/* ================================================================== */
/* AWARD-WINNING ICON SYSTEM - Custom Electromagnetic Icons */
/* ================================================================== */

/* Base Icon Styles */
.icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    vertical-align: middle;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

/* Icon hover effects */
.icon:hover {
    transform: scale(1.1);
    filter: brightness(1.2);
}

/* Icon with electromagnetic field interaction */
.icon-interactive {
    cursor: pointer;
    position: relative;
}

.icon-interactive::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.2) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    transition: transform 0.4s ease;
    pointer-events: none;
    z-index: -1;
}

.icon-interactive:hover::before {
    transform: translate(-50%, -50%) scale(1);
}

/* Navigation Icons */
.icon-back {
    background-image: url('/images/icons/back-arrow-vortex.svg');
}

.icon-external {
    background-image: url('/images/icons/external-link-portal.svg');
}

.icon-scroll {
    background-image: url('/images/icons/scroll-waves.svg');
}

.icon-search {
    background-image: url('/images/icons/search-quantum.svg');
}

/* Content Category Icons */
.icon-vortex {
    background-image: url('/images/icons/energy-vortex.svg');
}

.icon-sacred {
    background-image: url('/images/icons/sacred-sites.svg');
}

.icon-research {
    background-image: url('/images/icons/research-science.svg');
}

.icon-danger {
    background-image: url('/images/icons/warning-danger.svg');
}

/* Size Variations */
.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-md {
    width: 32px;
    height: 32px;
}

.icon-lg {
    width: 48px;
    height: 48px;
}

.icon-xl {
    width: 64px;
    height: 64px;
}

/* Inline Icon Styles */
.icon-inline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.icon-inline .icon {
    margin-right: 0;
}

/* Animated Icon Container */
.icon-container {
    display: inline-block;
    position: relative;
}

.icon-container .icon-aura {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: -1;
}

.icon-container:hover .icon-aura {
    opacity: 1;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.5; }
}

/* Back Navigation Enhancement */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #00ff88;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 30px;
    background: transparent;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.back-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 136, 0.1), transparent);
    transition: left 0.5s ease;
}

.back-link:hover::before {
    left: 100%;
}

.back-link:hover {
    border-color: #00ff88;
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
    transform: translateX(-5px);
}

.back-link .icon {
    width: 20px;
    height: 20px;
}

/* Search Enhancement */
.search-container {
    position: relative;
    display: inline-block;
}

.search-icon {
    position: absolute;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    pointer-events: none;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.search-input:focus + .search-icon {
    opacity: 1;
    animation: quantumScan 2s ease-in-out infinite;
}

@keyframes quantumScan {
    0%, 100% { transform: translateY(-50%) scale(1); }
    50% { transform: translateY(-50%) scale(1.1); }
}

/* Warning/Danger Icon Special Effects */
.icon-danger {
    animation: dangerPulse 1s ease-in-out infinite;
}

@keyframes dangerPulse {
    0%, 100% { 
        filter: drop-shadow(0 0 5px #ff0000);
    }
    50% { 
        filter: drop-shadow(0 0 20px #ff0000) brightness(1.2);
    }
}

/* Vortex Icon Special Effects */
.icon-vortex {
    animation: vortexSpin 20s linear infinite;
}

@keyframes vortexSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Sacred Icon Special Effects */
.icon-sacred {
    position: relative;
}

.icon-sacred::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(78, 205, 196, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.icon-sacred:hover::after {
    opacity: 1;
    animation: sacredGlow 3s ease-in-out infinite;
}

@keyframes sacredGlow {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.3); }
}

/* External Link Icon Effects */
.external-link {
    position: relative;
    padding-right: 30px;
}

.external-link::after {
    content: '';
    position: absolute;
    top: 50%;
    right: 0;
    width: 20px;
    height: 20px;
    transform: translateY(-50%);
    background-image: url('/images/icons/external-link-portal.svg');
    background-size: contain;
    background-repeat: no-repeat;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.external-link:hover::after {
    opacity: 1;
    transform: translateY(-50%) translateX(3px) translateY(-3px);
}

/* Scroll Indicator Enhancement */
.scroll-indicator {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background-image: url('/images/icons/scroll-waves.svg');
    background-size: contain;
    background-repeat: no-repeat;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.3s ease;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

.scroll-indicator:hover {
    opacity: 1;
}

/* Icon Button Styles */
.btn-icon {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: linear-gradient(135deg, #00ff88 0%, #FFD700 100%);
    color: #000033;
    border: none;
    border-radius: 30px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-icon::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: rotate(45deg);
    transition: all 0.6s;
    opacity: 0;
}

.btn-icon:hover::before {
    animation: shimmer 0.6s ease;
}

.btn-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

/* Icon Grid Layout */
.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 20px;
    padding: 20px;
}

.icon-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.icon-grid-item:hover {
    background: rgba(0, 255, 136, 0.05);
    border-color: #00ff88;
    transform: translateY(-5px);
}

.icon-grid-item .icon {
    width: 48px;
    height: 48px;
}

.icon-grid-item .icon-label {
    font-size: 0.9em;
    color: #aaa;
    text-align: center;
}

/* Responsive Icon Adjustments */
@media (max-width: 768px) {
    .icon {
        width: 20px;
        height: 20px;
    }
    
    .icon-md {
        width: 28px;
        height: 28px;
    }
    
    .icon-lg {
        width: 40px;
        height: 40px;
    }
    
    .scroll-indicator {
        width: 32px;
        height: 32px;
        bottom: 20px;
    }
}