/* --- Importar Fuente Moderna --- */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* --- Variables de Color y Tema --- */
:root {
    --color-primario: #6366f1; /* Un índigo un poco más vibrante */
    --color-primario-dark: #4f46e5;
    --color-secundario: #10b981; /* Verde esmeralda para indicadores */
    --color-fondo-main: #f3f4f6;
    --color-fondo-sidebar: #111827; /* Casi negro */
    --color-texto-sidebar: #d1d5db;
    --color-texto-titulo: #1f2937;
    --color-texto-cuerpo: #4b5563;
    --color-tarjeta-bg: #ffffff;
    --sombra-suave: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --sombra-media: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --borde-radio-lg: 1rem;
    --borde-radio-sm: 0.5rem;
    --alto-header: 70px;
}

/* --- Reseteo Básico --- */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Poppins', sans-serif;
    color: var(--color-texto-cuerpo);
    background-color: var(--color-fondo-main);
    display: grid;
    grid-template-columns: 260px 1fr;
    grid-template-rows: auto 1fr auto;
    grid-template-areas: 
        "aside header"
        "aside main"
        "aside footer";
    height: 100vh;
    overflow: hidden;
}

/* --- LAYOUT PRINCIPAL --- */

/* 1. Sidebar (Aside) */
aside {
    grid-area: aside;
    background: var(--color-fondo-sidebar);
    color: var(--color-texto-sidebar);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    border-right: 1px solid #1f2937;
}

aside #logo {
    text-align: center;
    margin-bottom: 3rem;
}

aside #logo img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--color-primario);
    padding: 3px; /* Espacio entre imagen y borde */
}

aside h2 {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #9ca3af;
}

aside ul { list-style: none; }

aside ul li {
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--borde-radio-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

aside ul li:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    transform: translateX(5px);
}

/* 2. Header */
header {
    grid-area: header;
    height: var(--alto-header);
    display: flex;
    align-items: center;
    padding: 0 2rem;
    background: var(--color-tarjeta-bg);
    border-bottom: 1px solid #e5e7eb;
}

header h1 {
    color: var(--color-texto-titulo);
    font-weight: 700;
    font-size: 1.5rem;
}

/* 3. Main Content */
main {
    grid-area: main;
    padding: 2rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Estilos de Tarjeta General */
.card {
    background-color: var(--color-tarjeta-bg);
    border-radius: var(--borde-radio-lg);
    box-shadow: var(--sombra-suave);
    padding: 1.5rem;
    border: 1px solid #f3f4f6;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    box-shadow: var(--sombra-media);
    border-color: #e5e7eb;
}

.card h2, .card h3 {
    color: var(--color-texto-titulo);
    font-weight: 600;
    margin-bottom: 1rem;
}

/* Estilos Específicos de Tarjetas */
.dashboard-highlight {
    /* La gráfica principal destaca más */
    border-top: 4px solid var(--color-primario);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.live-indicator {
    color: var(--color-secundario);
    font-weight: 600;
    font-size: 0.9rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

#grafica-container {
    position: relative;
    width: 100%;
    height: 350px; /* Altura controlada */
}

/* Grid para contenido secundario (Descripción + IA) */
.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

#descripcion p {
    line-height: 1.7;
}

/* --- Sección IA (API) --- */
.ai-card {
    background: linear-gradient(to bottom right, #ffffff, #fbfbfe);
    border: 1px solid #e0e7ff;
}

.ai-card h3 {
    display: flex;
    align-items: center;
    color: var(--color-primario-dark);
}

.ai-icon { margin-right: 0.5rem; }

.ai-intro {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    color: #6b7280;
}

/* Estado inicial "pequeño" de la tarjeta IA */
.ai-card.closed-state #ai-result-container {
   /* Ya está oculto con display:none en el HTML */
}

.ai-card form label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--color-texto-titulo);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-card textarea {
    font-family: 'Poppins', sans-serif;
    padding: 0.75rem;
    border-radius: var(--borde-radio-sm);
    border: 1px solid #d1d5db;
    resize: vertical;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}

.ai-card textarea:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

#btn-analizar {
    font-family: 'Poppins', sans-serif;
    background-color: var(--color-primario);
    color: white;
    font-weight: 600;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--borde-radio-sm);
    cursor: pointer;
    transition: background-color 0.2s;
    align-self: flex-start;
}

#btn-analizar:hover { background-color: var(--color-primario-dark); }

/* 4. Footer Real */
.main-footer {
    grid-area: footer;
    padding: 1.5rem 2rem;
    background: var(--color-tarjeta-bg);
    border-top: 1px solid #e5e7eb;
    text-align: center;
    font-size: 0.9rem;
    color: #9ca3af;
}

/* --- CHATBOT FLOTANTE --- */
#chatbot-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

/* Botón Redondo */
#chatbot-toggle-btn {
    background-color: var(--color-primario);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--sombra-media);
    transition: transform 0.3s ease, background-color 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}

#chatbot-toggle-btn:hover {
    transform: scale(1.1);
    background-color: var(--color-primario-dark);
}

/* Ventana del Chat */
.chat-window {
    width: 350px;
    height: 450px;
    background-color: white;
    border-radius: var(--borde-radio-lg);
    box-shadow: var(--sombra-media);
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* Animación de entrada/salida */
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none; /* No interactuable cuando está oculto */
    transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
    transform-origin: bottom right;
}

/* Clase para mostrar el chat */
.chat-window.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.chat-header {
    background-color: var(--color-primario);
    color: white;
    padding: 1rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#close-chat-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.8;
}

#close-chat-btn:hover { opacity: 1; }

.chat-messages {
    flex-grow: 1;
    padding: 1rem;
    background-color: #f9fafb;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* Burbujas de mensaje */
.message {
    max-width: 80%;
    padding: 0.8rem 1rem;
    border-radius: 1rem;
    font-size: 0.95rem;
    line-height: 1.4;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.bot-message {
    background-color: #e0e7ff;
    color: var(--color-texto-titulo);
    align-self: flex-start;
    border-bottom-left-radius: 0;
}

.user-message {
    background-color: var(--color-primario);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 0;
}

.chat-input-area {
    padding: 1rem;
    border-top: 1px solid #e5e7eb;
    display: flex;
    gap: 0.5rem;
    background: white;
}

.chat-input-area input {
    flex-grow: 1;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 2rem;
    outline: none;
    font-family: 'Poppins', sans-serif;
}

#send-chat-btn {
    background-color: var(--color-primario);
    color: white;
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}
#send-chat-btn:disabled, .chat-input-area input:disabled {
    background-color: #f3f4f6;
    cursor: not-allowed;
    opacity: 0.7;
}


/* --- Responsive Design --- */
@media (max-width: 768px) {
    body {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr auto;
        grid-template-areas: 
            "header"
            "aside"
            "main"
            "footer";
        height: auto; /* Permitir scroll en móviles */
    }

    aside {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 1rem;
        border-right: none;
        border-bottom: 1px solid #1f2937;
    }
    aside #logo { margin-bottom: 0; }
    aside #logo img { width: 50px; height: 50px; border-width: 2px;}
    aside h2 { display: none; }
    aside ul { display: flex; gap: 0.5rem; }
    aside ul li { padding: 0.5rem; margin-bottom: 0; font-size: 0.9rem;}

    .content-grid { grid-template-columns: 1fr; }
    #grafica-container { height: 250px; }
    
    .chat-window {
        width: calc(100vw - 4rem); /* Ancho completo menos márgenes en móvil */
        right: 0;
        bottom: 4rem;
    }
}