubik', Helvetica, Arial, sans-serif;
  font-weight: 600;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.4;
  margin: 0 0 10px;
  padding: 0;
  color: var(--rosa-escuro);
  text-align: center;
}

.result {
  text-align: center;
  font-size: 1.15rem;
  color: var(--primaria-escura);
  margin-top: 10px;
}

.result p {
  font-weight: 400;
}

/* ======= CALENDÁRIO ======= */
.calendar {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--borda);
}

.calendar-header {
  font-family: 'Rubik', Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  text-transform: capitalize;
  align-items: center;
  color: var(--primaria-escura);
  text-align: center;
  margin-bottom: 12px;
}

.days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.day {
  text-align: center;
  padding: 10px 0;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid var(--borda);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--texto-secundario);
  font-variant-numeric: tabular-nums;
  transition: transform .15s ease;
}

/* ======= DIA MENSTRUAL ======= */
.menstrual {
  background: var(--rosa-claro);
  border-color: #f6b9cd;
  color: var(--rosa-escuro);
  position: relative;
  font-weight: 800;
}

.menstrual::after {
  content: "🩸";
  position: absolute;
  bottom: 1px;
  right: 3px;
  font-size: 9px;
}

/* ======= RESPONSIVO ======= */
@media (max-width: 520px) {
  .carda {
    margin: 0;
    border-radius: 10px;
    padding: 30px 20px 24px;
    max-width: 100%;
  }

  .days {
    gap: 4px;
  }

  .day {
    font-size: 0.72rem;
    padding: 8px 0;
  }
}

/* ======= ACESSIBILIDADE ======= */
.carda button:focus-visible,
.carda input:focus-visible,
.carda select:focus-visible {
  outline: 3px solid var(--primaria);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .result {
    animation: none !important;
    transition: none !important;
  }

  .carda button {
    transition: none !important;
  }
}