@font-face {
    font-family: 'Poppins';
    src: url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: #f3f4f6;
}

.header {
    background: linear-gradient(45deg, #2563eb, #1e40af, #2563eb);
    background-size: 200% 200%;
    animation: gradientAnimation 8s ease infinite;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

footer {
    background: linear-gradient(to right, #1f2937, #111827);
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

.card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
}

.card img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

button, .tab-button, select, input[type="text"] {
    transition: background-color 0.3s ease, transform 0.2s ease;
}

button:hover, .tab-button:hover, select:hover, input[type="text"]:hover {
    transform: scale(1.05);
}

.sidebar {
    background: linear-gradient(to bottom, #2563eb, #1e40af);
}

.table-container {
    max-height: 400px;
    overflow-y: auto;
}

.table th, .table td {
    border: 1px solid #e5e7eb;
    padding: 12px;
    text-align: center;
}

.table img {
    object-fit: cover;
    width: 100%;
    height: 100%;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.modal-content {
    background: white;
    margin: 10% auto;
    padding: 20px;
    width: 80%;
    max-width: 500px;
    border-radius: 8px;
}

.tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-button {
    background: #e5e7eb;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}

.tab-button.active {
    background: #2563eb;
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}