/**
 * UpNova Automation - Chat Widget Styles v3.0
 * Diseño ultra moderno, responsivo y atractivo
 */

/* Variables CSS mejoradas con colores más atractivos */
:root {
    /* Colores principales más vibrantes */
    --upnova-primary: #7c3aed;
    --upnova-primary-hover: #6d28d9;
    --upnova-primary-light: #ede9fe;
    --upnova-secondary: #06b6d4;
    --upnova-accent: #f59e0b;
    --upnova-success: #10b981;
    --upnova-error: #ef4444;
    
    /* Colores de texto optimizados */
    --upnova-text-primary: #0f172a;
    --upnova-text-secondary: #64748b;
    --upnova-text-muted: #94a3b8;
    --upnova-text-white: #ffffff;
    
    /* Backgrounds con mejor contraste */
    --upnova-bg-white: #ffffff;
    --upnova-bg-light: #f8fafc;
    --upnova-bg-gray: #f1f5f9;
    --upnova-bg-dark: #0f172a;
    --upnova-bg-card: #ffffff;
    
    /* Borders más sutiles */
    --upnova-border: #e2e8f0;
    --upnova-border-light: #f1f5f9;
    
    /* Sombras más dramáticas */
    --upnova-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --upnova-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --upnova-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --upnova-shadow-2xl: 0 25px 50px -12px rgba(124, 58, 237, 0.25);
    
    /* Radios más modernos */
    --upnova-radius: 20px;
    --upnova-radius-sm: 16px;
    --upnova-radius-lg: 24px;
    --upnova-radius-xl: 32px;
    
    /* Font optimizado */
    --upnova-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    
    /* Z-index alto */
    --upnova-z-index: 999999;
    
    /* Transiciones más fluidas */
    --upnova-transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --upnova-transition-fast: all 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --upnova-transition-spring: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Gradientes espectaculares */
    --upnova-gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --upnova-gradient-secondary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --upnova-gradient-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --upnova-gradient-warning: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --upnova-gradient-error: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
    --upnova-gradient-chat: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --upnova-gradient-user: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
    --upnova-gradient-bot: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Font face para Inter (opcional) */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Reset y base ultra optimizado */
#upnova-chat-widget,
#upnova-chat-widget * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--upnova-font);
    
    /* Optimizaciones de rendimiento */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    
    /* Optimizaciones móviles */
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Contenedor principal ultra optimizado */
#upnova-chat-widget {
    position: fixed;
    z-index: var(--upnova-z-index);
    font-size: 15px;
    line-height: 1.6;
    color: var(--upnova-text-primary);
    
    /* Asegurar visibilidad máxima */
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    
    /* Optimizaciones para touch y rendimiento */
    touch-action: manipulation;
    will-change: transform;
    backface-visibility: hidden;
    
    /* Transición suave */
    transition: var(--upnova-transition);
}

/* Posicionamiento responsive mejorado */
#upnova-chat-widget.bottom-right {
    bottom: 24px;
    right: 24px;
}

#upnova-chat-widget.bottom-left {
    bottom: 24px;
    left: 24px;
}

#upnova-chat-widget.top-right {
    top: 24px;
    right: 24px;
}

#upnova-chat-widget.top-left {
    top: 24px;
    left: 24px;
}

/* Botón principal espectacular */
.upnova-chat-toggle {
    position: relative;
    width: 72px;
    height: 72px;
    background: var(--upnova-gradient-primary);
    border-radius: 50%;
    border: none;
    box-shadow: var(--upnova-shadow-2xl);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--upnova-transition-spring);
    overflow: hidden;
    outline: none;
    
    /* Optimizaciones touch mejoradas */
    min-width: 56px;
    min-height: 56px;
    
    /* Efectos especiales */
    transform: translateZ(0);
    will-change: transform, box-shadow;
}

/* Efectos brillantes animados */
.upnova-chat-toggle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff0080, #7928ca, #ff0080);
    border-radius: 50%;
    z-index: -1;
    animation: upnova-rotate 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upnova-chat-toggle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
    border-radius: 50%;
    opacity: 0;
    transition: var(--upnova-transition-fast);
}

