:root {
  --cor-primaria: #007bff;
  --cor-sucesso: #28a745;
  --cor-perigo: #dc3545;
  --cor-fundo: #f8f9fa;
  --cor-cartao: #ffffff;
  --cor-sombra: rgba(0,0,0,0.08);
  --cor-texto: #333;
  --cor-texto-claro: #6c757d;
  --borda-radius: 8px;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: var(--cor-fundo);
  color: var(--cor-texto);
}

header {
  background-color: var(--cor-cartao);
  padding: 15px 20px;
  box-shadow: 0 2px 4px var(--cor-sombra);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

header h1 {
  margin: 0;
  font-size: 1.5em;
  color: var(--cor-primaria);
}

/* Menu Principal */
.menu-principal {
  display: flex;
  gap: 15px;
  margin: 0 20px;
}
.menu-principal a {
  text-decoration: none;
  color: var(--cor-texto-claro);
  font-weight: bold;
  padding: 8px 12px;
  border-radius: 5px;
  transition: background-color 0.2s, color 0.2s;
}
.menu-principal a:hover {
  background-color: #f1f1f1;
  color: var(--cor-primaria);
}
.menu-principal a.active {
  background-color: var(--cor-primaria);
  color: white;
}


#auth { display: flex; align-items: center; }
#userInfo { display: flex; align-items: center; gap: 10px; }

/* LAYOUT GRID (Página Principal) */
#main-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 20px;
}

@media (min-width: 1024px) {
  #main-container {
    grid-template-columns: 1fr 1.5fr 1fr;
  }
}

/* LAYOUT PÁGINA ÚNICA (Ciclo e Revisões) */
.pagina-unica {
    padding: 20px;
    max-width: 900px;
    margin: auto;
}

section {
  background: var(--cor-cartao);
  padding: 20px;
  border-radius: var(--borda-radius);
  box-shadow: 0 2px 8px var(--cor-sombra);
  display: flex;
  flex-direction: column;
}

h2, h3, h4 {
  text-align: center;
  margin-top: 0;
  color: var(--cor-primaria);
}
section h2 {
  border-bottom: 2px solid #f0f0f0;
  padding-bottom: 10px;
}

button {
  margin: 5px; padding: 8px 14px; border: none;
  border-radius: 5px; cursor: pointer; background-color: var(--cor-primaria);
  color: white; font-weight: bold; transition: background-color 0.2s;
}
button:hover { filter: brightness(1.1); }

.btn-secundario {
  background-color: #f8f9fa;
  color: var(--cor-texto);
  border: 1px solid #dee2e6;
  width: auto;
  margin-top: 10px;
}
.btn-secundario:hover {
    background-color: #e9ecef;
}

.btn-cancelar { background-color: var(--cor-texto-claro); }
#salvar { background-color: var(--cor-sucesso); }
#btnLogout { background-color: var(--cor-perigo); }

input, select, textarea {
  margin: 5px 0; padding: 10px; width: 100%;
  box-sizing: border-box; border: 1px solid #ccc; border-radius: 5px;
}

.input-group { display: flex; gap: 10px; align-items: center; margin-bottom: 15px; }
.input-group input[type="color"] { padding: 0; width: 40px; height: 40px; min-width: 40px; }
.input-group button { flex-shrink: 0; }

ul { list-style: none; padding: 0; }
li {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px; border-bottom: 1px solid #eee; border-radius: 5px;
  margin-bottom: 5px; transition: background-color 0.2s;
}

#listaMaterias li { cursor: pointer; }
#listaMaterias li:hover { background-color: #f1f1f1; }
#listaMaterias li.selected { background-color: #e0f0ff; border-left: 4px solid var(--cor-primaria); font-weight: bold; }

