/* ==================================================== */
/* TEMA DARK ESOTÉRICO - MYSTIC WARMTH EDITION v2.3 */
/* INTERFAZ MEJORADA CON CRÉDITOS EN DESPLEGABLE */
/* ==================================================== */

:root {
    /* --- PALETA BASE: OBSIDIANA Y SOMBRA --- */
    --tai-bg-deep: #050505;          /* Fondo absoluto */
    --tai-bg-surface: #0f1014;       /* Superficie de tarjetas */
    --tai-bg-glass: rgba(20, 20, 25, 0.75); /* Efecto cristal */
    
    /* --- ACENTOS: CALIDEZ MÍSTICA MEJORADA --- */
    --tai-gold-dim: #b59a65;         /* Oro antiguo más cálido */
    --tai-gold-bright: #e6c166;      /* Oro más cálido y luminoso */
    --tai-purple-deep: #3d2969;      /* Púrpura más cálido */
    --tai-purple-glow: #b8a3ff;      /* Luz púrpura más suave */
    --tai-accent-warm: #e6a2a2;      /* Rosa cálido (antes #cf6679) */
    --tai-accent-active: #ffd700;    /* Dorado para estados activos */
    
    /* --- TEXTOS MEJORADOS --- */
    --tai-text-primary: #f1f5f9;     /* Blanco más suave */
    --tai-text-secondary: #cbd5e1;   /* Gris azulado más claro */
    --tai-text-muted: #94a3b8;       /* Texto apagado */
    --tai-text-accent: #e6a2a2;      /* Color acento consistente */
    
    /* --- BORDES Y SOMBRAS MEJORADAS --- */
    --tai-border-subtle: rgba(230, 162, 162, 0.25); /* Borde rosa cálido */
    --tai-border-active: rgba(230, 193, 102, 0.5); /* Borde dorado activo */
    --tai-shadow-ambient: 0 10px 40px -10px rgba(0,0,0,0.8);
    --tai-shadow-glow: 0 0 25px rgba(184, 163, 255, 0.2);
    --tai-shadow-warm: 0 0 20px rgba(230, 162, 162, 0.2);
}

/* ================= ESTRUCTURA PRINCIPAL ================= */

.taichat-instance {
    font-family: 'Quicksand', 'Segoe UI', sans-serif;
    max-width: 900px;
    margin: 40px auto;
    background: var(--tai-bg-deep);
    border-radius: 24px;
    box-shadow: var(--tai-shadow-ambient), 
                0 0 0 1px rgba(230, 162, 162, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    position: relative;
    border: 1px solid rgba(230, 162, 162, 0.1);
}

/* Fondo con ruido sutil mejorado */
.taichat-instance::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(230, 162, 162, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(184, 163, 255, 0.03) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
    opacity: 0.6;
    pointer-events: none;
    z-index: 0;
}

#taichat-wrapper {
    background: transparent;
    min-height: 650px;
    display: flex;
    flex-direction: column;
    border: none;
    position: relative;
    z-index: 1;
}

/* ================= HEADER MÍSTICO MEJORADO ================= */

#taichat-header {
    background: linear-gradient(180deg, 
        rgba(15, 16, 20, 0.98) 0%, 
        rgba(45, 41, 78, 0.9) 100%);
    padding: 24px 30px;
    border-bottom: 1px solid var(--tai-border-subtle);
    backdrop-filter: blur(15px);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
}

#taichat-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 15%;
    right: 15%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        var(--tai-accent-warm), 
        var(--tai-gold-bright), 
        var(--tai-accent-warm), 
        transparent);
    opacity: 0.6;
}

#taichat-header h5 {
    font-family: 'Marcellus', 'Georgia', serif;
    color: var(--tai-text-primary);
    font-size: 1.5rem;
    letter-spacing: 1.5px;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 8px;
    text-shadow: 0 2px 15px rgba(0,0,0,0.7);
    background: linear-gradient(135deg, #fff 0%, var(--tai-accent-warm) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#taichat-header h5 i {
    color: var(--tai-gold-bright);
    margin-right: 12px;
    filter: drop-shadow(0 0 8px rgba(230, 193, 102, 0.6));
}

