/* --- VARIABLES EXISTENTES --- */
:root {
    --accent: #6366f1;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-sec: #64748b;
    --success: #22c55e;
    --fav-color: #ef4444;
    --fav-bg: #fff1f2;
    --fav-text: #be123c;
    --border: rgba(0,0,0,0.05); /* Nueva variable para bordes */
    --escala-texto: 1;
}

/* --- VARIABLES MODO OSCURO --- */
body.dark-mode {
    --bg: #0f172a;
    --card-bg: #1e293b;
    --text: #f1f5f9;
    --text-sec: #94a3b8;
    --border: rgba(255,255,255,0.1);
    --fav-bg: rgba(239, 68, 68, 0.15);
    --fav-text: #fca5a5;
}

/* Aplica la variable de borde a tus cards para que también cambien */
.card, .item-card, .stat-mini {
    border: 1px solid var(--border) !important;
}

    /* --- BASE --- */
    body {
        font-family: 'Inter', sans-serif;
        background: var(--bg);
        color: var(--text);
        margin: 0;
        padding: 20px;
        padding-bottom: 110px; /* Espacio para la nav-bar */
        line-height: 1.5;
        -webkit-tap-highlight-color: transparent;
    }

    #app { max-width: 500px; margin: 0 auto; }

    .vista { animation: fadeIn 0.3s ease; }
    @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

    /* --- TIPOGRAFÍA Y TEXTOS --- */
    .ref {
        font-weight: 700;
        color: var(--accent);
        text-transform: uppercase;
        font-size: 0.75rem;
        letter-spacing: 1px;
        margin-bottom: 12px;
        display: block;
    }

    .texto {
        font-family: 'Lora', serif;
        font-size: calc(1.25rem * var(--escala-texto));
        line-height: 1.4;
        margin-bottom: 20px;
    }

    /* --- LECTOR DE BIBLIA --- */
    .lectura-libro {
        background: var(--card-bg);
        padding: 30px 20px;
        border-radius: 24px;
        line-height: 2.2;
        font-family: 'Lora', serif;
        text-align: justify;
        font-size: calc(1rem * var(--escala-texto));
    }

    .v-num {
        font-weight: 700;
        color: var(--accent);
        font-size: 0.75rem;
        vertical-align: super;
        margin-right: 4px;
        cursor: pointer;
    }

    .v-texto-inline {
        margin-right: 8px;
        transition: all 0.3s;
        cursor: pointer;
        border-radius: 4px;
    }

    .v-texto-inline.leido { color: #94a3b8; }

    .v-texto-inline.favorito { 
        border-bottom: none !important; 
        background-color: var(--fav-bg); 
        color: var(--fav-text); 
        padding: 2px 4px;
        border-radius: 4px;
        font-weight: 500;
    }

    .btn-sec[onclick*="alternarFavorito"],
.btn-fav-active {
    border: none !important; 
    outline: none !important;
    box-shadow: none !important; /* Quitamos sombras si las hubiera */
}

    /* --- TARJETAS (CARDS) --- */
    .card {
        background: var(--card-bg);
        border-radius: 24px;
        padding: 25px;
        box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        margin-bottom: 20px;
        border: 1px solid rgba(0,0,0,0.03);
    }

    .item-card {
        background: var(--card-bg);
        padding: 20px;
        border-radius: 18px;
        margin-bottom: 12px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        cursor: pointer;
        border: 1px solid rgba(0,0,0,0.03);
        transition: transform 0.2s, box-shadow 0.2s;
    }

    .item-card:active { transform: scale(0.98); }

    /* Diferenciación de testamentos */
    .item-card.antiguo-testamento { border-left: 5px solid #64748b; }
    .item-card.nuevo-testamento { border-left: 5px solid var(--accent); }
    .fav-card { border-left: 5px solid var(--fav-color); }

    /* Encabezados automáticos de testamentos */
    .antiguo-testamento:first-child::before {
        content: "Antiguo Testamento";
        display: block; font-size: 0.7rem; font-weight: 800; color: var(--text-sec);
        margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px;
    }

    .nuevo-testamento:not(.nuevo-testamento + .nuevo-testamento)::before {
        content: "Nuevo Testamento";
        display: block; font-size: 0.7rem; font-weight: 800; color: var(--accent);
        margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px; margin-top: 10px;
    }

    /* --- BOTONES --- */
    .btn {
        background: var(--accent);
        color: white;
        border: none;
        padding: 14px 20px;
        border-radius: 14px;
        width: 100%;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        transition: background 0.2s;
    }

    .btn-sec { 
        background: #f1f5f9; 
        color: var(--text-sec); 
    }

    /* Estado activo para botón favorito en lectura aleatoria */
    .btn-fav-active {
        background: var(--fav-bg) !important;
        color: var(--fav-color) !important;
        
