/* ============================================
   INDUSTRY-GRADE HOME BUTTON COMPONENT
   Premium glassmorphism design with animations
   ============================================ */

:root {
    --home-btn-gradient-start: #0ea5e9;
    --home-btn-gradient-end: #6366f1;
    --home-btn-shadow: rgba(14, 165, 233, 0.4);
    --home-btn-glass-bg: rgba(255, 255, 255, 0.1);
    --home-btn-glass-border: rgba(255, 255, 255, 0.2);
}

/* Main Home Button Container */
.home-button-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 9999;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    animation: slideInUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    animation-delay: 0.3s;
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* The Button Itself */
.home-button {
    position: relative;
    width: 64px;
    height: 64px;
    border: none;
    border-radius: 20px;
    background: linear-gradient(135deg, var(--home-btn-gradient-start), var(--home-btn-gradient-end));
    box-shadow: 
        0 10px 30px var(--home-btn-shadow),
        0 0 0 1px var(--home-btn-glass-border);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    overflow: hidden;
    backdrop-filter: blur(10px);
}

/* Glassmorphism Overlay */
.home-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--home-btn-glass-bg);
    border-radius: 20px;
    transition: opacity 0.3s ease;
    opacity: 0;
}

.home-button:hover::before {
    opacity: 1;
}

/* Animated Gradient Background on Hover */
.home-button::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.home-button:hover::after {
    opacity: 1;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(10%, 10%);
    }
}

/* Icon Styling */
.home-button-icon {
    position: relative;
    z-index: 10;
    font-size: 24px;
    color: #ffffff;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Hover Effects */
.home-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 
        0 20px 40px var(--home-btn-shadow),
        0 0 0 2px var(--home-btn-glass-border),
        0 0 80px rgba(14, 165, 233, 0.3);
}

.home-button:hover .home-button-icon {
    transform: rotate(-15deg) scale(1.1);
}

/* Active/Click State */
.home-button:active {
    transform: translateY(-2px) scale(1);
    box-shadow: 
        0 10px 20px var(--home-btn-shadow),
        0 0 0 1px var(--home-btn-glass-border);
}

.home-button:active .home-button-icon {
    transform: rotate(-15deg) scale(0.95);
}

/* Tooltip */
.home-button-tooltip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    letter-spacing: 0.3px;
}

/* Tooltip Arrow */
.home-button-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid rgba(15, 23, 42, 0.95);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.home-button:hover .home-button-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
}

/* Ripple Effect on Click */
.home-button-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .home-button-container {
        bottom: 1.5rem;
        right: 1.5rem;
    }
    
    .home-button {
        width: 56px;
        height: 56px;
        border-radius: 16px;
    }
    
    .home-button-icon {
        font-size: 20px;
    }
    
    .home-button-tooltip {
        font-size: 12px;
        padding: 6px 12px;
    }
}

@media (max-width: 480px) {
    .home-button-container {
        bottom: 1rem;
        right: 1rem;
    }
    
    .home-button {
        width: 52px;
        height: 52px;
        border-radius: 14px;
    }
    
    .home-button-icon {
        font-size: 18px;
    }
}

/* Dark Mode Support (if applicable) */
@media (prefers-color-scheme: dark) {
    .home-button-tooltip {
        background: rgba(30, 41, 59, 0.95);
    }
    
    .home-button-tooltip::after {
        border-left-color: rgba(30, 41, 59, 0.95);
    }
}

/* Accessibility - Focus State */
.home-button:focus {
    outline: none;
    box-shadow: 
        0 20px 40px var(--home-btn-shadow),
        0 0 0 3px rgba(14, 165, 233, 0.5),
        0 0 80px rgba(14, 165, 233, 0.3);
}

.home-button:focus-visible {
    outline: 3px solid rgba(14, 165, 233, 0.8);
    outline-offset: 2px;
}

/* Print - Hide button when printing */
@media print {
    .home-button-container {
        display: none !important;
    }
}