#taichat-membership-status {
    font-size: 0.9875rem;
    font-family: 'Quicksand', sans-serif;
    letter-spacing: 0.8px;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(230, 162, 162, 0.1);
    border: 1px solid rgba(230, 162, 162, 0.2);
    margin-top: 8px;
    transition: all 0.3s ease;
}

#taichat-membership-status:hover {
    background: rgba(230, 162, 162, 0.15);
    transform: translateY(-1px);
}

#taichat-membership-status .text-success { 
    color: #34d399 !important; 
    text-shadow: 0 0 10px rgba(52, 211, 153, 0.3);
}
#taichat-membership-status .text-warning { 
    color: var(--tai-gold-bright) !important;
    text-shadow: 0 0 10px rgba(230, 193, 102, 0.3);
}
#taichat-membership-status .text-danger { 
    color: #f87171 !important;
    text-shadow: 0 0 10px rgba(248, 113, 113, 0.3);
}

/* ================= ÁREA DE CHAT MEJORADA ================= */

.chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    scroll-behavior: smooth;
    background: radial-gradient(
        ellipse at 50% 20%, 
        rgba(61, 41, 105, 0.15) 0%, 
        transparent 70%
    );
}

.chat-area::-webkit-scrollbar { 
    width: 8px; 
}
.chat-area::-webkit-scrollbar-track { 
    background: rgba(230, 162, 162, 0.05); 
    border-radius: 4px;
}
.chat-area::-webkit-scrollbar-thumb { 
    background: linear-gradient(180deg, 
        var(--tai-accent-warm) 0%, 
        var(--tai-gold-dim) 100%);
    border-radius: 4px; 
}
.chat-area::-webkit-scrollbar-thumb:hover { 
    background: linear-gradient(180deg, 
        var(--tai-gold-bright) 0%, 
        var(--tai-accent-warm) 100%);
}

/* --- Mensajes --- */
.taichat-message-wrapper {
    margin-bottom: 28px;
    display: flex;
    align-items: flex-end;
    gap: 16px;
    opacity: 0;
    animation: fadeInMessage 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

@keyframes fadeInMessage {
    from { 
        opacity: 0; 
        transform: translateY(10px) scale(0.98); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.taichat-message-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    box-shadow: 
        0 4px 15px rgba(0,0,0,0.5),
        inset 0 0 0 2px rgba(230, 162, 162, 0.1);
    border: 1px solid var(--tai-border-subtle);
    flex-shrink: 0;
    position: relative;
    transition: all 0.3s ease;
}

.taichat-message-avatar:hover { 
    transform: scale(1.05); 
    filter: brightness(1.1);
    box-shadow: 
        0 6px 20px rgba(0,0,0,0.6),
        inset 0 0 0 2px rgba(230, 162, 162, 0.3);
}
.assistant-avatar { 
    box-shadow: 
        0 0 20px rgba(184, 163, 255, 0.3),
        inset 0 0 0 2px rgba(184, 163, 255, 0.2);
}

/* --- Burbujas de Texto Mejoradas --- */
.chat-message {
    max-width: 75%;
    padding: 20px 24px;
    border-radius: 20px;
    line-height: 1.75;
    font-size: 1.05rem;
    position: relative;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    
    /* REGLAS PARA EVITAR CORTE DE TEXTO */
    word-wrap: break-word;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    hyphens: auto;
}

.chat-message.assistant {
    background: linear-gradient(135deg, 
        rgba(20, 20, 25, 0.9) 0%, 
        rgba(45, 41, 78, 0.9) 100%);
    border: 1px solid rgba(184, 163, 255, 0.15);
    border-bottom-left-radius: 6px;
    color: var(--tai-text-primary);
    box-shadow: 
        0 4px 25px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.chat-message.assistant::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 3px;
    background: linear-gradient(90deg, 
        var(--tai-purple-glow), 
        var(--tai-gold-bright));
    border-radius: 20px 20px 0 0;
    opacity: 0.6;
}

