/* Paleta de Colores Suavizada y Moderna */
:root {
    --background-dark: #121212;
    --background-card: #1e1e1e;
    --background-header: #0a0a0a;
    --border-color: #2e2e2e;
    --text-primary: #e0e0e0;
    --text-secondary: #a0a0a0;
    --accent-red: #dc2626; /* Rojo (Tailwind red-600) */
    --accent-red-hover: #b91c1c; /* Rojo más oscuro (Tailwind red-700) */
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-dark);
    color: var(--text-primary);
    font-size: 16px;
    line-height: 1.625;
}

.accent-red { color: var(--accent-red); }
.bg-accent-red { background-color: var(--accent-red); }
.bg-accent-red.hover\:bg-red-700:hover { background-color: var(--accent-red-hover); }
.border-accent-red { border-color: var(--accent-red); }

header.bg-black { background-color: var(--background-header); }
footer.bg-black { background-color: var(--background-header); }
.border-gray-800 { border-color: var(--border-color); }

.product-card {
    background-color: var(--background-card);
    border: 1px solid var(--border-color);
}
.category-title {
    color: var(--accent-red);
    border-bottom: 2px solid var(--accent-red);
}

/* Chat Panel Integrado */
.chat-panel-embedded {
    border-radius: 12px;
    overflow: hidden;
    height: 75vh; /* Altura fija */
    max-height: 800px;
    background-color: var(--background-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
}

.chat-header {
    background-color: #1a1a1a;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.chat-content-area {
    padding: 1rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.scrollable-chat {
    flex-grow: 1;
    overflow-y: auto;
    margin-bottom: 1rem;
    padding-right: 0.5rem;
}

.chat-bubble {
    max-width: 85%;
    padding: 10px 15px;
    border-radius: 15px;
    margin-bottom: 10px;
    word-wrap: break-word;
    font-size: 0.95rem;
    line-height: 1.5;
}
.chat-bubble-user {
    background-color: var(--accent-red);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 5px;
}
.chat-bubble-ai {
    background-color: #3b3b3b;
    color: var(--text-primary);
    margin-right: auto;
    border-bottom-left-radius: 5px;
}

.chat-input-container {
    display: flex;
    gap: 0.5rem;
    width: 100%;
    margin-top: auto;
}

/* Scrollbar Styles */
.scrollable-chat::-webkit-scrollbar { width: 8px; }
.scrollable-chat::-webkit-scrollbar-track { background: #2d2d2d; border-radius: 10px; }
.scrollable-chat::-webkit-scrollbar-thumb { background: #555; border-radius: 10px; }
.scrollable-chat::-webkit-scrollbar-thumb:hover { background: var(--accent-red); }

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1050;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.85);
    align-items: center;
    justify-content: center;
}
.modal-content {
    background-color: var(--background-card);
    padding: 2rem;
    border: 1px solid var(--border-color);
    width: 90%;
    max-width: 450px;
    border-radius: 12px;
    position: relative;
}
.close-button {
    color: #aaa;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    background: none;
    border: none;
}
.close-button:hover,
.close-button:focus {
    color: var(--accent-red);
    text-decoration: none;
}

/* Loader Styles */
.loading-spinner {
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 4px solid var(--accent-red);
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Media Queries para Responsividad */
@media (max-width: 1023px) {
    .chat-panel-embedded {
        height: auto; /* Altura automática en móvil */
        margin-bottom: 2rem;
    }
    .chat-content-area {
        height: 40vh; /* Altura específica para el contenido del chat */
    }
}