.action-buttons button { padding: 4px 8px; margin-left: 5px; font-size: 16px; background-color: transparent; color: var(--cor-texto-claro); border: none; }
.action-buttons .btn-delete { color: var(--cor-perigo); }
.cor-tag { width: 15px; height: 15px; border-radius: 50%; margin-right: 10px; flex-shrink: 0; }
#cronometro { font-size: 3em; font-weight: bold; text-align: center; padding: 15px 0; color: #333; }
#cronometroManual { display: none; } /* Começa escondido */

.item-info { display: flex; flex-direction: column; flex-grow: 1; }
.item-info strong { font-size: 1.1em; }
.item-info small { color: var(--cor-texto-claro); font-size: 0.9em; }
.revisao-data { color: var(--cor-perigo); font-weight: bold; }
.btn-ver-mais { width: 100%; background-color: #e9ecef; color: var(--cor-texto); margin-top: 10px; }

/* Popups */
.popup {
  display: none;
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
}

.popup-conteudo {
  background: white; padding: 25px; border-radius: var(--borda-radius);
  width: 90%; max-width: 450px; display: flex; flex-direction: column; gap: 15px;
}
.questoes-box { display: flex; gap: 10px; }
.popup-botoes { display: flex; justify-content: flex-end; gap: 10px; }


/* Ciclo de Estudos */
#alertaCicloDoDia { background-color: #e0f7fa; color: #00796b; padding: 15px; border-radius: 8px; text-align: center; font-size: 1.1em; margin-bottom: 15px; font-weight: bold; }
#listaDiasCiclo li { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; }
.dia-label { font-weight: bold; min-width: 80px; }
.ciclo-inputs { display: flex; gap: 10px; flex-grow: 1; }
.ciclo-inputs select { flex: 1; }
.ciclo-inputs input { width: 70px; }
#btnSalvarCiclo { width: 100%; margin-top: 15px; background-color: var(--cor-sucesso); }

/* Gráfico */
#grafico-container { position: relative; max-width: 400px; margin: auto; aspect-ratio: 1 / 1; }

/* Resumo do Dia (Dashboard) */
#resumo-dia h4 { color: var(--cor-texto); border-bottom: 1px solid #eee; padding-bottom: 8px; margin-bottom: 10px;}
#info-ciclo-dia { text-align: center; font-size: 1.1em; }
#lista-revisoes-dia li { border: none; padding: 5px 0; }
/* =================================== */
/* ESTILOS PÁGINA CICLO DE ESTUDOS NOVA */
/* =================================== */

.pagina-unica-ciclo {
    padding: 20px;
    max-width: 1200px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#gerenciamento-rapido h2, #ciclo-de-estudos h2 {
    margin-bottom: 20px;
}

.gerenciamento-forms {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}
.gerenciamento-forms .input-group {
    flex: 1;
    min-width: 300px;
}

#containerDiasCiclo {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

.dia-ciclo-container {
    background-color: #fdfdfd;
    border: 1px solid #e9ecef;
    border-radius: var(--borda-radius);
    padding: 15px;
    display: flex;
    flex-direction: column;
}
.dia-ciclo-container h3 {
    text-align: left;
    color: var(--cor-texto);
    margin-bottom: 15px;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

.blocos-estudo-lista {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 15px;
    flex-grow: 1;
}

.bloco-estudo-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8f9fa;
    padding: 8px;
    border-radius: 5px;
}
.bloco-estudo-item select {
    margin: 0;
    padding: 8px;
    flex: 3; /* Matéria e Assunto ocupam mais espaço */
}
.bloco-estudo-item input {
    margin: 0;
    padding: 8px;
    width: 90px;
    flex: 1;
}
.bloco-estudo-item .btn-remover-bloco {
    padding: 6px 10px;
    background-color: transparent;
    color: var(--cor-perigo);
    font-size: 1.2em;
    margin: 0;
}
.btn-adicionar-bloco {
    background-color: #e9ecef;
    color: var(--cor-texto);
    padding: 10px;
    border: 1px dashed #ced4da;
}
#btnSalvarCiclo {
    margin-top: 20px;
    background-color: var(--cor-sucesso);
    padding: 15px;
    font-size: 1.1em;
}