/* style.css - Versão Glassmorphism Poética */

/* Importando Fontes */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&family=Inter:wght@300;400&display=swap');

:root {
    /* Tipografia */
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Inter', sans-serif;
    
    /* Paleta "Farol na Noite" */
    --bg-deep: #0C141C;       /* Fundo Profundo */
    
    /* Variáveis de Vidro (Glassmorphism) */
    --glass-bg: rgba(20, 30, 40, 0.25); /* Fundo muito sutil */
    --glass-border: rgba(255, 255, 255, 0.08); /* Borda quase invisível */
    --glass-highlight: rgba(255, 255, 255, 0.15); /* Brilho no hover */
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3); /* Sombra profunda */
    
    --text-main: #EAEAEA;     /* Texto Principal */
    --text-muted: #6B7E7C;    /* Texto Secundário */
    --accent: #4E91A5;        /* Azul Munsell */
    --accent-subtle: #2c4a54; 
    --gold: #D4AF37;          /* Dourado */
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-deep);
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

/* --- ESTRUTURA DE FUNDO --- */
.background-container {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; z-index: -2;
}
.background-image {
    width: 100%; height: 100%; object-fit: cover;
    /* Sepia e baixo brilho para o tom Noir */
    filter: brightness(0.3) contrast(1.1) sepia(20%); 
}
.overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    /* Vinheta suave */
    background: radial-gradient(circle at center, transparent 0%, var(--bg-deep) 90%);
    z-index: -1;
}

/* --- CABEÇALHO --- */
.main-header {
    padding: 30px 50px;
    display: flex; justify-content: flex-end;
    position: relative; z-index: 10;
}
.nav-item {
    font-family: var(--font-sans);
    font-size: 0.85em;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--text-muted);
    text-decoration: none;
    margin-left: 40px;
    transition: color 0.4s ease;
}
.nav-item:hover, .nav-item.active { color: var(--accent); }

/* --- CONTEÚDO --- */
.content-area {
    flex-grow: 1; padding: 40px 50px; position: relative; z-index: 1;
    max-width: 1200px; margin: 0 auto; width: 100%; box-sizing: border-box;
}

.hero-section { text-align: center; margin-bottom: 60px; }
.hero-title {
    font-family: var(--font-serif);
    font-size: 3.5em;
    font-weight: 300;
    font-style: italic;
    margin: 0;
    color: var(--text-main);
    letter-spacing: 1px;
}
.hero-subtitle {
    font-family: var(--font-sans);
    font-size: 0.9em;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    margin-top: 10px;
    opacity: 0.8;
}

/* ESTILOS DA HOME (Index) */
.intro-text {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}
.intro-text p {
    font-family: var(--font-serif);
    font-size: 1.8em;
    font-weight: 300;
    line-height: 1.4;
    font-style: italic;
    color: var(--text-main);
    opacity: 0.9;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* --- NAVEGAÇÃO INTERNA (ABAS) --- */
.internal-nav {
    display: flex; justify-content: center; gap: 40px;
    margin-bottom: 60px; border-bottom: 1px solid var(--glass-border);
    padding-bottom: 20px;
}
.tab-btn {
    background: none; border: none;
    font-family: var(--font-serif);
    font-size: 1.3em;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.4s ease;
    position: relative;
}
.tab-btn:hover { color: var(--text-main); }
.tab-btn.active-tab { color: var(--text-main); font-style: italic; }
.tab-btn.active-tab::after {
    content: ''; position: absolute; bottom: -21px; left: 0; width: 100%;
    height: 2px; background-color: var(--accent);
}

/* CONTEÚDO DAS ABAS */
.tab-content { display: none; animation: fadeUp 0.8s ease; }
.tab-content.active-content { display: block; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

/* --- O DIÁRIO (JOURNAL) --- */
.log-container { max-width: 700px; margin: 0 auto; }
.log-entry {
    margin-bottom: 60px; position: relative; padding-left: 30px;
    border-left: 1px solid var(--glass-border);
}
.log-date {
    font-family: var(--font-sans); font-size: 0.75em; letter-spacing: 1px;
    color: var(--accent); display: block; margin-bottom: 5px; text-transform: uppercase;
}
.log-content h3 {
    font-family: var(--font-serif); font-size: 1.8em; font-weight: 400;
    margin: 0 0 15px 0; color: var(--text-main);
}
.log-content p { color: #ccc; font-size: 1.05em; font-weight: 300; }

