/* =======================
   Main Styles
======================= */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

/* =======================
   Cards
======================= */
.card {
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.card .card-title {
    font-size: 2rem;
    margin-bottom: 0;
    font-weight: 600;
}

/* =======================
   Tables
======================= */
.table th {
    background-color: #f1f1f1;
    font-weight: 600;
}

.table-responsive {
    overflow-x: auto;
}

/* =======================
   Sidebar Navigation
======================= */
.list-group-item {
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.list-group-item:hover {
    background-color: #0d6efd;
    color: #fff !important;
    transform: translateX(5px);
}

.list-group-item.active {
    background-color: #0b5ed7 !important;
    color: #fff !important;
    font-weight: bold;
    border-left: 4px solid #ffc107;
}

/* =======================
   Forms
======================= */
.form-control, 
.form-select {
    padding: 10px;
    border-radius: 5px;
    transition: all 0.2s ease-in-out;
}

.form-control:focus, 
.form-select:focus {
    box-shadow: 0 0 5px rgba(13, 110, 253, 0.5);
    border-color: #0d6efd;
}

/* =======================
   Buttons
======================= */
.btn {
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* =======================
   Tabs
======================= */
.nav-tabs .nav-link {
    border-radius: 6px 6px 0 0;
    transition: all 0.2s ease;
}

.nav-tabs .nav-link.active {
    background-color: #0d6efd;
    color: #fff !important;
    font-weight: 600;
}

/* =======================
   Login Page / Utility
======================= */
.bg-light {
    background-color: #f8f9fa !important;
}

.mt-6 {
    margin-top: 4rem !important;
}

.w-35 {
    width: 35% !important;
}

/* =======================
   Responsive Adjustments
======================= */
@media (max-width: 768px) {
    .card .card-title {
        font-size: 1.5rem;
    }

    .list-group-item {
        font-size: 0.9rem;
    }
}