/* ========================================
   FLOATING BUBBLES - PROFESSIONAL 2025
   Subtle - Low z-index - Recruiter-friendly
   ======================================== */

/* Floating Message Container */
.floating-messages {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 100;
    overflow: visible;
    perspective: 1200px;
}

/* Message Bubbles - Subtle Professional Styling */
.message-bubble {
    position: absolute;
    pointer-events: auto;
    cursor: pointer;
    padding: 16px 24px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04), rgba(59, 130, 246, 0.02));
    backdrop-filter: blur(8px) saturate(140%);
    -webkit-backdrop-filter: blur(8px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    color: rgba(148, 163, 184, 0.85);
    font-size: 0.85rem;
    line-height: 1.55;
    font-weight: 450;
    letter-spacing: 0.01em;
    font-family: 'Inter', 'Segoe UI', Arial, sans-serif;
    text-align: center;
    max-width: 280px;
    min-width: 180px;
    box-shadow:
        0 6px 20px rgba(0, 0, 0, 0.15),
        0 2px 8px rgba(0, 0, 0, 0.1);
    opacity: 0;
    transform: translate3d(0, 0, var(--depth, 0px)) scale(var(--scale, 1));
    animation: float var(--float-duration, 30s) ease-in-out infinite, fadeIn 1s forwards;
    animation-delay: var(--float-delay, 0s), 0s;
    z-index: 2;
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), 
                background 0.4s ease, 
                border-color 0.4s ease, 
                box-shadow 0.4s ease, 
                opacity 0.3s ease;
    transform-style: preserve-3d;
    will-change: transform, opacity;
}

@keyframes float {
    0%, 100% {
        transform: translate3d(0, 0, var(--depth, 0px)) rotate(0deg) scale(var(--scale, 1));
    }
    25% {
        transform: translate3d(0, -2px, var(--depth, 0px)) rotate(0.75deg) scale(var(--scale, 1));
    }
    50% {
        transform: translate3d(0, -5px, var(--depth, 0px)) rotate(-0.75deg) scale(var(--scale, 1));
    }
    75% {
        transform: translate3d(0, -2.5px, var(--depth, 0px)) rotate(0.5deg) scale(var(--scale, 1));
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translate3d(0, 15px, var(--depth, 0px)) scale(0.95);
    }
    100% {
        opacity: 0.18;
        transform: translate3d(0, 0, var(--depth, 0px)) scale(var(--scale, 1));
    }
}

/* Hover Effects - Subtle enhancement */
.message-bubble:hover {
    opacity: 0.7;
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(59, 130, 246, 0.25);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.12), 0 4px 12px rgba(0, 0, 0, 0.15);
    transform: translate3d(0, -3px, var(--depth, 5px)) scale(1.02);
    animation-play-state: paused;
}

/* Subtle gradient border on hover */
.message-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 14px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(30, 64, 175, 0.3));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
}

.message-bubble:hover::before {
    opacity: 0.3;
}

/* States */
.message-bubble.paused {
    animation-play-state: paused !important;
}

.message-bubble.expanded {
    max-width: 350px;
    padding: 20px 28px;
    z-index: 100;
    font-size: 0.9rem;
    line-height: 1.6;
    box-shadow: 0 15px 40px rgba(59, 130, 246, 0.2), 0 8px 20px rgba(0, 0, 0, 0.2);
}

.message-bubble:focus {
    outline: 2px solid rgba(59, 130, 246, 0.5);
    outline-offset: 4px;
    border-color: rgba(59, 130, 246, 0.4);
}

.message-bubble:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.6);
    outline-offset: 4px;
}

/* Responsive Adjustments */
@media (max-width: 1200px) {
    .message-bubble {
        font-size: 0.8rem;
        padding: 14px 20px;
        max-width: 240px;
    }

    .message-bubble.expanded {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .floating-messages {
        display: none;
    }
}

/* Accessibility - Respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
    .message-bubble {
        animation: none !important;
        transition: opacity 0.3s ease, transform 0.3s ease;
    }
}