.chat-message.assistant strong {
    color: var(--tai-gold-bright);
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.chat-message.assistant em {
    color: var(--tai-purple-glow);
    font-family: 'Cinzel', serif;
    font-style: italic;
    font-size: 0.95em;
    padding: 0 2px;
}

.chat-message.user {
    background: linear-gradient(135deg, 
        var(--tai-purple-deep) 0%, 
        #2a2266 100%);
    border: 1px solid rgba(230, 162, 162, 0.25);
    border-bottom-right-radius: 6px;
    color: #fff;
    box-shadow: 
        0 4px 20px rgba(61, 41, 105, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    text-align: right;
}

.chat-message.user::before {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 3px;
    background: linear-gradient(90deg, 
        var(--tai-accent-warm), 
        #ff7eb3);
    border-radius: 20px 20px 0 0;
    opacity: 0.6;
}

/* Loader Mejorado */
.typing-loader {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 28px;
    padding: 0 20px;
}
.typing-dot {
    width: 8px; 
    height: 8px;
    background: linear-gradient(135deg, 
        var(--tai-accent-warm) 0%, 
        var(--tai-gold-bright) 100%);
    border-radius: 50%;
    animation: magicPulse 1.6s infinite ease-in-out both;
    box-shadow: 0 0 10px rgba(230, 162, 162, 0.3);
}
.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes magicPulse {
    0%, 80%, 100% { 
        transform: scale(0.7); 
        opacity: 0.4; 
    }
    40% { 
        transform: scale(1.2); 
        opacity: 1; 
        box-shadow: 0 0 15px var(--tai-gold-bright); 
    }
}

.typing-text {
    font-size: 0.9rem;
    color: var(--tai-accent-warm);
    font-style: italic;
    margin-left: 10px;
    text-shadow: 0 0 10px rgba(230, 162, 162, 0.3);
    animation: pulseText 2s infinite;
}

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

.chat-area .text-center.small.text-muted {
    text-align: center;
    font-size: 0.85rem;
    color: var(--tai-gold-dim) !important;
    margin: 20px 0;
    position: relative;
    display: inline-block;
    width: 100%;
    letter-spacing: 1px;
}
.chat-area .text-center.small.text-muted::before,
.chat-area .text-center.small.text-muted::after {
    content: "✦";
    margin: 0 15px;
    color: var(--tai-accent-warm);
    font-size: 1.2rem;
    vertical-align: middle;
}

/* ================= ÁREA DE INPUT MEJORADA ================= */

#taichat-input-form {
    background: linear-gradient(180deg,
        rgba(15, 16, 20, 0.97) 0%,
        rgba(15, 16, 20, 0.95) 100%);
    border-top: 1px solid var(--tai-border-subtle);
    padding: 25px 30px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
    z-index: 10;
    backdrop-filter: blur(10px);
}

.form-group label {
    font-family: 'Quicksand', sans-serif;
    font-size: 0.9799rem;
    color: var(--tai-text-secondary);
    margin-bottom: 10px;
    display: block;
    letter-spacing: 0.5px;
}

.form-group label i {
    color: var(--tai-accent-warm);
    margin-right: 8px;
    font-size: 1rem;
}

/* Selector de Consulta - MEJORADO SIGNIFICATIVAMENTE */
#taichat-select-prompt {
    width: 100%;
    background: linear-gradient(135deg, 
        rgba(20, 20, 25, 0.9) 0%, 
        rgba(45, 41, 78, 0.9) 100%);
    border: 1px solid rgba(230, 162, 162, 0.25);
    color: var(--tai-text-primary);
    padding: 12px 15px;
    border-radius: 12px;
    font-family: 'Quicksand', sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.053rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23e6a2a2' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 14px;
    padding-right: 40px;
    font-family: 'Marcellus', 'Georgia', serif!important;
    