    }

    /* --- NAVEGACIÓN --- */
    .nav-bar {
        position: fixed;
        bottom: 20px; left: 15px; right: 15px;
        background: rgba(255,255,255,0.9);
        backdrop-filter: blur(15px);
        -webkit-backdrop-filter: blur(15px);
        border-radius: 22px;
        padding: 8px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 5px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        max-width: 480px;
        margin: 0 auto;
        z-index: 1000;
        border: 1px solid rgba(255,255,255,0.3);
    }

    .btn-nav {
        background: none; border: none;
        display: flex; flex-direction: column; align-items: center;
        gap: 4px; font-size: 0.6rem; font-weight: 700;
        color: var(--text-sec); cursor: pointer;
    }
    .btn-nav i { font-size: 1.2rem; color: var(--text); }

    /* --- ESTADÍSTICAS --- */
    .stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
    
    .stat-mini { 
        background: white; 
        padding: 15px; 
        border-radius: 20px; 
        text-align: center; 
        border: 1px solid rgba(0,0,0,0.03); 
    }

    .stat-value { font-size: 1.2rem; font-weight: 700; color: var(--accent); }
    
    .stat-label { 
        font-size: 0.65rem; 
        color: var(--text-sec); 
        text-transform: uppercase; 
        font-weight: 700; 
    }

    .progress-container { background: #f1f5f9; border-radius: 10px; height: 12px; margin: 15px 0; overflow: hidden; }
    .progress-bar { background: var(--accent); height: 100%; transition: width 0.5s ease; }
    
    .chart-container { position: relative; height: 300px; width: 100%; }

    .badge {
    color: white;
    padding: 4px 10px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 700;
    /* Eliminamos el background fijo de aquí para que mande el JS */
}

    /* --- MODAL (ACTION SHEET) --- */
    #modal {
        display: none;
        position: fixed;
        top: 0; left: 0;
        width: 100%; height: 100%;
        background: rgba(15, 23, 42, 0.6);
        backdrop-filter: blur(6px);
        overscroll-behavior: contain;
        z-index: 2000;
        align-items: flex-end;
        justify-content: center;
    }

    .modal-content {
        background: white;
        width: 100%;
        max-width: 500px;
        max-height: 85vh;
        overflow: hidden;
        border-radius: 32px 32px 0 0;
        padding: 24px 20px 40px 20px;
        box-shadow: 0 -10px 25px rgba(0,0,0,0.1);
        animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        display: flex;
        flex-direction: column;
    }

    @keyframes slideUp {
        from { transform: translateY(100%); }
        to { transform: translateY(0); }
    }

    #m-titulo {
        font-weight: 800;
        color: var(--text);
        text-align: center;
        font-size: 1.2rem;
        background: #f1f5f9;
        margin: -24px -20px 20px -20px;
        padding: 20px;
        border-radius: 32px 32px 0 0;
        border-bottom: 1px solid #e2e8f0;
    }

#m-lista {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
}

    .modal-item {
        padding: 18px;
        margin: 4px 0;
        border-radius: 16px;
        display: flex;
        align-items: center;
        gap: 15px;
        font-weight: 600;
        transition: background 0.2s;
        background: #f8fafc;
        color: var(--text);
        cursor: pointer;
        border: none;
    }

    .modal-item:active { background: #e2e8f0; transform: scale(0.98); }
    
    /* Último item (Cancelar) */
    .modal-item:last-child {
        margin-top: 10px;
        background: #fee2e2;
        color: #ef4444;
        justify-content: center;
    }

    /* Iconos dentro de modal */
    .modal-item i.fa-heart, .modal-item i.fa-star {
        color: var(--fav-color);
    }

    /* --- ACCESOS RÁPIDOS INICIO --- */
    #accesos-favoritos-inicio {
        margin-top: 10px;
        margin-bottom: 20px;
    }

    #accesos-favoritos-inicio .item-card {
        box-shadow: 0 4px 15px rgba(0,0,0,0.04);
        border: 1px solid rgba(0,0,0,0.02);
        margin-bottom: 12px;
    }

    #accesos-favoritos-inicio .ref {
        padding: 0 5px;
        color: var(--text-sec);
        font-size: 0.7rem;
    }

    /* Colores de botones activos en la nav-bar */
.btn-nav.active-inicio i, .btn-nav.active-inicio { color: #3b82f6 !important; }
.btn-nav.active-libros i, .btn-nav.active-libros { color: #10b981 !important; }
.btn-nav.active-favoritos i, .btn-nav.active-favoritos { color: #ef4444 !important; }
.btn-nav.active-progreso i, .btn-nav.active-progreso { color: #f59e0b !important; }

/* Transición suave para el cambio de color */
.btn-nav {
    transition: color 0.3s ease;
}
.btn-nav i {
    transition: color 0.3s ease;
}

.oculto {
    display: none !important;
}

/* --- CONFIGURACIÓN DE COLORES ACTIVOS (Global) --- */
.btn-nav.active-inicio i, .btn-nav.active-inicio { color: #3b82f6 !important; }
.btn-nav.active-libros i, .btn-nav.active-libros { color: #10b981 !important; }
.btn-nav.active-favoritos i, .btn-nav.active-favoritos { color: #ef4444 !important; }
.btn-nav.active-progreso i, .btn-nav.active-progreso { color: #f59e0b !important; }

