/* ===== HACKNOW - PROFESSIONAL COMPONENTS ===== */
/* Version: 2.0 | Author: Professional Frontend Developer */

/* ===== LOADING COMPONENTS ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: var(--z-loading);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
    color: var(--primary-color);
}

.spinner-ring {
    width: clamp(40px, 8vw, 60px);
    height: clamp(40px, 8vw, 60px);
    border: 4px solid var(--primary-transparent);
    border-top: 4px solid var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
    margin: 0 auto var(--space-lg);
}

.spinner-text {
    font-family: var(--font-mono);
    font-size: clamp(14px, 2.5vw, 16px);
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-glow);
}

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

/* ===== TOAST NOTIFICATION SYSTEM ===== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
}

.toast {
    background: var(--background-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    min-width: 300px;
    max-width: 400px;
    box-shadow: var(--shadow-primary);
    backdrop-filter: blur(10px);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    pointer-events: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.toast.visible {
    transform: translateX(0);
}

.toast.removing {
    transform: translateX(100%);
    opacity: 0;
}

.toast.success {
    border-color: #00ff00;
    background: rgba(0, 255, 0, 0.1);
}

.toast.error {
    border-color: #ff3333;
    background: rgba(255, 51, 51, 0.1);
}

.toast.warning {
    border-color: #ffaa00;
    background: rgba(255, 170, 0, 0.1);
}

.toast.info {
    border-color: var(--primary-color);
    background: var(--primary-transparent);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
}

.toast-icon {
    font-size: 20px;
    color: var(--text-accent);
}

.toast.success .toast-icon {
    color: #00ff00;
}

.toast.error .toast-icon {
    color: #ff3333;
}

.toast.warning .toast-icon {
    color: #ffaa00;
}

.toast-message {
    color: var(--text-primary);
    font-size: clamp(14px, 2.5vw, 16px);
    line-height: 1.4;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast-close:hover {
    background: var(--primary-transparent);
    color: var(--text-primary);
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-loading);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-primary);
    border-top: 3px solid var(--primary-color);
    border-radius: var(--radius-full);
    animation: spin 1s linear infinite;
}

.loading-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.spinner-text {
    color: var(--text-secondary);
    font-size: clamp(14px, 2.5vw, 16px);
    text-align: center;
}

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

/* ===== SCROLL ANIMATIONS ===== */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all var(--transition-slow);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: all var(--transition-slow);
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: all var(--transition-slow);
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all var(--transition-slow);
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ===== STAGGER ANIMATIONS ===== */
.stagger-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    animation: staggerFadeIn 0.6s ease forwards;
}

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

/* ===== RESPONSIVE TOAST ===== */
@media (max-width: 768px) {
    .toast-container {
        top: 10px;
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
        max-width: none;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .toast {
        padding: var(--space-sm);
        min-width: auto;
    }
    
    .toast-message {
        font-size: clamp(13px, 2.5vw, 14px);
    }
    
    .toast-icon {
        font-size: 18px;
    }
}

/* ===== BREADCRUMB NAVIGATION ===== */
.breadcrumb-nav {
    background: var(--background-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: var(--space-md) 0;
    margin-bottom: var(--space-xl);
}

.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: clamp(14px, 2.5vw, 16px);
}

@media (max-width: 768px) {
    .breadcrumb-nav {
        padding: var(--space-sm) 0;
        margin-bottom: var(--space-lg);
    }
    
    .breadcrumb {
        padding: 0 var(--space-md);
        gap: var(--space-xs);
        font-size: clamp(13px, 2.5vw, 14px);
    }
}

@media (max-width: 480px) {
    .breadcrumb-nav {
        padding: var(--space-xs) 0;
        margin-bottom: var(--space-md);
    }
    
    .breadcrumb {
        padding: 0 var(--space-sm);
        font-size: clamp(12px, 2.5vw, 13px);
    }
}



.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
}

.breadcrumb-item a:hover {
    color: var(--primary-color);
}

.breadcrumb-item.active span {
    color: var(--primary-color);
    font-weight: 600;
}

.breadcrumb-separator {
    color: var(--text-muted);
    margin: 0 var(--space-xs);
}

/* ===== FOOTER COMPONENT ===== */
.site-footer {
    background: var(--background-secondary);
    border-top: 1px solid var(--border-primary);
    padding: var(--space-2xl) 0 var(--space-lg);
    margin-top: auto;
}

@media (max-width: 768px) {
    .site-footer {
        padding: var(--space-xl) 0 var(--space-md);
    }
}

@media (max-width: 480px) {
    .site-footer {
        padding: var(--space-lg) 0 var(--space-sm);
    }
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

@media (max-width: 768px) {
    .footer-container {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: 0 var(--space-sm);
    }
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: var(--space-lg);
        margin-bottom: var(--space-lg);
    }
}

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        margin-bottom: var(--space-md);
    }
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.footer-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--space-sm);
    font-family: var(--font-jersey);
}

.footer-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.25rem);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: clamp(14px, 2.5vw, 16px);
}

.footer-social {
    display: flex;
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .footer-social {
        gap: var(--space-sm);
    }
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: clamp(40px, 8vw, 48px);
    height: clamp(40px, 8vw, 48px);
    background: var(--primary-transparent);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--primary-color);
    text-decoration: none;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

@media (max-width: 768px) {
    .social-link {
        width: clamp(36px, 9vw, 44px);
        height: clamp(36px, 9vw, 44px);
    }
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