/* Estados hover espectaculares */
.upnova-chat-toggle:hover {
    transform: translateY(-8px) scale(1.1) translateZ(0);
    box-shadow: var(--upnova-shadow-2xl), 0 35px 60px -12px rgba(124, 58, 237, 0.4);
}

.upnova-chat-toggle:hover::before {
    opacity: 1;
}

.upnova-chat-toggle:hover::after {
    opacity: 1;
}

/* Estado activo mejorado */
.upnova-chat-toggle:active {
    transform: translateY(-4px) scale(1.05) translateZ(0);
}

/* Focus visible mejorado */
.upnova-chat-toggle:focus-visible {
    outline: 3px solid rgba(124, 58, 237, 0.5);
    outline-offset: 4px;
}

/* Animación de rotación para el borde */
@keyframes upnova-rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Icono del botón ultra mejorado */
.upnova-chat-icon {
    width: 36px;
    height: 36px;
    fill: var(--upnova-text-white);
    transition: var(--upnova-transition-spring);
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.upnova-chat-toggle.open .upnova-chat-icon {
    transform: rotate(180deg) scale(0.9);
}

/* Badge de notificación ultra atractivo */
.upnova-notification-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--upnova-gradient-error);
    color: var(--upnova-text-white);
    border-radius: 50%;
    min-width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
    animation: upnova-pulse-notification 2s infinite;
    border: 3px solid var(--upnova-bg-white);
    z-index: 3;
}

@keyframes upnova-pulse-notification {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 4px 14px rgba(239, 68, 68, 0.4);
    }
    50% { 
        transform: scale(1.15); 
        box-shadow: 0 6px 20px rgba(239, 68, 68, 0.6);
    }
}

/* Contenedor de chat espectacular */
.upnova-chat-container {
    position: absolute;
    width: 420px;
    max-width: calc(100vw - 48px);
    height: 600px;
    max-height: calc(100vh - 120px);
    background: var(--upnova-bg-card);
    border-radius: var(--upnova-radius-xl);
    box-shadow: var(--upnova-shadow-2xl);
    overflow: hidden;
    transform-origin: bottom right;
    transition: var(--upnova-transition-spring);
    border: 1px solid var(--upnova-border);
    backdrop-filter: blur(20px);
    
    /* Estados de visibilidad ultra mejorados */
    opacity: 0;
    visibility: hidden;
    transform: scale(0.6) translateY(40px) rotateX(15deg);
    
    /* Optimizaciones de rendimiento */
    will-change: transform, opacity;
    backface-visibility: hidden;
    perspective: 1000px;
}

.upnova-chat-container.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1) translateY(0) rotateX(0deg);
}

/* Posicionamiento según ubicación del botón - mejorado */
#upnova-chat-widget.bottom-right .upnova-chat-container {
    bottom: 90px;
    right: 0;
    transform-origin: bottom right;
}

#upnova-chat-widget.bottom-left .upnova-chat-container {
    bottom: 90px;
    left: 0;
    transform-origin: bottom left;
}

#upnova-chat-widget.top-right .upnova-chat-container {
    top: 90px;
    right: 0;
    transform-origin: top right;
}

#upnova-chat-widget.top-left .upnova-chat-container {
    top: 90px;
    left: 0;
    transform-origin: top left;
}

/* Header del chat ultra moderno */
.upnova-chat-header {
    background: var(--upnova-gradient-chat);
    color: var(--upnova-text-white);
    padding: 30px 28px; /* ligera reducción para centrar mejor verticalmente */
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    border-radius: var(--upnova-radius-xl) var(--upnova-radius-xl) 0 0;
}

/* Efectos de fondo animados en header */
.upnova-chat-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.15) 0%, transparent 100%);
    pointer-events: none;
    animation: upnova-shimmer 3s ease-in-out infinite;
}

@keyframes upnova-shimmer {
    0%, 100% { opacity: 0.1; }
    50% { opacity: 0.3; }
}

