/**
 * WhatsApp Chat Button Styles
 * Floating WhatsApp button for customer support
 * Designed to work alongside existing chatbot
 */

.whatsapp-chat-button {
    position: fixed;
    bottom: 24px;
    right: 86px; /* 50px chatbot btn + 12px gap + 24px base */
    z-index: 9989;
    cursor: pointer;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.whatsapp-chat-button.visible {
    transform: translateY(0);
    opacity: 1;
}

/* Alternative positioning when no chatbot is detected */
.whatsapp-chat-button.no-chatbot {
    right: 20px;
}

.whatsapp-button-main {
    position: relative;
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.40);
    transition: all 0.2s ease;
    overflow: hidden;
    border: none;
    outline: none;
}

.whatsapp-button-main:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-button-main:active {
    transform: scale(0.95);
}

.whatsapp-button-main:focus {
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6), 0 0 0 3px rgba(37, 211, 102, 0.3);
}

.whatsapp-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.3);
    animation: whatsapp-pulse 2s infinite;
}

@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: #333;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #333;
}

.whatsapp-chat-button:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-5px);
}

/* Animation for button entrance */
@keyframes whatsapp-bounce-in {
    0% {
        transform: scale(0) rotate(360deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

.whatsapp-chat-button.bounce-in .whatsapp-button-main {
    animation: whatsapp-bounce-in 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Mobile Responsive - Stack vertically above chatbot */
@media (max-width: 768px) {
    .whatsapp-chat-button {
        bottom: 84px; /* Position above chatbot on mobile */
        right: 16px;
    }
    
    .whatsapp-chat-button.no-chatbot {
        bottom: 16px;
    }
    
    .whatsapp-button-main {
        width: 48px;
        height: 48px;
        font-size: 22px;
    }
    
    .whatsapp-tooltip {
        display: none;
    }
}

/* Small mobile screens */
@media (max-width: 480px) {
    .whatsapp-chat-button {
        bottom: 80px;
        right: 12px;
    }
    
    .whatsapp-chat-button.no-chatbot {
        bottom: 12px;
    }
    
    .whatsapp-button-main {
        width: 46px;
        height: 46px;
        font-size: 20px;
    }
}

/* Very small screens */
@media (max-width: 360px) {
    .whatsapp-chat-button {
        bottom: 80px; /* Ensure clearance from chatbot */
        right: 10px;
    }
    
    .whatsapp-chat-button.no-chatbot {
        bottom: 10px;
    }
    
    .whatsapp-button-main {
        width: 45px;
        height: 45px;
        font-size: 20px;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .whatsapp-button-main {
        box-shadow: 0 2px 10px rgba(37, 211, 102, 0.4);
    }
    
    .whatsapp-button-main:hover {
        box-shadow: 0 3px 12px rgba(37, 211, 102, 0.6);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .whatsapp-tooltip {
        background: #1a1a1a;
        border: 1px solid #333;
    }
    
    .whatsapp-tooltip::after {
        border-left-color: #1a1a1a;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .whatsapp-chat-button {
        transition: opacity 0.2s ease;
    }
    
    .whatsapp-button-main {
        transition: transform 0.2s ease;
    }
    
    .whatsapp-pulse {
        animation: none;
    }
    
    .whatsapp-chat-button.bounce-in .whatsapp-button-main {
        animation: none;
    }
}

/* Print styles */
@media print {
    .whatsapp-chat-button {
        display: none !important;
    }
}

/* Specific adjustments for common chatbot positions */
.whatsapp-chat-button.chatbot-detected {
    /* When chatbot is detected, ensure proper spacing */
}

/* Desktop: Side-by-side layout */
@media (min-width: 769px) {
    .whatsapp-chat-button.chatbot-detected {
        right: 86px; /* 50px chatbot + 12px gap + 24px base */
    }
    
    .whatsapp-chat-button.chatbot-detected.no-space {
        right: 24px;
        bottom: 86px;
    }
}

/* Tablet: Vertical stacking */
@media (max-width: 768px) and (min-width: 481px) {
    .whatsapp-chat-button.chatbot-detected {
        bottom: 90px;
        right: 15px;
    }
}