/* Enhanced Modern Styles for Web Elements */

/* Global CSS Variables for Consistency */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --neutral-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-light: 0 8px 32px rgba(31, 38, 135, 0.37);
    --shadow-medium: 0 15px 35px rgba(31, 38, 135, 0.2);
    --shadow-heavy: 0 25px 50px rgba(31, 38, 135, 0.15);
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --border-radius: 12px;
    --border-radius-large: 20px;
}

/* Enhanced Button Styles */
.enhanced-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    font-size: 14px;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    backdrop-filter: var(--backdrop-blur);
    min-height: 44px; /* Accessibility: minimum touch target */
}

.enhanced-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.enhanced-btn:hover::before {
    transform: translateX(100%);
}

/* Primary Button */
.enhanced-btn--primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: var(--shadow-colored);
}

.enhanced-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(102, 126, 234, 0.4);
}

.enhanced-btn--primary:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
}

/* Secondary Button */
.enhanced-btn--secondary {
    background: var(--glass-bg);
    color: var(--primary-color);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--backdrop-blur);
}

.enhanced-btn--secondary:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Ghost Button */
.enhanced-btn--ghost {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid currentColor;
}

.enhanced-btn--ghost:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
}

/* Enhanced Link Styles */
.enhanced-link {
    position: relative;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-smooth);
    display: inline-block;
}

.enhanced-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.enhanced-link:hover::after {
    width: 100%;
}

.enhanced-link:hover {
    color: var(--secondary-color);
    transform: translateY(-1px);
}

/* Enhanced Card/Div Styles */
.enhanced-card {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.enhanced-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.enhanced-card:hover::before {
    opacity: 1;
}

.enhanced-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-strong);
    border-color: rgba(102, 126, 234, 0.3);
}

/* Enhanced Modal Styles */
.enhanced-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: var(--spacing-lg);
}

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

.enhanced-modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    transform: scale(0.8) translateY(50px);
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    color: #333;
}

.enhanced-modal-overlay.active .enhanced-modal-content {
    transform: scale(1) translateY(0);
}

.enhanced-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.enhanced-modal-title {
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: #333;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin: 0;
}

.enhanced-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    color: #666;
    font-size: 18px;
}

.enhanced-modal-close:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: rgba(102, 126, 234, 0.4);
    color: #333;
    transform: rotate(90deg) scale(1.1);
}

.enhanced-modal-close:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.enhanced-modal-body {
    line-height: 1.7;
    color: #555;
    font-size: 16px;
}

/* Scroll Lock Body Class */
body.modal-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* Enhanced Pagination Styles */
.enhanced-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}

.enhanced-page-btn {
    padding: 12px 16px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-weight: var(--font-weight-semibold);
    color: var(--primary-color);
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.enhanced-page-btn:hover:not(:disabled) {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-colored);
    border-color: transparent;
}

.enhanced-page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.enhanced-page-btn.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    box-shadow: var(--shadow-colored);
}

/* Enhanced Form Elements */
.enhanced-input {
    padding: 16px 20px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: var(--border-radius);
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    font-size: 16px;
    transition: var(--transition-smooth);
    width: 100%;
    color: #333;
}

.enhanced-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    background: rgba(255, 255, 255, 0.9);
}

.enhanced-input::placeholder {
    color: #999;
}

/* Enhanced Container Styles */
.enhanced-container {
    background: var(--glass-bg);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-lg) 0;
    position: relative;
    overflow: hidden;
}

.enhanced-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-gradient);
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .enhanced-modal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
        max-height: 85vh;
    }
    
    .enhanced-modal-title {
        font-size: 20px;
    }
    
    .enhanced-btn {
        padding: 14px 20px;
        font-size: 16px;
    }
    
    .enhanced-card {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .enhanced-modal-content {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
        border-radius: var(--border-radius);
    }
    
    .enhanced-pagination {
        flex-wrap: wrap;
        gap: var(--spacing-xs);
    }
    
    .enhanced-page-btn {
        padding: 10px 12px;
        min-width: 40px;
        min-height: 40px;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    .enhanced-btn,
    .enhanced-link,
    .enhanced-card,
    .enhanced-modal-overlay,
    .enhanced-modal-content,
    .enhanced-page-btn {
        transition: none !important;
        animation: none !important;
        transform: none !important;
    }
}

/* Focus Styles for Keyboard Navigation */
.enhanced-btn:focus,
.enhanced-link:focus,
.enhanced-page-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .enhanced-btn--primary {
        background: #0066cc;
        border: 2px solid #004499;
    }
    
    .enhanced-modal-content {
        background: white;
        border: 2px solid #333;
    }
    
    .enhanced-card {
        background: white;
        border: 2px solid #666;
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .enhanced-modal-content {
        background: rgba(30, 30, 30, 0.95);
        color: #e0e0e0;
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .enhanced-modal-title {
        color: #e0e0e0;
    }
    
    .enhanced-modal-body {
        color: #c0c0c0;
    }
    
    .enhanced-card {
        background: rgba(30, 30, 30, 0.8);
        color: #e0e0e0;
        border-color: rgba(255, 255, 255, 0.1);
    }
}