    /* Estilo para opciones */
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

#taichat-select-prompt:hover {
    border-color: var(--tai-accent-warm);
    background: linear-gradient(135deg, 
        rgba(20, 20, 25, 0.95) 0%, 
        rgba(45, 41, 78, 0.95) 100%);
}

#taichat-select-prompt:focus {
    outline: none;
    border-color: var(--tai-gold-bright);
    box-shadow: 
        0 0 0 3px rgba(230, 193, 102, 0.1),
        var(--tai-shadow-warm);
    background: linear-gradient(135deg, 
        rgba(20, 20, 25, 0.98) 0%, 
        rgba(45, 41, 78, 0.98) 100%);
}

/* Estilo para opciones dentro del select */
#taichat-select-prompt option {
    background: var(--tai-bg-surface);
    color: var(--tai-text-primary);
    padding: 12px;
    font-size: 0.95rem;
}

#taichat-select-prompt option:checked {
    background: linear-gradient(135deg, 
        var(--tai-purple-deep) 0%, 
        #2a2266 100%);
    color: var(--tai-gold-bright);
}

#taichat-select-prompt option:hover {
    background: var(--tai-accent-warm);
}

/* Grupo Input + Botón - MEJORADO VISUALMENTE */
.input-group {
    display: flex;
    gap: 12px;
    position: relative;
    background: linear-gradient(135deg, 
        rgba(20, 20, 25, 0.8) 0%, 
        rgba(45, 41, 78, 0.6) 100%);
    border: 1px solid rgba(230, 162, 162, 0.2);
    border-radius: 12px;
    padding: 6px;
    transition: all 0.3s ease;
    box-shadow: 
        inset 0 1px 0 rgba(255, 255, 255, 0.05),
        0 2px 10px rgba(0,0,0,0.1);
}

.input-group:focus-within {
    border-color: var(--tai-gold-bright);
    box-shadow: 
        0 0 20px rgba(230, 193, 102, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    background: linear-gradient(135deg, 
        rgba(20, 20, 25, 0.9) 0%, 
        rgba(45, 41, 78, 0.7) 100%);
    transform: translateY(-1px);
}

/* Campo de entrada con estados mejorados */
#taichat-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--tai-text-primary);
    padding: 14px 16px;
    font-size: 1.05rem;
    font-family: 'Quicksand', sans-serif;
    min-width: 0;
    letter-spacing: 0.3px;
}

#taichat-input:focus { 
    outline: none; 
}

#taichat-input::placeholder { 
    color: rgba(230, 162, 162, 0.5); 
    font-style: italic;
    letter-spacing: 0.5px;
}

/* Estado cuando hay texto */
#taichat-input:not(:placeholder-shown) {
    color: var(--tai-text-primary);
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Botón de enviar - MANTENIENDO PADDING/BORDER-RADIUS ORIGINAL */
#taichat-send-btn {
    background: linear-gradient(135deg, 
        var(--tai-accent-warm) 0%, 
        #d48989 100%);
    border: none;
    color: #1a1a1a;
    padding: 0 25px;
    border-radius: .115rem;
    font-weight: 700;
    font-family: 'Cinzel', serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-size: 0.85rem;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 2px 10px rgba(230, 162, 162, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

#taichat-send-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent);
    transition: left 0.5s ease;
}

#taichat-send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 
        0 4px 20px rgba(230, 162, 162, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, 
        #ffb3b3 0%, 
        var(--tai-accent-warm) 100%);
}

#taichat-send-btn:hover:not(:disabled)::before {
    left: 100%;
}

#taichat-send-btn:active:not(:disabled) {
    transform: translateY(0);
}

#taichat-send-btn:disabled {
    background: linear-gradient(135deg, 
        #4a4a4a 0%, 
        #333 100%);
    color: #666;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#taichat-send-btn i {
    font-size: 1rem;
    filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}

/* Descripción del prompt */
#prompt-description {
    font-size: 0.85rem;
    color: var(--tai-accent-warm);
    font-style: italic;
    margin-top: 6px;
    min-height: 1.2em;
    padding-left: 8px;
    border-left: 2px solid var(--tai-border-subtle);
    transition: all 0.3s ease;
}