.upnova-chat-header-content {
    flex: 1;
    position: relative;
    z-index: 2;
    min-width: 0;
    overflow: hidden;
    padding: 0 10px; /* respiro simétrico para evitar clipping */
    text-align: center; /* centra el bloque de título/subtítulo */
    margin: 0 auto; /* centra el contenedor dentro del header */
    max-width: calc(100% - 96px); /* evita solaparse con el botón cerrar */
}

.upnova-chat-title {
    font-size: 20px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 6px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.1px; /* leve separación para evitar sensación de recorte */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    text-align: center; /* asegura centrado del título */
}

.upnova-chat-subtitle {
    font-size: 14px;
    opacity: 0.9;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center; /* centra el estado y el texto */
    gap: 8px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
    text-align: center;
    margin: 0 auto; /* ayuda a centrar dentro del contenedor */
}

/* Indicador de estado online */
.upnova-chat-subtitle::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
    animation: upnova-blink 2s infinite;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
    margin-right: 8px; /* asegura separación del texto cuando está centrado */
}

@keyframes upnova-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Botón cerrar ultra moderno */
.upnova-chat-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--upnova-transition-fast);
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.upnova-chat-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.upnova-chat-close:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

.upnova-chat-close svg {
    width: 20px;
    height: 20px;
    stroke: var(--upnova-text-white);
    stroke-width: 2.5;
}

/* Área de mensajes ultra moderna */
.upnova-chat-messages {
    height: 420px;
    overflow-y: auto;
    padding: 26px 22px; /* un poco más de respiro en los bordes */
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
    
    /* Scroll personalizado ultra moderno */
    scrollbar-width: thin;
    scrollbar-color: rgba(124, 58, 237, 0.3) transparent;
}

.upnova-chat-messages::-webkit-scrollbar {
    width: 8px;
}

.upnova-chat-messages::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 4px;
}

.upnova-chat-messages::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.3), rgba(124, 58, 237, 0.6));
    border-radius: 4px;
    border: 2px solid transparent;
}

.upnova-chat-messages::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.5), rgba(124, 58, 237, 0.8));
}

/* Mensaje individual ultra atractivo */
.upnova-message {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    animation: upnova-message-appear 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    align-items: flex-start;
    position: relative;
    width: 100%;
}

@keyframes upnova-message-appear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.upnova-message.user {
    flex-direction: row-reverse;
}

/* Avatar ultra moderno con gradientes */
.upnova-message-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--upnova-gradient-bot);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--upnova-text-white);
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
    border: 3px solid var(--upnova-bg-white);
    position: relative;
    overflow: hidden;
}

.upnova-message-avatar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    border-radius: 50%;
}

.upnova-message.user .upnova-message-avatar {
    background: var(--upnova-gradient-user);
    box-shadow: 0 4px 16px rgba(168, 237, 234, 0.4);
    color: var(--upnova-text-primary);
}

.upnova-message-content {
    /* No forzar ancho completo: permitir que la burbuja defina su propio ancho */
    flex: 0 1 auto;
    max-width: 80%;
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0;
    min-width: 0;
    align-items: flex-start;
}

/* Agrupación de mensajes: ocultar avatar en continuaciones y ajustar padding */
.upnova-message.continued .upnova-message-avatar {
    visibility: hidden; /* reserva espacio para alinear columnas */
}
.upnova-message + .upnova-message.continued {
    margin-top: -6px; /* reduce separación entre burbujas del mismo remitente */
}

/* Alinear contenido del lado del usuario correctamente */
.upnova-message.user .upnova-message-content {
    align-items: flex-end;
    max-width: 80%;
}

/* Burbujas de mensaje espectaculares */
.upnova-message-bubble {
    background: var(--upnova-bg-white);
    padding: 20px 26px; /* más respiro en todos los bordes */
    border-radius: var(--upnova-radius-lg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    word-wrap: normal;
    word-break: normal; /* no cortar palabras normales */
    line-height: 1.6; /* mejora legibilidad y evita sensación de texto pegado */
    position: relative;
    border: 1px solid var(--upnova-border);
    backdrop-filter: blur(10px);
    transition: var(--upnova-transition-fast);
    margin: 0;
    text-align: left;
    overflow-wrap: anywhere; /* permite corte sólo cuando sea necesario, sin guiones automáticos */
    hyphens: manual; /* evita cortes con guion automáticos que se ven como 'recortados' */
    font-size: 14px;
    min-height: auto;
    /* Clave: no ocupar todo el ancho; que se ajuste al contenido con un límite máximo */
    display: inline-block;
    width: auto;
    max-width: 100%;
    box-sizing: border-box;
    letter-spacing: 0.2px;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

