/* ==============================
   General Styles
============================== */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f5f7fa; /* خلفية مريحة */
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#main-content {
    flex: 1 0 auto; /* يدفع الفوتر لأسفل */
    padding-top: 1rem;
}

/* ==============================
   Navbar Styles
============================== */
.navbar {
    background: linear-gradient(90deg, #1e3c72, #2a5298); /* تدرج أزرق عصري */
}

.navbar-brand {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff !important;
}

.navbar .nav-link {
    font-size: 1rem;
    margin-right: 0.5rem;
    color: #f8f9fa !important;
    transition: color 0.3s;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
    color: #ffd700 !important; /* أصفر جذاب */
}

.navbar .btn {
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
    color: #fff;
    border-color: #fff;
    transition: background-color 0.3s, color 0.3s;
}

.navbar .btn:hover {
    background-color: #fff;
    color: #2a5298;
}

/* Dropdown menu adjustments */
.dropdown-menu {
    min-width: 12rem;
    border-radius: 0.4rem;
    box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}

/* ==============================
   Hero / Page Heading
============================== */
.page-header {
    background: linear-gradient(to right, #2a5298, #1e3c72);
    color: #fff;
    padding: 3rem 1rem;
    text-align: center;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ==============================
   Cards (Menu Items)
============================== */
.card {
    border: none;
    border-radius: 0.6rem;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
    background-color: #fff;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.8rem 1.8rem rgba(0,0,0,0.15);
}

.card-img-top {
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid #dee2e6;
    transition: transform 0.3s;
}

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

.card-body .btn {
    transition: background-color 0.3s, transform 0.3s;
}

.card-body .btn:hover {
    background-color: #1e3c72;
    transform: translateY(-2px);
}

/* ==============================
   Sidebar / List Group (Categories)
============================== */
.list-group-item.active {
    background-color: #2a5298;
    border-color: #2a5298;
    color: #fff;
    font-weight: 600;
}

.list-group-item {
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s;
    border-radius: 0.4rem;
}

.list-group-item:hover {
    background-color: #e0e7ff;
    color: #2a5298;
}

/* ==============================
   Footer
============================== */
footer {
    background: linear-gradient(90deg, #1e3c72, #2a5298);
    color: #fff;
    padding: 2rem 0;
    text-align: center;
    margin-top: auto;
    width: 100%;
}

footer a {
    color: #ffd700;
    text-decoration: none;
    transition: color 0.3s;
}

footer a:hover {
    color: #fff;
}

/* ==============================
   Tables (Admin Panel)
============================== */
.table th, .table td {
    vertical-align: middle;
    text-align: center;
}

.table-hover tbody tr:hover {
    background-color: rgba(255, 215, 0, 0.08);
}

/* ==============================
   Responsive adjustments
============================== */
@media (max-width: 767px) {
    .card-img-top {
        height: 150px;
    }

    .navbar .nav-link {
        font-size: 0.95rem;
        margin-right: 0;
    }

    .navbar .btn {
        padding: 0.3rem 0.7rem;
    }
}

/* ==============================
   Buttons & general tweaks
============================== */
.btn-primary {
    background-color: #2a5298;
    border: none;
    transition: background-color 0.3s, transform 0.3s;
}

.btn-primary:hover {
    background-color: #1e3c72;
    transform: translateY(-2px);
}

.alert-info {
    border-radius: 0.5rem;
    background-color: #e0e7ff;
    color: #2a5298;
}

/* ==============================
   Misc spacing & shadows
============================== */
.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,0.075) !important;
}