/* ==============================================
   PeakChecker v4.4.0 - ENHANCED FONTAWESOME CUSTOM CSS
   Professional Icon Styling & Animations
   Production Ready - Updated: 2026-01-01
   ============================================== */

/* ===== ENHANCED ICON STYLING SYSTEM ===== */
:root {
    --icon-primary: #3b82f6;
    --icon-secondary: #10b981;
    --icon-accent: #8b5cf6;
    --icon-warning: #f59e0b;
    --icon-danger: #ef4444;
    --icon-success: #10b981;
    --icon-info: #06b6d4;
    --icon-light: #f8fafc;
    --icon-dark: #1e293b;
    --icon-gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --icon-gradient-success: linear-gradient(135deg, #10b981, #059669);
    --icon-gradient-warning: linear-gradient(135deg, #f59e0b, #d97706);
    --icon-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --icon-shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
    --icon-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== ENHANCED ICON SIZES ===== */
.fa-icon-xs { font-size: 0.75rem !important; }
.fa-icon-sm { font-size: 0.875rem !important; }
.fa-icon-md { font-size: 1rem !important; }
.fa-icon-lg { font-size: 1.25rem !important; }
.fa-icon-xl { font-size: 1.5rem !important; }
.fa-icon-2xl { font-size: 2rem !important; }
.fa-icon-3xl { font-size: 2.5rem !important; }
.fa-icon-4xl { font-size: 3rem !important; }
.fa-icon-5xl { font-size: 3.5rem !important; }

/* ===== ENHANCED ICON COLORS ===== */
.fa-icon-primary { color: var(--icon-primary) !important; }
.fa-icon-secondary { color: var(--icon-secondary) !important; }
.fa-icon-accent { color: var(--icon-accent) !important; }
.fa-icon-warning { color: var(--icon-warning) !important; }
.fa-icon-danger { color: var(--icon-danger) !important; }
.fa-icon-success { color: var(--icon-success) !important; }
.fa-icon-info { color: var(--icon-info) !important; }
.fa-icon-light { color: var(--icon-light) !important; }
.fa-icon-dark { color: var(--icon-dark) !important; }

/* ===== GRADIENT ICONS ===== */
.fa-icon-gradient-primary {
    background: var(--icon-gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fa-icon-gradient-success {
    background: var(--icon-gradient-success);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.fa-icon-gradient-warning {
    background: var(--icon-gradient-warning);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== ENHANCED ICON BACKGROUNDS ===== */
.icon-bg-circle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.1);
    margin-bottom: 1rem;
    transition: var(--icon-transition);
}

.icon-bg-circle-primary {
    background: rgba(59, 130, 246, 0.1);
}

.icon-bg-circle-success {
    background: rgba(16, 185, 129, 0.1);
}

.icon-bg-circle-warning {
    background: rgba(245, 158, 11, 0.1);
}

.icon-bg-circle-accent {
    background: rgba(139, 92, 246, 0.1);
}

.icon-bg-circle-gradient {
    background: var(--icon-gradient-primary);
}

.icon-bg-circle .fas,
.icon-bg-circle .far,
.icon-bg-circle .fab {
    font-size: 1.5rem;
    color: var(--icon-primary);
    transition: var(--icon-transition);
}

.icon-bg-circle-primary .fas,
.icon-bg-circle-primary .far,
.icon-bg-circle-primary .fab {
    color: var(--icon-primary);
}

.icon-bg-circle-success .fas,
.icon-bg-circle-success .far,
.icon-bg-circle-success .fab {
    color: var(--icon-success);
}

.icon-bg-circle-warning .fas,
.icon-bg-circle-warning .far,
.icon-bg-circle-warning .fab {
    color: var(--icon-warning);
}

.icon-bg-circle:hover {
    transform: scale(1.1);
    box-shadow: var(--icon-shadow-hover);
}

.icon-bg-circle:hover .fas,
.icon-bg-circle:hover .far,
.icon-bg-circle:hover .fab {
    transform: scale(1.1);
}

/* ===== ENHANCED ICON SHAPES ===== */
.icon-bg-square {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.1);
    margin-bottom: 1rem;
    transition: var(--icon-transition);
}

.icon-bg-rounded {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 20px;
    background: rgba(59, 130, 246, 0.1);
    margin-bottom: 1rem;
    transition: var(--icon-transition);
}

/* ===== ENHANCED ANIMATIONS ===== */
@keyframes iconPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes iconSpinSlow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes iconBounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

@keyframes iconShake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* ===== ANIMATION CLASSES ===== */
.fa-pulse-custom {
    animation: iconPulse 2s ease-in-out infinite;
}

.fa-float-custom {
    animation: iconFloat 3s ease-in-out infinite;
}

.fa-spin-slow {
    animation: iconSpinSlow 3s linear infinite;
}

.fa-bounce-custom {
    animation: iconBounce 2s infinite;
}

.fa-shake-custom {
    animation: iconShake 0.5s ease-in-out;
}

/* Hover-triggered animations */
.icon-hover-pulse:hover {
    animation: iconPulse 0.6s ease-in-out;
}

