/* ============================================
   CHATBOT STYLES
   ============================================ */

/* Chatbot Trigger Button */
.chatbot-trigger {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 64px;
    height: 64px;
    background: var(--accent-gradient);
    border: none;
    border-radius: 50%;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.4);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    font-size: 28px;
    transition: var(--transition-base);
    z-index: 999;
}

.chatbot-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 102, 255, 0.5);
}

.chatbot-trigger:active {
    transform: scale(0.95);
}

.chatbot-notification {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 24px;
    height: 24px;
    background: #FF3366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    border: 2px solid var(--dark-bg);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Chatbot Overlay */
.chatbot-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 997;
    display: none;
    animation: fadeIn 0.3s ease-out;
}

.chatbot-overlay.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Chatbot Widget */
.chatbot-widget {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, calc(-50% + 20px)) scale(0.9);
    width: 90%;
    max-width: 900px;
    height: 85vh;
    max-height: 700px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 998;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chatbot-widget.active {
    display: flex;
    opacity: 1;
    transform: translate(-50%, calc(-50% + 20px)) scale(1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, calc(-50% + 20px)) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translate(-50%, calc(-50% + 20px)) scale(1);
    }
}

/* Chatbot Header */
.chatbot-header {
    background: var(--accent-gradient);
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chatbot-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-avatar {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--text-primary);
}

.chatbot-header-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.chatbot-status {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 6px;
}

.chatbot-status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: #00FF88;
    border-radius: 50%;
    display: inline-block;
    animation: blink 1.5s infinite;
}

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

.chatbot-close {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.chatbot-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Chatbot Messages */
.chatbot-messages {
    flex: 1;
    padding: 32px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scroll on iOS */
    overscroll-behavior: contain; /* Prevent scroll chaining */
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: var(--dark-bg);
    min-height: 250px; /* Ensure messages always visible when form appears */
    touch-action: pan-y; /* Enable vertical touch scrolling */
}

.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.chatbot-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chatbot-message {
    display: flex;
    gap: 12px;
    animation: fadeInMessage 0.4s ease-out;
}

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

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

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--text-primary);
    flex-shrink: 0;
}

.chatbot-message.user .message-avatar {
    background: rgba(255, 255, 255, 0.1);
}

.message-content {
    max-width: 75%;
}

.message-bubble {
    padding: 14px 18px;
    border-radius: 18px;
    font-size: 14px;
    line-height: 1.6;
}

.chatbot-message.bot .message-bubble {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.chatbot-message.user .message-bubble {
    background: var(--accent-gradient);
    color: var(--text-primary);
    border-bottom-right-radius: 4px;
    margin-left: auto;
}

.message-time {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
    padding: 0 8px;
}

.chatbot-message.user .message-time {
    text-align: right;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 14px 18px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    width: fit-content;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: typingDot 1.4s infinite;
}

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

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

@keyframes typingDot {
    0%, 60%, 100% {
        opacity: 0.3;
        transform: translateY(0);
    }
    30% {
        opacity: 1;
        transform: translateY(-8px);
    }
}

/* Chatbot Input Container */
.chatbot-input-container {
    padding: 20px 24px;
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    max-height: 50vh; /* Limitar altura máxima */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scroll on iOS */
    overscroll-behavior: contain;
    touch-action: pan-y;
}

.chatbot-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chatbot-option-btn {
    padding: 14px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    text-align: left;
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-option-btn:hover {
    background: rgba(0, 102, 255, 0.1);
    border-color: var(--primary-blue);
}

.chatbot-option-btn i {
    color: var(--secondary-blue);
    font-size: 16px;
}

/* Chatbot Form */
.chatbot-form {
    padding: 32px;
    padding-bottom: 32px;
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    max-height: 300px; /* Reduced from 450px to prevent hiding messages */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch; /* Smooth scroll on iOS */
    overscroll-behavior: contain; /* Prevent scroll chaining */
    touch-action: pan-y; /* Enable vertical touch scrolling */
    position: relative;
}

/* Indicador de scroll */
.chatbot-form::after {
    content: '';
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--darker-bg) 30%, transparent 100%);
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.3s ease;
    margin-bottom: -80px;
}

.chatbot-form.scrolled-to-bottom::after {
    opacity: 0;
}

/* Indicador animado de "más contenido abajo" */
.scroll-indicator {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary-blue);
    color: white;
    padding: 14px 20px;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    cursor: pointer;
    z-index: 10;
    box-shadow: 0 -4px 20px rgba(0, 102, 255, 0.4);
    transition: all 0.3s ease;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
}

