/* 
 * Gurú Motivación - Chatbot UI 
 * Fase 1: Maquetación y UX
 */

:root {
    /* Paleta de Colores Real Gurú Motivación */
    --gm-yellow: #F4F412;
    --gm-black: #0F1115;
    --gm-gunmetal: #171F21;
    --gm-green: #CBFC0B; /* Para el punto de estado en vivo */

    /* Colores UI */
    --gm-bg-primary: #ffffff;
    --gm-bg-secondary: #f8fafc;
    --gm-text-primary: #0F1115;
    --gm-text-secondary: #64748b;
    --gm-border: #e2e8f0;
    --gm-header-bg: #171F21;
    
    /* Variables de diseño */
    --gm-font: 'Inter', system-ui, -apple-system, sans-serif;
    --gm-radius-lg: 20px;
    --gm-radius-md: 16px;
    --gm-radius-sm: 12px;
    --gm-shadow-soft: 0 10px 40px -10px rgba(0,0,0,0.15);
    --gm-shadow-hover: 0 20px 50px -10px rgba(0,0,0,0.25);
    --gm-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset dentro del contenedor para no afectar la página principal */
#guru-chatbot-container {
    font-family: var(--gm-font);
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#guru-chatbot-container *,
#guru-chatbot-container *::before,
#guru-chatbot-container *::after {
    box-sizing: inherit;
}

/* --- Botón Flotante --- */
.guru-chatbot-trigger {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background-color: var(--gm-yellow);
    background-image: linear-gradient(135deg, var(--gm-yellow) 0%, #e6e600 100%);
    color: var(--gm-black);
    border: none;
    box-shadow: var(--gm-shadow-soft);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999999;
    transition: var(--gm-transition);
    animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.guru-chatbot-trigger:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: var(--gm-shadow-hover);
    /* Inversión a oscuro en el hover para mayor premium feel */
    background-color: var(--gm-black);
    background-image: linear-gradient(135deg, var(--gm-black) 0%, var(--gm-gunmetal) 100%);
    color: var(--gm-yellow);
}

.guru-chatbot-trigger svg {
    width: 28px;
    height: 28px;
    transition: var(--gm-transition);
}

.guru-chatbot-trigger .close-icon {
    position: absolute;
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

.guru-chatbot-trigger.active .chat-icon {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

.guru-chatbot-trigger.active .close-icon {
    opacity: 1;
    transform: rotate(0) scale(1);
    display: block;
}

.guru-chatbot-trigger.active .close-icon.hidden {
    display: block;
}

/* Efecto de ondas suaves para llamar la atención (Ripples) */
.guru-chatbot-trigger::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background-color: var(--gm-yellow);
    z-index: -1;
    animation: waveEffect 2.5s infinite cubic-bezier(0.25, 0.8, 0.25, 1);
}

@keyframes waveEffect {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.7);
        opacity: 0;
    }
}

/* Evitar el efecto onda cuando el chat está activo (opcional, mejora UX) */
.guru-chatbot-trigger.active::before {
    animation: none;
    opacity: 0;
}

/* --- Tooltip Burbuja Flotante --- */
.guru-chatbot-tooltip {
    position: fixed;
    bottom: 104px;
    right: 24px;
    background-color: var(--gm-bg-primary);
    color: var(--gm-text-primary);
    padding: 14px 20px;
    border-radius: var(--gm-radius-lg);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    z-index: 999998;
    font-size: 14px;
    font-weight: 500;
    pointer-events: none; /* No bloquea clics detrás */
    transform-origin: bottom right;
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 1;
    transform: scale(1) translateY(0);
    border: 1px solid var(--gm-border);
}

.guru-chatbot-tooltip.hidden {
    opacity: 0;
    transform: scale(0.9) translateY(10px);
}

.guru-chatbot-tooltip .tooltip-tail {
    position: absolute;
    bottom: -7px;
    right: 22px;
    width: 14px;
    height: 14px;
    background-color: var(--gm-bg-primary);
    transform: rotate(45deg);
    border-bottom-right-radius: 3px;
    border-right: 1px solid var(--gm-border);
    border-bottom: 1px solid var(--gm-border);
    z-index: -1;
}

#guru-tooltip-text {
    display: inline-block;
    transition: opacity 0.3s ease;
}

.text-fade-out {
    opacity: 0;
}

/* --- Ventana del Chatbot --- */
.guru-chatbot-window {
    position: fixed;
    bottom: 100px;
    right: 24px;
    width: 400px;
    height: 620px;
    max-height: calc(100vh - 120px);
    background-color: var(--gm-bg-primary);
    border-radius: var(--gm-radius-lg);
    box-shadow: var(--gm-shadow-soft);
    display: flex;
    flex-direction: column;
    z-index: 999998;
    overflow: hidden;
    transition: opacity 0.3s ease, transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: bottom right;
    opacity: 1;
    transform: scale(1) translateY(0);
}

.guru-chatbot-window.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.9) translateY(20px);
}

/* --- Header --- */
.guru-chatbot-header {
    background-color: var(--gm-header-bg);
    color: white;
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

/* Acento de marca superior */
.guru-chatbot-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gm-yellow), var(--gm-green));
}

.guru-chatbot-header-info {
    display: flex;
    align-items: center;
    gap: 14px;
}

.guru-chatbot-avatar {
    width: 42px;
    height: 42px;
    background-color: var(--gm-yellow);
    color: var(--gm-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.5px;
}

.guru-chatbot-title-area h3 {
    margin: 0 0 2px 0;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: white;
}

