/* Reset básico */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f5f7fa;
  margin: 0;
  padding: 20px;
  color: #2e2e2e;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0px;
  padding: 10px;
}

header {
  text-align: center;
  margin-bottom: 10px;
}

h2 {
  font-weight: 700;
  font-size: 2rem;
  color: #222;
  letter-spacing: 0.04em;
  margin-top: 20px;
  margin-bottom: 10px;
}

/* Layout principal */
.content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}

/* Contêiner esquerdo - linhas e botão */
.container-esquerdo {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: center;
    align-content: flex-start;
}

#linhas {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 18px;
  width: 100%;
}

/* Cada linha */
.linha {
  position: relative;
  background: #fff;
  padding: 18px 24px;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  border: 1px solid #e1e4e8;
  transition: box-shadow 0.3s ease;
  margin-bottom: 10px;
}

.linha:hover {
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

/* Container para ida e volta lado a lado no desktop */
.item-linha {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: space-between;
}

/* Blocos de ida e volta */
.ida,
.volta {
  flex: 1 1 320px;
  min-width: 300px;
}

/* Labels e selects/inputs */
label {
  display: block;
  font-weight: 600;
  margin-bottom: 6px;
  color: #555;
  font-size: 0.95rem;
}

select,
input[type="date"] {
  width: 100%;
  padding: 10px 14px;
  margin-bottom: 14px;
  border: 1.8px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  background: #fafafa;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  box-shadow: inset 0 1px 3px rgb(0 0 0 / 0.06);
}

select:focus,
input[type="date"]:focus {
  outline: none;
  border-color: #4a90e2;
  box-shadow: 0 0 8px #4a90e2;
  background: #fff;
}

/* Dias da semana - flex para alinhar checkboxes */
.dias-semana,
.dias-semana-volta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  align-items: center;
  justify-content: center;
}

.dias-semana label,
.dias-semana-volta label {
  font-weight: 400;
  font-size: 0.9rem;
  cursor: pointer;
  user-select: none;
  color: #444;
  transition: color 0.2s ease;
}

.dias-semana label:hover,
.dias-semana-volta label:hover {
  color: #4a90e2;
}

.dias-semana input[type="checkbox"],
.dias-semana-volta input[type="checkbox"] {
  margin-right: 6px;
  cursor: pointer;
  width: 18px;
  height: 18px;
}

/* Checkbox volta */
.checkbox-volta {
  margin-right: 10px;
  cursor: pointer;
}

/* Botão adicionar linha */
#btn-adicionar-linha {
  padding: 14px 26px;
  background-color: #4a90e2;
  border: none;
  border-radius: 10px;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  cursor: pointer;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  align-self: flex-start;
  box-shadow: 0 4px 10px rgb(74 144 226 / 0.4);
}

#btn-adicionar-linha:hover,
#btn-adicionar-linha:focus {
  background-color: #357ab7;
  box-shadow: 0 6px 14px rgb(53 122 183 / 0.6);
  outline: none;
}

/* Info linha e resultado */
.info-linha {
  font-weight: 600;
  font-size: 1rem;
  margin-top: 10px;
  color: #333;
  letter-spacing: 0.02em;
}

.container-resultado-geral{
  align-items: center;
  justify-content: center;
  display: flex;
  width: 100%;
  padding: 0px;
  margin: 0px;
}

#resultado {
  position: relative;
  font-size: 1.6rem;
  font-weight: 900;
  width: max-content;
  color: #1a8f00; /* verde vibrante */
  background-color: #d8f3b2; /* verde claro suave */
  padding: 10px 20px;
  border-radius: 12px;
  text-align: center;
  margin: 5px 0;
  user-select: none;
}

/* Container direito - calendário lateral */
.container-direito {
  position: sticky;
  top: 20px; /* distância do topo da viewport para fixar */
  flex: 1;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgb(0 0 0 / 0.07);
  padding: 20px 25px;
  max-height: 80vh;
  overflow-y: auto;
  font-size: 0.95rem;
  /* position: sticky e top são as principais aqui */
}


.container-direito h3 {
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 1.25rem;
  color: #222;
  text-align: center;
  font-weight: 700;
}

#calendario-lateral-lista {
  list-style: none;
  padding-left: 0;
  margin: 0;
  color: #666;
  line-height: 1.5;
}

#calendario-lateral-lista li {
  padding: 8px 10px;
  border-bottom: 1px solid #e8e8e8;
  transition: background-color 0.2s ease;
}

#calendario-lateral-lista li:hover {
  background-color: #f0f4f9;
  cursor: default;
}

/* Responsividade */
@media (max-width: 900px) {
  .content {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .container-direito {
    max-height: none;
    margin-top: 36px;
  }

  .item-linha {
    flex-direction: column;
    gap: 18px;
  }

  .ida,
  .volta {
    min-width: 100%;
  }

  #btn-adicionar-linha {
    width: 100%;
  }
}

@media (max-width: 480px) {
  body {
    padding: 14px 12px;
  }

  label {
    font-size: 0.85rem;
  }

  select,
  input[type="date"] {
    font-size: 0.95rem;
    padding: 9px 12px;
  }

  #btn-adicionar-linha {
    font-size: 1.2rem;
    padding: 16px;
  }

  .dias-semana,
  .dias-semana-volta {
    gap: 8px;
  }
}

/* Calendário lateral detalhes */
#calendario-lateral-lista .data-titulo {
  font-weight: 700;
  margin-top: 20px;
  border-bottom: 2px solid #555;
  padding-bottom: 6px;
  color: #444;
}

#calendario-lateral-lista li.cor-ida {
  color: #2a7ae2; /* azul para Ida */
  font-weight: 600;
}

#calendario-lateral-lista li.cor-volta {
  color: #d94a4a; /* vermelho para Volta */
  font-weight: 600;
}