body {
    font-family: 'Cairo', sans-serif;
    background-color: #f0f4f8;
}

.card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    padding: 24px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

.gain {
    color: #10B981;
    /* Green-500 */
    font-weight: 600;
}

.loss {
    color: #EF4444;
    /* Red-500 */
    font-weight: 600;
}

.btn-primary {
    background-color: #3b82f6;
    /* Blue-500 */
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-primary:hover {
    background-color: #2563eb;
    /* Blue-600 */
}

.btn-secondary {
    background-color: #6b7280;
    /* Gray-500 */
}

.btn-secondary:hover {
    background-color: #4b5563;
    /* Gray-600 */
}

.btn-danger {
    background-color: #ef4444;
    /* Red-500 */
}

.btn-danger:hover {
    background-color: #dc2626;
    /* Red-600 */
}

input[type="text"],
input[type="number"] {
    border: 1px solid #d1d5db;
    padding: 10px;
    border-radius: 8px;
    width: 100%;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
}

th {
    background-color: #f9fafb;
    /* Gray-50 */
}