/* Modern Theme CSS - Enhanced UI Components */

/* Color Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --danger-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
    --warning-gradient: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
    --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.12);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection styling */
::selection {
    background-color: #667eea;
    color: white;
}

/* Focus visible styling */
*:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Input group styling */
.input-group {
    margin-bottom: 1rem;
}

.input-group-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px 0 0 8px;
    font-weight: 500;
}

/* Select styling */
select.form-control {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

select.form-control:focus {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%23667eea' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
}

/* Pagination styling */
.pagination {
    margin-top: 2rem;
    justify-content: center;
}

.page-link {
    border-radius: 8px;
    margin: 0 0.25rem;
    border: 2px solid #e2e8f0;
    color: #667eea;
    transition: var(--transition);
    padding: 0.5rem 1rem;
}

.page-link:hover {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
}

.page-item.active .page-link {
    background: var(--primary-gradient);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Card enhancements */
.card-header {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-body {
    padding: 1.5rem;
}

/* Badge styling */
.badge {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
}

.badge-primary {
    background: var(--primary-gradient);
}

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

.badge-danger {
    background: var(--danger-gradient);
}

/* Loading spinner */
.spinner-border {
    border-width: 3px;
    width: 3rem;
    height: 3rem;
}

/* Utility classes */
.shadow-sm {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.shadow-md {
    box-shadow: var(--card-shadow);
}

.shadow-lg {
    box-shadow: var(--card-shadow-hover);
}

.rounded-lg {
    border-radius: var(--border-radius);
}

/* Smooth transitions */
.transition {
    transition: var(--transition);
}

/* Hover effects */
.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--card-shadow-hover);
}

.hover-scale:hover {
    transform: scale(1.05);
}

/* Glass morphism effect */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

/* Gradient text */
.gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Animated background */
.animated-bg {
    background: linear-gradient(-45deg, #667eea, #764ba2, #f093fb, #f5576c);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Mobile optimizations */
@media screen and (max-width: 768px) {
    .card {
        margin: 0.5rem 0;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .form-control {
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
}

/* Print styles */
@media print {
    .navbar,
    .page-footer,
    .btn,
    .pagination {
        display: none !important;
    }
    
    body {
        background: white;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid #e2e8f0;
    }
}