.guru-chatbot-status {
    font-size: 13px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--gm-green);
    border-radius: 50%;
    display: inline-block;
    /* Efecto de pulso en vivo */
    animation: pulseStatus 1.5s infinite;
}

.guru-chatbot-close {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--gm-transition);
}

.guru-chatbot-close:hover {
    color: var(--gm-yellow);
    background-color: rgba(255,255,255,0.1);
}

.guru-chatbot-close svg {
    width: 24px;
    height: 24px;
}

/* --- Área de Mensajes --- */
.guru-chatbot-messages {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    background-color: var(--gm-bg-secondary);
    display: flex;
    flex-direction: column;
    gap: 20px;
    scroll-behavior: smooth;
}

/* Scrollbar styling */
.guru-chatbot-messages::-webkit-scrollbar {
    width: 6px;
}
.guru-chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}
.guru-chatbot-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}

/* Burbujas de chat */
.guru-chatbot-message {
    max-width: 85%;
    padding: 14px 18px;
    font-size: 14px;
    line-height: 1.5;
    animation: messageAppear 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.guru-chatbot-message p {
    margin: 0;
}

.guru-chatbot-message p + p {
    margin-top: 8px;
}

.bot-message {
    align-self: flex-start;
    background-color: var(--gm-bg-primary);
    color: var(--gm-text-primary);
    border: 1px solid var(--gm-border);
    border-radius: var(--gm-radius-md);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.user-message {
    align-self: flex-end;
    background-color: var(--gm-yellow);
    color: var(--gm-black);
    border-radius: var(--gm-radius-md);
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 12px rgba(244, 244, 18, 0.15);
    font-weight: 500;
}

/* --- Opciones (Botones iniciales) --- */
.guru-chatbot-options-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    animation: messageAppear 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
    opacity: 0;
}

.guru-chatbot-option {
    background-color: var(--gm-bg-primary);
    border: 1px solid var(--gm-border);
    color: var(--gm-black);
    padding: 12px 16px;
    border-radius: var(--gm-radius-md);
    font-size: 14px;
    font-weight: 500;
    text-align: left;
    cursor: pointer;
    transition: var(--gm-transition);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--gm-font);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
}

.guru-chatbot-option:hover {
    background-color: var(--gm-yellow);
    border-color: var(--gm-yellow);
    color: var(--gm-black);
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(244, 244, 18, 0.2);
}

.option-icon {
    font-size: 16px;
}

/* Indicador de escritura (Typing) */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: 14px 18px;
    background-color: var(--gm-bg-primary);
    border: 1px solid var(--gm-border);
    border-radius: var(--gm-radius-md);
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    width: fit-content;
    animation: messageAppear 0.3s forwards;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: #cbd5e1;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }
.typing-dot:nth-child(3) { animation-delay: 0s; }

/* --- Input Area --- */
.guru-chatbot-input-area {
    padding: 16px 24px;
    background-color: var(--gm-bg-primary);
    border-top: 1px solid var(--gm-border);
    display: flex;
    gap: 12px;
    align-items: center;
}

#guru-chatbot-input {
    flex: 1;
    border: 1px solid var(--gm-border);
    background-color: var(--gm-bg-secondary);
    padding: 14px 16px;
    border-radius: 24px;
    font-size: 14px;
    font-family: var(--gm-font);
    color: var(--gm-text-primary);
    transition: var(--gm-transition);
    outline: none;
}

#guru-chatbot-input::placeholder {
    color: #94a3b8;
}

#guru-chatbot-input:focus {
    border-color: var(--gm-yellow);
    background-color: var(--gm-bg-primary);
    box-shadow: 0 0 0 3px rgba(244, 244, 18, 0.2);
}

#guru-chatbot-send {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--gm-black);
    color: var(--gm-yellow);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--gm-transition);
    flex-shrink: 0;
}

#guru-chatbot-send:disabled {
    background-color: var(--gm-bg-secondary);
    color: #cbd5e1;
    border: 1px solid var(--gm-border);
    cursor: not-allowed;
    transform: none;
}

#guru-chatbot-send:not(:disabled):hover {
    background-color: var(--gm-yellow);
    color: var(--gm-black);
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 4px 10px rgba(244, 244, 18, 0.3);
}

#guru-chatbot-send svg {
    width: 18px;
    height: 18px;
    margin-left: -2px;
}

/* --- Animaciones --- */
@keyframes slideUpFade {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes messageAppear {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Animación de pulso para el estado en vivo */
@keyframes pulseStatus {
    0% {
        box-shadow: 0 0 0 0 rgba(203, 252, 11, 0.7);
        transform: scale(0.95);
    }
    70% {
        box-shadow: 0 0 0 6px rgba(203, 252, 11, 0);
        transform: scale(1);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(203, 252, 11, 0);
        transform: scale(0.95);
    }
}

/* --- Responsive (Mobile) --- */
@media screen and (max-width: 480px) {
    .guru-chatbot-window {
        width: 100%;
        height: 100%;
        max-height: 100vh;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }
    
    .guru-chatbot-trigger {
        bottom: 20px;
        right: 20px;
        width: 56px;
        height: 56px;
    }

    .guru-chatbot-header {
        border-radius: 0;
        padding: 16px 20px;
    }

    .guru-chatbot-input-area {
        padding: 12px 20px;
        padding-bottom: env(safe-area-inset-bottom, 12px);
    }
    
    .guru-chatbot-messages {
        padding: 20px;
    }
}