/* =============================== */
/* Comfort density overrides (v3.1) */
/* Reduce "compressed" feel, esp. for user messages and short texts */
/* These rules are appended to ensure they take precedence. */
/* =============================== */

/* Slightly larger default text and line-height inside bubbles for readability */
.upnova-message-bubble {
    font-size: 15px;
    line-height: 1.7;
}

/* Allow bubbles to span a bit wider so lines wrap less */
.upnova-message-content,
.upnova-message.user .upnova-message-content {
    max-width: 88%;
}

/* Ensure very short user messages don’t become tiny “pills” */
.upnova-message.user .upnova-message-bubble {
    padding: 22px 26px;       /* add breathing room */
    line-height: 1.65;        /* comfortable density */
    min-width: 120px;         /* avoid micro-bubble look for short words */
}

/* When stacked (short text), give the timestamp a touch more room */
.upnova-message-bubble.stacked {
    padding-bottom: 16px;
}
.upnova-message.user .upnova-message-bubble.stacked .upnova-message-time {
    margin-top: 6px;
}

/* Mobile tuning: keep a smaller min-width so it still looks balanced */
@media (max-width: 480px) {
    .upnova-message.user .upnova-message-bubble { min-width: 96px; }
    .upnova-message-content,
    .upnova-message.user .upnova-message-content { max-width: 90%; }
}

/* === Professional corrections (v3.2) === */
/* Restore natural bubble sizing and inline timestamps; use stacked only for short texts */
.upnova-message-content,
.upnova-message.user .upnova-message-content { width: auto; }

.upnova-message-bubble { white-space: normal; word-break: normal; overflow-wrap: anywhere; }

.upnova-message-bubble .upnova-message-time { display: inline-block; margin: 0 0 0 8px; }
.upnova-message.user .upnova-message-bubble .upnova-message-time { margin-left: 8px; }

/* Stacked only when needed (short texts) */
.upnova-message-bubble.stacked .upnova-message-time { display: block; margin: 6px 0 0 0; }
.upnova-message.user .upnova-message-bubble.stacked .upnova-message-time { margin-left: auto; }

/* Keep user bubble from becoming a micro-pill but avoid tall blocks */
.upnova-message.user .upnova-message-bubble { min-width: 96px; }

/* Align user text to the right so it doesn't feel glued to the left edge */
.upnova-message.user .upnova-message-bubble { text-align: left; }
/* For very short user texts (stacked), center the content for a balanced chip */
.upnova-message.user .upnova-message-bubble.stacked { text-align: center; }
.upnova-message.user .upnova-message-bubble.stacked .upnova-message-time { margin: 6px auto 0 auto; }

/* Comfortable long-text layout for user messages */
.upnova-message.user .upnova-message-content { max-width: 92%; }
.upnova-message.user .upnova-message-bubble {
    padding: 22px 28px;  /* a bit more lateral space */
    line-height: 1.7;     /* taller lines for readability */
    letter-spacing: 0.1px;
}

/* Prefer natural line wrapping without breaking words too aggressively */
.upnova-message-bubble { overflow-wrap: break-word; word-break: break-word; }

/* Timestamp dentro de la burbuja, discreto */
.upnova-message-bubble .upnova-message-time {
    display: inline-block;
    margin-left: 8px;
    font-size: 12px;
    opacity: 0.55;
    vertical-align: baseline;
}
.upnova-message.user .upnova-message-bubble .upnova-message-time {
    opacity: 0.8;
}