.icon-hover-float:hover {
    animation: iconFloat 1.5s ease-in-out;
}

.icon-hover-spin:hover {
    animation: iconSpinSlow 1s linear;
}

/* ===== ENHANCED ICON WITH BADGE ===== */
.icon-with-badge {
    position: relative;
    display: inline-block;
}

.icon-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    background: var(--icon-danger);
    color: white;
    border-radius: 50%;
    font-size: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.icon-badge-success {
    background: var(--icon-success);
}

.icon-badge-warning {
    background: var(--icon-warning);
}

.icon-badge-info {
    background: var(--icon-info);
}

/* ===== ENHANCED ICON GROUPS ===== */
.icon-group {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.icon-group-stacked {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.icon-group-horizontal {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

/* ===== ENHANCED ICON CARDS ===== */
.icon-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    transition: var(--icon-transition);
    border: 1px solid #e2e8f0;
    box-shadow: var(--icon-shadow);
}

.icon-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--icon-shadow-hover);
    border-color: var(--icon-primary);
}

.icon-card .icon-bg-circle {
    margin: 0 auto 1rem;
}

.icon-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--icon-dark);
}

.icon-card-description {
    font-size: 0.9rem;
    color: #64748b;
}

/* ===== ENHANCED ICON LIST ===== */
.icon-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.icon-list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.icon-list-item:last-child {
    border-bottom: none;
}

.icon-list-item i {
    width: 24px;
    text-align: center;
    color: var(--icon-primary);
}

.icon-list-item span {
    color: var(--icon-dark);
    font-weight: 500;
}

/* ===== ENHANCED FEATURE ICONS ===== */
.feature-icon-enhanced {
    font-size: 2.5rem;
    color: var(--icon-primary);
    margin-bottom: 1rem;
    display: inline-block;
    padding: 1rem;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 16px;
    transition: var(--icon-transition);
}

.feature-icon-enhanced:hover {
    transform: scale(1.1) rotate(5deg);
    background: var(--icon-gradient-primary);
    color: white;
}

.feature-icon-enhanced.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--icon-success);
}

.feature-icon-enhanced.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--icon-warning);
}

.feature-icon-enhanced.accent {
    background: rgba(139, 92, 246, 0.1);
    color: var(--icon-accent);
}

/* ===== ENHANCED NAVIGATION ICONS ===== */
.nav-icon {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
    transition: var(--icon-transition);
}

.nav-link:hover .nav-icon {
    transform: translateX(3px);
}

.nav-link.active .nav-icon {
    color: var(--icon-primary);
    animation: iconPulse 0.6s ease-in-out;
}

/* ===== ENHANCED BUTTON ICONS ===== */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-icon-left i {
    margin-right: 0.5rem;
}

.btn-icon-right i {
    margin-left: 0.5rem;
}

.btn-icon-only {
    width: 44px;
    height: 44px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.btn-icon-only:hover i {
    animation: iconPulse 0.6s ease-in-out;
}

/* ===== ENHANCED SOCIAL ICONS ===== */
.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f1f5f9;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--icon-dark);
    transition: var(--icon-transition);
    text-decoration: none;
}

.social-icon:hover {
    transform: translateY(-3px);
    box-shadow: var(--icon-shadow-hover);
    color: white;
}

.social-icon.facebook:hover {
    background: #1877f2;
}

.social-icon.twitter:hover {
    background: #1da1f2;
}

.social-icon.linkedin:hover {
    background: #0a66c2;
}

.social-icon.github:hover {
    background: #333;
}

.social-icon.instagram:hover {
    background: linear-gradient(45deg, #405de6, #5851db, #833ab4, #c13584, #e1306c, #fd1d1d);
}

/* ===== ENHANCED STATISTICS ICONS ===== */
.stats-icon {
    font-size: 2rem;
    color: var(--icon-primary);
    margin-bottom: 0.5rem;
}

.stats-icon-success {
    color: var(--icon-success);
}

.stats-icon-warning {
    color: var(--icon-warning);
}

.stats-icon-info {
    color: var(--icon-info);
}

/* ===== ENHANCED LOADING & STATUS ICONS ===== */
.loading-icon {
    animation: iconSpinSlow 1s linear infinite;
}

.status-icon-success {
    color: var(--icon-success);
    animation: iconPulse 2s ease-in-out infinite;
}

.status-icon-warning {
    color: var(--icon-warning);
    animation: iconPulse 1.5s ease-in-out infinite;
}

.status-icon-error {
    color: var(--icon-danger);
    animation: iconShake 0.5s ease-in-out;
}

/* ===== ENHANCED ICON WITH TEXT ===== */
.icon-text {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.icon-text-vertical {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.icon-text-large i {
    font-size: 2rem;
}

.icon-text-small i {
    font-size: 1rem;
}

/* ===== ENHANCED RESPONSIVE ICONS ===== */
@media (max-width: 768px) {
    .fa-icon-3xl { font-size: 2rem; }
    .fa-icon-4xl { font-size: 2.5rem; }
    .fa-icon-5xl { font-size: 3rem; }
    
