/* style.css - v4 (Com Estatísticas) */

:root {
    --bg-dark: #121212; 
    --bg-medium: #1E1E1E; 
    --text-light: #E0E0E0; 
    --text-muted: #888888; 
    --primary-accent: #ebebeb; 
    --secondary-accent: #0091ea;
    --border-dark: #333333; 
    --glass-effect-bg: rgba(30, 30, 30, 0.7); 
    --glass-effect-border: rgba(255, 255, 255, 0.1);
    --shadow-dark: 0 4px 12px rgba(0, 0, 0, 0.2); 
    --rating-color: #FFC107; 
    --status-andamento: #ffab00; 
    --status-pendente: #8C8C8C; 
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.site-header {
    background-color: var(--bg-medium);
    color: var(--primary-accent);
    padding: 2rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-dark);
    border-bottom: 1px solid var(--border-dark);
    position: relative; /* Para a navegação */
}

.site-header h1 {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0;
    letter-spacing: 2px;
}

/* NOVO: Navegação Estante / Stats */
.main-nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.nav-btn {
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-muted);
    background: none;
    border: none;
    padding: 8px 16px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.2s ease;
}

.nav-btn:hover {
    color: var(--text-light);
}

.nav-btn.is-active {
    color: var(--secondary-accent);
    border-bottom-color: var(--secondary-accent);
}

/* --- Controles de Filtro --- */
.controls-wrapper {
    background: var(--glass-effect-bg);
    backdrop-filter: blur(10px); 
    -webkit-backdrop-filter: blur(10px); 
    border-bottom: 1px solid var(--glass-effect-border);
    padding: 1rem 2rem; 
    box-shadow: var(--shadow-dark);
    position: sticky;
    top: 0;
    z-index: 10;
}

.filter-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

#toggle-filter-btn {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-accent);
    background-color: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    padding: 10px 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

#toggle-filter-btn:hover {
    border-color: var(--text-muted);
}

.arrow-icon {
    width: 0; 
    height: 0; 
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--primary-accent);
    transition: transform 0.3s ease;
}

#toggle-filter-btn.is-open .arrow-icon {
    transform: rotate(180deg);
}

.controls-container {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.controls-container.is-open {
    max-height: 500px; 
    padding-top: 1.5rem; 
}

.control-group {
    display: flex;
    flex-direction: column;
}

.control-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.control-group input[type="text"],
.control-group select {
    font-size: 0.95rem;
    padding: 10px 15px;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    background-color: var(--bg-medium);
    color: var(--text-light);
    min-width: 180px;
    appearance: none; 
    -webkit-appearance: none;
    -moz-appearance: none;
    cursor: pointer;
    transition: all 0.2s ease;
    height: 42px; 
}

.control-group input[type="text"]:focus,
.control-group select:focus {
    outline: none;
    border-color: var(--secondary-accent);
    box-shadow: 0 0 0 3px rgba(0, 145, 234, 0.3);
}

.control-group input[type="text"] {
    min-width: 280px;
}

.view-toggle {
    display: flex;
    border: 1px solid var(--border-dark);
    border-radius: 8px;
    overflow: hidden;
    height: 42px; 
}

.view-btn {
    font-size: 0.95rem;
    padding: 10px 12px;
    border: none;
    background-color: var(--bg-medium);
    color: var(--text-muted); 
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-btn:first-child {
    border-right: 1px solid var(--border-dark);
}

.view-btn.active {
    background-color: var(--secondary-accent);
    color: var(--bg-dark);
}

.view-btn:not(.active):hover {
    background-color: var(--border-dark);
    color: var(--text-light);
}

.view-btn svg {
    fill: currentColor;
}

/* --- Lógica de Páginas (Estante / Stats) --- */
main {
    max-width: 1400px;
    margin: 3rem auto;
    padding: 0 2rem;
}

.page-container {
    display: none; /* Escondido por padrão */
}

.page-container.is-active {
    display: block; /* Visível */
}

/* --- Seções de Livros --- */
.book-section {
    margin-bottom: 3rem;
}

.book-section h2 {
    font-size: 2rem;
    color: var(--primary-accent);
    border-bottom: 2px solid var(--secondary-accent);
    padding-bottom: 0.75rem;
    margin-top: 3rem;
    margin-bottom: 2rem;
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    letter-spacing: 1px;
}