/* Variante para textos muy cortos (ej: "Hola") -> timestamp en una segunda línea */
.upnova-message-bubble.stacked {
    padding-bottom: 14px; /* espacio para la línea del tiempo */
}
.upnova-message-bubble.stacked .upnova-message-time {
    display: block;
    margin: 6px 0 0 auto; /* coloca la hora alineada a la derecha debajo del texto */
}

/* Tipografía interna de la burbuja: párrafos, listas y enlaces */
.upnova-message-bubble p {
    margin: 0.3em 0; /* separa líneas sin verse apretado */
}
.upnova-message-bubble ul,
.upnova-message-bubble ol {
    margin: 0.4em 0 0.4em 1.1em;
    padding: 0 0 0 0.2em;
}
.upnova-message-bubble li { margin: 0.25em 0; }
.upnova-message-bubble a {
    color: #7c3aed;
    text-decoration: underline;
    word-break: break-word;
}
.upnova-message.user .upnova-message-bubble a {
    color: #fff;
    text-decoration-color: rgba(255,255,255,0.7);
}

.upnova-message-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);
    border-radius: var(--upnova-radius-lg);
    opacity: 0;
    transition: var(--upnova-transition-fast);
    pointer-events: none;
}

.upnova-message-bubble:hover::before {
    opacity: 1;
}

.upnova-message.user .upnova-message-bubble {
    background: var(--upnova-gradient-primary);
    color: var(--upnova-text-white);
    border: none;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.3);
}

.upnova-message.user .upnova-message-bubble::before {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.1) 100%);
}

/* Timestamps mejorados */
/* Legacy: el timestamp fuera de burbuja ya no se usa */

/* Burbujeo más pulido: esquinas según lado para una sensación menos "bloque" */
.upnova-message .upnova-message-bubble {
    border-radius: 18px 18px 18px 10px; /* cola hacia la izquierda (bot) */
}
.upnova-message.user .upnova-message-bubble {
    border-radius: 18px 18px 10px 18px; /* cola hacia la derecha (usuario) */
}

/* Responsividad de ancho de mensaje para una lectura más cómoda */
@media (max-width: 480px) {
    .upnova-message-content { max-width: 90%; }
    .upnova-message.user .upnova-message-content { max-width: 90%; }
    .upnova-chat-messages { height: min(56vh, 440px); padding: 16px 12px; gap: 12px; }
}

@media (min-width: 481px) and (max-width: 1024px) {
    .upnova-message-content { max-width: 85%; }
    .upnova-message.user .upnova-message-content { max-width: 85%; }
}

/* Área de entrada ultra moderna */
.upnova-chat-input-container {
    padding: 20px 22px; /* más respiro alrededor del input */
        padding: 30px 22px; /* más respiro alrededor del input, aumentado el padding superior */
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.95) 0%, 
        rgba(248, 250, 252, 0.98) 100%);
    border-top: 2px solid var(--upnova-border);
    backdrop-filter: blur(15px);
    position: relative;
    overflow: hidden;
    display: flex;
    gap: 16px; /* separa mejor el input del botón de envío */
    align-items: center;
    margin-top: 8px; /* pequeño espacio para que no quede encimado */
}

.upnova-chat-input-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--upnova-gradient-primary);
    opacity: 0.6;
}

/* Campo de texto espectacular */
.upnova-chat-input {
    flex: 1;
    background: var(--upnova-bg-white);
    border: 1.5px solid var(--upnova-border);
    border-radius: var(--upnova-radius-lg);
    padding: 16px 20px; /* más cómodo y profesional */
    font-family: var(--upnova-font-family);
    font-size: 15px;
    line-height: 1.6; /* legibilidad y altura de línea correcta */
    color: var(--upnova-text-primary);
    resize: none;
    min-height: 48px; /* altura mínima más cómoda */
    max-height: 140px; /* permite 3-4 líneas sin romper */
    transition: var(--upnova-transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    backdrop-filter: blur(10px);
    outline: none;
}

.upnova-chat-input::placeholder {
    color: var(--upnova-text-muted);
    font-weight: 500;
    opacity: 0.85;
    font-size: 15px;
}

.upnova-chat-input:focus {
    border-color: var(--upnova-primary);
    box-shadow: 
        0 0 0 4px rgba(124, 58, 237, 0.1),
        0 4px 16px rgba(124, 58, 237, 0.15);
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.98);
}