/* --- A BIBLIOTECA (LIBRARY) - GLASSMORPHISM --- */

/* Filtros */
.controls-wrapper { display: flex; justify-content: center; margin-bottom: 40px; }
#toggle-filter-btn {
    font-family: var(--font-sans); font-size: 0.8em; letter-spacing: 2px;
    color: var(--text-muted); background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 10px 20px; cursor: pointer; transition: 0.3s; border-radius: 20px;
    backdrop-filter: blur(5px); -webkit-backdrop-filter: blur(5px);
}
#toggle-filter-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--glass-highlight); }

.controls-container {
    /* Glassmorphism no painel de filtros */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    
    padding: 0 20px;
    max-height: 0; overflow: hidden; transition: all 0.5s ease;
    display: flex; flex-wrap: wrap; gap: 20px; justify-content: center;
    margin-top: 0;
}
.controls-container.is-open { max-height: 200px; padding: 20px; margin-top: 15px; }

.control-group select, .control-group input {
    background: transparent; border: none; border-bottom: 1px solid var(--text-muted);
    color: var(--text-main); font-family: var(--font-serif); font-size: 1em; padding: 5px;
    min-width: 150px;
}
.control-group select:focus { outline: none; border-bottom-color: var(--accent); }
.control-group option { background: var(--bg-deep); color: var(--text-main); }

/* Seções */
.book-section h2 {
    font-family: var(--font-serif); font-size: 1.5em; font-weight: 300; font-style: italic;
    color: var(--text-muted); border-bottom: 1px solid var(--glass-border);
    padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px;
}

.book-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 30px;
}

/* --- O CARD COM EFEITO DE VIDRO --- */
.book-card {
    /* Glassmorphism Effect */
    background: var(--glass-bg);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    
    padding: 25px; 
    border-radius: 8px; 
    display: flex; 
    flex-direction: column; 
    transition: transform 0.4s ease, border-color 0.4s ease, background 0.4s ease;
}

.book-card:hover {
    transform: translateY(-5px);
    background: var(--glass-highlight); /* Um pouco mais claro no hover */
    border-color: var(--accent-subtle);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4);
}

.book-title {
    font-family: var(--font-serif); font-size: 1.3em; line-height: 1.2;
    margin: 0 0 5px 0; color: var(--text-main);
}
.book-author {
    font-family: var(--font-sans); font-size: 0.8em; letter-spacing: 1px;
    text-transform: uppercase; color: var(--text-muted); margin-bottom: 15px;
}
.card-footer {
    margin-top: auto; padding-top: 15px; display: flex; justify-content: space-between; align-items: center;
    border-top: 1px solid rgba(255,255,255,0.03); /* Linha muito sutil separando o footer */
}

/* Tags */
.tags { display: flex; gap: 8px; }
.tag { padding: 2px 0; color: var(--text-muted); position: relative; font-size: 0.8em; }
.tag::after { content: '•'; margin-left: 8px; opacity: 0.5; }
.tag:last-child::after { content: ''; }

/* Cores de Status */
.status-lido { color: var(--accent); }
.status-lendo { color: var(--gold); }
.status-pendente { color: var(--text-muted); }

.book-rating { color: var(--gold); font-family: var(--font-serif); font-size: 1.1em; }

/* --- ESTATÍSTICAS --- */
.stats-overview { display: flex; justify-content: center; gap: 50px; margin-bottom: 50px; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-label { display: block; font-family: var(--font-sans); font-size: 0.75em; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; }
.stat-number { font-family: var(--font-serif); font-size: 3em; line-height: 1; color: var(--text-main); }

.chart-container {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: 40px;
}
.chart-wrapper {
    /* Também aplica Glassmorphism nos gráficos */
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 30px; 
    border-radius: 8px;
}
.chart-title {
    text-align: center; font-family: var(--font-serif); font-size: 1.2em; color: var(--text-muted); margin-bottom: 20px;
}

.main-footer {
    text-align: center; padding: 40px; font-family: var(--font-sans); font-size: 0.75em;
    letter-spacing: 1px; color: var(--text-muted); margin-top: auto; opacity: 0.6;
}