/* Transiciones para suavizar el cambio de modo */
.btn-nav, .btn-nav i {
    transition: color 0.3s ease;
}

.oculto {
    display: none !important;
}

/* --- ESTILOS GENERALES MODO OSCURO --- */
body.dark-mode .modal-content {
    background: var(--card-bg);
}

body.dark-mode .modal-item {
    color: var(--text);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

body.dark-mode .modal-item:active {
    background: var(--border);
}

body.dark-mode #m-titulo {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

body.dark-mode .progress-container {
    background: var(--bg);
}

body.dark-mode .modal-item:last-child {
    background: rgba(239, 68, 68, 0.2); /* Fondo rojo suave */
}

body.dark-mode input {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

body.dark-mode .stat-mini {
    background: var(--card-bg) !important;
    border-color: var(--border) !important;
}



body.dark-mode small, 
body.dark-mode .stat-label {
    color: var(--text-sec) !important;
}

/* --- ESTILOS PARA FAVORITOS EN INICIO (MODO OSCURO) --- */
body.dark-mode #accesos-favoritos-inicio .item-card {
    background: var(--card-bg) !important;
    border: 1px solid var(--border) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2) !important;
}

body.dark-mode #accesos-favoritos-inicio b {
    color: var(--text) !important;
}

body.dark-mode #accesos-favoritos-inicio small {
    color: var(--text-sec) !important;
}

body.dark-mode #accesos-favoritos-inicio .ref {
    color: var(--text) !important;
}

body.dark-mode #accesos-favoritos-inicio .fa-chevron-right {
    color: var(--text-sec) !important;
    opacity: 0.5;
}

body.dark-mode #accesos-favoritos-inicio .item-card:active {
    background: var(--bg) !important;
}

body.dark-mode .badge {
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* --- NAVEGACIÓN MODO OSCURO --- */
body.dark-mode .nav-bar {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
}

body.dark-mode .btn-nav {
    color: var(--text-sec);
}

/* Re-aseguramos colores en modo oscuro con tus códigos exactos */
body.dark-mode .btn-nav.active-inicio i, 
body.dark-mode .btn-nav.active-inicio { color: #3b82f6 !important; }

body.dark-mode .btn-nav.active-libros i, 
body.dark-mode .btn-nav.active-libros { color: #10b981 !important; }

body.dark-mode .btn-nav.active-favoritos i, 
body.dark-mode .btn-nav.active-favoritos { color: #ef4444 !important; }

body.dark-mode .btn-nav.active-progreso i, 
body.dark-mode .btn-nav.active-progreso { color: #f59e0b !important; }

.btn-mode {
    transition: transform 0.2s ease;
}
.btn-mode:active {
    transform: scale(0.9);
}

/* Estilo base del botón de modo */
.btn-mode {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--card-bg);
    color: var(--text);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.btn-mode:active {
    transform: scale(0.9);
}

/* Icono LUNA (Modo Claro) */
#dark-icon.fa-moon {
    color: #a855f7; /* Gris azulado */
    font-size: 1.3rem;
    transition: all 0.4s ease;
}

/* Icono SOL (Modo Oscuro) */
body.dark-mode #dark-icon.fa-sun {
    color: #fbbf24; /* Amarillo Sol */
    font-size: 1.4rem;
    filter: drop-shadow(0 0 5px rgba(251, 191, 36, 0.6));
    transition: all 0.4s ease;
}

/* --- BLOQUE DARK MODE COMPLETO --- */
body.dark-mode {
    --bg: #0f172a;
    --card-bg: #1e293b;
    --text: #f1f5f9;
    --text-sec: #94a3b8;
    --border: rgba(255,255,255,0.1);
}

body.dark-mode .btn-mode {
    background: #1e293b;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

/* Transición para todo el sitio */
body {
    transition: background 0.3s ease, color 0.3s ease;
}

/* --- NAVEGACIÓN DE CAPÍTULOS (MODO OSCURO) --- */
body.dark-mode .card[style*="background: white"] {
    background: var(--card-bg) !important;
    border: 1px solid var(--border) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3) !important;
}

body.dark-mode .card h3 {
    color: var(--text) !important;
}

/* Ajuste para los botones secundarios (Flechas) */
body.dark-mode .btn-sec {
    background: var(--bg) !important;
    color: var(--text) !important;
    border: 1px solid var(--border) !important;
}

/* El botón de marcar capítulo (verde) ya tiene fondo var(--success), 
   pero podemos darle un brillo extra para que resalte más en la oscuridad */
body.dark-mode button[style*="background: var(--success)"] {
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.3);
}

@keyframes fadeInPop {
    from { opacity: 0; transform: translate(-50%, 10px); }
    to { opacity: 1; transform: translate(-50%, 0); }
}