/* Botón de envío espectacular */
.upnova-chat-send {
    width: 48px;
    height: 48px; /* más proporcionado al input */
    background: var(--upnova-gradient-primary);
    border: none;
    border-radius: 50%;
    color: var(--upnova-text-white);
    cursor: pointer;
    transition: var(--upnova-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.upnova-chat-send::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
    border-radius: 50%;
    opacity: 0;
    transition: var(--upnova-transition-fast);
}

.upnova-chat-send:hover:not(:disabled) {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 24px rgba(124, 58, 237, 0.5);
}

.upnova-chat-send:hover:not(:disabled)::before {
    opacity: 1;
}

.upnova-chat-send:active {
    transform: translateY(-1px) scale(1.02);
    transition: var(--upnova-transition-fast);
}

.upnova-chat-send:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2);
    background: var(--upnova-text-secondary);
}

.upnova-chat-send:focus-visible {
    outline: 3px solid rgba(124, 58, 237, 0.5);
    outline-offset: 4px;
}

.upnova-chat-send svg {
    width: 24px;
    height: 24px;
    fill: var(--upnova-text-white);
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
}

/* Indicador de escritura ultra moderno */
.upnova-typing-indicator {
    padding: 16px 28px;
    display: none;
    align-items: center;
    gap: 12px;
    background: linear-gradient(90deg, 
        rgba(124, 58, 237, 0.05) 0%, 
        rgba(168, 237, 234, 0.1) 100%);
    border-top: 1px solid var(--upnova-border);
    backdrop-filter: blur(10px);
}

.upnova-typing-indicator.active {
    display: flex;
    animation: upnova-fade-in 0.3s ease-out;
}

.upnova-typing-text {
    color: var(--upnova-text-muted);
    font-size: 14px;
    font-weight: 500;
    font-style: italic;
}

.upnova-typing-dots {
    display: flex;
    gap: 4px;
}

.upnova-typing-dot {
    width: 8px;
    height: 8px;
    background: var(--upnova-primary);
    border-radius: 50%;
    animation: upnova-typing 1.8s infinite ease-in-out;
}

.upnova-typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.upnova-typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes upnova-typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Mensaje de bienvenida ultra atractivo */
.upnova-welcome-message {
    text-align: center;
    padding: 40px 32px;
    background: linear-gradient(135deg, 
        rgba(124, 58, 237, 0.03) 0%, 
        rgba(168, 237, 234, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.upnova-welcome-message::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, 
        rgba(124, 58, 237, 0.05) 0%, 
        transparent 70%);
    pointer-events: none;
}

.upnova-welcome-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--upnova-text-primary);
    margin-bottom: 12px;
    position: relative;
    z-index: 2;
    background: var(--upnova-gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.upnova-welcome-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--upnova-text-muted);
    position: relative;
    z-index: 2;
    font-weight: 500;
}

/* Tarjeta de bienvenida profesional */
.upnova-welcome-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 20px 8px;
}
.upnova-welcome-avatar {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: #f3f4f6;
    position: relative;
    display: grid;
    place-items: center;
    overflow: hidden;
}
.upnova-welcome-avatar img { width: 100%; height: 100%; object-fit: cover; }
.upnova-initials { font-weight: 700; color: var(--upnova-text-primary); }
.upnova-welcome-online-dot {
    position: absolute;
    right: 6px;
    bottom: 6px;
    width: 10px;
    height: 10px;
    background: #10b981;
    border: 2px solid #fff;
    border-radius: 50%;
}
.upnova-welcome-info { text-align: center; }
.upnova-welcome-name { font-weight: 600; color: var(--upnova-text-primary); }
.upnova-welcome-role { font-size: 13px; color: var(--upnova-text-secondary); }
.upnova-welcome-cta { margin-top: 12px; color: var(--upnova-text-primary); }