#prompt-description:not(:empty) {
    opacity: 1;
    transform: translateY(0);
}

/* ================= DESPLEGABLE DE CRÉDITOS MEJORADO ================= */

.creditos-desplegable-container {
    margin-top: 12px;
}

.ver-creditos-btn {
    display: inline-flex;
    align-items: center;
    color: var(--tai-accent-warm);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 12px;
    border-radius: 6px;
    background: rgba(230, 162, 162, 0.1);
    border: 1px solid rgba(230, 162, 162, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.ver-creditos-btn:hover {
    background: rgba(230, 162, 162, 0.15);
    border-color: var(--tai-accent-warm);
    transform: translateY(-1px);
    text-decoration: none;
}

.ver-creditos-btn.active {
    background: rgba(230, 162, 162, 0.2);
    border-color: var(--tai-accent-warm);
}

.ver-creditos-btn i {
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.ver-creditos-btn.active i {
    transform: rotate(180deg);
}

.creditos-detalle {
    margin-top: 12px;
    padding: 15px;
    background: rgba(20, 20, 25, 0.7);
    border-radius: 10px;
    border: 1px solid var(--tai-border-subtle);
    backdrop-filter: blur(5px);
    animation: slideDown 0.3s ease-out;
}

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

.creditos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 10px;
}

.credito-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.credito-label {
    font-size: 0.75rem;
    color: var(--tai-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.credito-valor {
    padding: 6px 10px !important;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
    display: block;
    transition: all 0.3s ease;
}

.credito-valor.bg-success {
    background: linear-gradient(135deg, rgba(52, 211, 153, 0.2) 0%, rgba(52, 211, 153, 0.1) 100%);
    border: 1px solid rgba(52, 211, 153, 0.3);
    color: #7ddbb9;
}

.credito-valor.bg-warning {
    background: linear-gradient(135deg, 
        rgba(230, 193, 102, 0.2) 0%, 
        rgba(230, 193, 102, 0.1) 100%);
    border: 1px solid rgba(230, 193, 102, 0.3);
    color: var(--tai-gold-bright);
}

.credito-valor.bg-info {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.2) 0%, 
        rgba(59, 130, 246, 0.1) 100%);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

.creditos-nota {
    font-size: 0.8rem;
    color: var(--tai-text-muted);
    padding-top: 8px;
    border-top: 1px solid rgba(230, 162, 162, 0.1);
}

.creditos-nota i {
    color: var(--tai-gold-dim);
    margin-right: 6px;
}

/* Cursor de escritura mejorado */
.typewriter-cursor {
    color: var(--tai-gold-bright);
    font-weight: 300;
    animation: blink 0.8s infinite;
    margin-left: 2px;
    text-shadow: 0 0 10px rgba(230, 193, 102, 0.5);
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Mensajes de Error Mejorados */
.assistant-error {
    background: linear-gradient(135deg, 
        rgba(127, 29, 29, 0.3) 0%, 
        rgba(76, 29, 29, 0.2) 100%);
    border: 1px solid rgba(248, 113, 113, 0.4);
    color: #fca5a5;
    padding: 16px 20px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 10px 0;
    box-shadow: 
        0 4px 15px rgba(127, 29, 29, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.assistant-error::before {
    content: '⚠';
    font-size: 1.2rem;
    color: #f87171;
}

/* ================= RESPONSIVE Y MÓVIL MEJORADO ================= */

@media (max-width: 768px) {
    .taichat-instance { 
        margin: 15px; 
        border-radius: 18px;
        border-width: 1px;
    }
    
    #taichat-header { 
        padding: 18px 20px; 
    }
    
    #taichat-header h5 {
        font-size: 1.3rem;
        letter-spacing: 1px;
    }
    
    .chat-area { 
        padding: 20px; 
    }
    
    .chat-message { 
        max-width: 88%; 
        font-size: 1rem; 
        padding: 16px 20px;
        border-radius: 18px;
    }
    