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

.social-link:hover {
    background: var(--primary-color);
    color: var(--background-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.social-link .material-icons {
    font-size: clamp(20px, 4vw, 24px);
}

@media (max-width: 768px) {
    .social-link .material-icons {
        font-size: clamp(18px, 4.5vw, 22px);
    }
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: clamp(14px, 2.5vw, 16px);
    display: inline-block;
    position: relative;
}

.footer-links a::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--primary-color);
    transition: width var(--transition-normal);
}

.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.footer-links a:hover::before {
    width: 100%;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--border-secondary);
    gap: var(--space-md);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

.footer-copyright {
    color: var(--text-muted);
    font-size: clamp(13px, 2.5vw, 14px);
}

.footer-status {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    color: var(--text-muted);
    font-size: clamp(13px, 2.5vw, 14px);
}

.status-indicator {
    width: 8px;
    height: 8px;
    background: var(--primary-color);
    border-radius: var(--radius-full);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== ENHANCED BUTTON VARIANTS ===== */
.btn-primary {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-dark));
    color: var(--background-primary);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

@media (max-width: 768px) {
    .btn-primary {
        padding: var(--space-sm) var(--space-md);
        font-size: clamp(13px, 2.5vw, 14px);
    }
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--primary-dark), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-transparent);
    border-color: var(--primary-light);
    color: var(--primary-light);
}

.btn-danger {
    background: linear-gradient(45deg, #ff3333, #cc0000);
    color: white;
    border: none;
}

@media (max-width: 768px) {
    .btn-danger {
        padding: var(--space-sm) var(--space-md);
        font-size: clamp(13px, 2.5vw, 14px);
    }
}

.btn-danger:hover {
    background: linear-gradient(45deg, #cc0000, #ff3333);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 51, 51, 0.3);
}

/* ===== ENHANCED CARD VARIANTS ===== */
.card-interactive {
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.card-interactive::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, var(--primary-transparent), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.card-interactive:hover::after {
    opacity: 1;
}

.card-featured {
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-primary);
    position: relative;
}

.card-featured::before {
    content: 'Featured';
    position: absolute;
    top: var(--space-sm);
    right: var(--space-sm);
    background: var(--primary-color);
    color: var(--background-primary);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: clamp(11px, 2vw, 12px);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== FORM ENHANCEMENTS ===== */
.form-group-required .form-label::after {
    content: ' *';
    color: #ff3333;
}

.form-input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-input-group .form-input {
    padding-left: calc(var(--space-lg) + 24px);
}

.form-input-group .input-icon {
    position: absolute;
    left: var(--space-sm);
    color: var(--text-muted);
    font-size: clamp(16px, 2.5vw, 18px);
    pointer-events: none;
    transition: color var(--transition-normal);
}

.form-input-group .form-input:focus + .input-icon {
    color: var(--primary-color);
}

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-xs);
    margin: var(--space-xl) 0;
}

.pagination-item {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: clamp(36px, 8vw, 44px);
    height: clamp(36px, 8vw, 44px);
    padding: var(--space-xs) var(--space-sm);
    background: var(--background-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: clamp(14px, 2.5vw, 16px);
    font-weight: 500;
}

@media (max-width: 768px) {
    .pagination-item {
        min-width: clamp(32px, 9vw, 40px);
        height: clamp(32px, 9vw, 40px);
        font-size: clamp(13px, 2.5vw, 14px);
    }
}

.pagination-item:hover,
.pagination-item.active {
    background: var(--primary-color);
    color: var(--background-primary);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary);
}

.pagination-item.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ===== RESPONSIVE ENHANCEMENTS ===== */
@media (max-width: 768px) {
    .main-content {
        margin-top: 70px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .breadcrumb-list {
        flex-wrap: wrap;
    }
    
    .toast-container {
        right: var(--space-sm);
        left: var(--space-sm);
    }
    
    .toast {
        padding: var(--space-sm) var(--space-md);
    }
    
    .pagination {
        gap: var(--space-xs);
    }
    
    .pagination-item {
        min-width: 36px;
        height: 36px;
    }
}

@media (max-width: 480px) {
    .footer-container {
        padding: 0 var(--space-sm);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-title {
        font-size: clamp(1.25rem, 4vw, 1.5rem);
    }
    
    .footer-subtitle {
        font-size: clamp(1rem, 3vw, 1.125rem);
    }
    
    .social-link {
        width: 40px;
        height: 40px;
    }
    
    .social-link .material-icons {
        font-size: 20px;
    }
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
@media (prefers-reduced-motion: reduce) {
    .spinner-ring,
    .toast,
    .social-link,
    .btn-primary,
    .pagination-item {
        animation: none;
        transition: none;
    }
    
    .btn-primary::before,
    .social-link::before {
        display: none;
    }
}

.btn-primary:focus,
.btn-secondary:focus,
.btn-danger:focus,
.social-link:focus,
.pagination-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== PRINT STYLES ===== */
@media print {
    .loading-overlay,
    .toast-container,
    .footer-social {
        display: none;
    }
    
    .main-content {
        margin-top: 0;
    }
    
    .footer-title,
    .footer-subtitle {
        color: black;
    }
    
    .footer-links a {
        color: black;
    }
    
    .card {
        border: 1px solid #ccc;
        box-shadow: none;
    }
}