/* Modern UI Styles and Animations */

/* Global Styles */
:root {
    --primary-color: #4e73df;
    --secondary-color: #858796;
    --success-color: #1cc88a;
    --info-color: #36b9cc;
    --warning-color: #f6c23e;
    --danger-color: #e74a3b;
    --light-color: #f8f9fc;
    --dark-color: #5a5c69;
    --sidebar-width: 250px;
    --transition-speed: 0.3s;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--light-color);
    color: var(--dark-color);
}

/* Sidebar Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--primary-color) 10%, #224abe 100%);
    color: white;
    transition: all var(--transition-speed) ease;
    z-index: 1000;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    padding: 1rem 1.5rem;
    margin: 0.2rem 0;
    border-radius: 0.35rem;
    transition: all var(--transition-speed) ease;
    display: flex;
    align-items: center;
}

.sidebar .nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
}

.sidebar .nav-link.active {
    color: white;
   
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: all var(--transition-speed) ease;
}

/* Cards */
.card {
    border: none;
    border-radius: 0.35rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    transition: transform var(--transition-speed) ease;
}

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

.card-header {
    background-color: white;
    border-bottom: 1px solid #e3e6f0;
    padding: 1rem 1.25rem;
}

/* Buttons */
.btn {
    border-radius: 0.35rem;
    padding: 0.375rem 0.75rem;
    font-weight: normal;
    transition: all var(--transition-speed) ease;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #2e59d9;
    border-color: #2653d4;
    transform: translateY(-2px);
}

/* Forms */
.form-control {
    border-radius: 0.35rem;
    border: 1px solid #d1d3e2;
    padding: 0.375rem 0.75rem;
    transition: all var(--transition-speed) ease;
}

.form-control:focus {
    border-color: #bac8f3;
    box-shadow: 0 0 0 0.2rem rgba(78, 115, 223, 0.25);
}

/* Tables */
.table {
    background-color: white;
    border-radius: 0.35rem;
    overflow: hidden;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.table thead th {
    background-color: #f8f9fc;
    border-bottom: 2px solid #e3e6f0;
    color: var(--dark-color);
    font-weight: 600;
}

.table tbody tr {
    transition: all var(--transition-speed) ease;
}

.table tbody tr:hover {
    background-color: #f8f9fc;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.35rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    animation: slideIn 0.5s ease;
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Dashboard Stats */
.stats-card {
    background: white;
    border-radius: 0.35rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    transition: all var(--transition-speed) ease;
}

.stats-card:hover {
    transform: translateY(-5px);
}

.stats-card .icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stats-card .number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #224abe;
}

/* Page Transitions */
.page-transition {
    animation: fadeIn 0.5s ease;
}

/* Form Validation Styles */
.is-invalid {
    border-color: var(--danger-color);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23e74a3b'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath stroke-linecap='round' d='M6 3.75v1.5m0 4.5h1.5m-1.5 0l1.5-1.5'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.invalid-feedback {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Modal Animations */
.modal.fade .modal-dialog {
    transform: scale(0.8);
    transition: transform 0.3s ease;
}

.modal.show .modal-dialog {
    transform: scale(1);
}

/* Toast Notifications */
.toast {
    background-color: white;
    border: none;
    border-radius: 0.35rem;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    animation: slideInRight 0.5s ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}