/* Universal Theme & Design System */
:root {
    /* Color Palette - Modern & Clean */
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --secondary-color: #6c757d;
    --accent-color: #ffc107;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --info-color: #17a2b8;
    
    /* Backgrounds */
    --bg-body: #f8f9fa;
    --bg-card: #ffffff;
    --bg-header: #ffffff;
    
    /* Text */
    --text-main: #212529;
    --text-muted: #6c757d;
    --text-light: #ffffff;
    
    /* Borders & Shadows */
    --border-radius: 12px;
    --border-color: #dee2e6;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --box-shadow-hover: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease-in-out;
    --transition-base: 0.3s ease-in-out;
}

/* Dark Mode Overrides */
[data-theme="dark"], body.dark-theme {
    --bg-body: #121212;
    --bg-card: #1e1e1e;
    --bg-header: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #a0a0a0;
    --border-color: #333333;
    --primary-color: #3d8bfd; /* Slightly lighter blue for dark mode */
}

/* Universal Base Styles */
body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    transition: background-color var(--transition-base), color var(--transition-base);
    line-height: 1.6;
}

a {
    transition: color var(--transition-fast);
}

/* Buttons */
.btn-universal {
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 600;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.btn-primary-u {
    background-color: var(--primary-color);
    color: white;
}
.btn-primary-u:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* Cards */
.card-universal {
    background: var(--bg-card);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    overflow: hidden;
}

.card-universal:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-hover);
}

/* Swiper Customizations */
.swiper-button-next, .swiper-button-prev {
    color: var(--primary-color);
    background: rgba(255, 255, 255, 0.95);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    backdrop-filter: blur(8px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.swiper-button-next:hover, .swiper-button-prev:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.swiper-button-next::after, .swiper-button-prev::after {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
}

/* Responsive swiper buttons */
@media (max-width: 768px) {
    .swiper-button-next, .swiper-button-prev {
        width: 40px;
        height: 40px;
    }

    .swiper-button-next::after, .swiper-button-prev::after {
        font-size: 16px;
    }
}

.swiper-pagination-bullet-active {
    background: var(--primary-color);
}

/* Animations Helper */
.fade-up-enter {
    opacity: 0;
    transform: translateY(20px);
}
.fade-up-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.5s, transform 0.5s;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-body);
}
::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}