    .icon-bg-circle,
    .icon-bg-square,
    .icon-bg-rounded {
        width: 50px;
        height: 50px;
    }
    
    .icon-bg-circle .fas,
    .icon-bg-circle .far,
    .icon-bg-circle .fab {
        font-size: 1.25rem;
    }
    
    .feature-icon-enhanced {
        font-size: 2rem;
        padding: 0.75rem;
    }
    
    .social-icon {
        width: 36px;
        height: 36px;
    }
}

@media (max-width: 576px) {
    .fa-icon-2xl { font-size: 1.5rem; }
    .fa-icon-3xl { font-size: 1.75rem; }
    .fa-icon-4xl { font-size: 2rem; }
    
    .icon-bg-circle,
    .icon-bg-square,
    .icon-bg-rounded {
        width: 44px;
        height: 44px;
    }
    
    .icon-bg-circle .fas,
    .icon-bg-circle .far,
    .icon-bg-circle .fab {
        font-size: 1.1rem;
    }
    
    .icon-group-horizontal {
        gap: 1rem;
    }
}

/* ===== ACCESSIBILITY FOR ICONS ===== */
@media (prefers-reduced-motion: reduce) {
    .fa-pulse-custom,
    .fa-float-custom,
    .fa-spin-slow,
    .fa-bounce-custom,
    .fa-shake-custom,
    .icon-hover-pulse:hover,
    .icon-hover-float:hover,
    .icon-hover-spin:hover,
    .feature-icon-enhanced:hover,
    .nav-link:hover .nav-icon,
    .btn-icon-only:hover i,
    .loading-icon,
    .status-icon-success,
    .status-icon-warning,
    .status-icon-error {
        animation: none !important;
        transform: none !important;
    }
}

/* Screen reader text for decorative icons */
.sr-only-icon {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===== DARK MODE SUPPORT ===== */
@media (prefers-color-scheme: dark) {
    .icon-card {
        background: #1e293b;
        border-color: #334155;
    }
    
    .icon-card-title {
        color: #f1f5f9;
    }
    
    .icon-card-description {
        color: #94a3b8;
    }
    
    .icon-list-item {
        border-bottom-color: #334155;
    }
    
    .icon-list-item span {
        color: #f1f5f9;
    }
    
    .social-icon {
        background: #334155;
        color: #f1f5f9;
    }
    
    .feature-icon-enhanced {
        background: rgba(59, 130, 246, 0.2);
    }
    
    .feature-icon-enhanced.success {
        background: rgba(16, 185, 129, 0.2);
    }
    
    .feature-icon-enhanced.warning {
        background: rgba(245, 158, 11, 0.2);
    }
    
    .feature-icon-enhanced.accent {
        background: rgba(139, 92, 246, 0.2);
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .fa-pulse-custom,
    .fa-float-custom,
    .fa-spin-slow,
    .fa-bounce-custom,
    .fa-shake-custom,
    .icon-hover-pulse:hover,
    .icon-hover-float:hover,
    .icon-hover-spin:hover {
        animation: none !important;
    }
    
    .social-icon:hover,
    .icon-card:hover,
    .icon-bg-circle:hover,
    .feature-icon-enhanced:hover {
        transform: none !important;
        box-shadow: none !important;
    }
}

/* ===== ICON UTILITY CLASSES ===== */
.icon-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-margin-right {
    margin-right: 0.75rem;
}

.icon-margin-left {
    margin-left: 0.75rem;
}

.icon-margin-bottom {
    margin-bottom: 1rem;
}

.icon-margin-top {
    margin-top: 1rem;
}

.icon-border {
    border: 2px solid currentColor;
    padding: 0.5rem;
    border-radius: 8px;
}

.icon-border-circle {
    border: 2px solid currentColor;
    padding: 0.5rem;
    border-radius: 50%;
}

/* ===== SPECIALIZED ICON STYLES ===== */
/* Academic Icons */
.icon-academic {
    color: #2c3e50;
}

.icon-education {
    color: #3498db;
}

.icon-research {
    color: #9b59b6;
}

/* Technology Icons */
.icon-tech {
    color: #2ecc71;
}

.icon-ai {
    color: #e74c3c;
}

.icon-database {
    color: #f39c12;
}

/* Status Icons */
.icon-check-circle {
    color: var(--icon-success);
}

.icon-warning-circle {
    color: var(--icon-warning);
}

.icon-error-circle {
    color: var(--icon-danger);
}

.icon-info-circle {
    color: var(--icon-info);
}

/* ===== ENHANCED HOVER EFFECTS ===== */
.icon-hover-grow:hover {
    transform: scale(1.2);
}

.icon-hover-rotate:hover {
    transform: rotate(15deg);
}

.icon-hover-lift:hover {
    transform: translateY(-5px);
}

.icon-hover-color-primary:hover {
    color: var(--icon-primary) !important;
}

.icon-hover-color-success:hover {
    color: var(--icon-success) !important;
}

.icon-hover-color-warning:hover {
    color: var(--icon-warning) !important;
}

/* ===== END OF FILE - PEAKCHECKER v4.4.0 ICON SYSTEM ===== */