/**
 * Floating Action Button (FAB) Styles
 * Bottom-left quiz promotion button
 */

/* Base FAB Styles */
.cairns-quiz-fab {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 999;
    
    width: 70px;
    height: 70px;
    border-radius: 50%;
    
    /* Brand pink gradient (matching Start Here button) */
    background: linear-gradient(135deg, #FF1D8E 0%, #E91E7A 100%);
    box-shadow: 0 4px 20px rgba(255, 29, 142, 0.4);
    
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0;
    
    text-decoration: none;
    cursor: pointer;
    border: none;
    outline: none;
    
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: cairns-fab-pulse 3s ease-in-out infinite;
    
    /* Prevent text selection */
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Icon */
.cairns-quiz-fab__icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    transition: all 0.3s ease;
    display: block;
    /* White outline/glow effect */
    filter: drop-shadow(0 0 2px rgba(255, 255, 255, 0.8));
    border-radius: 50%;
}

/* Text (hidden by default) */
.cairns-quiz-fab__text {
    display: none;
    color: white;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* Arrow (hidden by default) */
.cairns-quiz-fab__arrow {
    display: none;
    color: white;
    flex-shrink: 0;
}

/* Pulse Animation */
@keyframes cairns-fab-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 4px 20px rgba(255, 29, 142, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 25px rgba(255, 29, 142, 0.5);
    }
}

/* Hover State (Desktop Only) */
@media (hover: hover) and (pointer: fine) {
    .cairns-quiz-fab:hover {
        width: 220px;
        border-radius: 35px;
        padding: 0 20px 0 15px;
        justify-content: flex-start;
        animation: none; /* Stop pulsing on hover */
        transform: translateX(0) scale(1);
        box-shadow: 0 6px 25px rgba(255, 29, 142, 0.6);
    }
    
    .cairns-quiz-fab:hover .cairns-quiz-fab__icon {
        width: 38px;
        height: 38px;
    }
    
    .cairns-quiz-fab:hover .cairns-quiz-fab__text {
        display: block;
    }
    
    .cairns-quiz-fab:hover .cairns-quiz-fab__arrow {
        display: block;
        animation: cairns-arrow-slide 0.6s ease-in-out infinite;
    }
}

/* Arrow slide animation */
@keyframes cairns-arrow-slide {
    0%, 100% {
        transform: translateX(0);
    }
    50% {
        transform: translateX(4px);
    }
}

/* Active/Click State */
.cairns-quiz-fab:active {
    transform: scale(0.95);
}

/* Focus State (for accessibility) */
.cairns-quiz-fab:focus {
    outline: 3px solid rgba(255, 29, 142, 0.5);
    outline-offset: 2px;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .cairns-quiz-fab {
        width: 60px;
        height: 60px;
        bottom: 20px; /* Same level as "Top" button */
        left: 16px;
    }
    
    .cairns-quiz-fab__icon {
        width: 38px;
        height: 38px;
    }
    
    /* Ensure no expansion on mobile */
    .cairns-quiz-fab:hover,
    .cairns-quiz-fab:active {
        width: 60px;
        border-radius: 50%;
        padding: 0;
    }
    
    .cairns-quiz-fab:hover .cairns-quiz-fab__text,
    .cairns-quiz-fab:hover .cairns-quiz-fab__arrow {
        display: none;
    }
}

/* Tablet Adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
    .cairns-quiz-fab {
        width: 65px;
        height: 65px;
        bottom: 20px;
        left: 20px;
    }
    
    .cairns-quiz-fab__icon {
        width: 40px;
        height: 40px;
    }
}

/* Small mobile devices */
@media (max-width: 375px) {
    .cairns-quiz-fab {
        width: 56px;
        height: 56px;
        bottom: 20px; /* Same level as "Top" button */
        left: 12px;
    }
    
    .cairns-quiz-fab__icon {
        width: 34px;
        height: 34px;
    }
}

/* Very short screens - keep FAB at same level as Top button */
@media (max-height: 600px) and (max-width: 768px) {
    .cairns-quiz-fab {
        bottom: 15px;
    }
}

/* Landscape mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .cairns-quiz-fab {
        bottom: 15px; /* Slightly lower in landscape for space */
        left: 10px;
        width: 50px;
        height: 50px;
    }
    
    .cairns-quiz-fab__icon {
        width: 32px;
        height: 32px;
    }
}

/* Print: Hide FAB */
@media print {
    .cairns-quiz-fab {
        display: none !important;
    }
}

/* Dark mode support (if theme uses dark mode) */
@media (prefers-color-scheme: dark) {
    .cairns-quiz-fab {
        box-shadow: 0 4px 20px rgba(255, 29, 142, 0.6);
    }
    
    .cairns-quiz-fab:hover {
        box-shadow: 0 6px 25px rgba(255, 29, 142, 0.7);
    }
}

/* Reduced motion support (accessibility) */
@media (prefers-reduced-motion: reduce) {
    .cairns-quiz-fab {
        animation: none !important;
    }
    
    .cairns-quiz-fab__arrow {
        animation: none !important;
    }
    
    .cairns-quiz-fab,
    .cairns-quiz-fab__icon,
    .cairns-quiz-fab__text,
    .cairns-quiz-fab__arrow {
        transition: none !important;
    }
}