/* ... (Estilos .book-grid, .book-card, .list-view, etc. - Sem mudanças) ... */
/* VISUALIZAÇÃO EM GRADE (Padrão) */
.grid-view .book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}
.year-group { margin-bottom: 3.5rem; }
.year-group-title { font-size: 2rem; color: var(--text-light); margin: 0 0 1.5rem 0; font-family: 'Poppins', sans-serif; font-weight: 700; border-left: 5px solid var(--primary-accent); padding-left: 1rem; letter-spacing: 0.8px; }
.month-group { margin-bottom: 2rem; }
.month-group-title { font-size: 1.3rem; font-weight: 700; text-transform: uppercase; color: var(--text-light); margin-bottom: 1.2rem; padding-left: 15px; border-left: 3px solid var(--border-dark); }
.book-card { background: var(--bg-medium); border-radius: 12px; box-shadow: var(--shadow-dark); padding: 1.5rem; display: flex; flex-direction: column; border: 1px solid var(--border-dark); transition: border-color 0.2s ease; }
.book-card:hover { border-color: var(--text-muted); }
.card-header { margin-bottom: 1rem; }
.book-title { font-size: 1.25rem; font-weight: 700; color: var(--text-light); margin: 0; line-height: 1.3; }
.book-author { font-size: 0.95rem; font-weight: 400; color: var(--text-muted); margin: 0.4rem 0 0 0; }
.card-body { font-size: 0.9rem; flex-grow: 1; margin-bottom: 1.2rem; }
.book-series { font-style: italic; color: var(--text-muted); margin-top: 0.5rem; font-size: 0.85rem; }
.card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; margin-top: auto; }
.book-rating { font-weight: 700; font-size: 1.1rem; color: var(--rating-color); display: flex; align-items: center; gap: 3px; white-space: nowrap; }
.book-rating::before { content: '★'; color: var(--rating-color); font-size: 1.3em; line-height: 1; }
.book-tags { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tag { font-size: 0.7rem; font-weight: 500; padding: 5px 12px; border-radius: 20px; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; white-space: nowrap; }
.tag.tag-genre { background-color: rgba(0, 145, 234, 0.15); color: var(--secondary-accent); }
.tag.tag-status-Lido { background-color: rgba(235, 235, 235, 0.1); color: var(--primary-accent); }
.tag.tag-status-EmAndamento { background-color: var(--status-andamento); color: var(--bg-dark); }
.tag.tag-status-Pendente { background-color: var(--status-pendente); color: white; }
.no-results { text-align: center; padding: 6rem; color: var(--text-muted); font-size: 1.2rem; background: var(--bg-medium); border-radius: 12px; box-shadow: var(--shadow-dark); margin-top: 3rem; }

/* Estilos da Visualização em Lista */
.list-view .book-grid,
.list-view .month-group .book-grid { display: flex; flex-direction: column; gap: 1rem; }
.list-view .book-card { flex-direction: row; align-items: center; padding: 1.25rem 1.5rem; max-width: 100%; }
.list-view .card-header { flex-grow: 1; margin-bottom: 0; margin-right: 1.5rem; }
.list-view .book-title { font-size: 1.1rem; }
.list-view .book-author { font-size: 0.9rem; }
.list-view .card-body { flex-grow: 0; flex-shrink: 0; margin-bottom: 0; margin-right: 1.5rem; width: 200px; }
.list-view .book-series { margin-top: 0; font-size: 0.8rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-view .card-footer { flex-shrink: 0; flex-direction: column; align-items: flex-end; gap: 0.5rem; min-width: 150px; }
.list-view .book-rating { font-size: 1rem; }

/* --- NOVO: Estilos das Estatísticas --- */

.stats-card-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.stat-card {
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow-dark);
    text-align: center;
}

.stat-card h4 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 0.75rem 0;
}

.stat-value {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-accent);
    line-height: 1;
}

.stats-chart-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.chart-card {
    background: var(--bg-medium);
    border: 1px solid var(--border-dark);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: var(--shadow-dark);
}

.chart-card h3 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--text-light);
    margin: 0 0 1.5rem 0;
    text-align: center;
}

/* Ajuste para o gráfico de pizza não ficar gigante */
#chart-genres {
    max-height: 400px;
    margin: 0 auto;
}

/* ... Responsividade ... */
@media (max-width: 900px) {
    .stats-chart-container {
        grid-template-columns: 1fr; /* Empilha os gráficos */
    }
}

@media (max-width: 768px) {
    .site-header h1 { font-size: 2rem; }
    .controls-wrapper { padding: 1rem 1rem; }
    .controls-container { flex-direction: column; align-items: stretch; gap: 1rem; }
    .control-group input[type="text"],
    .control-group select { min-width: unset; width: 100%; }
    main { padding: 0 1rem; }
    .book-section h2 { font-size: 1.7rem; }
    .year-group-title { font-size: 1.6rem; }
    .list-view .book-card { flex-wrap: wrap; padding: 1rem; }
    .list-view .card-header { width: 100%; margin-right: 0; margin-bottom: 0.75rem; }
    .list-view .card-body { width: 50%; margin-right: 0; }
    .list-view .card-footer { width: 50%; min-width: unset; align-items: flex-end; }
}