.scroll-indicator:hover {
    background: linear-gradient(135deg, #0052cc 0%, #003d99 100%);
    box-shadow: 0 -6px 24px rgba(0, 102, 255, 0.6);
    padding: 16px 20px;
}

.scroll-indicator i {
    animation: bounceArrow 1.5s infinite;
    font-size: 18px;
}

@keyframes bounceArrow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(5px);
    }
}

.scroll-indicator.hidden {
    opacity: 0;
    transform: translateY(100%);
    pointer-events: none;
}

@keyframes bounce {
    0%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    50% {
        transform: translateX(-50%) translateY(-8px);
    }
}

.chatbot-form::-webkit-scrollbar {
    width: 6px;
}

.chatbot-form::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-form::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-group label .required {
    color: #FF3366;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 14px;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-error {
    font-size: 12px;
    color: #FF3366;
    margin-top: 6px;
    display: none;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
    border-color: #FF3366;
}

.form-group.error .form-error {
    display: block;
}

.form-submit {
    width: 100%;
    padding: 14px 24px;
    background: var(--accent-gradient);
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.form-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.3);
}

.form-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.form-success {
    text-align: center;
    padding: 32px 24px;
}

.form-success i {
    font-size: 64px;
    color: #00FF88;
    margin-bottom: 16px;
}

.form-success h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.form-success p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .chatbot-widget {
        width: 95%;
        max-width: none;
        height: 90vh;
        max-height: none;
    }
    
    .chatbot-messages {
        padding: 24px;
        max-height: none;
        min-height: 200px; /* Ensure visibility on tablet */
    }
    
    .chatbot-form {
        padding: 24px;
        max-height: 280px; /* Reduced for tablet */
    }
}

@media (max-width: 480px) {
    .chatbot-widget {
        width: 100%;
        height: 85vh; /* Reducido de 100vh para dejar espacio */
        max-height: 85vh;
        border-radius: 16px 16px 0 0;
        transform: translate(-50%, -50%) scale(1);
        top: auto;
        bottom: 0;
        transform: translateX(-50%);
    }
    
    .chatbot-widget.active {
        transform: translateX(-50%);
    }
    
    .chatbot-trigger {
        width: 56px;
        height: 56px;
        font-size: 24px;
        right: 12px;
        bottom: 20px;
    }
    
    .message-content {
        max-width: 85%;
    }
    
    .chatbot-header {
        padding: 14px 16px;
        flex-shrink: 0;
    }
    
    .chatbot-messages {
        padding: 12px;
        flex: 1;
        min-height: 100px;
        max-height: 35vh; /* Limitar altura de mensajes */
    }
    
    .chatbot-form {
        padding: 12px;
        max-height: 40vh; /* Más espacio para el formulario */
        flex-shrink: 0;
    }
    
    .chatbot-input-container {
        padding: 12px 16px;
        max-height: 45vh; /* Más espacio para opciones */
        flex-shrink: 0;
    }
    
    .chatbot-option-btn {
        padding: 12px 16px;
        font-size: 13px;
    }
    
    .chatbot-option-btn i {
        font-size: 14px;
    }
    
    .message-bubble {
        padding: 10px 14px;
        font-size: 13px;
    }
    
    .message-avatar {
        width: 30px;
        height: 30px;
        font-size: 14px;
    }
    
    /* Ocultar scrollbar pero mantener funcionalidad en móvil */
    .chatbot-messages::-webkit-scrollbar,
    .chatbot-input-container::-webkit-scrollbar,
    .chatbot-form::-webkit-scrollbar {
        width: 4px;
    }
    
    .chatbot-messages::-webkit-scrollbar-thumb,
    .chatbot-input-container::-webkit-scrollbar-thumb,
    .chatbot-form::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.3);
        border-radius: 2px;
    }
}

/* Estilos adicionales para pantallas muy pequeñas */
@media (max-width: 380px) {
    .chatbot-widget {
        height: 80vh;
        max-height: 80vh;
    }
    
    .chatbot-header {
        padding: 12px 14px;
    }
    
    .chatbot-avatar {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .chatbot-header-text h4 {
        font-size: 14px;
    }
    
    .chatbot-status {
        font-size: 11px;
    }
    
    .chatbot-option-btn {
        padding: 10px 12px;
        font-size: 12px;
        gap: 8px;
    }
    
    .chatbot-messages {
        padding: 10px;
        gap: 12px;
    }
    
    .form-group {
        margin-bottom: 14px;
    }
    
    .form-group label {
        font-size: 12px;
        margin-bottom: 6px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 10px 12px;
        font-size: 13px;
    }
    
    .form-submit {
        padding: 12px 20px;
        font-size: 14px;
    }
}