/* RESPONSIVE ULTRA OPTIMIZADO PARA MÓVILES */
@media (max-width: 640px) {
    #upnova-chat-widget.bottom-right,
    #upnova-chat-widget.bottom-left,
    #upnova-chat-widget.top-right,
    #upnova-chat-widget.top-left {
        bottom: 16px !important;
        top: auto !important;
        right: 16px !important;
        left: 16px !important;
    }
    
    .upnova-chat-container {
        width: calc(100vw - 32px) !important;
        height: calc(100vh - 100px) !important;
        max-height: calc(100vh - 100px) !important;
        bottom: 80px !important;
        right: 0 !important;
        left: 0 !important;
        transform-origin: bottom center !important;
        border-radius: var(--upnova-radius-lg) var(--upnova-radius-lg) 0 0;
        position: fixed !important;
    }
    
    .upnova-chat-toggle {
        width: 56px;
        height: 56px;
        bottom: 16px !important;
        right: 16px !important;
        left: auto !important;
        top: auto !important;
        position: fixed !important;
    }
    
    .upnova-chat-icon {
        width: 24px;
        height: 24px;
    }
    
    .upnova-chat-header {
        padding: 16px 20px;
        min-height: auto;
    }
    
    .upnova-chat-header-content {
        min-width: 0;
        flex: 1;
        overflow: hidden;
    }
    
    .upnova-chat-title {
        font-size: 16px !important;
        line-height: 1.3;
        font-weight: 700;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 200px;
    }
    
    .upnova-chat-subtitle {
        font-size: 12px !important;
        line-height: 1.2;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 200px;
    }
    
    .upnova-chat-messages {
        height: calc(100vh - 240px) !important;
        padding: 20px 16px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        gap: 20px;
    }
    
    .upnova-message-content {
        max-width: 90%;
        gap: 8px;
        min-width: 0;
    }
    
    .upnova-message-bubble {
    padding: 18px 22px; /* un poco más de respiro en móvil */
        font-size: 14px !important;
    line-height: 1.5;
        word-wrap: normal;
        word-break: normal;
        overflow-wrap: anywhere;
        max-width: 100%;
        margin: 0;
        text-align: left;
        hyphens: manual;
    }
    
    .upnova-message {
        margin-bottom: 16px;
    }
    
    .upnova-message-time {
        font-size: 10px !important;
    }
    
    .upnova-chat-input-container {
        padding: 12px 16px;
        gap: 10px;
        background: white;
        border-top: 1px solid var(--upnova-border);
    }
    
    .upnova-chat-input {
        font-size: 14px !important;
        padding: 10px 14px;
        min-height: 36px;
        max-height: 80px;
        border-radius: 18px;
        line-height: 1.4;
    }
    
    .upnova-chat-send {
        width: 36px;
        height: 36px;
        flex-shrink: 0;
    }
    
    .upnova-chat-send svg {
        width: 16px;
        height: 16px;
    }
    
    .upnova-welcome-message {
        padding: 20px 16px;

    /* Botón de reservar (calendario) */
    .upnova-chat-book {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        border: 1.5px solid var(--upnova-border);
        background: var(--upnova-bg-white);
        color: var(--upnova-text-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.06);
        transition: var(--upnova-transition-fast);
    }
    .upnova-chat-book:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(0,0,0,0.08); }
    .upnova-chat-book:active { transform: translateY(0); }
        text-align: center;
    }
    
    .upnova-welcome-title {
        font-size: 14px !important;
        line-height: 1.3;
    }
    
    .upnova-welcome-text {
        font-size: 12px !important;
        line-height: 1.4;
    }
    
    .upnova-typing-indicator {
        margin: 0 16px 12px;
        padding: 8px 12px;
    }
    
    .upnova-typing-text {
        font-size: 11px !important;
    }
}

/* ================================
   Modo minimal profesional (estilo tipo Brevo)
   Sobrescribe detalles visuales para un look limpio y corporativo
================================ */

/* Contenedor con sombra sutil */
.upnova-chat-container {
    box-shadow: var(--upnova-shadow-lg) !important;
}

