:root {
    /* Tema Claro (Día) */
    --bg-color: #F8F9FA;
    --text-color: #2C3E50;
    --accent-color: #2980B9;
    --sidebar-bg: #FFFFFF;
    --card-bg: #FFFFFF;
    --border-color: #E0E0E0;
    --input-bg: #FFFFFF;
    --shadow: 0 4px 6px rgba(0,0,0,0.05);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    /* Tema Oscuro (Noche) */
    --bg-color: #121212;
    --text-color: #E0E0E0;
    --accent-color: #3498DB;
    --sidebar-bg: #1E1E1E;
    --card-bg: #1E1E1E;
    --border-color: #333333;
    --input-bg: #2C2C2C;
    --shadow: 0 4px 6px rgba(0,0,0,0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: var(--transition);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Layout Principal */
.app-container {
    display: flex;
    flex: 1;
    position: relative;
    overflow-x: hidden;
}

/* Sidebar Izquierda (Menú) */
.sidebar-left {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    height: 100vh;
    position: sticky;
    top: 0;
    transition: var(--transition);
    z-index: 100;
}

.sidebar-left.collapsed {
    margin-left: -260px;
}

/* Sidebar Derecha (Adsense) */
.sidebar-right {
    width: 300px;
    background-color: var(--sidebar-bg);
    border-left: 1px solid var(--border-color);
    padding: 20px;
    height: 100vh;
    position: sticky;
    top: 0;
}

.adsense-placeholder {
    display: block;
    width: 100%;
}

/* Contenido Central */
.main-content {
    flex: 1;
    padding: 0.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

/* Buscador */
.search-section {
    width: 100%;
    max-width: 700px;
    margin: 0.5rem 0 1rem 0;
    text-align: center;
}

.search-container {
    display: flex;
    align-items: stretch;
    background: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.search-container:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

.search-btn {
    background: transparent;
    border: none;
    padding: 0 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    transition: color 0.2s;
    font-size: 0.9rem;
}

.search-btn:hover {
    color: var(--accent-color);
}

.search-input {
    flex: 1;
    border: none;
    padding: 0.7rem 0.8rem 0.7rem 0;
    font-size: 0.95rem;
    background: transparent;
    color: var(--text-color);
    outline: none;
}

.search-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
}

/* Menú de Navegación */
.nav-menu {
    list-style: none;
    padding: 1.5rem;
}

.nav-item {
    margin-bottom: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    text-decoration: none;
    color: var(--text-color);
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--accent-color);
}

/* Header / Navbar */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 1.5rem;
    background-color: var(--sidebar-bg);
    border-bottom: 1px solid var(--border-color);
    width: 100%;
}

.logo {
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--accent-color);
    letter-spacing: -0.5px;
}

/* Botón Tema */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-toggle:hover {
    background-color: var(--border-color);
}

/* Responsive */
/* Estilos para Chips de Categoría */
.cat-chip {
    cursor: pointer;
}

.cat-chip span {
    padding: 8px 18px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    font-size: 0.85rem;
    transition: var(--transition);
    display: inline-block;
}

.cat-chip input:checked + span {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.cat-chip:hover span {
    border-color: var(--accent-color);
}

.responsive-inputs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem 1.5rem;
}

@media (max-width: 768px) {
    .responsive-inputs-grid {
        grid-template-columns: 1fr;
    }
}

.autocomplete-item .title {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-color);
}

.autocomplete-item .badge {
    font-size: 0.7rem;
    background: rgba(52, 152, 219, 0.1);
    color: var(--accent-color);
    padding: 2px 8px;
    border-radius: 50px;
    text-transform: uppercase;
}

/* Tags Populares */
.tag-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: #888;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.tag-btn:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background: rgba(52, 152, 219, 0.05);
}

/* Historial */
.search-history {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.history-grid {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 5px 0;
    transition: var(--transition);
}

.history-item:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.history-item i {
    font-size: 0.8rem;
    color: #888;
}

@media (max-width: 1024px) {
    .sidebar-right {
        display: none; /* Ocultar Adsense en tablets/moviles o moverlo */
    }
}


@media print {
    /* Ocultar todo lo que no sea el documento */
    .sidebar-left, 
    .sidebar-right, 
    .top-nav, 
    .theme-toggle, 
    .popular-tags, 
    #datos-header,
    #acciones-footer,
    #btn-generar,
    .nav-left,
    .nav-center,
    .nav-right,
    h2, p,
    footer,
    button {
        display: none !important;
    }

    /* Reset de contenedor principal */
    .app-container, body, html {
        background: white !important;
        margin: 0 !important;
        padding: 0 !important;
        height: auto !important;
        display: block !important;
    }

    .main-content {
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        max-width: none !important;
        display: block !important;
    }

    /* Asegurar que el documento ocupe toda la hoja */
    #preview-section {
        display: block !important;
        opacity: 1 !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .editor-preview-container {
        border: none !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
        width: 100% !important;
        background: white !important;
    }

    #preview-body {
        font-size: 12pt !important;
        line-height: 1.5 !important;
        background: white !important;
        color: black !important;
    }
    
    /* Evitar que se corten párrafos entre páginas */
    p, div {
        page-break-inside: avoid;
    }
}

@media (max-width: 768px) {
    .sidebar-left {
        position: fixed;
        left: -260px;
    }
    .sidebar-left.open {
        left: 0;
    }
    .main-content {
        padding: 1rem;
    }
}