/* Main CSS for Scheduling Simulator */

/* Base Styles */
body {
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Navigation Bar */
.navbar {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700 !important;
    font-size: 1.25rem !important;
}

.nav-link {
    font-weight: 500;
    border-radius: 20px;
    margin: 0 5px;
    transition: all 0.3s ease;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Buttons */
.btn-custom {
    border-radius: 25px;
    padding: 10px 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* Cards */
.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.card-header {
    border-radius: 15px 15px 0 0 !important;
    border-bottom: none;
}

/* Dashboard Stats */
.stat-card {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    border: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.stat-card .display-4 {
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-card h6 {
    opacity: 0.9;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Breadcrumbs */
.breadcrumb {
    background: none;
    padding: 0;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Forms */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-color-rgb), 0.25);
}

.form-section {
    background: #f8f9fa;
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.required {
    color: #dc3545;
}

/* Color and Icon Previews */
.color-preview {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: inline-block;
    margin-left: 10px;
    border: 3px solid #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.icon-preview {
    font-size: 2rem;
    margin-left: 10px;
    color: var(--primary-color);
}

/* Sortable Lists */
.sortable-item {
    background: white;
    border: 1px solid #e0e6ed;
    border-radius: 10px;
    margin-bottom: 10px;
    transition: all 0.3s ease;
    cursor: move;
}

.sortable-item:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-color);
}

.sortable-item.sortable-ghost {
    opacity: 0.4;
}

.drag-handle {
    cursor: grab;
    color: #6c757d;
    font-size: 1.2rem;
}

.drag-handle:active {
    cursor: grabbing;
}

/* Tables */
.table-custom {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.table-custom th {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.table-custom td {
    border: none;
    border-bottom: 1px solid #f1f3f4;
    vertical-align: middle;
    padding: 1rem;
}

.table-custom tbody tr:hover {
    background-color: #f8f9fa;
}

/* Calendar Styles */
#calendar {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.fc-toolbar {
    margin-bottom: 1rem !important;
}

.fc-button-primary {
    background-color: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
}

.fc-button-primary:hover {
    background-color: var(--secondary-color) !important;
    border-color: var(--secondary-color) !important;
}

/* Alert Styles */
.alert {
    border: none;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

/* Modal Styles */
.modal-content {
    border-radius: 15px;
    border: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-header {
    border-bottom: 1px solid #f1f3f4;
    border-radius: 15px 15px 0 0;
}

.modal-footer {
    border-top: 1px solid #f1f3f4;
    border-radius: 0 0 15px 15px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .stat-card {
        margin-bottom: 1rem;
    }
    
    .btn-custom {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .form-section {
        padding: 1rem;
    }
}

/* Utility Classes */
.text-primary-custom {
    color: var(--primary-color) !important;
}

.text-secondary-custom {
    color: var(--secondary-color) !important;
}

.bg-primary-custom {
    background-color: var(--primary-color) !important;
}

.bg-secondary-custom {
    background-color: var(--secondary-color) !important;
}

.border-primary-custom {
    border-color: var(--primary-color) !important;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--primary-color);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Print Styles */
@media print {
    .navbar, .btn, .breadcrumb {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
    
    body {
        background: white !important;
    }
}