/* Header blanco, tipografía oscura y división sutil */
.upnova-chat-header {
.upnova-message-content { max-width: 88% !important; }
.upnova-message.user .upnova-message-content { max-width: 88% !important; }
    background: var(--upnova-bg-white) !important;
    color: var(--upnova-text-primary) !important;
    padding: 18px 20px !important;
    border-bottom: 1px solid var(--upnova-border-light) !important;
}

/* Sin efectos brillantes en el header */
.upnova-chat-header::before { display: none !important; }

/* Títulos y subtítulos más sobrios */
.upnova-chat-title { text-shadow: none !important; }
.upnova-chat-subtitle { color: var(--upnova-text-secondary) !important; }

/* Botón cerrar discreto */
.upnova-chat-close {
    background: transparent !important;
    border: 1px solid var(--upnova-border) !important;
    width: 36px !important;
    height: 36px !important;
    backdrop-filter: none !important;
}
.upnova-chat-close:hover {
    background: var(--upnova-bg-gray) !important;
    transform: none !important;
    box-shadow: none !important;
}
.upnova-chat-close:focus-visible {
    outline: 2px solid rgba(100, 116, 139, 0.4) !important;
    outline-offset: 2px;
}
.upnova-chat-close svg {
    width: 18px !important;
    height: 18px !important;
    stroke: var(--upnova-text-secondary) !important;
    stroke-width: 2.2 !important;
}

/* Botón de envío neutral, sin gradiente */
.upnova-chat-send {
    width: 44px !important;
    height: 44px !important;
    background: var(--upnova-bg-white) !important;
    border: 1px solid var(--upnova-border) !important;
    color: var(--upnova-text-primary) !important;
    box-shadow: none !important;
}
.upnova-chat-send::before { display: none !important; }
.upnova-chat-send:hover:not(:disabled) {
    transform: none !important;
    background: var(--upnova-bg-gray) !important;
}
.upnova-chat-send:disabled {
    opacity: 0.5 !important;
    box-shadow: none !important;
    background: var(--upnova-bg-gray) !important;
}
.upnova-chat-send svg {
    width: 22px !important;
    height: 22px !important;
    fill: var(--upnova-text-secondary) !important;
    filter: none !important;
}

/* POWERED BY SECTION - SIN FONDO OSCURO */
.upnova-powered-by {
    padding: 12px 20px !important;
    background: rgba(255, 255, 255, 0.98) !important;
    border-top: 1px solid #e5e7eb !important;
    text-align: center !important;
    border-radius: 0 0 16px 16px !important;
    margin: 0 !important;
    position: relative !important;
}

.upnova-powered-by a {
    color: #7c3aed !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    font-size: 12px !important;
    transition: all 0.2s ease !important;
}

.upnova-powered-by a:hover {
    color: #5b21b6 !important;
    transform: translateY(-1px) !important;
}

/* INPUT MÁS GRANDE Y VISIBLE */
.upnova-chat-input {
    flex: 1;
    background: var(--upnova-bg-white);
    border: 1.5px solid var(--upnova-border);
    border-radius: var(--upnova-radius-lg);
    padding: 14px 18px !important; /* consistente con el bloque superior */
    font-family: var(--upnova-font-family);
    font-size: 15px !important;
    line-height: 1.6;
    color: var(--upnova-text-primary);
    resize: none;
    min-height: 44px !important;
    max-height: 140px;
    transition: var(--upnova-transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    outline: none;
}

.upnova-chat-input::placeholder {
    color: var(--upnova-text-muted);
    font-weight: 500;
    opacity: 0.85;
    font-size: 15px !important;
}

/* RESPONSIVE MÓVIL MEJORADO */
@media (max-width: 640px) {
    .upnova-chat-input {
        font-size: 15px !important;
        padding: 12px 16px !important;
        min-height: 40px !important;
        border-radius: 14px !important;
    }
    
    .upnova-chat-input::placeholder {
        font-size: 15px !important;
    }
    
    .upnova-chat-input-container {
        padding: 14px 16px !important;
        background: rgba(255, 255, 255, 0.98) !important;
    }
    
    .upnova-powered-by {
        padding: 14px 16px !important;
        font-size: 12px !important;
        background: rgba(255, 255, 255, 0.98) !important;
    }
}