    .taichat-message-wrapper { 
        gap: 12px; 
        margin-bottom: 24px;
    }
    
    .taichat-message-avatar { 
        width: 42px; 
        height: 42px; 
    }
    
    /* --- REDISEÑO DEL ÁREA DE INPUT MÓVIL MEJORADO --- */
    #taichat-input-form { 
        padding: 20px; 
        gap: 15px;
    }

    /* Stack vertical mejorado */
    .input-group {
        flex-direction: column;
        background: linear-gradient(135deg, 
            rgba(20, 20, 25, 0.9) 0%, 
            rgba(45, 41, 78, 0.8) 100%);
        border: 1px solid rgba(230, 162, 162, 0.25);
        padding: 8px;
        gap: 12px;
        border-radius: 12px;
    }

    /* Input móvil con mejor feedback */
    #taichat-input {
        width: 100%;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(230, 162, 162, 0.2);
        padding: 16px;
        font-size: 16px;
        box-sizing: border-box;
        border-radius: .115rem !important;
        min-height: 56px;
    }

    #taichat-input:focus {
        background: rgba(255, 255, 255, 0.08);
        border-color: var(--tai-gold-bright);
        box-shadow: 0 0 0 2px rgba(230, 193, 102, 0.1);
    }

    /* Botón móvil con mejor tap target */
    #taichat-send-btn {
        width: 100%;
        padding: 16px;
        font-size: 1rem;
        margin: 0;
        min-height: 56px;
        border-radius: .115rem;
    }

    /* Selector móvil mejorado */
    #taichat-select-prompt {
        font-size: 16px;
        padding: 14px 15px;
        padding-right: 45px;
        background-position: right 18px center;
        border-radius: 10px;
    }
    
    #taichat-select-prompt option {
        font-size: 15px;
        padding: 12px;
    }
    
    /* Desplegable de créditos en móvil */
    .creditos-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .ver-creditos-btn {
        width: 100%;
        justify-content: center;
        padding: 10px 15px;
    }
    
    .creditos-detalle {
        padding: 12px;
    }
    
    .credito-valor {
        padding: 8px 12px !important;
        font-size: 0.9rem;
    }
}

/* Estados visuales para interacción mejorada */
#taichat-input-form:not(.ready) .input-group {
    opacity: 0.7;
    filter: grayscale(0.3);
}

#taichat-input-form.ready .input-group {
    opacity: 1;
    filter: grayscale(0);
}

/* Indicador de conexión */
#taichat-membership-status .fa-spin {
    color: var(--tai-accent-warm);
}

/* Transiciones suaves para todos los estados */
#taichat-select-prompt,
#taichat-input,
#taichat-send-btn,
.taichat-message-avatar,
.chat-message {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Efecto de brillo sutil en elementos interactivos */
#taichat-select-prompt:focus,
#taichat-input:focus,
#taichat-send-btn:hover:not(:disabled) {
    filter: brightness(1.05);
}

/* Footer mejorado */
#taichat-footer {
    padding: 15px 30px;
    background: rgba(15, 16, 20, 0.8);
    border-top: 1px solid var(--tai-border-subtle);
    font-size: 0.85rem;
    color: var(--tai-text-muted);
    text-align: center;
    backdrop-filter: blur(5px);
}

#taichat-footer i {
    color: var(--tai-gold-dim);
    margin-right: 8px;
}

/* Ajuste final del border radius del input-group */
.input-group {
    border-radius: 6px;
}

/* Mejora de contraste para accesibilidad */
@media (prefers-contrast: high) {
    :root {
        --tai-gold-bright: #ffd700;
        --tai-accent-warm: #ff6b6b;
        --tai-text-primary: #ffffff;
    }
    
    .chat-message.assistant,
    .chat-message.user {
        border-width: 2px;
    }
    
    #taichat-send-btn {
        border: 2px solid var(--tai-accent-warm);
    }
    
    .ver-creditos-btn {
        border-width: 2px;
    }
}